Wednesday 29 August 2012

Solu-Cortef





1. Name Of The Medicinal Product



Solu-Cortef® 100 mg or Hydrocortisone sodium succinate for injection BP 100 mg.


2. Qualitative And Quantitative Composition



Hydrocortisone sodium succinate 133.7 mg equivalent to hydrocortisone 100.0 mg.



3. Pharmaceutical Form



White, freeze dried powder for parenteral use.



4. Clinical Particulars



4.1 Therapeutic Indications



Anti-inflammatory agent.



Solu-Cortef is indicated for any condition in which rapid and intense corticosteroid effect is required such as:



1. Endocrine disorders



Primary or secondary adrenocortical insufficiency



2. Collagen diseases



Systemic lupus erythematosus



3. Dermatological diseases



Severe erythema multiforme (Stevens-Johnson syndrome)



4. Allergic states



Bronchial asthma, anaphylactic reactions



5. Gastro-intestinal diseases



Ulcerative colitis, Crohn's disease



6. Respiratory diseases



Aspiration of gastric contents



7. Medical emergencies



Solu-Cortef is indicated in the treatment of shock secondary to adrenocortical insufficiency or shock unresponsive to conventional therapy when adrenocortical insufficiency may be present.



4.2 Posology And Method Of Administration



Solu-Cortef may be administered by intravenous injection, by intravenous infusion, or by intramuscular injection, the preferred method for initial emergency use being intravenous injection. Following the initial emergency period, consideration should be given to employing a longer-acting injectable preparation or an oral preparation.



Dosage usually ranges from 100 mg to 500 mg depending on the severity of the condition, administered by intravenous injection over a period of one to ten minutes. This dose may be repeated at intervals of 2, 4 or 6 hours as indicated by the patient's response and clinical condition.



In general high-dose corticosteroid therapy should be continued only until the patient's condition has stabilised - usually not beyond 48 to 72 hours. If hydrocortisone therapy must be continued beyond 48 to 72 hours hypernatraemia may occur, therefore it may be preferable to replace Solu-Cortef with a corticosteroid such as methylprednisolone sodium succinate as little or no sodium retention occurs. Although adverse effects associated with high dose, short-term corticoid therapy are uncommon, peptic ulceration may occur. Prophylactic antacid therapy may be indicated.



Patients subjected to severe stress following corticoid therapy should be observed closely for signs and symptoms of adrenocortical insufficiency.



Corticosteroid therapy is an adjunct to, and not a replacement for, conventional therapy.



Elderly patients: Solu-Cortef is primarily used in acute short-term conditions. There is no information to suggest that a change in dosage is warranted in the elderly. However, treatment of elderly patients should be planned bearing in mind the more serious consequences of the common side-effects of corticosteroids in old age and close clinical supervision is required (see Special warnings and special precautions for use).



Children: While the dose may be reduced for infants and children, it is governed more by the severity of the condition and response of the patient than by age or body weight but should not be less than 25 mg daily (see Special warnings and special precautions for use).



Preparation of solutions: For intravenous or intramuscular injection prepare the solution aseptically by adding not more than 2 ml of Sterile Water for Injections to the contents of one vial of Solu-Cortef 100 mg, shake and withdraw for use.



For intravenous infusion, first prepare the solution by adding not more than 2 ml of Sterile Water for Injections to the vial; this solution may then be added to 100 ml - 1000 ml (but not less than 100 ml) of 5% dextrose in water (or isotonic saline solution or 5% dextrose in isotonic saline solution if patient is not on sodium restriction).



When reconstituted as directed the pH of the solution will range from 7.0 to 8.0.



4.3 Contraindications



Solu-Cortef is contra-indicated where there is known hypersensitivity to components and in systemic fungal infection unless specific anti-infective therapy is employed.



Administration of live or live, attenuated vaccines is contraindicated in patients receiving immunosuppressive doses of corticosteroids.



4.4 Special Warnings And Precautions For Use



Warnings and Precautions:



1. A Patient Information Leaflet is provided in the pack by the manufacturer.



2. Undesirable effects may be minimised by using the lowest effective dose for the minimum period. Frequent patient review is required to appropriately titrate the dose against disease activity (see Posology and method of administration).



3. Adrenal cortical atrophy develops during prolonged therapy and may persist for months after stopping treatment. In patients who have received more than physiological doses of systemic corticosteroids (approximately 30 mg hydrocortisone) for greater than 3 weeks, withdrawal should not be abrupt. How dose reduction should be carried out depends largely on whether the disease is likely to relapse as the dose of systemic corticosteroids is reduced. Clinical assessment of disease activity may be needed during withdrawal. If the disease is unlikely to relapse on withdrawal of systemic corticosteroids, but there is uncertainty about HPA suppression, the dose of systemic corticosteroid may be reduced rapidly to physiological doses. Once a daily dose of 30 mg hydrocortisone is reached, dose reduction should be slower to allow the HPA-axis to recover.



Abrupt withdrawal of systemic corticosteroid treatment, which has continued up to 3 weeks is appropriate if it considered that the disease is unlikely to relapse. Abrupt withdrawal of doses up to 160 mg hydrocortisone for 3 weeks is unlikely to lead to clinically relevant HPA-axis suppression, in the majority of patients. In the following patient groups, gradual withdrawal of systemic corticosteroid therapy should be considered even after courses lasting 3 weeks or less:



• Patients who have had repeated courses of systemic corticosteroids, particularly if taken for greater than 3 weeks.



• When a short course has been prescribed within one year of cessation of long-term therapy (months or years).



• Patients who may have reasons for adrenocortical insufficiency other than exogenous corticosteroid therapy.



• Patients receiving doses of systemic corticosteroid greater than 160 mg hydrocortisone.



• Patients repeatedly taking doses in the evening.



4. Patients should carry 'Steroid Treatment' cards which give clear guidance on the precautions to be taken to minimise risk and which provide details of prescriber, drug, dosage and the duration of treatment.



5. Corticosteroids may mask some signs of infection, and new infections may appear during their use. Suppression of the inflammatory response and immune function increases the susceptibility to fungal, viral and bacterial infections and their severity. The clinical presentation may often be atypical and may reach an advanced stage before being recognised.



6. Chickenpox is of serious concern since this normally minor illness may be fatal in immunosuppressed patients. Patients (or parents of children) without a definite history of chickenpox should be advised to avoid close personal contact with chickenpox or herpes zoster and if exposed they should seek urgent medical attention. Passive immunization with varicella/zoster immunoglobin (VZIG) is needed by exposed non-immune patients who are receiving systemic corticosteroids or who have used them within the previous 3 months; this should be given within 10 days of exposure to chickenpox. If a diagnosis of chickenpox is confirmed, the illness warrants specialist care and urgent treatment. Corticosteroids should not be stopped and the dose may need to be increased.



7. Exposure to measles should be avoided. Medical advice should be sought immediately if exposure occurs. Prophylaxis with normal intramuscular immuneglobulin may be needed.



8. Live vaccines should not be given to individuals with impaired immune responsiveness. The antibody response to other vaccines may be diminished.



9 The use of Solu-Cortef in active tuberculosis should be restricted to those cases of fulminating or disseminated tuberculosis in which the corticosteroid is used for the management of the disease in conjunction with appropriate antituberculosis regimen. If corticosteroids are indicated in patients with latent tuberculosis or tuberculin reactivity, close observation is necessary as reactivation of the disease may occur. During prolonged corticosteroid therapy, these patients should receive chemoprophylaxis.



10. Rarely anaphylactoid reactions have been reported following parenteral Solu-Cortef therapy. Physicians using the drug should be prepared to deal with such a possibility. Appropriate precautionary measures should be taken prior to administration, especially when the patient has a history of drug allergy.



11. Care should be taken for patients receiving cardioactive drugs such as digoxin because of steroid induced electrolyte disturbance/potassium loss (see Undesirable effects).



Special precautions:



Particular care is required when considering the use of systemic corticosteroids in patients with the following conditions and frequent patient monitoring is necessary.



1. Osteoporosis (post-menopausal females are particularly at risk).



2. Hypertension or congestive heart failure.



3. Existing or previous history of severe affective disorders (especially previous steroid psychosis).



4. Diabetes mellitus (or a family history of diabetes).



5. History of tuberculosis.



6. Glaucoma (or a family history of glaucoma).



7. Previous corticosteroid-induced myopathy.



8. Liver failure or cirrhosis.



9. Renal insufficiency.



10. Epilepsy.



11. Peptic ulceration.



12. Fresh intestinal anastomoses.



13. Predisposition to thrombophlebitis.



14. Abscess or other pyogenic infections.



15. Ulcerative colitis.



16. Diverticulitis.



17. Myasthenia gravis.



18. Ocular herpes simplex, for fear of corneal perforation.



19. Hypothyroidism.



20. Recent myocardial infarction (myocardial rupture has been reported).



21. Kaposi's sarcoma has been reported to occur in patients receiving corticosteroid therapy. Discontinuation of corticosteroids may result in clinical remission.



22. Hydrocortisone can cause elevation of blood pressure, salt and water retention and increased excretion of potassium. Dietary salt restriction and potassium supplementation may be necessary. All corticosteroids increase calcium excretion.



23. Patients and/or carers should be warned that potentially severe psychiatric adverse reactions may occur with systemic steroids (see section 4.8). Symptoms typically emerge within a few days or weeks of starting treatment. Risks may be higher with high doses/systemic exposure (see also section 4.5 Interaction with Other Medicaments and Other Forms of Interaction that can increase the risk of side effects), although dose levels do not allow prediction of the onset, type, severity or duration of reactions. Most reactions recover after either dose reduction or withdrawal, although specific treatment may be necessary. Patients/carers should be encouraged to seek medical advice if worrying psychological symptoms develop, especially if depressed mood or suicidal ideation is suspected. Patients/carers should be alert to possible psychiatric disturbances that may occur either during or immediately after dose tapering/withdrawal of systemic steroids, although such reactions have been reported infrequently.



Particular care is required when considering the use of systemic corticosteroids in patients with existing or previous history of severe affective disorders in themselves or in their first degree relatives. These would include depressive or manic-depressive illness and previous steroid psychosis.



Use in children: Corticosteroids cause growth retardation in infancy, childhood and adolescence, which may be irreversible. Treatment should be limited to the minimum dosage for the shortest possible time. The use of steroids should be restricted to the most serious indications.



Use in the elderly: The common adverse effects of systemic corticosteroids may be associated with more serious consequences in old age, especially osteoporosis, hypertension, hypokalaemia, diabetes, susceptibility to infection and thinning of the skin. Close clinical supervision is required to avoid life-threatening reactions.



"Corticosteroids should not be used for the management of head injury or stroke because it is unlikely to be of benefit and may even be harmful."



4.5 Interaction With Other Medicinal Products And Other Forms Of Interaction



1. Convulsions have been reported with concurrent use of corticosteroids and cyclosporin. Since concurrent administration of these agents results in a mutual inhibition of metabolism, it is possible that convulsions and other adverse effects associated with the individual use of either drug may be more apt to occur.



2. Drugs that induce hepatic enzymes, such as rifampicin, rifabutin, carbamazepine, phenobarbitone, phenytoin, primidone, and aminoglutethimide enhance the metabolism of corticosteroids and its therapeutic effects may be reduced.



3. Drugs which inhibit the CYP3A4 enzyme, such as cimetidine, erythromycin, ketoconazole, itraconazole, diltiazem and mibefradil, may decrease the rate of metabolism of corticosteroids and hence increase the serum concentration.



4. Steroids may reduce the effects of anticholinesterases in myasthenia gravis. The desired effects of hypoglycaemic agents (including insulin), anti-hypertensives and diuretics are antagonised by corticosteroids, and the hypokalaemic effects of acetazolamide, loop diuretics, thiazide diuretics and carbenoxolone are enhanced.



5. The efficacy of coumarin anticoagulants may be enhanced by concurrent corticosteroid therapy and close monitoring of the INR or prothrombin time is required to avoid spontaneous bleeding.



6. The renal clearance of salicylates is increased by corticosteroids and steroid withdrawal may result in salicylate intoxication. Salicylates and non-steroidal anti-inflammatory agents should be used cautiously in conjunction with corticosteroids in hypothrombinaemia.



7. Steroids have been reported to interact with neuromuscular blocking agents such as pancuronium with partial reversal of the neuromuscular block.



4.6 Pregnancy And Lactation



Pregnancy



The ability of corticosteroids to cross the placenta varies between individual drugs, however, hydrocortisone readily crosses the placenta.



Administration of corticosteroids to pregnant animals can cause abnormalities of foetal development including cleft palate, intra-uterine growth retardation and affects on brain growth and development. There is no evidence that corticosteroids result in an increased incidence of congenital abnormalities, such as cleft palate in man, however, when administered for long periods or repeatedly during pregnancy, corticosteroids may increase the risk of intra-uterine growth retardation. Hypoadrenalism may, in theory , occur in the neonate following prenatal exposure to corticosteroids but usually resolves spontaneously following birth and is rarely clinically important. As with all drugs, corticosteroids should only be prescribed when the benefits to the mother and child outweigh the risks. When corticosteroids are essential, however, patients with normal pregnancies may be treated as though they were in the non-gravid state.



Lactation



Corticosteroids are excreted in breast milk, although no data are available for hydrocortisone. Doses up to 160 mg daily of hydrocortisone are unlikely to cause systemic effects in the infant. Infants of mothers taking higher doses than this may have a degree of adrenal suppression, but the benefits of breastfeeding are likely to outweigh any theoretical risk.



4.7 Effects On Ability To Drive And Use Machines



None stated.



4.8 Undesirable Effects



Since Solu-Cortef is normally employed on a short-term basis it is unlikely that side-effects will occur; however, the possibility of side-effects attributable to corticosteroid therapy should be recognised (see Special warnings and special precautions for use). Such side-effects include:



PARENTERAL CORTICOSTEROID THERAPY - Anaphylactoid reaction e.g. bronchospasm, hypopigmentation or hyperpigmentation, subcutaneous and cutaneous atrophy, sterile abscess, laryngeal oedema and urticaria.



GASTRO-INTESTINAL - Dyspepsia, peptic ulceration with perforation and haemorrhage, abdominal distension, oesophageal ulceration, oesophageal candidiasis, acute pancreatitis, perforation of bowel, gastric haemorrhage.



Increases in alanine transaminase (ALT, SGPT) aspartate transaminase (AST, SGOT) and alkaline phosphatase have been observed following corticosteroid treatment. These changes are usually small, not associated with any clinical syndrome and are reversible upon discontinuation.



ANTI-INFLAMMATORY AND IMMUNOSUPPRESSIVE EFFECTS - Increased susceptibility and severity of infections with suppression of clinical symptoms and signs, opportunistic infections, may suppress reactions to skin tests, recurrence of dormant tuberculosis (see Special warnings and special precautions for use).



MUSCULOSKELETAL - Proximal myopathy, osteoporosis, vertebral and long bone fractures, avascular osteonecrosis, tendon rupture, aseptic necrosis, muscle weakness.



FLUID AND ELECTROLYTE DISTURBANCE - Sodium and water retention, potassium loss, hypertension, hypokalaemic alkalosis, congestive heart failure in susceptible patients.



DERMATOLOGICAL - Impaired healing, petechiae and ecchymosis, skin atrophy, bruising, striae, increased sweating, telangiectasia, acne. Kaposi's sarcoma has been reported to occur in patients receiving corticosteroid therapy. Discontinuation of corticosteroids may result in clinical remission.



ENDOCRINE/METABOLIC - Suppression of the hypothalamo-pituitary-adrenal axis; growth suppression in infancy, childhood and adolescence; menstrual irregularity and amenorrhoea, Cushingoid facies, hirsutism, weight gain, impaired carbohydrate tolerance with increased requirement for antidiabetic therapy, negative nitrogen and calcium balance. Increased appetite.



NEUROPSYCHIATRIC - A wide range of psychiatric reactions including affective disorders (such as irritable, euphoric, depressed and labile mood psychological dependence and suicidal thoughts), psychotic reactions (including mania, delusions, hallucinations and aggravation of schizophrenia), behavioural disturbances, irritability, anxiety, sleep disturbances, seizures and cognitive dysfunction including confusion and amnesia have been reported for all corticosteroids. Reactions are common and may occur in both adults and children. In adults, the frequency of severe reactions was estimated to be 5-6%. Psychological effects have been reported on withdrawal of corticosteroids; the frequency is unknown. Increased intra-cranial pressure with papilloedema in children (pseudotumour cerebri) has been reported, usually after treatment withdrawal of hydrocortisone.



OPHTHALMIC - Increased intra-ocular pressure, glaucoma, papilloedema with possible damage to the optic nerve, cataracts, corneal or scleral thinning, exacerbation of ophthalmic viral or fungal disease, exophthalmos.



CARDIOVASCULAR – Myocardial rupture following a myocardial infarction.



GENERAL - Leucocytosis, hypersensitivity reactions including anaphylaxis, thrombo-embolism, nausea, malaise, persistent hiccups with high doses of corticosteroids.



WITHDRAWAL SYMPTOMS - Too rapid a reduction of corticosteroid dosage following prolonged treatment can lead to acute adrenal insufficiency, hypotension and death. However, this is more applicable to corticosteroids with an indication where continuous therapy is given (see Special warnings and special precautions for use).



A 'withdrawal syndrome' may also occur including, fever, myalgia, arthralgia, rhinitis, conjunctivitis, painful itchy skin nodules and loss of weight.



4.9 Overdose



There is no clinical syndrome of acute overdosage with Solu-Cortef. Hydrocortisone is dialysable.



5. Pharmacological Properties



5.1 Pharmacodynamic Properties



Hydrocortisone sodium succinate has the same metabolic and anti-inflammatory actions as hydrocortisone. It is a glucocorticosteroid. Used in pharmacological doses, its actions supress the clinical manifestations of disease in a wide range of disorders.



5.2 Pharmacokinetic Properties



Twelve normal subjects received 100, 200 or 400 mg Solu-Cortef intravenously. Radio-immunoassay results were as follows:-




















DOSE (mg)




CMAX (mcg/100 ml)




TMAX (hr)




12-HR AUC (mG/100 ml x hr)




100




132.3




0.35




418.0




200




231.8




0.25




680.0




400




629.8




0.37




1024.0



In another study, a 1 mg/kg i.m. dose of Solu-Cortef peaked in 30-60 minutes, with a plasma cmax of 80 mg/100 ml.



In analysing hydrocortisone metabolism, a 25 mg IV dose resulted in higher plasma concentrations in females than in males.



6. Pharmaceutical Particulars



6.1 List Of Excipients



Sodium biphosphate, sodium phosphate.



6.2 Incompatibilities



None stated.



6.3 Shelf Life



Shelf-life of the medicinal product as packaged for sale: 60 months.



After reconstitution with Sterile Water for Injections, use immediately, discard any remainder.



6.4 Special Precautions For Storage



Store below 25°C.



Refer to Section 4.2 Dosage and Administration. No diluents other than those referred to are recommended. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration.



6.5 Nature And Contents Of Container



Type I flint glass vials with a butyl rubber plug and metal seal. Each vial of Solu-Cortef 100 mg contains the equivalent of 100 mg hydrocortisone as the sodium succinate for reconstitution with 2 ml of Sterile Water for Injections.



6.6 Special Precautions For Disposal And Other Handling



No special requirements.



7. Marketing Authorisation Holder



Pharmacia Limited



Ramsgate Road



Sandwich



Kent



CT13 9NJ



UK



8. Marketing Authorisation Number(S)



PL 0032/5019



9. Date Of First Authorisation/Renewal Of The Authorisation



PL 0032/5019 date of first authorisation: 18 May 1990



Last renewal date: 15 March 2005



10. Date Of Revision Of The Text



3rd April 2008



Legal category


POM



Ref: SC 3_0 UK




Sunday 26 August 2012

sodium oxybate


Generic Name: sodium oxybate (SO dee um OX i bate)

Brand Names: Xyrem


What is sodium oxybate?

Sodium oxybate is a central nervous system depressant. It is used to treat cataplexy (sudden loss of muscle strength) and reduce daytime sleepiness in patients with narcolepsy.


Sodium oxybate may also be used for purposes not listed in this medication guide.


What is the most important information I should know about sodium oxybate?


It is dangerous to try and purchase sodium oxybate on the Internet or from vendors outside of the United States. The sale and distribution of sodium oxybate outside of the U.S. does not comply with the regulations of the Food and Drug Administration (FDA) for the safe use of this medication.


Sodium oxybate is also known as GHB, a known street drug of abuse. Because of the potential for abuse and the serious side effects that may occur, sodium oxybate is available only through a special program. Your doctor will explain the risks and benefits of using sodium oxybate, and the medication will be delivered to you from a central pharmacy.


Sodium oxybate may be habit-forming and should be used only by the person it was prescribed for. Keep the medication in a secure place where others cannot get to it.

Never take more than your prescribed dose of sodium oxybate. Tell your doctor if the medicine seems to stop working as well.


Sodium oxybate will cause drowsiness and must be taken while you are in bed. Do not drive, operate machinery, or perform other hazardous activities for at least 6 hours after taking sodium oxybate. You may still feel sleepy the morning after taking the medication. Use caution when driving or doing anything else that requires you to be alert and awake.

Sodium oxybate must be taken at bedtime and again two and a half to four hours later. This medicine works very fast and should be taken while you are sitting in bed ready for sleep. Prepare both doses while you are getting ready for bed, so that you will not have to get up to prepare the second dose. Place the second dose next to your bed so you can take it without getting up. You will most likely need to set an alarm to awaken for the second dose.


Do not take other medicines that make you sleepy (such as alcohol, cold medicine, pain medication, muscle relaxants, and medicine for depression or anxiety).

What should I discuss with my healthcare provider before taking sodium oxybate?


It is dangerous to try and purchase sodium oxybate on the Internet or from vendors outside of the United States. The sale and distribution of sodium oxybate outside of the U.S. does not comply with the regulations of the Food and Drug Administration (FDA) for the safe use of this medication.


Do not take sodium oxybate if you:

  • are taking another medication that causes drowsiness; or




  • have a rare metabolic disorder called succinic semialdehyde dehydrogenase deficiency.



To make sure you can safely take sodium oxybate, tell your doctor if you have any of these other conditions:


  • liver disease;


  • heart disease, high blood pressure, or kidney disease;




  • a history of alcohol or drug abuse;




  • a lung disorder such as asthma, emphysema, or bronchitis;




  • sleep apnea (breathing stops during sleep);




  • depression or suicidal thoughts; or




  • mental illness such as bipolar disorder or schizophrenia.




Sodium oxybate may be habit forming and should be used only by the person it was prescribed for. Never share sodium oxybate with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it. FDA pregnancy category B. Sodium oxybate is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether sodium oxybate passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take sodium oxybate?


Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.


Never take more than your prescribed dose of sodium oxybate. Tell your doctor if the medicine seems to stop working as well in relieving your pain.

This medication comes with patient instructions for safe and effective use. Follow these directions carefully. Do not allow anyone else to use your medication.


Take sodium oxybate on an empty stomach several hours after a meal. It is important to take sodium oxybate at the same time each night.

Sodium oxybate must be taken at bedtime and again two and a half to four hours later. This medicine works very fast and should be taken while you are sitting in bed ready for sleep. Prepare both doses while you are getting ready for bed, so that you will not have to get up to prepare the second dose. Place the second dose next to your bed so you can take it without getting up. You will most likely need to set an alarm to awaken for the second dose.


Each dose of sodium oxybate must be mixed with two ounces (one quarter cup) of water in the child-resistant dosing cups provided with the medication. Both doses must be used within the same night. Throw away any sodium oxybate dose that has been mixed with water but not used within 24 hours of mixing.


You may need to be on a low-salt diet while you are using sodium oxybate, especially if you have high blood pressure, kidney disease, or heart disease.


Sodium oxybate is also known as GHB, a known street drug of abuse. Because of the potential for abuse and the serious side effects that may occur, sodium oxybate is available only through a special program. Your doctor will explain the risks and benefits of using sodium oxybate, and the medication will be delivered to you from a central pharmacy.


Your doctor will need to check your progress on a regular basis. Do not miss any scheduled appointments.


Do not stop using sodium oxybate suddenly, or you could have unpleasant withdrawal symptoms. Ask your doctor how to avoid withdrawal symptoms when you stop using sodium oxybate. Store at room temperature away from moisture and heat. Keep track of the amount of medicine used from each new bottle. Sodium oxybate is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.

After you have stopped using sodium oxybate, flush any unused medicine down the toilet.


See also: Sodium oxybate dosage (in more detail)

What happens if I miss a dose?


Take the missed dose as soon as you remember, but only at bedtime or during your normal sleeping hours. Do not take extra medicine to make up the missed dose.


What happens if I overdose?


Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include extreme sleepiness or confusion, fainting, vomiting, sweating, difficulty breathing, muscle weakness, slow heartbeat, or seizure (convulsions).


What should I avoid while taking sodium oxybate?


Sodium oxybate must not be taken with other drugs that are used for sleep or sedation.


Drinking alcohol can increase drowsiness and dizziness caused by sodium oxybate. Sodium oxybate may impair your thinking or reactions. Do not drive, operate machinery, or perform other hazardous activities for at least 6 hours after taking sodium oxybate. You may still feel sleepy the morning after taking the medication. Use caution when driving or doing anything else that requires you to be alert and awake.

Sodium oxybate side effects


Stop using sodium oxybate and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using sodium oxybate and call your doctor at once if you have any of these serious side effects:

  • hallucinations or severe confusion;




  • shallow breathing;




  • sleepwalking; or




  • waking and confused behavior at night.



Less serious side effects may include:



  • agitation or paranoia;




  • problems with bladder or bowel control;




  • depression;




  • nausea, vomiting, loss of appetite;




  • runny or stuffy nose and sore throat;




  • numbness or tingling;




  • tremors (uncontrolled shaking); or




  • blurred vision.



This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


Sodium oxybate Dosing Information


Usual Adult Dose for Narcolepsy:

Initial: 4.5 grams orally per day, divided into equal 2.25 gram doses, which are administered twice daily, 2.5 to 4 hours apart.

Maintenance: 6 to 9 grams orally each day (in patients with normal hepatic function), administered in 2 equally divided doses, 2.5 to 4 hours apart. Patients with decreased hepatic function may respond to lower maintenance doses, e.g. 4.5 grams per day.

When a higher maintenance dose is necessary, the dose should be increased by increments of 1.5 grams per day (0.75 grams per dose), at intervals no more frequently than once every 2 weeks.

Doses greater than 9 grams per day are not recommended.

Both doses for the day should be prepared at bedtime prior to ingesting any sodium oxybate. This is accomplished by diluting the sodium oxybate oral solution with 2 ounces (60 mL, 1/4 cup, or 4 tablespoonfuls) of water in the child resistant dosing cups. Each prepared dose of medication should be placed in a location that allows the patient to retrieve and administer the drug while remaining seated in bed. The patient may need to use an alarm clock to awaken for the second dose. After receiving each dose, the patient should lie down and remain in bed.


What other drugs will affect sodium oxybate?


Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to sleepiness caused by sodium oxybate. Tell your doctor if you regularly use any of these medicines.

This list is not complete and other drugs may interact with sodium oxybate. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.



More sodium oxybate resources


  • Sodium oxybate Side Effects (in more detail)
  • Sodium oxybate Dosage
  • Sodium oxybate Use in Pregnancy & Breastfeeding
  • Sodium oxybate Drug Interactions
  • Sodium oxybate Support Group
  • 28 Reviews for Sodium oxybate - Add your own review/rating


  • sodium oxybate Advanced Consumer (Micromedex) - Includes Dosage Information

  • Sodium Oxybate Professional Patient Advice (Wolters Kluwer)

  • Sodium Oxybate Monograph (AHFS DI)

  • Xyrem Prescribing Information (FDA)

  • Xyrem Consumer Overview



Compare sodium oxybate with other medications


  • Cataplexy
  • Fibromyalgia
  • Narcolepsy


Where can I get more information?


  • Your pharmacist can provide more information about sodium oxybate.

See also: sodium oxybate side effects (in more detail)


Saturday 25 August 2012

Isoflurane




In some countries, this medicine may only be approved for veterinary use.


In the US, Isoflurane (isoflurane systemic) is a member of the drug class general anesthetics and is used to treat Anesthesia.

US matches:

  • Isoflurane

UK matches:

  • Isoflurane inhalation anaesthetic

Scheme

Rec.INN

ATC (Anatomical Therapeutic Chemical Classification)

N01AB06

CAS registry number (Chemical Abstracts Service)

0026675-46-7

Chemical Formula

C3-H2-Cl-F5-O

Molecular Weight

184

Therapeutic Category

Anesthetic, inhalation

Chemical Name

Ethane, 2-chloro-2-(difluoromethoxy)-1,1,1-trifluoro-

Foreign Names

  • Isofluranum (Latin)
  • Isofluran (German)
  • Isoflurane (French)
  • Isoflurano (Spanish)

Generic Names

  • Isoflurane (OS: BAN, USAN, DCF, JAN)
  • Isoflurano (OS: DCIT)
  • Compound 469 (IS)
  • Isoflurane (PH: BP 2010, USP 32, Ph. Eur. 6)
  • Isofluranum (PH: Ph. Eur. 6)

Brand Names

  • Aerrane
    Baxter, Australia; Baxter, Bulgaria; Baxter, Bahrain; Baxter, Czech Republic; Baxter, Estonia; Baxter, Spain; Baxter, France; Baxter, Hungary; Baxter, Israel; Baxter, Luxembourg; Baxter, New Zealand; Baxter, Oman; Baxter, Philippines; Baxter, Poland; Baxter, Portugal; Baxter, Tunisia; Baxter, Vietnam; Baxter-RM, Italy; Eczacibasi Baxter, Turkey; Kalbe, Indonesia


  • Aerrane (veterinary use)
    Baxter Healthcare, United States


  • Attane (veterinary use)
    Bomac, New Zealand; Bomac Animal Health, Australia; Provet, Switzerland


  • Delvet Isoflurane (veterinary use)
    Delvet, Australia


  • Escain
    Mylan Pharmaceutical, Japan


  • Floran
    Hikma, United Arab Emirates; Hikma, Bahrain; Hikma, Egypt; Hikma, Iraq; Hikma, Jordan; Hikma, Kuwait; Hikma, Lebanon; Hikma, Libya; Hikma, Oman; Hikma, Qatar; Hikma, Saudi Arabia; Hikma, Sudan; Hikma, Syria; Hikma, Tunisia; Hikma, Yemen


  • Forane
    Abbott, Austria; Abbott, Bosnia & Herzegowina; Abbott, Bulgaria; Abbott, Brazil; Abbott, China; Abbott, Czech Republic; Abbott, Estonia; Abbott, Spain; Abbott, Hong Kong; Abbott, Croatia (Hrvatska); Abbott, Hungary; Abbott, Israel; Abbott, Italy; Abbott, Japan; Abbott, Sri Lanka; Abbott, Lithuania; Abbott, Latvia; Abbott, Oman; Abbott, Peru; Abbott, Philippines; Abbott, Poland; Abbott, Romania; Abbott, Serbia; Abbott, Singapore; Abbott, Slovenia; Abbott, Slovakia; Abbott, Thailand; Abbott, Turkey; Abbott, Taiwan; Abbott, South Africa; Baxter, Canada; Baxter, United States; Unimed & Unihealth, Bangladesh


  • Forene
    Abbott, Belgium; Abbott, Switzerland; Abbott, Chile; Abbott, Germany; Abbott, Denmark; Abbott, France; Abbott, Iceland; Abbott, Luxembourg; Abbott, Latvia; Abbott, Norway; Abbott, Sweden; Abbott, Tunisia; Abbott, Venezuela


  • Forenium
    Abbott, Greece


  • Forthane
    Abbott, Australia; Abbott, New Zealand


  • I.S.O. Inhalation Anaesthetic (veterinary use)
    Veterinary Companies of Australia, Australia


  • Isoba (veterinary use)
    Essex, Austria; Essex Tierarzneimittel, Germany; Schering-Plough, Luxembourg; Schering-Plough, Sweden; Schering-Plough Animal, Norway; Schering-Plough Animal Health, Belgium; Schering-Plough Vet, Italy; Schering-Plough Vet, Netherlands; Vetcare, Finland


  • Isofane (veterinary use)
    Vericor, United Kingdom


  • Isoflo (veterinary use)
    Abbott, United States; Abbott Animal, Portugal; Abbott Animal Health, Netherlands; Abbott Lab., Luxembourg; Abbott Vet, Switzerland; Advanced Anaesthesia Specialists, Australia; Albrecht, Germany; Botéba, Netherlands; Esteve Veterinaria, Italy; Orion, Finland; Schering-Plough, Sweden; Schering-Plough Veterinary, United Kingdom


  • Isofludem
    Dem Ilaç, Turkey


  • Isofluorano
    Behrens, Venezuela


  • Isofluran Baxter
    Baxter, Austria; Baxter, Switzerland; Baxter, Germany; Baxter, Denmark; Baxter, Finland; Baxter, Sweden


  • Isofluran Baxter (veterinary use)
    Baxter Vet, Switzerland


  • Isofluran DeltaSelect
    DeltaSelect, Germany


  • Isofluran Nicholas Piramal
    Nicholas Piramal, Czech Republic; Torrex Chiesi, Austria


  • Isofluran Rhodia
    Rhodia, Czech Republic; Rhodia, Slovakia; Shasun, Bangladesh


  • Isofluran
    Baxter, Norway; Nicholas, Serbia; Torrex, Slovenia


  • Isofluran (veterinary use)
    CP-Pharma, Germany


  • Isoflurane Bélamont
    CSP, France


  • Isoflurane Dexa Medica
    Dexa Medica, Indonesia


  • Isoflurane Halocarbon
    Halocarbon, Bulgaria


  • Isoflurane Rhodia
    Rhodia, Israel


  • Isoflurane Torrex
    Providens, Croatia (Hrvatska)


  • Isoflurane Vet (veterinary use)
    Merial Ancare, New Zealand


  • Isoflurane
    Abbott, Canada; Abbott, United Kingdom; Abbott, Malta; Adeka, Turkey; Halocarbon, United States; Hospira, United States; Marsam, United States; Minrad, Israel; Minrad, United States; PSM, New Zealand; Rhodia, Romania; Rhodia, United States; Taymed, Turkey


  • Isoflurane (veterinary use)
    Halocarbon, United States; Marsam, United States; Merial, United Kingdom; Merial, Italy; Minrad, United States; Nicholas, United States


  • Isoflurane-Medeva Europe
    Medeva, Luxembourg


  • Isoflurano Baxter
    Baxter, Argentina


  • Isoflurano Inibsa
    Inibsa, Spain


  • Isoflurano
    Bestpharma, Chile; Neopharma, Venezuela; Pharmaceutical, Venezuela; Scott, Argentina


  • Laser Animal Health Isoflurane (veterinary use)
    Pharmachem, Australia


  • Terrell
    Fahrenheit, Indonesia; Minrad, Bulgaria


  • Vetflurane (veterinary use)
    Virbac, United Kingdom


  • Zuflax
    Richmond, Argentina

International Drug Name Search

Glossary

BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.

Thursday 23 August 2012

Nupercainal HC



Generic Name: hydrocortisone (Topical application route)

hye-droe-KOR-ti-sone

Commonly used brand name(s)

In the U.S.


  • Ala-Cort

  • Ala-Scalp HP

  • Anusol HC

  • Aquanil HC

  • Beta HC

  • Caldecort

  • Cetacort

  • Corta-Cap

  • Cortagel Extra Strength

  • Cortaid

  • CortAlo With Aloe

  • Corticaine

  • Corticool Maximum Strength

  • Cortizone-10

  • Cortizone-5

  • Cotacort

  • Delacort

  • Dermarest

  • Dermtex-HC

  • Foille Cort

  • Gly-Cort

  • Hydrozone Plus

  • Hytone

  • Instacort-10

  • Ivy Soothe

  • IvyStat

  • Keratol HC

  • Kericort 10

  • Lacticare-HC

  • Locoid

  • Locoid Lipocream

  • Medi-Cortisone Maximum Strength

  • Microcort

  • Mycin Scalp

  • Neutrogena T/Scalp

  • NuCort

  • Nupercainal HC

  • Nutracort

  • Pandel

  • Pediaderm HC Kit

  • Preparation H Hydrocortisone

  • Proctocream-HC

  • Recort Plus

  • Sarnol-HC Maximum Strength

  • Scalacort

  • Scalpcort

  • Summer's Eve Specialcare

  • Texacort

  • Therasoft Anti-Itch & Dermatitis

  • U-Cort

  • Westcort

In Canada


  • Barriere-Hc

  • Cortate

  • Cort-Eze

  • Cortoderm Mild Ointment

  • Cortoderm Regular Ointment

  • Emo-Cort

  • Emo-Cort Scalp Solution

  • Hydrocortisone Cream

  • Novo-Hydrocort

  • Novo-Hydrocort Cream

  • Prevex Hc

  • Sarna Hc

Available Dosage Forms:


  • Solution

  • Cream

  • Spray

  • Lotion

  • Ointment

  • Pad

  • Liquid

  • Gel/Jelly

  • Kit

  • Foam

  • Stick

  • Paste

Therapeutic Class: Corticosteroid, Weak


Pharmacologic Class: Adrenal Glucocorticoid


Uses For Nupercainal HC


Hydrocortisone topical is used to help relieve redness, itching, swelling, or other discomfort caused by skin conditions. This medicine is a corticosteroid (cortisone-like medicine or steroid).


This medicine is available both over-the-counter (OTC) and with your doctor's prescription.


Before Using Nupercainal HC


In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:


Allergies


Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Pediatric


Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of hydrocortisone topical in the pediatric population. However, because of this medicine's toxicity, it should be used with caution. Children may absorb large amounts through the skin, which can cause serious side effects. If your child is using this medicine, follow your doctor's instructions very carefully.


Geriatric


No information is available on the relationship of age to the effects of hydrocortisone topical in geriatric patients.


Interactions with Medicines


Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.


Interactions with Food/Tobacco/Alcohol


Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.


Other Medical Problems


The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:


  • Cushing's syndrome (adrenal gland disorder) or

  • Diabetes or

  • Hyperglycemia (high blood sugar) or

  • Intracranial hypertension (increased pressure in the head)—Use with caution. May make these conditions worse.

  • Infection of the skin at or near the place of application or

  • Large sores, broken skin, or severe skin injury at the place of application—The chance of side effects may be increased.

Proper Use of hydrocortisone

This section provides information on the proper use of a number of products that contain hydrocortisone. It may not be specific to Nupercainal HC. Please read with care.


It is very important that you use this medicine only as directed by your doctor. Do not use more of it, do not use it more often, and do not use it for a longer time than your doctor ordered. To do so may cause unwanted side effects or skin irritation.


This medicine is for use on the skin only. Do not get it in your eyes. Do not use it on skin areas that have cuts, scrapes, or burns. If it does get on these areas, rinse it off right away with water.


This medicine should only be used for skin conditions that your doctor is treating. Check with your doctor before using it for other conditions, especially if you think that a skin infection may be present. This medicine should not be used to treat certain kinds of skin infections or conditions, such as severe burns.


To use:


  • Wash your hands with soap and water before and after using this medicine.

  • Apply a thin layer of this medicine to the affected area of the skin. Rub it in gently.

  • With the lotion, shake it well before using.

  • Do not bandage or otherwise wrap the skin being treated unless directed to do so by your doctor.

  • If the medicine is applied to the diaper area of an infant, do not use tight-fitting diapers or plastic pants unless directed to do so by your doctor.

  • If your doctor ordered an occlusive dressing or airtight covering to be applied over the medicine, make sure you know how to apply it. Occlusive dressings increase the amount of medicine absorbed through your skin, so use them only as directed. If you have any questions about this, check with your doctor.

Dosing


The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.


The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.


  • For redness, itching, and swelling of the skin:
    • For topical dosage form (cream):
      • Adults—Apply to the affected area of the skin two or three times per day.

      • Children—Apply to the affected area of the skin two or three times per day.


    • For topical dosage form (lotion):
      • Adults—Apply to the affected area of the skin two to four times per day.

      • Children—Apply to the affected area of the skin two to four times per day.


    • For topical dosage form (ointment):
      • Adults—Apply to the affected area of the skin three or four times per day.

      • Children—Apply to the affected area of the skin three or four times per day.


    • For topical dosage form (solution):
      • Adults—Apply to the affected area of the skin three or four times per day.

      • Children—Apply to the affected area of the skin three or four times per day.



Missed Dose


If you miss a dose of this medicine, apply it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.


Storage


Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.


Keep out of the reach of children.


Do not keep outdated medicine or medicine no longer needed.


Ask your healthcare professional how you should dispose of any medicine you do not use.


Precautions While Using Nupercainal HC


It is very important that your doctor check your or your child's progress at regular visits for any unwanted effects that may be caused by this medicine.


If your or your child's symptoms do not improve within a few days, or if they become worse, check with your doctor.


Using too much of this medicine or using it for a long time may increase your risk of having adrenal gland problems. The risk is greater for children and patients who use large amounts for a long time. Talk to your doctor right away if you or your child have more than one of these symptoms while you are using this medicine: blurred vision; dizziness or fainting; a fast, irregular, or pounding heartbeat; increased thirst or urination; irritability; or unusual tiredness or weakness.


Stop using this medicine and check with your doctor right away if you or your child have a skin rash, burning, stinging, swelling, or irritation on the skin.


Do not use cosmetics or other skin care products on the treated areas.


Nupercainal HC Side Effects


Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.


Check with your doctor immediately if any of the following side effects occur:


Incidence not known
  • Blistering, burning, crusting, dryness, or flaking of the skin

  • irritation

  • itching, scaling, severe redness, soreness, or swelling of the skin

  • redness and scaling around the mouth

  • thinning of the skin with easy bruising, especially when used on the face or where the skin folds together (e.g. between the fingers)

  • thinning, weakness, or wasting away of the skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:


Incidence not known
  • Acne or pimples

  • burning and itching of the skin with pinhead-sized red blisters

  • burning, itching, and pain in hairy areas, or pus at the root of the hair

  • increased hair growth on the forehead, back, arms, and legs

  • lightening of normal skin color

  • lightening of treated areas of dark skin

  • reddish purple lines on the arms, face, legs, trunk, or groin

  • softening of the skin

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.


Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.



The information contained in the Thomson Reuters Micromedex products as delivered by Drugs.com is intended as an educational aid only. It is not intended as medical advice for individual conditions or treatment. It is not a substitute for a medical exam, nor does it replace the need for services provided by medical professionals. Talk to your doctor, nurse or pharmacist before taking any prescription or over the counter drugs (including any herbal medicines or supplements) or following any treatment or regimen. Only your doctor, nurse, or pharmacist can provide you with advice on what is safe and effective for you.


The use of the Thomson Reuters Healthcare products is at your sole risk. These products are provided "AS IS" and "as available" for use, without warranties of any kind, either express or implied. Thomson Reuters Healthcare and Drugs.com make no representation or warranty as to the accuracy, reliability, timeliness, usefulness or completeness of any of the information contained in the products. Additionally, THOMSON REUTERS HEALTHCARE MAKES NO REPRESENTATION OR WARRANTIES AS TO THE OPINIONS OR OTHER SERVICE OR DATA YOU MAY ACCESS, DOWNLOAD OR USE AS A RESULT OF USE OF THE THOMSON REUTERS HEALTHCARE PRODUCTS. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE ARE HEREBY EXCLUDED. Thomson Reuters Healthcare does not assume any responsibility or risk for your use of the Thomson Reuters Healthcare products.


More Nupercainal HC resources


  • Nupercainal HC Use in Pregnancy & Breastfeeding
  • Nupercainal HC Drug Interactions
  • Nupercainal HC Support Group
  • 15 Reviews for Nupercainal HC - Add your own review/rating


Compare Nupercainal HC with other medications


  • Anal Itching
  • Aphthous Stomatitis, Recurrent
  • Atopic Dermatitis
  • Dermatitis
  • Eczema
  • Gingivitis
  • Hemorrhoids
  • Proctitis
  • Pruritus
  • Psoriasis
  • Seborrheic Dermatitis
  • Skin Rash
  • Ulcerative Colitis, Active

Zevalin


Generic Name: Ibritumomab Tiuxetan
Class: Antineoplastic Agents
VA Class: AN600
Chemical Name: N - [2 - [bis(carboxymethyl)amino] - 3 - (4 - isothiocyanatophenyl)propyl] - N - [2 - [bis(carboxymethyl)amino]propyl] glycine conjugate dimer disulfide with mouse monoclonal IDEC-Y2B8k-chain anti-(human CD20 (antigen)) (mouse monoclonal IDEC-Y2B8 γ1-chain) immuglobulin G1
CAS Number: 206181-63-7


  • Experience of Supervising Clinician


  • Use only by qualified clinicians experienced in the safe use and handling of radionuclides.1 7



  • Rituximab-related Infusion Reactions


  • Fatalities have occurred within 24 hours following rituximab infusion, an essential component of the ibritumomab tiuxetan therapeutic regimen.1 2




  • Fatalities were associated with an infusion reaction symptom complex that included hypoxia, pulmonary infiltrates, acute respiratory distress syndrome, MI, ventricular fibrillation, and/or cardiogenic shock.1




  • Approximately 80% of fatal infusion reactions occurred with initial infusion of rituximab.1 4




  • If severe infusion-related effects develop, discontinue rituximab, indium In 111 ibritumomab tiuxetan, and yttrium Y 90 ibritumomab tiuxetan, and initiate appropriate therapy.1 (See Infusion-related Effects under Cautions.)



  • Cytopenias


  • Most patients receiving the ibritumomab tiuxetan therapeutic regimen develop prolonged and severe cytopenias.1




  • Do not use in patients with ≥25% lymphoma marrow involvement and/or impaired bone marrow reserve.1 (See Hematologic Effects under Cautions.)



  • Severe Cutaneous and Mucocutaneous Reactions


  • Severe, sometimes fatal, cutaneous and mucocutaneous reactions reported.1 11 (See Severe Cutaneous and Mucocutaneous Reactions under Cautions.)




  • If severe cutaneous or mucocutaneous reactions occur, discontinue rituximab, indium In 111 ibritumomab tiuxetan, and yttrium Y 90 ibritumomab tiuxetan.11 b



  • Yttrium Y 90 Ibritumomab Tiuxetan


  • Do not administer yttrium Y 90 ibritumomab tiuxetan to patients with altered distribution as determined by imaging with indium In 111 ibritumomab tiuxetan.1




  • Dosage of yttrium Y 90 ibritumomab tiuxetan should not exceed 32 mCi.1




Introduction

Radioimmunotherapeutic agent; a murine anti-human antigen CD20 monoclonal antibody (conjugated with the chelating agent tiuxetan) that readily chelates the radioisotopes indium 111 and yttrium 90.1 2 3 5 7


Uses for Zevalin


Non-Hodgkin’s Lymphoma


Part of a specific therapeutic regimen (ibritumomab tiuxetan therapeutic regimen) for treatment of relapsed or refractory low-grade, follicular, or transformed B-cell non-Hodgkin’s lymphoma, including follicular non-Hodgkin’s lymphoma that is refractory to rituximab therapy (designated an orphan drug by FDA for this use).1 2 12


Part of a specific therapeutic regimen (ibritumomab tiuxetan therapeutic regimen) for the treatment of relapsed or refractory, low-grade, follicular B-cell non-Hodgkin's lymphoma in patients that are rituximab-naive.b


Efficacy determined based on overall response rates; actual clinical benefits (e.g., effects on survival) not clearly elucidated.1


Ibritumomab tiuxetan therapeutic regimen may be associated with higher overall response rate than rituximab monotherapy;1 5 6 9 however, median duration of response and median time to disease progression were similar between the 2 groups in one study.1 9


Safety and efficacy not evaluated in patients with ≥25% involvement of bone marrow by lymphoma and/or impaired bone marrow reserve (e.g., prior myeloablative therapies, prior external beam radiation to >25% of active marrow, platelet count <100,000/mm3, neutrophil count <1500/mm3).1 5


Zevalin Dosage and Administration


General



  • Consult specialized references for procedures for proper handling and disposal of antineoplastic drugs.




  • The ibritumomab tiuxetan therapeutic regimen consists of 2 low doses of rituximab (to deplete peripheral B lymphocytes and to improve distribution of ibritumomab tiuxetan), an imaging dose of indium In 111 ibritumomab tiuxetan coupled with one or more whole body scans (to assess distribution), and a therapeutic dose of yttrium Y 90 ibritumomab tiuxetan.1 2 3 5 7 Regimen administered in 2 steps.1




  • Intended for use as a single course of treatment.1 Safety of multiple courses or of other forms of therapeutic irradiation preceding, following, or in combination with ibritumomab tiuxetan therapeutic regimen not established.1




  • Do not use in absence of rituximab predose.1 Dose of rituximab is lower when used as part of ibritumomab tiuxetan therapeutic regimen than when used alone.1




  • To minimize risk of infusion-related reactions, consider oral premedication with acetaminophen 650 mg and an antihistamine (e.g., diphenhydramine, 50 mg) prior to each infusion of rituximab.1 4 b




  • Distribution is restricted.2 (See Preparations.)



Administration


IV Administration


For solution compatibility information, see Compatibility under Stability.


Rituximab Administration

Administer rituximab by IV infusion; rituximab must be diluted prior to IV infusion.1 4 Do not administer by rapid IV injection (e.g., IV push or bolus).1


Consult manufacturer’s labeling for additional information on the reconstitution and administration of rituximab.1


Ibritumomab Tiuxetan Administration

Administer indium In 111 ibritumomab tiuxetan and yttrium Y 90 ibritumomab tiuxetan by slow IV injection.1 5 7


A 0.22-mcm low-protein-binding filter should be inline between syringe and infusion port prior to injection of indium In 111 ibritumomab tiuxetan.1 Following injection, flush line with at least 10 mL of 0.9% sodium chloride solution.1


Observe standard precautions to avoid extravasation of yttrium Y 90 ibritumomab tiuxetan (e.g., establish free-flowing IV line prior to administration).1 Monitor infusion site for signs of extravasation; if manifestations of extravasation appear, immediately stop infusion, restart infusion in another limb, and consult radiation safety officer.1 2 b


Yttrium Y 90 ibritumomab tiuxetan can be routinely administered on an outpatient basis.1 2 7 Presumably low risk of exposure to radiation in health-care professionals, family members, and other close personal contacts.2 7 Standard precautions for reducing risk of radiation exposure not necessary;2 however, some clinicians recommend following universal precautions for minimizing exposure to blood and other body fluids (e.g., saliva, urine, stool).7


Preparation of Radiolabeled Ibritumomab Tiuxetan

Instructions for preparation of indium In 111 ibritumomab tiuxetan and yttrium Y 90 ibritumomab tiuxetan solutions differ.1 Changing the recommended ratio of any reactant in the radiolabeling process may adversely affect therapeutic results.1


Consult manufacturer’s labeling for detailed information on preparation of indium In 111 ibritumomab tiuxetan and yttrium Y 90 ibritumomab tiuxetan.1


Rate of Administration

Rituximab step 1: Administer at initial rate of 50 mg/hour.1 If no infusion reactions occur, increase infusion rate in 50 mg/hour increments every 30 minutes, to a maximum rate of 400 mg/hour.b


Rituximab step 2: If no infusion reaction occurred during step 1, administer at an initial rate of 100 mg/hour.1 Increase infusion rate in 100 mg/hour increments every 30 minutes, to a maximum rate of 400 mg/hour as tolerated.b


If infusion reaction occurred during step 1, administer at an initial rate of 50 mg/hour.b Increase infusion rate in 50 mg/hour increments every 30 minutes, to a maximum rate of 400 mg/hour.b


If hypersensitivity reactions and/or infusion-related events develop, reduce infusion rate or temporarily interrupt infusion; when symptoms improve, resume infusion at one-half previous rate.1 (See Infusion-related Effects under Cautions.)


Indium In 111 ibritumomab tiuxetan or yttrium Y 90 ibritumomab tiuxetan: administer over 10 minutes.1


Dosage


Available as ibritumomab tiuxetan; dosage expressed in terms of ibritumomab tiuxetan.1


Adults


Non-Hodgkin’s Lymphoma

IV

Step 1 (day 1): 250 mg/m2 rituximab, then (within 4 hours) 5 mCi (1.6 mg total antibody dose) indium In 111 ibritumomab tiuxetan.1 To determine distribution of indium In 111 ibritumomab tiuxetan, perform whole body scans at 48–72 hours following imaging dose and, if necessary, at other time points;1 do not proceed with therapy in patients with altered distribution.1 (See Altered Distribution under Cautions.)


Step 2 (7, 8, or 9 days after Step 1): a second 250-mg/m2 dose of rituximab, then (within 4 hours) 0.4 mCi/kg (up to a maximum dose of 32 mCi) yttrium Y 90 ibritumomab tiuxetan (for patients with normal platelet counts ≥150,000/mm3) or 0.3 mCi/kg yttrium Y 90 ibritumomab tiuxetan (for patients with platelet counts of 100,000–149,000/mm3).1 2 5 b


Prescribing Limits


Adults


Non-Hodgkin’s Lymphoma

IV

Yttrium Y 90 ibritumomab tiuxetan: maximum 32 mCi regardless of patient’s weight.1 5


Special Populations


No special population dosage recommendations at this time.b (See Geriatric Use under Cautions.)


Cautions for Zevalin


Contraindications



  • Known hypersensitivity to ibritumomab tiuxetan, murine proteins, rituximab, indium chloride, yttrium chloride, or any ingredient in the formulation.1



Warnings/Precautions


Warnings


Infusion-related Effects

Risk of severe, potentially fatal infusion-related effects associated with rituximab infusion.1 Onset of most severe reactions between 30–120 minutes after starting first rituximab infusion;1 4 fatalities reported within 24 hours of infusion.1 (See Boxed Warning.)


If severe infusion-related effects (e.g., urticaria, hypotension, angioedema, hypoxia, bronchospasm, pulmonary infiltrates, acute respiratory distress syndrome, MI, ventricular fibrillation, cardiogenic shock) develop, discontinue rituximab, indium In 111 ibritumomab tiuxetan, or yttrium Y 90 ibritumomab tiuxetan and initiate appropriate therapy.1 4 b


For less severe infusion reactions, temporarily slow or interrupt rituximab infusion; if symptoms improve, continue at half the previous rate.1 (See Rate of Administration under Dosage and Administration.)


Monitor closely for extravasation during infusion of ibritumumab tiuxetan.b If signs or symptoms of extravasation occur, immediately terminate the infusion and restart in another limb.b (See Ibritumomab Tiuxetan Administration under Dosing and Administration.)


Hematologic Effects

Severe and prolonged cytopenia (e.g., thrombocytopenia, neutropenia, anemia) occurs in most patients;1 2 filgrastim, erythropoietin, platelet transfusions, or red blood cell transfusions required in some patients.1 2 6


Median time to nadir neutrophil or platelet count or nadir hemoglobin concentration was 7–9 weeks; median duration of cytopenia was 22–35 days.1 Possible prolonged severe cytopenia (>12 weeks following treatment).1


Risk of hemorrhage, including fatal cerebral hemorrhage.1 Carefully monitor hematologic function and promptly manage cytopenias and their complications (e.g., febrile neutropenia, hemorrhage) for up to 3 months following completion of therapy.1


Do not use in patients with ≥25% lymphoma marrow involvement and/or impaired bone marrow reserve (as indicated by prior myeloablative therapies, platelet count <100,000/mm3, neutrophil count <1500/mm3, hypocellular bone marrow [cellularity ≤15% or marked reduction in bone marrow precursor cells]), or in patients with history of failed stem cell collection.1 2 (See Hematologic Monitoring under Cautions.)


Severe Cutaneous and Mucocutaneous Reactions

Severe, sometimes fatal, erythema multiforme, Stevens-Johnson syndrome, toxic epidermal necrolysis, bullous dermatitis, and exfoliative dermatitis reported.1 11 Reaction may be acute (developing within days) or delayed (e.g., 3–4 months).1 11


Patients experiencing a severe cutaneous or mucocutaneous reaction should not receive any further components of the ibritumomab tiuxetan therapeutic regimen and should promptly seek medical evaluation.1 11


Other Warnings and Precautions


Concomitant Use with Rituximab

When used in therapeutic regimen with rituximab, consider the cautions, precautions, and contraindications associated with rituximab.1


Secondary Leukemia and Myelodysplastic Syndrome

Secondary malignancies (e.g., meningioma, myelodysplastic syndrome, acute myelogenous leukemia) may develop.1 2 6 Median time to diagnosis following treatment in expanded access program or clinical studies was 1.5 or 2.9 years, respectively.1 Cumulative incidence increasing with longer follow-up.1


Risk of developing secondary malignancies not associated with the number of prior treatments.1 14 Multiple cytogenetic abnormalities reported, most commonly involving chromosomes 5 and/or 7.1


Altered Distribution

Do not administer yttrium Y 90 ibritumomab tiuxetan in patients with altered distribution of ibritumomab tiuxetan (as determined by imaging studies with indium In 111 ibritumomab tiuxetan).1 Assess biodistribution with images at 48–72 hours following injection.1


Altered biodistribution of indium In 111 ibritumomab tiuxetan is characterized by intense localization of radiotracer in liver, spleen, and bone marrow indicative of reticuloendothelial system uptake or by increased uptake in normal organs not involved by tumor as indicated by diffuse uptake in normal lung more intense than that in liver; greater intensity in kidneys than in liver on posterior view; fixed areas (unchanged with time) of uptake in normal bowel greater than uptake in liver; or prominent bone marrow uptake, characterized by clear visualization of long bones and ribs (seen in <0.5% of patients).1 (See Distribution under Pharmacokinetics.)


Safety and efficacy of administration of yttrium Y 90 ibritumomab tiuxetan in patients with prominent bone marrow uptake not established.1 Consider possible causes of prominent bone marrow uptake (e.g., bone marrow involvement by lymphoma, increased marrow activity due to recent hematopoietic growth factor administration, increased reticuloendothelial uptake in patients with human antimurine antibodies [HAMA] and human antichimeric antibody [HACA]); reassess biodistribution after correction of underlying factors.1 Do not administer yttrium Y 90 ibritumomab tiuxetan in patients with persistently prominent marrow uptake on repeat biodistribution scans.1


Fetal/Neonatal Morbidity and Mortality

Yttrium Y 90 ibritumomab tiuxetan may cause fetal harm.1 Avoid pregnancy during therapy and for up to 12 months following completion of therapy.1 2 If used during pregnancy or if patient becomes pregnant, apprise of potential fetal hazard.1 (See Advice to Patients.)


Creutzfeldt-Jakob Disease and Viral Diseases

Because indium In 111 ibritumomab tiuxetan and yttrium Y 90 ibritumomab tiuxetan contain albumin human, the preparations carry an extremely remote risk for transmitting viral diseases or Creutzfeldt-Jakob disease.1 No cases of transmission of viral diseases or Creutzfeldt-Jakob disease reported with albumin human.1


Infectious Complications

Risk of severe (e.g., urinary tract infection, febrile neutropenia, sepsis, pneumonia, cellulitis, colitis, diarrhea, osteomyelitis, upper respiratory tract infection) or life-threatening infections (e.g., sepsis, empyema, pneumonia, febrile neutropenia, fever, biliary stent-associated cholangitis); may occur up to 4 years following completion of therapy.1 2


Sensitivity Reactions

Anaphylactic and other hypersensitivity reactions reported following IV administration of proteins.1


Drugs for treatment of hypersensitivity reactions, including epinephrine, antihistamines, and corticosteroids, should be available for immediate use in case of a reaction during administration of ibritumomab tiuxetan therapeutic regimen.1 4 7


Patients who have received murine proteins should be screened for HAMA.1 Safety not studied in patients with evidence of HAMA; such patients may be at increased risk of allergic or serious hypersensitivity reactions during administration of ibritumomab tiuxetan therapeutic regimen.1


Radionuclide Precautions

Contents of ibritumomab tiuxetan kits are not radioactive.1 However, employ institutional good radiation safety practices and patient management procedures during and after radiolabeling of ibritumomab tiuxetan with indium 111 or yttrium 90 to minimize exposure of patients and medical personnel to radiation.1


Immunologic Effects

Positive HAMA or HACA responses detected following ibritumomab tiuxetan therapeutic regimen.1 2 3 6 HAMA/HACA responses develop rarely, are typically transient, and do not increase with time.b


Hematologic Monitoring

Following completion of therapy, monitor CBCs and platelet counts weekly until levels return to normal;2 more frequent monitoring required in patients who develop severe cytopenia or as clinically indicated.1


Specific Populations


Pregnancy

Category D.1 (See Fetal/Neonatal Morbidity and Mortality under Cautions.)


Lactation

Not known whether ibritumomab tiuxetan is distributed into milk.1 However, human IgG is excreted in human milk, therefore, manufacturer states ibritumomab would be expected to be present in human milk.b Discontinue nursing or do not administer regimen.b


Pediatric Use

Safety and efficacy not established in children <18 years of age.1 2


Geriatric Use

No overall differences relative to younger adults, but increased sensitivity cannot be ruled out.1


Hematologic Impairment

Do not administer ibritumomab tiuxetan therapeutic regimen to patients with hematologic impairment.1 2 (See Hematologic Effects under Cautions.)


Common Adverse Effects


Thrombocytopenia,1 2 9 neutropenia,1 2 9 anemia,1 2 9 asthenia,1 2 7 9 nausea,1 2 7 9 infection,1 7 chills,1 2 7 9 fever,1 2 7 9 abdominal pain,1 2 7 9 dyspnea,1 2 9 pain,1 2 9 headache,1 2 9 vomiting,1 2 9 throat irritation,1 2 9 dizziness,1 2 9 increased cough.1 2 9


Interactions for Zevalin


No formal drug interaction studies to date.1


Specific Drugs


















Drug



Interaction



Comments



Anticoagulants



Possible increased risk of thrombocytopenia, bleeding, and hemorrhage1



More frequent laboratory monitoring for thrombocytopenia and modification of transfusion practices recommended; weigh risk versus benefit of concomitant administration1



Drugs affecting platelet function



Possible increased risk of thrombocytopenia, bleeding, and hemorrhage1



More frequent laboratory monitoring for thrombocytopenia and modification of transfusion practices recommended;1 weigh risk versus benefit of concomitant administration1



Hematopoietic growth factors



Altered biodistribution of ibritumomab (increased uptake in bone marrow) may occur due to increased marrow activity from recent administration of hematopoietic growth factors1



In clinical studies, use of growth factors was prohibited 2 weeks before and after completion of regimen1



Vaccines



Safety of immunization with live virus vaccines following therapy not studied1


Ability of patients receiving ibritumomab tiuxetan therapeutic regimen to generate primary or anamnestic humoral response to any vaccine not studied1



Do not administer live viral vaccines for 12 months following the ibritumomab tiuxetan therapeutic regimenb


Zevalin Pharmacokinetics


Absorption


Onset


Median number of circulating B cells drops to 0 (range: 0–1084 cells/mm3) at 4 weeks following treatment.1


Distribution


Extent


Binding observed on lymphoid cells of the bone marrow, lymph node, thymus, red and white pulp of the spleen, lymphoid follicles of the tonsil, and lymphoid nodules of other organs (e.g., large and small intestines).1 2 Little or no binding observed on nonlymphoid or gonadal tissues.1 2


Normal distribution is characterized by faintly visible uptake of indium In 111 ibritumomab tiuxetan in blood pool areas (i.e., heart, abdomen, neck, extremities); moderately high to high uptake in normal liver and spleen; moderately low or very low uptake in normal kidneys, urinary bladder, and normal (uninvolved) bowel; nonfixed areas within bowel lumen that change position with time; or focal fixed areas of uptake in bowel wall (localized to lymphoid aggregates in bowel wall).1


Human IgG distributed into milk.1 Not known whether ibritumomab tiuxetan is distributed into milk.1


Elimination


Elimination Route


Approximately 7.2% of injected dose of yttrium Y 90 ibritumomab tiuxetan is excreted in urine within 7 days.1 2 7


Half-life


Indium 111: physical half-life is 67.3 hours (2.81 days).1


Yttrium 90: physical half-life is 64.1 hours (2.67 days).1 Mean effective half-life in blood is 30 hours; mean area under the fraction of injected activity-time curve in blood is 39 hours.1


Stability


Storage


Parenteral


Injection

Indium In 111 ibritumomab tiuxetan: 2–8°C; do not freeze.1 Administer within 12 hours of radiolabeling.1


Yttrium Y 90 ibritumomab tiuxetan: 2–8°C; do not freeze.1 Administer within 8 hours of radiolabeling.1


Compatibility


For information on systemic interactions resulting from concomitant use, see Interactions.


Parenteral


Solution Compatibility1





Compatible



Sodium acetate



Sodium chloride 0.9%


ActionsActions



  • Ibritumomab tiuxetan radiolabeled with indium 111 (indium In 111 ibritumomab tiuxetan) is used for imaging purposes; ibritumomab tiuxetan radiolabeled with yttrium 90 (yttrium Y 90 ibritumomab tiuxetan) is used for radioimmunotherapy.1 2 3 5 7




  • Ibritumomab binds specifically to antigen CD20 (expressed on normal pre-B and mature B lymphocytes and on essentially all B-cell non-Hodgkin’s lymphomas),1 2 triggering apoptosis of normal and malignant B cells through complement-dependent cytotoxicity and antibody-dependent cell-mediated cytotoxicity.1 2




  • Yttrium 90 responsible for the primary cytotoxic effect of yttrium Y 90 ibritumomab tiuxetan; induces cellular damage by forming free radicals in target and neighboring cells.1 2




  • Median number of circulating B cells drops to 0 (range: 0–1084 cells/mm3) at 4 weeks following completion of therapy.1 Recovery of B cells begins at approximately 3 months; median levels of B cells return to normal by 9 months.1 2 Median serum concentrations of IgG and IgA remain within normal range throughout the period of B-cell depletion; median serum IgM concentrations decline to below normal values but return to normal by 6 months following treatment.1



Advice to Patients



  • Importance of advising family members and other close contacts to follow standard precautions for minimizing exposure to blood and other body fluids (e.g., saliva, urine, stool).2 7




  • Importance of taking premedications as prescribed.b




  • Importance of promptly seeking medical attention if severe signs or symptoms of an infusion reaction occur.b (See Infusion-related Effects under Cautions.)




  • Importance of promptly seeking medical attention if severe cutaneous or mucocutaneous reaction develops (e.g., diffuse rash, bullae, or desquamation of the skin or oral mucosa).11 b




  • Importance of promptly reporting to a clinician any signs or symptoms of cytopenias (e.g., bleeding, easy bruising, petechiae or purpura, pallor, weakness or fatigue).b




  • Importance of immediately reporting any signs or symptoms of infection (e.g., fever).b




  • Importance of women informing clinicians immediately if they are or plan to become pregnant or plan to breast-feed.1 Necessity of advising women to use an effective method of contraception while receiving therapy and for up to 12 months following completion of therapy.1 Necessity of advising pregnant women of risk to the fetus.1 Importance of discontinuing nursing during and after therapy.b




  • Importance of not receiving live viral vaccines for 12 months after completion of the ibritumomab tiuxetan therapeutic regimen.b




  • Importance of informing clinicians of existing or contemplated therapy, including prescription and OTC drugs (e.g., live viral vaccines, medications that interfere with platelet function or coagulation) and dietary or herbal supplements, as well as any concomitant illnesses.1 b (See Interactions.)




  • Importance of informing patients of other important precautionary information. (See Cautions.)



Preparations


Excipients in commercially available drug preparations may have clinically important effects in some individuals; consult specific product labeling for details.


Distribution restricted to qualified and appropriately licensed clinicians and facilities equipped to handle radionuclides (e.g., nuclear pharmacies); not available through community pharmacies.2


Commercially available as 2 separate and distinctly labeled kits (In-111-Zevalin and Y-90-Zevalin) that contain all nonradioactive ingredients necessary to prepare a single dose of indium In 111 ibritumomab tiuxetan and a single dose of yttrium Y 90 ibritumomab tiuxetan.1 Indium 111 chloride must be ordered separately, from either GE Healthcare or Mallinckrodt Inc., at the time the indium In 111 ibritumomab tiuxetan (In-111-Zevalin) kit is ordered; yttrium 90 chloride sterile solution is supplied by MDS Nordion when the yttrium Y 90 ibritumomab tiuxetan (Y-90-Zevalin) kit is ordered.1 Rituximab must be ordered separately.1


















Ibritumomab Tiuxetan

Routes



Dosage Forms



Strengths



Brand Names



Manufacturer



Parenteral



Kit



1 Vial, 3.2 mg/2 mL, Injection, for preparation of radioactive pharmaceutical, Ibritumomab Tiuxetan (Zevalin; preservative-free)


1 Vial, 50 mM/2 mL, Sodium Acetate Injection (preservative-free)


1 Vial, Buffer Formulation Injection (with albumin; preservative-free)


1 Vial, Reaction Vial (sterile and empty)



Zevalin In-111



Biogen Idec



 



Zevalin Y-90



Biogen Idec



Disclaimer

This report on medications is for your information only, and is not considered individual patient advice. Because of the changing nature of drug information, please consult your physician or pharmacist about specific clinical use.


The American Society of Health-System Pharmacists, Inc. and Drugs.com represent that the information provided hereunder was formulated with a reasonable standard of care, and in conformity with professional standards in the field. The American Society of Health-System Pharmacists, Inc. and Drugs.com make no representations or warranties, express or implied, including, but not limited to, any implied warranty of merchantability and/or fitness for a particular purpose, with respect to such information and specifically disclaims all such warranties. Users are advised that decisions regarding drug therapy are complex medical decisions requiring the independent, informed decision of an appropriate health care professional, and the information is provided for informational purposes only. The entire monograph for a drug should be reviewed for a thorough understanding of the drug's actions, uses and side effects. The American Society of Health-System Pharmacists, Inc. and Drugs.com do not endorse or recommend the use of any drug. The information is not a substitute for medical care.

AHFS Drug Information. © Copyright, 1959-2011, Selected Revisions October 2009. American Society of Health-System Pharmacists, Inc., 7272 Wisconsin Avenue, Bethesda, Maryland 20814.




References



1. Biogen Idec Inc. Zevalin (ibritumomab tiuxetan) injection prescribing information. Cambridge, MA; 2007 Jan.



2. IDEC Pharmaceuticals, San Diego, CA: Personal communication.



3. Witzig TE. Radioimmunotherapy for patients with relapsed B-cell non-Hodgkin lymphoma. Cancer Chemother Pharmacol. 2001; 48(Suppl 1):S91-5. [PubMed 11587375]



4. Biogen Idec/Genentech, Inc. Rituxan (rituximab) prescribing information. San Diego/South San Francisco, CA; 2007 Feb 21.



5. Wiseman GA, White CA, Sparks RB et al. Biodistribution and dosimetry results from a phase III prospectively randomized controlled trial of Zevalin radioimmunotherapy for low-grade, follicular, or transformed B-cell non-Hodgkin’s lymphoma. Crit Rev Oncol Hematol. 2001; 39:181-94. [PubMed 11418315]



6. Maung K, D’Orazio AI. 6th European Hematology Association Meeting. Frankfurt, Germany. June 21-24, 2001. Clin Lymphoma. 2001; 2:74-9. [PubMed 11712544]



7. Wagner HN Jr, Wiseman GA, Marcus CS et al. Administration guidelines for radioimmunotherapy of non-Hodgkin’s lymphoma with90Y-labeled anti-CD20 monoclonal antibody. J Nucl Med. 2002; 43:267-72. [IDIS 476756] [PubMed 11850494]



8. Witzig TE, Flinn IW, Gordon LI et al. Treatment with ibritumomab tiuxetan radioimmunotherapy in patients with rituximab-refractory follicular non-Hodgkin’s lymphoma. J Clin Oncol.



9. Witzig TE, Gordon LI, Cabanillas F et al. Randomized controlled trial of yttrium-90-labeled ibritumomab tiuxetan radioimmunotherapy versus rituximab immunotherapy for patients with relapsed or refractory low-grade, follicular, or transformed B-cell non-Hodgkin’s lymphoma. J Clin Oncol. 2002; 20:2453-63. [IDIS 486286] [PubMed 12011122]



10. Wiseman GA, Gordon LI, Multani PS et al. Ibritumomab tiuxetan radioimmunotherapy for relapsed or refractory non-Hodgkin’s lymphoma patients with mild thrombocytopenia: a phase II multicenter trial. Blood. 2002; 99.



11. Kooijmans-Coutinho M. Dear healthcare professional letter regarding severe cutaneous or mucocutaneous reactions associated with Zevalin. Cambridge, MA: Biogen Idec; 2005 Oct. From FDA website.



12. Anon. Drugs of choice for cancer. Treat Guidel Med Lett. 2003; 1:41-52.



13. Witzig TE, Molina A, Gordon LI et al. Long-term responses in patients with recurring or refractory B-cell non-Hodgkin lymphoma treated with yttrium 90 ibritumomab tiuxetan. Cancer. 2007; 109:1804-10. [PubMed 17380530]



14. Cell Therapeutics, Seattle, WA: Personal communication.



b. Biogen Idec Inc. Zevalin (ibritumomab tiuxetan) injection prescribing information. Cambridge, MA; 2008 Mar.



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