Cellcept

Cellcept500 mg

Tablet

Mycophenolate Mofetil

Roche Bangladesh Ltd.

Product Code : 3262
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Medicine overview

Indications of Cellcept 500 mg

Cellcept 500 mg in combination with corticosteroids and either ciclosporin or tacrolimus is indicated for- Prophylaxis of acute organ rejection and treatment of first or refractory organ rejection in patients receiving allogeneic renal transplants. Prophylaxis of acute organ rejection in patients receiving allogeneic cardiac transplants. ... Read moreCellcept 500 mg in combination with corticosteroids and either ciclosporin or tacrolimus is indicated for- Prophylaxis of acute organ rejection and treatment of first or refractory organ rejection in patients receiving allogeneic renal transplants. Prophylaxis of acute organ rejection in patients receiving allogeneic cardiac transplants. Prophylaxis of acute organ rejection in patients receiving allogeneic hepatic transplants. Cellcept 500 mg is indicated for induction and maintenance therapy of patients with Class III-V lupus nephritis (diagnosed according to International Society of Nephrology/Renal Pathology Society classification.

Theropeutic Class

Immunological Chemotherapy, Immunosuppressant

Pharmacology

Cellcept 500 mg or Mycophenolic acid acts by blocking purine synthesis of human lymphocytes through reversible inhibition of inosine monophosphate dehydrogenase. It also inhibits proliferation of both T- and B- lymphocytes.

Dosage & Administration of Cellcept 500 mg

Renal Transplantation: Adults: A dose of 1 gm administered orally or intravenously (over NO LESS THAN 2 HOURS) twice a day (daily dose of 2 gm) is recommended for use in renal transplant patients. Although a dose of 1.5 g administered twice daily (daily dose of 3 gm) was used in clinical trials and was shown to be safe and effective, no efficacy advantage could be established for renal transplant patients. Patients receiving 2 gm/day of Mycophenolate demonstrated an overall better safety profile than did patients receiving 3 gm/day of Mycophenolate . Pediatrics (3 Months To 18 Years Of Age): The recommended dose of Mycophenolate oral suspension is 600 mg/m2 administered twice daily (up to a maximum daily dose of 2 gm/10 ml oral suspension). Patients with a body surface area of 1.25 m2 to 1.5 m2 may be dosed with Mycophenolate capsules at a dose of 750 mg twice daily (1.5 g daily dose). Patients with a body surface area >1.5 m2 may be dosed with Mycophenolate capsules or tablets at a dose of 1 gm twice daily (2 gm daily dose). Cardiac Transplantation: A dose of 1.5 g bid administered intravenously (over NO LESS THAN 2 HOURS) or 1.5 g bid oral (daily dose of 3 gm) is recommended for use in adult cardiac transplantpatients.Hepatic Transplantation: A dose of 1 gm bid administered intravenously (over NO LESS THAN 2 HOURS) or 1.5 g bid oral (daily dose of 3 gm) is recommended for use in adult hepatic transplantpatients.

Dosage of Cellcept 500 mg

Transplant patients:Standard dosage for prophylaxis of renal rejection Adults: A dose of 1 g administered orally twice a day (daily dose of 2 g) is recommended for use in renal transplant patients. Children (aged 3 months to 18 years): Patients with a body surface area of 1.25 to 1.5 m2 may be prescribed Cellcept 500 mg Tablets at a dose of 750 mg twice daily (1.5 g daily dose). Patients with a body surface area >1.5 m2 may be prescribed Cellcept 500 mg tablets at a dose of 1 gm twice daily (2 g daily dose). Standard dosage for prophylaxis of cardiac rejection- Adults: A dose of 1.5 g administered orally (over not less than 2 hour) twice a day (daily dose of 3 g) is recommended for use in cardiac transplant patients. Children: no data are available for pediatric cardiac transplant patients. Standard dosage for prophylaxis of hepatic rejection- Adults: A dose of 1.5 g orally twice a day (daily dose of 3 g) is recommended for use in hepatic transplant patients Children: no data are available for pediatric hepatic transplant patients. Standard dosage for treatment of first or refractory renal rejection- Adults: A dose of 1.5 g administered orally twice a day (daily dose of 3 g) is recommended for management of first or refractory rejection. Children: no data are available for the treatment of first or refractory renal rejection in pediatric renal transplant patients. Lupus nephritis patients:Standard Dosage for Induction Therapy- Adults: A dose of 750 mg-1.5 g administered orally twice a day (daily dose of up to 3 g) is recommended Children: A dose of 600 mg/m2 administered orally twice a day (up to a maximum of 2 g daily) is recommended Standard Dosage for Maintenance Therapy- Adults: A dose of 500 mg-1 g administered orally twice a day is recommended Children: A dose of 300 mg/m2 administered orally twice a day is recommended Cellcept 500 mg should be used in combination with corticosteroids. Doses should be introduced gradually and adjusted according to clinical response. Therapeutic drug monitoring could help prevent sub-therapeutic exposure (Cmin≥3.0 mg/L or inter-dose AUC ≥35 h*mg/L).

Interaction of Cellcept 500 mg

Caution should be exercised with concomitant administration of Antacids, Azathioprine, Cyclosporin, Rifampin, Sevelamer, Cholestyramine, Acyclovir, Metronidazole, Hormonal contraceptives as these medicines may decrease Mycophenolic acid concentration.

Contraindications

Mycophenolic acid is contraindicated in patients with a hypersensitivity to mycophenolic acid, or to any of its excipients. Mycophenolic acid is contraindicated during pregnancy due to its mutagenic and teratogenic potential. Mycophenolic acid is contraindicated in women who are breastfeeding.

Side Effects of Cellcept 500 mg

The principal adverse reactions associated with the administration of Cellcept 500 mg includes diarrhea, leukopenia, sepsis, gastrointestinal candidiasis, urinary tract infection, herpes simplex, vomiting and there is evidence of a higher frequency of certain types of infections eg. opportunistic infections.

Pregnancy & Lactation

Pregnancy Category D. There is positive evidence of human foetal risk, but the benefits from use in pregnant women may be acceptable despite the risk (e.g., if the drug is needed in a life-threatening situation or for a serious disease for which safer drugs cannot be used or are ineffective).

Precautions & Warnings

Mycophenolic acid tablets are used with caution because it- Can increase new or reactive viral infections. Such infections include latent viral reactivation, such as hepatitis B or hepatitis C reactivation, or infections caused by polyomaviruses. Can cause blood dyscrasias including pure red cell aplasia (PRCA). Can cause serious GI tract complications (gastrointestinal bleeding, perforations and ulcers). May increase the risk of developing lymphomas and other malignancies, particularly of the skin. Use of live vaccines should be avoided during treatment with Mycophenolic acid. Patients should not donate blood during therapy.

Overdose Effects of Cellcept 500 mg

In many of these cases no adverse events were reported. It is expected that an overdose of Cellcept 500 mg could possibly result in over suppression of the immune system and increase susceptibility to infections and bone marrow suppression. If neutropenia develops, dosing with Cellcept 500 mg should be interrupted or the dose reduced.

Storage Conditions

Store in a cool (below 30°C), dry place and away from light. Keep out of the reach of children.

Use In Special Populations

Prophylaxis of acute renal graft rejection: Severe chronic renal impairment (GFR<25 ml/min/1.73 m2): Avoid >1 g bid of Cellcept 500 mg.

Drug Classes

Immunological Chemotherapy, Immunosuppressant

Mode Of Action

Mechanism of Action: Mycophenolate mofetil is the 2-morpholinoethyl ester of mycophenolic acid (MPA). MPA is a potent, selective, uncompetitive and reversible inhibitor of inosine monophosphate dehydrogenase (IMPDH), and therefore inhibits the de novo pathway of guanosine nucleotide synthesis. The mechanism by which MPA inhibits the enzymatic activity of IMPDH appears to be related to the ability of MPA to structurally mimic both nicotinamide adenine dinucleotide cofactor and a catalytic water molecule. This prevents the oxidation of IMP to xanthose-5’-monophosphate which is the committed step in de novo guanosine nucleotide biosynthesis. MPA has more potent cytostatic effects on lymphocytes than on other cells because T- and B lymphocytes are critically dependent for their proliferation on de novo synthesis of purines whereas other cell types can utilize salvage pathways.Pharmacodynamics: Mycophenolic acid, the active metabolite of Cellcept 500 mg, is a non-competitive, reversible inhibitor of inosine monophosphate dehydrogenase (IMPDH). Inhibition of IMPDH blocks the de novo synthesis of guanosine nucleotides which are necessary substrates for DNA and RNA synthesis. Unlike other cell types which can use the salvage pathway, B and T lymphocytes are dependent upon the de novo pathway for the generation of guanosine. Data from in vitro studies indicate that mycophenolic acid and/or Cellcept 500 mg inhibit mixed lymphocyte responses and human peripheral blood lymphocyte proliferation induced by a variety of mitogens and antigens. Mycophenolic acid decreases intracellular pools of guanosine triphosphate (GTP) and deoxyguanosine triphosphate (dGTP) in mitogen-stimulated human peripheral blood monocytes or T lymphocytic cell lines but has no effect on GTP concentrations in human neutrophils.

Pregnancy

Cellcept 500 mg is contraindicated in pregnancy and during breastfeeding. The safe use of Cellcept 500 mg during labor and delivery has not been established.

Pediatric Uses

Geriatric population: Geriatric patients may be at an increased risk of adverse events such as certain infections (including cytomegalovirus tissue invasive disease) and possibly gastrointestinal hemorrhage and pulmonary edema, compared with younger individuals.
Disclaimer

The information provided is accurate to our best practices, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy. The absence of specific information about a drug should not be seen as an endorsement. We are not responsible for any consequences resulting from this information, so consult a healthcare professional for any concerns or questions.