Monograph Details

Neoplasms > Monoclonal antibodies
RITUXAN
Manufacturer
Genentech, Inc.
Legal Classification
Rx
Pharmacological Class
B-lymphocyte-restricted differentiation antigen [CD20] inhibitor.
Generic Name
Rituximab 10mg/mL; soln for IV infusion; preservative-free.
Indications
Relapsed or refractory, low-grade or follicular, CD20(+), B-cell non-Hodgkin's lymphoma (NHL). First-line treatment of follicular, CD20(+), B-cell NHL in combination with CVP chemotherapy. Low-grade, CD20(+), B-cell NHL in patients with stable disease or who achieve a partial or complete reponse following 1st line treatment with CVP regimen. First-line treatment of diffuse large B-cell, CD20(+) NHL in combination with CHOP or other anthracycline-based chemotherapy regimens.
Children
Not recommended.
Adults
Give by IV infusion initially at a rate of 50mg/hr; may increase infusion rate in 50mg/hr increments every 30 minutes to a max of 400mg/hr if infusion reactions do not occur. NHL: 375mg/m2 once weekly for 4–8 doses. Retreatment therapy: 375mg/m2 once weekly for 4 doses. Previously untreated, follicular, CD20(+), B-cell NHL: 375mg/m2 on day 1 of each cycle of CVP chemotherapy for up to 8 doses. Previously untreated, low-grade, CD20(+), B-cell NHL: 375mg/m2 once weekly for 4 doses every 6 months for up to 16 doses. Diffuse large B-cell NHL: 375mg/m2 on day 1 of each cycle for up to 8 infusions. As a component of Zevalin regimen: see literature.
Precautions
Discontinue if severe infusion or mucocutaneous reactions occur (eg, hypoxia, pulmonary infiltrates, acute respiratory stress disorder, MI, ventricular fibrillation, cardiogenic shock, Stevens-Johnson syndrome, toxic epidermal necrolysis). Tumor lysis syndrome (esp. with high tumor burden); monitor for renal toxicity, fluid balance, electrolyte abnormalities (correct if occurs). Pre-existing cardiovascular disease; monitor during and after treatment. Hepatitis B reactivation with fulminant hepatitis may occur; monitor for signs of active HBV infection, discontinue if occurs. Monitor CBCs, platelet counts during treatment, then periodically. Elderly. Pregnancy (Cat.C). Nursing mothers: not recommended.
Interactions
Avoid live virus vaccines. Renal toxicity with cisplatin.
Adverse Reactions
Fever, chills, rigors, nausea, pruritus, angioedema, asthenia, hypotension, headache, bronchospasm, throat irritation, rhinitis, urticaria, rash, vomiting, myalgia, dizziness, hypertension, cough, flushing, chest tightness; myelosuppression (eg, lymphopenia, neutropenia, leukopenia, anemia, thrombocytopenia), infusion reactions (may be fatal), mucocutaneous reactions (may be fatal), progressive multifocal leukoencephalopathy, viral infections, tumor lysis syndrome, renal toxicity, bowel obstruction/perforation, hepatitis B reactivation with fulminant hepatitis, cardiac arrhythmias.
How Supplied
Single-use vial (10mL, 50mL)—1
Additional Resources
Related Prescribing Note