Generic Name and Formulations:
Temsirolimus 25mg/mL; ethanolic soln for IV infusion after two dilutions (first w. supplied diluent); contains alcohol, polysorbate 80.
Indications for TORISEL:
Advanced renal cell carcinoma.
25mg once weekly. Infuse IV over 30–60min, using an infusion pump. Continue until disease progression or unacceptable toxicity occurs. Premedicate with IV antihistamine (eg, diphenydramine). Hold dose if ANC <1000/mm3, platelets <75000/mm3, or NCI CTCAE ≥Grade 3 adverse reaction occurs; may restart at a dose reduced by 5mg/week (no lower than 15mg/week) if adverse reactions resolve to ≤Grade 2. Hepatic impairment: bilirubin >1–1.5xULN or AST > ULN but bilirubin ≤ ULN: reduce to 15mg/week; >1.5xULN: contraindicated. See Interactions.
Sirolimus or related allergy. Hemodialysis. Perioperative period (may interfere with wound healing). CNS tumors. Monitor for opportunistic infections; consider prophylaxis for pneumocystis jiroveci pneumonia (PJP) when concomitant corticosteroids, other immunosuppresives required. Monitor for interstitial lung disease (ILD); discontinue if suspected. Monitor CBCs weekly and chemistry panels every 2 weeks, blood glucose, lipids, renal function, and for worsening respiratory or GI symptoms (eg, acute abdomen, blood in stool). Elderly. Pregnancy (Cat.D) (avoid pregnancy during and for 3 months after therapy, male patients should use appropriate contraception), nursing mothers: not recommended.
Avoid strong CYP3A4 inhibitors (eg, ketoconazole, itraconazole, clarithromycin, atazanavir, indinavir, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, voriconazole, grapefruit juice); if used, consider reducing temsirolimus dose to 12.5mg/week (allow 1 week after discontinuing CYP3A4 inhibitor before readjusting temsirolimus dose). Avoid strong CYP3A4 inducers (eg, dexamethasone, phenytoin, carbamazepine, rifampin, rifabutin, rifampicin, phenobarbital, St. John's Wort); if used, consider increasing temsirolimus dose to 50mg/week. Avoid live vaccines, close contact with vaccinees. Additive toxicity with sunitinib (rash, gout/cellulitis), anticoagulants (intracerebral bleeding). Angioedema when concomitant with ACEIs (eg, ramipril) or CCBs (eg, amlodipine); monitor.
mTOR kinase inhibitor.
Rash, asthenia, mucositis, nausea, edema, anorexia, infection, pain, anemia, hyperglycemia, hyperlipemia, hypertriglyceridemia, elevated alkaline phosphatase, elevated serum creatinine, lymphopenia, hypophosphatemia, thrombocytopenia, elevated AST, leukopenia; hypersensitivity/infusion reactions (anaphylaxis, dyspnea, flushing, chest pain), immunosuppression, PJP, ILD, bowel perforation, acute renal failure, abnormal wound healing; others (see full labeling).
Kit (vial + diluent)—1