Generic Name and Formulations:
Blinatumomab 35mcg; per vial; lyophilized pwd for IV infusion after reconstitution; preservative-free.
Company:
Amgen, Inc.
Indications for BLINCYTO:
Philadelphia chromosome-negative relapsed or refractory B-cell precursor acute lymphoblastic leukemia.
Adult:
Strictly follow preparation and administration instructions. Pre-medicate with IV dexamethasone 20mg 1 hour prior to 1st dose of each cycle, prior to a step dose, or when restarting infusion after interruption (≥4 hours). Hospitalization recommended for first 9 days of Cycle 1 and first 2 days of Cycle 2. One single cycle = 4 weeks of continuous IV infusion followed by a 2-week treatment-free interval. ≥18yrs (≥45kg): Give by continuous IV infusion at a rate of 10mL/hr for 24 hours or 5mL/hr for 48 hours. Cycle 1: 9mcg/day on Days 1–7 and 28mcg/day on Days 8–28. Subsequent cycles: 28mcg/day on Days 1–28. Treat up to a total of 5 cycles. Dose adjustments: see full labeling.
Children:
<18yrs: not established.
Warnings/Precautions:
Monitor for signs/symptoms of cytokine release syndrome or neurological toxicities; interrupt or discontinue as recommended (see full labeling). Monitor for infections; give antibiotic prophylaxis as appropriate. Monitor for tumor lysis syndrome; interrupt or discontinue as needed. Obtain lab tests (including WBC, ANC) during infusion; interrupt if prolonged neutropenia occurs. Monitor ALT, AST, GGT, and total bilirubin prior to and during treatment; interrupt if transaminases rise >5XULN or if bilirubin rises >3XULN. Risk of leukoencephalopathy, esp. in those with prior treatment with cranial irradiation and antileukemic chemotherapy (including high-dose methotrexate or intrathecal cytarabine). Renal impairment (CrCl <30mL/min) or hemodialysis. Elderly. Pregnancy (Cat.C). Nursing mothers: not recommended.
Interactions:
Caution with concomitant CYP450 substrates (esp. drugs with narrow therapeutic index); adjust dose as needed. Monitor for toxicity with warfarin. Monitor cyclosporine.
Pharmacological Class:
Bispecific CD19-directed CD3 T-cell engager.
Adverse Reactions:
Pyrexia, headache, peripheral edema, febrile neutropenia, nausea, hypokalemia, tremor, rash, constipation; pneumonia, sepsis, neutropenia, device-related infection, tremor, encephalopathy, confusion, overdose, possible immunogenicity.
REMS:
YES
How Supplied:
Pack—1 (single-use vial + IV solution stabilizer)