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COMETRIQ
Pancreatic, thyroid, and other endocrine cancers
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Drug Name:

COMETRIQ Rx

Generic Name and Formulations:
Cabozantinib 20mg, 80mg; caps.

Company:
Exelixis, Inc.

Therapeutic Use:

Indications for COMETRIQ:

Treatment of progressive, metastatic medullary thyroid cancer (MTC).

Adult:

Not interchangeable with cabozantinib tabs. Swallow whole. 140mg daily. Do not eat at least 2 hours before or 1 hour after dose. Continue until disease progression or unacceptable toxicity. Withhold for Grade 4 hematologic adverse reactions, ≥Grade 3 non-hematologic reactions or intolerable Grade 2 reactions. Upon improvement to Grade 1 or to baseline, reduce dose as follows: previously on 140mg daily, resume at 100mg daily; previously on 100mg daily, resume at 60mg daily; previously on 60mg daily, resume at 60mg if tolerated, otherwise discontinue. Mild-to-moderate hepatic impairment: initially 80mg daily. Concomitant strong CYP3A4 inhibitors: reduce daily dose by 40mg; resume dose used prior to starting inhibitor 2–3 days after discontinuation of inhibitor. Concomitant strong CYP3A4 inducers: increase daily dose by 40mg; resume dose used prior to starting inducer 2–3 days after discontinuation of inducer. Max daily dose: 180mg.

Children:

Not studied.

Warnings/Precautions:

Permanently discontinue if the following occurs: GI or non-GI perforation/fistula formation, severe hemorrhage, serious arterial thromboembolic events (eg, MI, cerebral infarction), nephrotic syndrome, malignant hypertension, hypertensive crisis, persistent uncontrolled hypertension despite optimal medical management, osteonecrosis of the jaw, reversible posterior leukoencephalopathy syndrome. Recent history of hemorrhage, hemoptysis: avoid. Stop treatment at least 28 days prior to scheduled surgery (including invasive dental procedures); withhold dose if dehiscence or wound healing complications require medical intervention. Severe hepatic impairment: not recommended. Severe renal impairment. Monitor for bleeding, hypertension, proteinuria (measure urine protein regularly). Pregnancy. Females of reproductive potential should use effective contraception during and for 4 months after final dose. Nursing mothers: not recommended.

Interactions:

Avoid concomitant strong CYP3A4 inhibitors (eg, ketoconazole, itraconazole, clarithromycin, atazanavir, nefazodone, saquinavir, telithromycin, ritonavir, indinavir, nelfinavir, voriconazole, grapefruit or grapefruit juice) and strong CYP3A4 inducers (eg, phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, St. John’s Wort): see Adult dose. May be potentiated by MRP2 inhibitors (eg, abacavir, adefovir, cidofovir, furosemide, lamivudine, nevirapine, ritonavir, probenecid, saquinavir, tenofovir); monitor for increased toxicity.

Pharmacological Class:

Kinase inhibitor.

Adverse Reactions:

Diarrhea, stomatitis, palmar-plantar erythrodysesthesia syndrome, decreased weight/appetite, nausea, fatigue, oral pain, hair color changes, dysgeusia, hypertension, abdominal pain, constipation, increased AST, ALT, alkaline phosphatase, lymphopenia, hypocalcemia, neutropenia, thrombocytopenia, hypophosphatemia, hyperbilirubinemia.

Generic Availability:

NO

How Supplied:

140mg daily-dose carton—4 blister cards (each: 7x80mg and 21x20mg caps); 100mg daily-dose carton—4 blister cards (each: 7x80mg and 7x20mg caps); 60mg daily-dose carton—4 blister cards (each: 21x20mg caps)

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