Stivarga
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Questions & Answers
Side Effects & Adverse Reactions
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Legal Issues
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FDA Safety Alerts
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Manufacturer Warnings
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FDA Labeling Changes
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Uses
Stivarga® is indicated for the treatment of patients with metastatic colorectal cancer (CRC) who have been previously treated with fluoropyrimidine-, oxaliplatin- and irinotecan-based chemotherapy, an anti-VEGF therapy, and, if KRAS wild type, an anti-EGFR therapy.
Stivarga is indicated for the treatment of patients with locally advanced, unresectable or metastatic gastrointestinal stromal tumor (GIST) who have been previously treated with imatinib mesylate and sunitinib malate.
History
There is currently no drug history available for this drug.
Other Information
Stivarga (regorafenib) has the chemical name 4-[4-({[4-chloro-3-(trifluoromethyl) phenyl] carbamoyl} amino)-3-fluorophenoxy]-N-methylpyridine-2-carboxamide monohydrate. Regorafenib has the following structural formula:
Regorafenib is a monohydrate and it has a molecular formula C21H15ClF4N4O3 • H2O and a molecular weight of 500.83. Regorafenib is practically insoluble in water, slightly soluble in acetonitrile, methanol, ethanol, and ethyl acetate and sparingly soluble in acetone.
Stivarga tablets for oral administration are formulated as light pink oval shaped tablets debossed with "BAYER" on one side and "40" on the other. Each tablet contains 40 mg of regorafenib in the anhydrous state, which corresponds to 41.49 mg of regorafenib monohydrate, and the following inactive ingredients: cellulose microcrystalline, croscarmellose sodium, magnesium stearate, povidone, and colloidal silicon dioxide. The film-coating contains the following inactive ingredients: ferric oxide red, ferric oxide yellow, lecithin (soy), polyethylene glycol 3350, polyvinyl alcohol, talc, and titanium dioxide.
Sources
Stivarga Manufacturers
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Bayer Healthcare Pharmaceuticals Inc.
![Stivarga (Regorafenib) Tablet, Film Coated [Bayer Healthcare Pharmaceuticals Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Stivarga | Bayer Healthcare Pharmaceuticals Inc.
2.1 Recommended DoseThe recommended dose is 160 mg regorafenib (four 40 mg tablets) taken orally once daily for the first 21 days of each 28-day cycle. Continue treatment until disease progression or unacceptable toxicity.
Take Stivarga at the same time each day. Swallow tablet whole with water after a low-fat meal that contains less than 600 calories and less than 30% fat [see Clinical Pharmacology (12.3)]. Do not take two doses of Stivarga on the same day to make up for a missed dose from the previous day.
2.2 Dose ModificationsInterrupt Stivarga for the following:
• NCI CTCAE Grade 2 hand-foot skin reaction (HFSR) [palmar-plantar erythrodysesthesia (PPE)] that is recurrent or does not improve within 7 days despite dose reduction; interrupt therapy for a minimum of 7 days for Grade 3 HFSR • Symptomatic Grade 2 hypertension • Any NCI CTCAE Grade 3 or 4 adverse reactionReduce the dose of Stivarga to 120 mg:
• For the first occurrence of Grade 2 HFSR of any duration • After recovery of any Grade 3 or 4 adverse reaction • For Grade 3 aspartate aminotransferase (AST)/alanine aminotransferase (ALT) elevation; only resume if the potential benefit outweighs the risk of hepatotoxicityReduce the dose of Stivarga to 80 mg:
• For re-occurrence of Grade 2 HFSR at the 120 mg dose • After recovery of any Grade 3 or 4 adverse reaction at the 120 mg dose (except hepatotoxicity)Discontinue Stivarga permanently for the following:
• Failure to tolerate 80 mg dose • Any occurrence of AST or ALT more than 20 times the upper limit of normal (ULN) • Any occurrence of AST or ALT more than 3 times ULN with concurrent bilirubin more than 2 times ULN • Re-occurrence of AST or ALT more than 5 times ULN despite dose reduction to 120 mg • For any Grade 4 adverse reaction; only resume if the potential benefit outweighs the risks
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