SPL Set ID: fd638e5e-8032-e7ca-0179-95e96ab5d387

GILOTRIF tablets contain afatinib, a tyrosine kinase inhibitor which is a 4-anilinoquinazoline. Afatinib is presented as the dimaleate salt, with the chemical name 2-butenamide, N -[4-[(3-chloro-4-fluorophenyl)amino]-7-[[(3 S )-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]-4-(dimethylamino)-,(2 E )-, (2 Z )-2-butenedioate (1:2). Its structural formula is: Afatinib dimaleate is a white to brownish yellow powder, water soluble and hygroscopic, with an empirical formula of C 32 H 33 ClFN 5 O 11 , and a molecular weight of 718.1 g/mol. GILOTRIF tablets for oral administration are available in 40 mg, 30 mg, or 20 mg of afatinib (equivalent to 59.12 mg, 44.34 mg, or 29.56 mg afatinib dimaleate, respectively). The inactive ingredients of GILOTRIF are the following: Tablet Core: lactose monohydrate, microcrystalline cellulose, crospovidone, colloidal silicon dioxide, magnesium stearate and Coating: hypromellose, polyethylene glycol, titanium dioxide, talc, polysorbate 80, FD&C Blue No. 2 (40 mg and 30 mg tablets only). Chemical Structure