Adult GIST & MRCC 50 mg once daily for 4 consecutive wk, followed by 2-wk rest period (schedule 4/2) to comprise complete cycle of 6 wk. Max daily dose: 75 mg; or down to 25 mg.
pNET 37.5 mg once daily w/o scheduled rest period. Max daily dose: 50 mg.
Co-administration w/ potent CYP3A4 inducer (eg, rifampicin) May increase sunitinib in 12.5 mg increments to max of 87.5 mg (GIST & RCC) or 62.5 mg (pNET) daily.
Co-administration w/ potent CYP3A4 inhibitor (eg, ketoconazole) May reduce sunitinib in 12.5 mg decrements to min of 37.5 mg (GIST & RCC) or 25 mg (pNET) daily.