Sunitinib rechallenge in metastatic renal cell carcinoma patients was assessed.
Median PFS was 18.4 and 7.9 months with first-line sunitinib and rechallenge.
Sunitinib rechallenge safety was as expected with no new adverse events reported.
Sunitinib rechallenge is feasible with potential clinical benefit.
Initial progression with sunitinib may not be associated with absolute resistance.