FCN-159, a MEK1/2 inhibitor, in patients with advanced melanoma harboring NRAS mutations: A phase 1A dose-escalation study (AACR 2022)
FCN-159 was well tolerated and showed antitumor activity in patients with NRAS-mutant advanced melanoma. FCN-159 12 mg QD as a treatment for NRAS-mutant advanced melanoma warrants future investigation.Table. Confirmed best overall response >Tumor response was assessed by the investigators according to Response Evaluation Criteria in Solid Tumors version 1.1.BOR, best overall response; CBR, clinical benefit rate; CR, complete response; DOR, duration of response; NA, not applicable; NE, not evaluable; NR, not reached; ORR, objective response rate; PD, progressive disease; PR, partial response; SD, stable disease.