Ulixertinib has an acceptable safety profile with favorable pharmacokinetics and has shown early evidence of clinical activity in NRAS- and BRAF V600- and non-V600-mutant solid-tumor malignancies….In 19 such patients with BRAF-mutant melanoma previously treated with a BRAF and/or MEK inhibitor, 3 (15%) achieved a PR, 6 had stable disease, and 10 had progressive disease as a best response.