A Phase II Clinical Trial to Evaluate HLX208 in Advanced Melanoma Patients With BRAF V600 Mutation

Inclusion Criteria: * Age\>=18Y * Good Organ Function * Expected survival time ≥ 3 months * advanced melanoma with BRAF V600 mutation that have been diagnosed * ECOG score 0-1; Exclusion Criteria: * Previous treatment with BRAF inhibitors or MEK inhibitors * Symptomatic brain or meningeal metastases (unless the patient has beenon \> treatment for 3 months, has no evidence of progress on imagingwithin 4 weeks prior to initial administration, and tumor-related clinicalsymptoms are stable). * Severe active infections requiring systemic anti-infective therapy * A history of other malignancies within two years, except for cured carcinoma in situ of the cervix or basal cell carcinoma of the skin.