Envafolimab Combined With Recombinant Human Endostatin and First-line Chemotherapy Treat of Advanced Mucosal Melanoma

"Envafolimab: 300mg day1, s.c. Q3W; Recombinant human endostatin: 210mg day1, Intravenous pump for 72 hours, Q3W; Temozolomide: 150 mg/m2 d1-5, i.v. Q3W; Cisplatin: 25 mg/m2 d1-3, i.v. Q3W.~All of the above drugs were used for 6 cycles, and then Envafolimab and recombinant human endostatin continued only in patients with no progression in the first stage until disease progression as defined by RECIST1.1, unacceptable toxicity, withdrawal from the study or death, or no more than 2 years."