50
Participants
Start Date
January 9, 2019
Primary Completion Date
December 21, 2023
Study Completion Date
December 21, 2023
Dacarbazine
Given IV
Doxorubicin Hydrochloride
Given IV
Laboratory Biomarker Analysis
Correlative studies
Pembrolizumab
Given IV
Vinblastine
Given IV
Fred Hutch/University of Washington Cancer Consortium, Seattle
University of Washington
OTHER