16
Participants
Start Date
June 8, 2016
Primary Completion Date
September 24, 2020
Study Completion Date
August 3, 2021
Pembrolizumab
Brachytherapy
Endoscopic biopsy
Computed tomography-guided biopsy
Peripheral blood collection
Washington University School of Medicine, St Louis
Merck Sharp & Dohme LLC
INDUSTRY
Washington University School of Medicine
OTHER