80
Participants
Start Date
May 7, 2021
Primary Completion Date
January 31, 2024
Study Completion Date
February 28, 2024
CB study arm
Included patients are randomized to receive cryobiopsy
FB-CB study arm
Included patients are randomized to receive forceps biopsy and cryobiopsy within the same session
University hospital Zurich, Zurich
University of Zurich
OTHER