20
Participants
Start Date
May 31, 2004
Primary Completion Date
June 30, 2009
Study Completion Date
September 30, 2010
Botox
Botox 25 international units per injection injected in two places in the bladder neck, with option to inject two other tender points with 25 units each
normal saline
Normal saline injected into the bladder neck via the perineum, 1 cc each given at positions 3 o'clock and 9 o'clock
Paul G. Allen Family Foundation
OTHER
University of Washington
OTHER