Overview The Effect of Oral PhenazopyrIdine on Perioperative Voiding After Mid-urethral sliNg (EPIPhANy Study) Status: Completed Trial end date: 2017-08-01 Target enrollment: Participant gender: Summary Randomized clinical trial using phenazopyridine to decrease voiding dysfunction after a retropubic midurethral sling operation. Phase: Phase 3 Details Lead Sponsor: University of Massachusetts, Worcester