A Clinical Study in Patients With Overactive Bladder With Leakage of Urine, to Find Out if the Medicine, Fesoterodine, Works in Those Patients Who Did Not Have Enough Response to the Medicine, Tolterodine.
A 14 Week Randomized Parallel Group Placebo-Controlled Double-Blind Multicentre Study Of Fesoterodine 8 Mg In Overactive Bladder Patients With Sub-Optimal Response To Tolterodine 4 Mg Extended Release (ER).
Sponsor: Pfizer
This PHASE4 trial investigates Urinary Bladder, Overactive and is currently completed. Pfizer leads this study, which shows 8 recorded versions since 2011 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
8 versions recorded-
Sep 2025 — Present [monthly]
Completed PHASE4
-
Sep 2024 — Sep 2025 [monthly]
Completed PHASE4
-
Jul 2024 — Sep 2024 [monthly]
Completed PHASE4
-
Jan 2021 — Jul 2024 [monthly]
Completed PHASE4
-
Jan 2019 — Jan 2021 [monthly]
Completed PHASE4
▶ Show 3 earlier versions
-
Jun 2018 — Jan 2019 [monthly]
Completed PHASE4
-
Feb 2017 — Jun 2018 [monthly]
Completed PHASE4
-
Jan 2017 — Feb 2017 [monthly]
Completed PHASE4
First recorded
May 2011
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Pfizer
For direct contact, visit the study record on ClinicalTrials.gov .