Titration Study to Evaluate Efficacy and Satisfaction of Viagra in Men With Erectile Function.
A Prospective Multicenter, Parallel Group Study With A Single Blind Phase And A Double Blind Randomised Phase, To Evaluate The Efficacy And Satisfaction Of Viagra (Sildenafil Citrate) High Dose (100mg) Titration Compared With 50mg Dose, In Men With Erectile Dysfunction
Sponsor: Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
A PHASE4 clinical study on Impotence, this trial is completed. The trial is conducted by Pfizer's Upjohn has merged with Mylan to form Viatris Inc. and has accumulated 7 data snapshots since 2005. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Change History
7 versions recorded-
Sep 2025 — Present [monthly]
Completed PHASE4
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Sep 2024 — Sep 2025 [monthly]
Completed PHASE4
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Jul 2024 — Sep 2024 [monthly]
Completed PHASE4
-
Mar 2021 — Jul 2024 [monthly]
Completed PHASE4
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Jan 2021 — Mar 2021 [monthly]
Completed PHASE4
▶ Show 2 earlier versions
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Jun 2018 — Jan 2021 [monthly]
Completed PHASE4
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Jan 2017 — Jun 2018 [monthly]
Completed PHASE4
First recorded
Oct 2005
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
Alicante, Spain, Ashford, United Kingdom, Barcelona, Spain, Bath, United Kingdom, Beersheba, Israel, Belmont, United Kingdom, Bologna, Italy, Chippenham, United Kingdom, Coventry, United Kingdom, Doncaster, United Kingdom and 29 more location s