Risk Factors and Mechanisms for Persistent Postsurgical Pain After Total Knee Replacement (PPP-TKA)
Sponsor: Pfizer
This observational or N/A phase trial investigates Persistent Postsurgical Pain and is currently completed. Pfizer leads this study, which shows 13 recorded versions since 2011 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
13 versions recorded-
Sep 2024 — Present [monthly]
Completed
-
Jul 2024 — Sep 2024 [monthly]
Completed
-
Dec 2021 — Jul 2024 [monthly]
Completed
-
Oct 2021 — Dec 2021 [monthly]
Completed
-
Jan 2021 — Oct 2021 [monthly]
Completed
▶ Show 8 earlier versions
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Nov 2020 — Jan 2021 [monthly]
Completed
-
Jan 2020 — Nov 2020 [monthly]
Completed
-
Jun 2018 — Jan 2020 [monthly]
Completed
Status: Active Not Recruiting → Completed
-
May 2018 — Jun 2018 [monthly]
Active Not Recruiting
-
Apr 2018 — May 2018 [monthly]
Active Not Recruiting
Phase: NA → None
-
Oct 2017 — Apr 2018 [monthly]
Active Not Recruiting NA
Status: Recruiting → Active Not Recruiting
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Aug 2017 — Oct 2017 [monthly]
Recruiting NA
-
Jan 2017 — Aug 2017 [monthly]
Recruiting NA
First recorded
Mar 2011
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Pfizer
- Rush University Medical Center
For direct contact, visit the study record on ClinicalTrials.gov .