Terminated OBSERVATIONAL NCT03294174

Opioid Induced Loss of Local Anesthetic Potency in Patients Undergoing Total Knee Arthroplasty

Opioid Induced Loss of Local Anesthetic Potency in Patients Undergoing Total Knee

Sponsor: University of Pittsburgh

Conditions Opioid Tolerance, Opioid Naive, Opioid Exposure

Updated 10 times since 2017 Last updated: Nov 7, 2018 Primary completion: Jun 30, 2017 Completion: Jun 30, 2017

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Responsible Investigator left institution

Other terminated trials from University of Pittsburgh

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This observational or N/A phase trial investigates Opioid Tolerance, Opioid Naive, Opioid Exposure and is currently terminated or withdrawn. University of Pittsburgh leads this study, which shows 10 recorded versions since 2026 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

10 versions recorded

Sep 2024 — Present [monthly]

Terminated
Jul 2024 — Sep 2024 [monthly]

Terminated
Dec 2021 — Jul 2024 [monthly]

Terminated
Jan 2021 — Dec 2021 [monthly]

Terminated
Nov 2020 — Jan 2021 [monthly]

Terminated

▶ Show 5 earlier versions

Dec 2018 — Nov 2020 [monthly]

Terminated

Status: Recruiting → Terminated
Jun 2018 — Dec 2018 [monthly]

Recruiting
May 2018 — Jun 2018 [monthly]

Recruiting
Apr 2018 — May 2018 [monthly]

Recruiting

Phase: NA → None
Oct 2017 — Apr 2018 [monthly]

Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Pittsburgh

Data source: University of Pittsburgh

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Pittsburgh, United States