Completed PHASE3 INTERVENTIONAL 2-arm NCT00298974

A Study of Pain Relief in Osteoarthritis

A Phase 3, Randomized, Multicenter, Double-blind Study Comparing the Analgesic Efficacy of Extended Release Hydrocodone/Acetaminophen Tablets (Vicodin CR) to Placebo in Subjects With Osteoarthritis

Sponsor: Abbott

Conditions Osteoarthritis

Interventions Placebo hydrocodone / acetaminophen extended release

Updated 7 times since 2017 Last updated: Jan 24, 2011 Started: Feb 28, 2006 Primary completion: May 31, 2007 Completion: May 31, 2007

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

This PHASE3 trial investigates Osteoarthritis and is currently completed. Abbott leads this study, which shows 7 recorded versions since 2006 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE3
Sep 2024 — Sep 2025 [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE3

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed PHASE3
Jan 2017 — Feb 2017 [monthly]

Completed PHASE3

First recorded

Feb 2006

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Abbott

Data source: Abbott

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

Study Locations

Anaheim, United States , Austin, United States , Biloxi, United States , Birmingham, United States , Brockton, United States , Buena Park, United States , Centerville, United States , Chesapeake, United States , Chicago, United States , Cincinnati, United States and 61 more locations