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Clinical Trial Summary

The primary purpose of this study was to evaluate the analgesic effect and safety of hydrocodone/acetaminophen extended release compared to placebo.


Clinical Trial Description

This phase 2, multicenter, double-blind (DB), placebo-controlled, randomized withdrawal study compared the analgesic efficacy and safety of hydrocodone/acetaminophen extended release to placebo in subjects with moderate to moderately severe chronic lower back pain (CLBP). Participants met pre-defined criteria at the conclusion of the open-label (OL) Titration Period to proceed to randomization into the double-blind (DB) Maintenance Period of the study. Study drug was given for a total of approximately 5 weeks, which included 2 weeks in OL, 2 weeks in DB, and a 3-day taper. During the OL period, all participants took increasing doses of hydrocodone/acetaminophen extended release until they were taking 2 tablets, twice daily. During the DB period, participants in the hydrocodone/acetaminophen extended release group took 1 hydrocodone/acetaminophen extended release tablet twice daily throughout the 2 weeks, while participants in the placebo group took 1 placebo tablet twice daily. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01364922
Study type Interventional
Source AbbVie
Contact
Status Completed
Phase Phase 2
Start date June 2011
Completion date October 2011

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