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Clinical Trial Summary

The primary purpose of the study was to test the efficacy of 2 tablets (twice daily) of ABT-712, compared to placebo, administered over a 4-week period in participants with moderate to severe mechanical chronic low back pain (CLBP).


Clinical Trial Description

The study used a randomized withdrawal design with an open label (OL) period prior to a double-blind (DB) period. Participants who were receiving benefit and were tolerating ABT-712 during the OL period were randomized into the DB period. Study drug was given for a total of 8 weeks, which included up to 3 weeks in OL, up to 4 weeks in DB, and a 1-week DB taper. During the OL period, all participants took increasing doses of ABT-712 until they were taking 2 tablets, twice daily. During the DB period, participants in the ABT-712 group took 2 ABT-712 tablets, twice daily throughout the 4 weeks, while participants in the placebo group took 2 placebo tablets twice daily. ;


Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00761150
Study type Interventional
Source AbbVie
Contact
Status Completed
Phase Phase 3
Start date September 2008
Completion date March 2009

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