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NCT00531427 · ClinicalTrials.gov registry record · Phase 3

Buprenorphine Transdermal System (BTDS) in Subjects w/Mod-sev Osteoarthritis (OA) Chronic Pain of Knee

A Phase 3 study, sponsored by Purdue Pharma.

Completed
Registry status
Phase 3
Development phase
567
Enrollment target

NCT00531427: Completed Phase 3 study, sponsored by Purdue Pharma.

NCT00531427 is a Phase 3 study that has completed, run by Purdue Pharma. The registered enrollment target is 567 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (27% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00531427, a Phase 3 study, has completed, sponsored by Purdue Pharma.

COMPLETED
Registry status
Phase 3
Development phase
567 participants
Enrollment target

Study Summary

The objective of this study is to determine the analgesic efficacy and safety of Buprenorphine Transdermal System (BTDS) 10 and 20 compared to placebo in opioid-naïve subjects with moderate to severe chronic pain due to osteoarthritis (OA) of the knee. The double-blind treatment intervention duration is 12 weeks, during which time supplemental analgesic medication (immediate-release oxycodone for the first 6 days postrandomization and acetaminophen or ibuprofen for the remainder of the double-blind phase) will be provided to all subjects in addition to study drug.

Primary Outcome

"Average pain over the last 24 hours" scores of the study knee at week 12 was evaluated on an 11-point scale: 0 = no pain, 10 = worst pain imaginable, recorded daily.

Interventions

  • DRUG Placebo
  • DRUG Buprenorphine

Trial Details

FieldValue
Enrollment Target 567 participants
Start Date 2007-09
Est. Completion 2009-11
Phase Phase 3
Purdue Pharma

54 total trials

What the finished NCT00531427 record still lists

NCT00531427 is an interventional study that assigns participants to a tested intervention. The registered 567 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (27% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT00531427 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00531427 about?

NCT00531427 is a clinical study titled "Buprenorphine Transdermal System (BTDS) in Subjects w/Mod-sev Osteoarthritis (OA) Chronic Pain of Knee". The objective of this study is to determine the analgesic efficacy and safety of Buprenorphine Transdermal System (BTDS) 10 and 20 compared to placebo in opioid-naïve subjects with moderate to severe chronic pain due to osteoarthritis (OA) of the knee. The double-blind treatment intervention duratio...

What is the current status of trial NCT00531427?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 567 participants. The study started on 2007-09. Estimated completion is 2009-11.

What interventions are being tested in trial NCT00531427?

The interventions under investigation include: Placebo (DRUG), Buprenorphine (DRUG).

Who is sponsoring clinical trial NCT00531427?

This trial is sponsored by Purdue Pharma, which has 54 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00531427's enrollment target sits among peer trials

567 667th of 2000 higher than 1,334 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00531427, the US trial registry maintained by the National Library of Medicine. NCT00531427 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.