Buprenorphine Transdermal Patches (BTDS) in Subjects With Osteoarthritis Pain. Includes a 52-week Extension Phase.

This study has been terminated.
(This study was terminated early due to administrative reasons.)
Sponsor:
Information provided by (Responsible Party):
Purdue Pharma LP
ClinicalTrials.gov Identifier:
NCT00320801
First received: April 28, 2006
Last updated: August 27, 2012
Last verified: August 2012
Results First Received: July 28, 2010  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Investigator);   Primary Purpose: Treatment
Condition: Osteoarthritis
Intervention: Drug: Buprenorphine transdermal patch

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
07-Jan-2004 (First subject first visit); 09-Mar-2005 (last subject last visit of extension [subjects went directly into the extension upon completion of the double-blind phase]) at 42 sites in the United States (US).

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Adult subjects (≥ 40 years), with osteoarthritis (OA) of the hip, knee or spine for longer than 1 year, controlled on oral opioid therapy, who met the inclusion/exclusion criteria specified in the protocol. The open-label run-in period (N = 188) selected subjects who tolerated BTDS 20 mcg/h and showed stable pain control (N = 96 completed).

Reporting Groups
  Description
Run-in Period (≤14 days). The run-in period was designed to select subjects who tolerated and responded to BTDS 20. Subjects were eligible to enter the double-blind phase if they tolerated BTDS 20 and achieved stable analgesia.
Double-blind BTDS 5 Reference treatment: Buprenorphine transdermal patch 5 mcg/h applied for 7-day wear
Double-blind BTDS 20 Test treatment: buprenorphine transdermal patch 20 mcg/h applied for 7-day wear
Extension Phase Subjects received open-label buprenorphine transdermal patch 5, 10 or 20 mcg/h applied for 7-day wear for up to 52 weeks.

Participant Flow for 3 periods

Period 1:   Open-label Run-in Period
    Run-in Period     Double-blind BTDS 5     Double-blind BTDS 20     Extension Phase  
STARTED     188     0     0     0  
COMPLETED     96     0     0     0  
NOT COMPLETED     92     0     0     0  
Withdrawal by Subject                 2                 0                 0                 0  
Adverse Event                 33                 0                 0                 0  
Administrative                 10                 0                 0                 0  
Lack of Efficacy                 44                 0                 0                 0  
Lost to Follow-up                 2                 0                 0                 0  
Did not qualify                 1                 0                 0                 0  

Period 2:   Double-blind Phase
    Run-in Period     Double-blind BTDS 5     Double-blind BTDS 20     Extension Phase  
STARTED     0     47     49     0  
COMPLETED     0     36     35     0  
NOT COMPLETED     0     11     14     0  
Withdrawal by Subject                 0                 0                 1                 0  
Adverse Event                 0                 2                 8                 0  
Administrative                 0                 0                 4                 0  
Lack of Efficacy                 0                 9                 1                 0  

Period 3:   Extension Phase
    Run-in Period     Double-blind BTDS 5     Double-blind BTDS 20     Extension Phase  
STARTED     0     0     0     55  
COMPLETED     0     0     0     7  
NOT COMPLETED     0     0     0     48  
Withdrawal by Subject                 0                 0                 0                 6  
Adverse Event                 0                 0                 0                 8  
Administrative                 0                 0                 0                 29  
Lack of Efficacy                 0                 0                 0                 2  
Lost to Follow-up                 0                 0                 0                 3  



  Baseline Characteristics
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Reporting Groups
  Description
Double-blind BTDS 5 Reference treatment: Buprenorphine transdermal patch 5 mcg/h applied for 7-day wear
Double-blind BTDS 20 Test treatment: Buprenorphine transdermal patch 20 mcg/h applied for 7-day wear
Total Total of all reporting groups

Baseline Measures
    Double-blind BTDS 5     Double-blind BTDS 20     Total  
Number of Participants  
[units: participants]
  47     49     96  
Age  
[units: years]
Mean ± Standard Deviation
  58.1  ± 11.65     61.1  ± 11.72     59.6  ± 11.72  
Gender  
[units: participants]
     
Female     34     28     62  
Male     13     21     34  



  Outcome Measures

1.  Primary:   The Number of Participants With Adverse Events (AEs) as a Measure of Safety.   [ Time Frame: Throughout BTDS exposure (Includes run-in period, double-blind phase and extension phase) ]


  Serious Adverse Events


  Other Adverse Events


  More Information
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Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked Other disclosure agreement that restricts the right of the PI to discuss or publish trial results after the trial is completed.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
Study terminated due to administrative reasons. The primary objective was changed to a safety study prior to unblinding.  


Results Point of Contact:  
Name/Title: Clinical Leader, Executive Medical Director
Organization: Purdue Pharma L.P.
phone: 800-733-1333


No publications provided


Responsible Party: Purdue Pharma LP
ClinicalTrials.gov Identifier: NCT00320801     History of Changes
Obsolete Identifiers: NCT01137422
Other Study ID Numbers: BUP3014 and BUP3014S
Study First Received: April 28, 2006
Results First Received: July 28, 2010
Last Updated: August 27, 2012
Health Authority: United States: Food and Drug Administration