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Study to Test the Effectiveness of Controlled-Release OROS® Hydromorphone HCl Compared to Placebo in Patients With Chronic Low Back Pain

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT00549042
Recruitment Status : Completed
First Posted : October 25, 2007
Last Update Posted : March 21, 2012
Sponsor:
Information provided by (Responsible Party):
Mallinckrodt

Results Submitted - Not Posted on ClinicalTrials.gov
Results information has been submitted to ClinicalTrials.gov by the sponsor or investigator, but is not yet publicly available (or "posted") on ClinicalTrials.gov. The submitted information may not be available if it is pending Quality Control (QC) Review by the National Library of Medicine (NLM) or if issues identified during QC review are being addressed or corrected by the sponsor or investigator. NLM's limited QC review assesses for apparent errors, deficiencies, or inconsistencies. NLM staff do not verify the scientific validity or relevance of the submitted information.
  Recruitment Status : Completed
  Primary Completion Date : January 2009
  Study Completion Date : January 2009

Submission Cycle Results Submitted to ClinicalTrials.gov Results Returned after Quality Control Review
1 April 4, 2012  
2 May 3, 2012 June 11, 2012
3 July 13, 2012 August 28, 2012
4 August 16, 2016 October 10, 2016