Effect of Guanfacine on Opioid-induced Hyperalgesia (OIH) and Tolerance

This study has been withdrawn prior to enrollment.
(Not yet approved for NIH funding)
Sponsor:
Collaborator:
Information provided by (Responsible Party):
Jianren Mao, MD, PhD, Massachusetts General Hospital
ClinicalTrials.gov Identifier:
NCT01681264
First received: August 31, 2012
Last updated: May 29, 2013
Last verified: May 2013
No Study Results Posted on ClinicalTrials.gov for this Study
Study was withdrawn before participants were enrolled.
  Study Status: This study has been withdrawn prior to enrollment.
  Estimated Study Completion Date: December 2015
  Estimated Primary Completion Date: December 2015 (Final data collection date for primary outcome measure)