Expired Study
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Clinical Trial 11191

Chicago, IL 60631


Study Summary:

Acurian is a company that recruits people for clinical research studies. We are currently working with a pharmaceutical company to find individuals whose prescription pain medications (opioid medications) may be causing constipation and who are willing to participate in a clinical research study in your area.

If you or a loved one has constipation that may be caused by prescription pain medication (opioid medications), we’d like to share information about this study, including the following potential benefits if you qualify to participate:

  • Study-related care from a local study doctor
  • Study-related health assessments
  • Investigational study medication or placebo
For more information, please visit Opioid Induced Constipation Questionnaire at any time, or call toll-free 1-866-320-8540 between 8 AM and 10 PM Eastern time, Monday through Friday.statistics in vBulletin


Clinical trials are medical research studies designed to test the safety and/or effectiveness of new investigational drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.