Expired Study
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Clinical Trial 11570

Owings Mills, MD 21117


Study Summary:

Is your prescription pain medication (opioid) causing constipation?

Constipation is a common side effect of opioid medications. You may have opioid-induced constipation (OIC) if you have any of these common symptoms:

  • Infrequent bowel movements
  • Hard stools
  • Straining
  • Incomplete emptying of the bowels
If you are 18 years of age or older you may qualify to participate in a research study that will evaluate the safety and efficacy of an investigational medication to relieve OIC.


Qualified Participants Must:

• Be 18 years of age or older
• Be currently taking opioid (narcotic) pain medication, and experiencing constipation symptoms


Qualified Participants May Receive:

Study-related care medical care and health assessments, study-related investigational medication, and compensation of up to $50 per completed study visit.


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.