Expired Study
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Clinical Trial 14226

San Antonio, TX 78229


Study Summary:

We are conducting a clinical research study that is looking at whether an investigational medication is suitable in treating both moderate to severe chronic low back pain and constipation. If you decide to join this study, you will be asked to stop taking your current opioid medication. Instead, you will receive the investigational medication, a currently available medication or placebo (which looks the same as the investigational medication but contains no actual medication). You will have a one in three chance of receiving the investigational medication. You will be asked to take the medication twice a day. You will also need to complete a Patient Study Diary every day with information about your bowel movements, pain levels, and use of medications.


Qualified Participants Must:

• Be 18 years of age or older
• Be taking prescription pain medication for moderate to severe low back pain
• Have experienced symptoms of constipation from your pain medication


Qualified Participants May Receive:

Compensation for time and travel.


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.