(HealthDay News) -- Here are the latest clinical trials, courtesy of CenterWatch:
Heartburn
If you have nighttime heartburn and have a history of related sleep disturbances, you may qualify for this study of an investigational medication.
The research site is in Overland Park, Kan.
More information
Please see http://www.centerwatch.com/patient/studies/cat175.html 
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Irritable Bowel Syndrome (IBS)
If you have IBS symptoms including abdominal cramps, bloating, constipation, or diarrhea, you may qualify for this study of an investigational medication.
The research site is in Chandler, Ariz.
More information
Please see http://www.centerwatch.com/patient/studies/cat90.html .
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Depression
If you have obstructive sleep apnea and depression, and are on anti-depressant and CPAP therapy, you may qualify for this study.
The research site is in Tampa, Fla.
More information
Please see http://www.centerwatch.com/patient/studies/cat164.html .
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