(HealthDay News) -- Here are the latest clinical trials, courtesy of CenterWatch:
Insomnia
Volunteers aged 21 and older in remission from cancer who have difficulty sleeping are needed for a study investigating the ability of an Internet intervention to reduce insomnia.
The research site is in Charlottesville, Va.
More information
Please see http://www.centerwatch.com/patient/studies/cat189.html. 
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Osteoarthritis
If you have osteoarthritis of the knee and are taking anti-inflammatory medication to relieve pain, you may qualify for this 14-week research study of an investigational topical gel.
The research site is in Rochester, N.Y.
More information
Please see http://www.centerwatch.com/patient/studies/cat109.html.
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Rash
If you are at least 18, have been prescribed an approved epidermal growth factor receptor inhibitor (EGFRI) to treat cancer, expect to begin this treatment within 14 days, and have a life expectancy of at least four months, you may qualify for this study.
The research site is in Chicago, Ill.
More information
Please see http://www.centerwatch.com/patient/studies/cat823.html.
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