(HealthDay News) -- Here are the latest clinical trials, courtesy of CenterWatch:

Influenza

If you are at least 18, have had a fever or other symptoms of flu -- including cough, sore throat, nasal congestion, muscle aches, headache and fatigue -- and can be seen at the clinic within 36 hours of when symptoms began, you may qualify for this study.

The research site is in Salt Lake City and West Jordan, Utah.

More information

Please see http://www.centerwatch.com/patient/studies/cat182.html.

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Erectile Dysfunction

If you are male, 18 or older, have diabetes 1 or 2, use anti-diabetic medications, and have had mild-to-severe erectile dysfunction for at least six months, you may qualify for this study.

The research site is in Ocala, Fla.

More information

Please see http://www.centerwatch.com/patient/studies/cat371.html.

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Osteoarthritis

If you are 55 or older, have a clinical diagnosis of osteoarthritis, and require daily anti-inflammatory therapy, you may qualify for this study.

The research site is in Tucson, Ariz.

More information

Please see http://www.centerwatch.com/patient/studies/cat109.html.

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