(HealthDay News) -- Here are the latest clinical trials, courtesy of Thomson CenterWatch:
Shingles
If you are at least 18 and have symptoms of shingles (herpes zoster) including a rash, you may qualify to participate in this study.
The research site is in Sarasota, Fla.
More information
Please see http://www.centerwatch.com/patient/studies/cat225.html 
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Hot Flash
If you are a woman 40 or older, have no had a period for at least six months or have not had a period due to surgery within the past six weeks, and have regular moderate-to-severe hot flashes, you may qualify to participate in this study.
The research site is in Lexington, Ky.
More information
Please see http://www.centerwatch.com/patient/studies/cat309.html .
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Erectile Dysfunction
If you are a man with erectile dysfunction, and ED medications have not helped your condition, you may qualify to participate in this study.
The research site is in San Antonio, Texas.
More information
Please see http://www.centerwatch.com/patient/studies/cat371.html .
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