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

Autism

Candidates who meet DSM-IV criteria for autistic disorder and are aged 5 to 17 may qualify for this study.

The research site is in Voorhees, NJ

More information

Please see http://www.centerwatch.com/patient/studies/cat612.html.

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Crohn's Disease

If you are 18 or older with moderate-to-severe Crohn's disease and have a CDAI score of 220 to 450, you may qualify for this study.

The research site is in Burlington, VT

More information

Please see http://www.centerwatch.com/patient/studies/cat51.html.

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Rhinitis, Allergic, Perennial

If you have a history of moderate-to-severe seasonal allergic rhinitis symptoms and have a positive skin prick test for at least one grass allergen, you may qualify for this study.

The research site is in Lilburn, Ga.

More information

Please see http://www.centerwatch.com/patient/studies/cat804.html.

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