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

Rhinitis, Allergic, Perennial

If you are 12 or older, have had seasonal allergic rhinitis for at least two years, have symptoms at the time of screening, and are in general good health, you may qualify for this study.

The research site is in Waco, Texas.

More information

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

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Lymphomas

If you are 18 or older, and have confirmed diffuse large B-cell lymphoma, transformed follicular lymphoma, diffuse mixed cell lymphoma, or primary mediastinal large cell lymphoma with B-cell lineage, you may qualify for this study.

The research site is in Philadelphia, Penn.

More information

Please see http://www.centerwatch.com/patient/studies/cat95.html.

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Gastroesophageal Reflux Disease (GERD)

If your child is hospitalized, aged 17 or younger, and requires acid suppression therapy to treat suspected, symptomatic or proven GERD, the child may qualify for this study.

The research site is in New Brunswick, N.J.

More information

Please see http://www.centerwatch.com/patient/studies/cat70.html.

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