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

Chronic Pain

If you have advanced active cancer for which there is no known curative therapy, and have a clinical diagnosis of cancer related pain that is not alleviated with current opioid treatment, you may qualify for this study.

The research site is in Chestnut Hill, Mass.

More information

Please see http://www.centerwatch.com/patient/studies/cat45.html.

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Non-Hodgkin's Lymphoma

If you are 18 or older, have histologically confirmed follicular Grade 1-3a NHL, and have bi-dimensionally measurable disease with at least 1 lesion at least 2.0 cm in a single dimension, you may be eligible for this study.

The research site is in Seattle, Wash.

More information

Please see http://www.centerwatch.com/patient/studies/cat203.html.

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Hot Flashes

If you are a postmenopausal woman, aged 18 to 70, who has moderate-to -severe hot flashes, you may qualify for this study.

The research site is in Plano, Texas.

More information

Please see http://www.centerwatch.com/patient/studies/cat309.html.

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