(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

Depression and Physical Pain

This study is for people diagnosed with major depressive disorder who have pain that isn't related to a known medical condition. Participants may receive study medication and study-related procedures at no cost, and may be eligible for compensation.

The research site is in Sherman Oaks, Calif.

More information

Please see http://www.clinicalconnection.com/clinical_trials/condit.../depression.aspx.

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Ulcers

Candidates for this study must be 18 or older and currently have ulcers.

The research site is in Birmingham, Ala.

More information

Please see http://www.clinicalconnection.com/clinical_trials/co...tion/ulcers.aspx.

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Rheumatoid Arthritis

This study of an investigational drug is for people who take methotrexate for rheumatoid arthritis.

The research site is in Worcester, Mass.

More information

Please see http://www.clinicalconnection.com/clinical_trials/condition/rheuma...d_arthritis.aspx.

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