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

Depression

This study will evaluate the safety and effectiveness of H-coil deep trans-cranial magnetic stimulation for people with major depressive disorder who have been unsuccessfully treated with antidepressant medications.

The research site is in Los Angeles, Calif.

More information

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

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Chronic Constipation

This study will evaluate an investigational drug for chronic constipation. You must be aged 20 to 80 and have fewer than three bowel movements per week to qualify.

The research site is in Albuquerque, N.M.

More information

Please see http://www.clinicalconnection.com/clinical_trials/conditio...onstipation.aspx.

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Alzheimer's Disease

This study is for people diagnosed with mild-to-moderate Alzheimers disease who are taking a stable dose of Aricept alone, or Aricept and Namenda. Participants receive all study-related physician visits, lab tests and study drug at no cost, plus compensation for time and travel.

The research site is in Phoenix, Ariz.

More information

Please see http://www.clinicalconnection.com/clinical_trials/condition/alzhe...r's_disease.aspx.

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