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

Early Parkinson's Disease

This study will evaluate whether people taking an investigational drug show greater symptomatic improvement compared to participants given a placebo. Candidates must be aged 30 to 85 and have been diagnosed with Parkinson's no more than five years ago.

The research site is in Dayton, Ohio.

More information

Please see http://www.clinicalconnection.com/clinical_trials/condition/parki...n's_disease.aspx.

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Crohn's Disease

This study will evaluate an investigational drug for Crohn's disease. Qualified participants will receive study-related medical exams and care, study medication, and compensation up to $300.

The research site is in Raleigh, N.C.

More information

Please see http://www.clinicalconnection.com/clinical_trials/condition/c...n's_disease.aspx.

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Bipolar Depression

This study will evaluate an investigational drug for people diagnosed with bipolar disorder.

The research site is in Albuquerque, N.M.

More information

Please see http://www.clinicalconnection.com/clinical_trials/condition/bipo..._depression.aspx.

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