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

Parkinson’s Disease

This is a clinical study of bilateral stimulation of the subthalamic nucleus (STN) to treat symptoms of advanced levodopa-responsive Parkinson’s disease that are not adequately controlled with medication. Volunteers 18-80 who have been diagnosed with Parkinson’s for at least five years may be eligible. Patients will not qualify for this study if they have a pacemaker or prosthesis or have a history of seizures. Other criteria apply. The research site is in New York City.

More information

Please see http://www.centerwatch.com/patient/studies/cat117.html.

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Lactose Intolerance

Do dairy products cause stomach pain, nausea, or gas? Research Testing Laboratories is seeking volunteers 18-75 to participate in a clinical trial of a currently marketed supplement to treat symptoms of lactose intolerance. The research sites are in Huntington and Great Neck, N.Y.

More information

Please companies see http://www.centerwatch.com/patient/studies/cat752.html.

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Alzheimer’s Disease

Novartis Pharmaceuticals Corp. is conducting a clinical research trial to find out if the investigational combination of two FDA-approved drugs — rivastigmine tartrate and memantine HCI — is safe and effective. Candidates 50-85 who have Alzheimer’s disease with dementia and do not have an active seizure disorder or major depression that is not controlled by medication may qualify. Research sites are located across the United States.

More information

Please see http://www.centerwatch.com/patient/studies/cat11.html.

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