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Browse Clinical Trials


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Participant Stories

“I participate because it is the right thing to do, for myself, for my children, and for the millions of people who have Parkinson’s disease.  Without participation there will be no cure.” –Mike, Diagnosed 7 years

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Recently Diagnosed with Parkinson's Disease?

If you have recently been diagnosed with Parkinson’s disease (PD) understanding the disease, and learning about the resources available to you, are good first steps.

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Browse Clinical Trials by Type

Every clinical study has different objectives. Some trials test new treatments while others seek to answer questions about the disease through observation.

In an interventional trial, the investigators give the participants a particular investigational drug or other intervention, which may include a gene transfer, vaccine, device, or procedure, such as surgery. The intervention may or may not be assigned randomly, and sometimes treated individuals might be compared with those who receive no treatment. The researchers then measure how the health of the participant changes. Interventional trials determine whether experimental treatments or new ways of using known therapies are safe and effective.

In an observational study, there is no intervention. Studies that examine brain or motor activity, or genetic or environmental factors, may fall into this category. These studies are often done to better understand PD, which is an important part of developing new treatments, therapies, or preventions. Participants in observational studies do not receive investigational treatment for their disease.

To view a list of trials by trial type, use the drop-down menu below.

Study enrolling people without Parkinson's

Search Results: Observation (No intervention)

22 trials found. Displaying results 1-10

Date Posted: Study Title: Locations: Type of Study: Symptoms Addressed:
Sep 08 2009 Accepts Healthy Participants Using Heavy Water to Study Cell Dynamics in Parkinson’s Disease CA Observation (No intervention) Study does not address symptoms
Aug 18 2009 Unveiling the Natural History of Quality of Life and Mobility Decline in Persons with Parkinson’s Disease AL, MA, MO, UT Observation (No intervention) Study does not address symptoms
Jul 08 2009 Mapping Mood in Parkinson's Disease (MOOD D) MO, OH Observation (No intervention) Study does not address symptoms
Apr 27 2009 Effects of Clear Speech vs. Speaking Slowly in People with Parkinson’s Disease NY Observation (No intervention) Speech problems (hypophonic)
Apr 23 2009 Examining the Sleep/Wake Cycle of People with Parkinson’s Disease IL Observation (No intervention) General PD symptoms, Loss of Energy, Sleep disturbances
Apr 17 2009 A Study of People with Possible Risk Factors for Developing Parkinson’s Disease MD Observation (No intervention) Study does not address symptoms
Mar 23 2009 Accepts Healthy Participants A Cross-Sectional Study of Patterns in Early Parkinson’s Disease TX Observation (No intervention) Study does not address symptoms
Mar 31 2008 Accepts Healthy Participants Development of a Computerized Test to Assess Cognitive Status in People with Parkinson's Disease CT Observation (No intervention) Study does not address symptoms
Jan 14 2008 Brain Fitness and Parkinson's Disease FL Observation (No intervention) Memory
Jan 02 2008 Accepts Healthy Participants Examination of Motor and Cognitive Planning in People with Parkinson's Disease WA Observation (No intervention) Study does not address symptoms
Previous 10 Results 1 2 3