|1||NCT00387075||Active, not recruiting||A Study Evaluating Potential Screening Tools for Detecting Parkinson Disease||
||Other / U.S. Fed||
||3000||All||50 Years and older (Adult, Senior)||NCT00387075||PARS||November 2006||August 2018||August 2018||October 12, 2006||March 23, 2018||
|2||NCT03022357||Recruiting||Nigrosomal Iron Imaging in Parkinson's Disease||
||145||All||21 Years to 90 Years (Adult, Senior)||NCT03022357||16048||N3iPD||June 2016||April 2019||May 2019||January 16, 2017||January 16, 2017||
† Study has passed its completion date and status has not been verified in more than two years.