Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 22, 2026, 7:15 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
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Conditions
Parkinson Disease
Interventions
sumanirole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years and older
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
69
States / cities
Birmingham, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 60 more
Conditions
Parkinson Disease
Interventions
sumanirole, ropinirole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
93
States / cities
Hot Springs, Arkansas • Little Rock, Arkansas • Carmichael, California + 81 more
Conditions
Parkinson Disease
Interventions
sumanirole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years and older
Enrollment
984 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
103
States / cities
Birmingham, Alabama • Peoria, Arizona • Tucson, Arizona + 100 more