Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 12:18 AM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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Conditions
Parkinson's Disease
Interventions
Sinemet 25-100 Oral Tablet, XP21279, Carbidopa Pill
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Peoria, Arizona • Bingham Farms, Michigan
Conditions
Parkinson's Disease
Interventions
XP21279 and carbidopa (experimental), Sinemet (comparator), Placebo for XP21279 and carbidopa, Placebo for Sinemet
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
30 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
12
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 9 more