Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 11:05 PM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Conditions
Opioid Use, Opioid Dependence, Opioid-use Disorder, Narcotic Use, Back Pain, Back Injuries, Chronic Pain, Chronic Low-back Pain, Pain, Chronic, Pain;Back Low;Chronic, Pain, Back
Interventions
Carbidopa-Levodopa 25 Mg-100 Mg Oral Tablet, Naproxen 500 Mg, Opioids
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
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
Completed Phase 2 Interventional Results available

Dose Ranging Study of Carbidopa-levodopa

NCT03023059
Conditions
Age-related Macular Degeneration
Interventions
Carbidopa-Levodopa, 25 Mg-100 Mg Oral Tablet
Drug
Lead sponsor
Snyder, Robert W., M.D., Ph.D., P.C.
Individual
Eligibility
50 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Tucson, Arizona