Flexible-Dose Trial in Early Parkinson's Disease (PD)
Completed · Phase 3 · NCT04223193
Conditions: Parkinson Disease
At a glance
- Research payments reported, 2025
- $203,287
- U.S. investigators named
- 14
- Sites paid
- 15
- Planned or actual enrollment
- 304
About the trial
- Sponsor
- AbbVie
- Tested
- Tavapadon (drug), Placebo (drug)
- Dates
- Started 2020-01-06; completion 2024-10-01
- Results posted
- Yes
The purpose of this study is to assess the efficacy, safety, tolerability and pharmacokinetics (PK) of flexible doses of tavapadon in participants with Parkinson's Disease.
From ClinicalTrials.gov, last updated 2025-11-21. Full record, eligibility and contacts (opens in a new tab)
Industry funding
AbbVie Inc. reported $203,287 in research payments for this study in 2025 (49 payments).
Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.
U.S. investigators named on this study
- Perminder Bhatia, MD Neurology · Fresno, CA
- Marc H. Feinberg, M.D. Specialist · Boca Raton, FL
- Ramon A. Gil, MD Specialist · Port Charlotte, FL
- Wm D. Honeycutt, M.D. Specialist · Maitland, FL
- Sonia K. Kalirao, MD Neurology · Coral Springs, FL
- Anette Nieves, MD Neurology · Ocala, FL
- Mushtaque A. Chachar, MD Neurology · New Bedford, MA
- Dragos L. Mihaila, M.D. Neurology · Syracuse, NY
- Eric S. Molho, M.D. Neurology · Albany, NY
- Benjamin L. Walter, MD Neurology · Cleveland, OH
- Mark S. Ledoux, MD Neurology · Memphis, TN
- Harpaul S. Gill, MD Neurology · Cypress, TX
- Leslie J. Cloud, MD Neurology · Richmond, VA
- Daniel J. Burdick, MD Neurology · Kirkland, WA
Clinicians the company named as principal investigators in its Open Payments reports.
Sites paid to run it
- Horizon Clinical Research Group $29,669
- Albany Medical College $27,376
- Neuro-Pain Medical Center Inc $23,864
- Cleveland Clinic, OH $17,101
- Healthcare Innovations Institute LLC $15,535
- Virginia Commonwealth University $15,227
- Neurology Associates PA $14,567
- Renstar LLC $13,526
- Veracity Neuroscience LLC $12,717
- Sfm Clinical Research LLC $12,301
- The Research Foundation for The State University of New York $10,138
- Interspond LLC $5,100
- Boston Neuro Research Center LLC $4,257
- King County Public Hospital District No 2 $1,520
- Ramon A Gil MD PA $388
Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.