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Completed Phase 3 Interventional Results available

Open Label Extension (OLE) Study of the Safety and Clinical Utility of IPX203 in Parkinson's Disease (PD) Participants With Motor Fluctuations

ClinicalTrials.gov ID: NCT03877510

Public ClinicalTrials.gov record NCT03877510. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 4:06 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-label Extension Study of the Safety and Clinical Utility of IPX203 in Parkinson's Disease Patients With Motor Fluctuations

Study identification

NCT ID
NCT03877510
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Impax Laboratories, LLC
Industry
Enrollment
419 participants

Conditions and interventions

Interventions

  • IPX203 Drug

Drug

Eligibility (public fields only)

Age range
40 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 2, 2019
Primary completion
Mar 20, 2022
Completion
Mar 20, 2022
Last update posted
Jul 12, 2023

2019 – 2022

United States locations

U.S. sites
50
U.S. states
20
U.S. cities
43
Facility City State ZIP Site status
Xenoscience, Inc (102) Phoenix Arizona 85004
St. Joseph's Hospital & Medical Center - Barrow Neurological Institute (156) Phoenix Arizona 85013
Clinical Trials, Inc (113) Little Rock Arkansas 72205
University of Arkansas for Medical Sciences (117) Little Rock Arkansas 72205
Keek School of Medicine of USC/ University of Southern California (106) Los Angeles California 90033
Hoag Memorial Hospital Presbyterian (134) Newport Beach California 92663
SC3 Research-Pasadena (148) Pasadena California 91105
SC3 Research-Reseda (146) Reseda California 91335
University of Colorado Hospital Anschutz Outpatient Pavilion (120) Aurora Colorado 80045
Rocky Mountain Movement Disorders (116) Englewood Colorado 80113
ChristianaCare Neurology Specialists (153) Newark Delaware 19713
JEM Research Institute (136) Atlantis Florida 33462
Visionary Investigators Network (168) Aventura Florida 33180
UHealth at Boca Raton (152) Boca Raton Florida 33431
Parkinson's Disease and Movement Disorders Center of Boca Raton (121) Boca Raton Florida 33486
Infinity Clinical Research LLC (104) Hollywood Florida 33024
University of Florida Health Science Center (129) Jacksonville Florida 32209
Neurology Associates, P.A. (125) Maitland Florida 32751
University of Miami (149) Miami Florida 33136
Medical Professional Clinical Research Center, Inc. (163) Miami Florida 33165
Parkinson's Disease Treatment Center of Southwest Florida (131) Port Charlotte Florida 33980
Infinity Clinical Research, LLC (105) Sunrise Florida 33351
University of South Florida (114) Tampa Florida 33615
Premiere Research Institute at Palm Beach Neurology (174) West Palm Beach Florida 33407
Charter Research (166) Winter Park Florida 32792
Emory Brain Health Center (110) Atlanta Georgia 30329
NeuroStudies.net, LLC (155) Decatur Georgia 30033
Northwestern Medical Group Neurology Clinic (145) Chicago Illinois 60611
Central DuPage Hospital (151) Winfield Illinois 60190
Indiana University Health Neuroscience Center(164) Indianapolis Indiana 46202
University of Kansas Medical Center (118) Kansas City Kansas 66160
Quest Research Institute (103) Farmington Hills Michigan 48334
Henry Ford West Bloomfield Hospital(100) West Bloomfield Michigan 48322
Washington University (109) St Louis Missouri 63110
Roseman Medical Research Institute / Roseman Medical Group (154) Las Vegas Nevada 17601
Cleveland Clinic Lou Ruvo Center for Brain Health (142) Las Vegas Nevada 89106
Albany Medical College (139) Albany New York 12208
Ucgni (133) Cincinnati Ohio 45219
University Hospitals Cleveland Medical Center (123) Cleveland Ohio 44106
Cleveland Clinic(144) Cleveland Ohio 44195
University of Toledo, Gardner-McMaster Parkinson Center (122) Toledo Ohio 43614
The Movement Disorder Clinic of Oklahoma (115) Tulsa Oklahoma 74136
The Vanderbilt Clinic (158) Nashville Tennessee 37232
Neurology Consultants of Dallas, PA (108) Dallas Texas 75251
University of Texas Southwestern Medical Center (143) Dallas Texas 75390-9184
Houston Methodist Neurological Institute/Movement Disorders Clinic (135) Houston Texas 77030
Inova Neurology- Fairfax (147) Fairfax Virginia 17601
VCU Health- Neuroscience Orthopaedic and Wellness Center(124) Henrico Virginia 23233
Booth Gardner Parkinson's Care Center (112) Kirkland Washington 98034
Inland Northwest Research (119) Spokane Washington 99202

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 48 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03877510, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 12, 2023 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03877510 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →