Orally Administered ENT-01 for Parkinson's Disease-Related Constipation Follow-on Safety "Roll-over" Study (Rollover)

ClinicalTrials.gov ID: NCT04483479

Public ClinicalTrials.gov record NCT04483479. 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.

View official ClinicalTrials.gov record → Back to search

ClinicalTrials.gov public records Last synced Jul 24, 2026, 1:05 AM EDT

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

Official title

A Multicenter, Non-Randomized, Open-Label Study to Evaluate the Safety and Efficacy of Orally Administered ENT-01 in Improving Constipation and Neurologic Symptoms in Patients With Parkinson's Disease and Constipation Over a 14-week Period

Study identification

NCT ID: NCT04483479
Recruitment status: Terminated
Study type: Interventional
Phase: Phase 2
Lead sponsor: Enterin Inc.; Industry
Enrollment: 27 participants

Conditions and interventions

Conditions

Interventions

Active Investigational Treatment ENT-01 Drug

Drug

Eligibility (public fields only)

Age range: 30 Years to 90 Years
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: Jul 29, 2020
Primary completion: Feb 16, 2022
Completion: Feb 16, 2022
Last update posted: Mar 18, 2024

2020 – 2022

United States locations

U.S. sites: 18
U.S. states: 10
U.S. cities: 18

Facility	City	State	ZIP	Site status
The Parkinson's and Movement Disorder Institute	Fountain Valley	California	92708	—
SC3 Research - Pasadena	Pasadena	California	91105	—
Rocky Mountain Movement Disorders Center	Englewood	Colorado	80113	—
Georgetown Universtiy, Department of Neurology	Washington D.C.	District of Columbia	20007	—
JEM Research Institute	Atlantis	Florida	33462	—
Parkinson's Disease and Movement Disorders Center of Boca Raton	Boca Raton	Florida	33486	—
Parkinson's Disease Treatment Center of SWFL	Port Charlotte	Florida	33980	—
Intercoastal Medical Group	Sarasota	Florida	34239	—
USF Health Byrd Parkinson's Disease Movement Disorders Center of Excellence	Tampa	Florida	33613	—
Premiere Research Institute at Palm Beach Neurology	West Palm Beach	Florida	33407	—
Dartmouth Hitchcock Medical Center	Lebanon	New Hampshire	13756	—
Albany Medical College	Albany	New York	12208	—
Icahn School of Medicine at Mount Sinai	New York	New York	10029	—
Cleveland Clinic	Cleveland	Ohio	44095	—
University of Toledo Medical Center	Toledo	Ohio	43614	—
Penn State University	Hershey	Pennsylvania	17033	—
Evergreen Health - Booth Gardner Parkinson's Care Center	Kirkland	Washington	98034	—
University Physicians & Surgeons, Inc. dba Marshall Health	Huntington	West Virginia	25701	—

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

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT04483479, 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 Mar 18, 2024 · Synced Jul 24, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04483479 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →