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Terminated Phase 2 Interventional Results available

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.

ClinicalTrials.gov public records Last synced Oct 29, 2026, 1:45 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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will be conducted as an open-label safety follow-on to a multi-center, double-blind, randomized study. All subjects who participated in the randomized study will be offered participation in this unblinded, single-arm, safety study. Approximately 50 subjects will be entered into the study and ENT-01 will be administered daily in escalating doses followed by a fixed dose for 12 weeks. Each subject will participate for approximately 20 weeks; dosing duration will be approximately 14 weeks.

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

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 30, 2020 (Actual)
Primary completion
Feb 17, 2022 (Actual)
Completion
Feb 17, 2022 (Actual)
Last update posted
Mar 19, 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 19, 2024 · Synced Oct 29, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04483479 live on ClinicalTrials.gov.

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