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Completed Phase 1 Interventional

A Study of the Pharmacokinetics, Pharmacodynamics, and Safety of Opicapone in Subjects With Parkinson's Disease Taking Levodopa.

ClinicalTrials.gov ID: NCT03496870

Public ClinicalTrials.gov record NCT03496870. 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 Sep 2, 2026, 8:57 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 Phase 1, Open-Label Study to Assess the Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of Repeated Doses of Opicapone, and Effect on Levodopa Pharmacokinetics in Subjects With Parkinson's Disease

Brief summary

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

This is a phase 1, open-label study to assess the pharmacokinetics, pharmacodynamics, safety, and tolerability of opicapone when administered orally once daily for 14 days as adjunctive therapy to carbidopa/levodopa in subjects with Parkinson's disease.

Study identification

NCT ID
NCT03496870
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Neurocrine Biosciences
Industry
Enrollment
16 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 85 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
Feb 7, 2018
Primary completion
Jul 1, 2018
Completion
Jul 1, 2018
Last update posted
Mar 21, 2019

2018

United States locations

U.S. sites
3
U.S. states
2
U.S. cities
3
Facility City State ZIP Site status
Neurocrine Clinical Site Glendale California 91206
Neurocrine Clinical Site Long Beach California 90806
Neurocrine Clinical Site Farmington Hills Michigan 48334

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 NCT03496870, 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 21, 2019 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03496870 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →