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

> **NCT03496870** · PHASE1 · COMPLETED · sponsor: **Neurocrine Biosciences** · enrollment: 16 (actual)

## Conditions studied

- Parkinson Disease

## Interventions

- **DRUG:** Opicapone
- **DRUG:** Carbidopa Levodopa

## Key facts

- **NCT ID:** NCT03496870
- **Lead sponsor:** Neurocrine Biosciences
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-02-08
- **Primary completion:** 2018-07-02
- **Final completion:** 2018-07-02
- **Target enrollment:** 16 (ACTUAL)
- **Last updated:** 2019-03-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03496870

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03496870, "A Study of the Pharmacokinetics, Pharmacodynamics, and Safety of Opicapone in Subjects With Parkinson's Disease Taking Levodopa.". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT03496870. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*