# How the Loss of Dopamine and Dopamine-Restoring Medicines Affect Movement Performance

> **NCT00040196** · — · COMPLETED · sponsor: **National Institute of Neurological Disorders and Stroke (NINDS)** · enrollment: 133 (—)

## Conditions studied

- Parkinson Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00040196
- **Lead sponsor:** National Institute of Neurological Disorders and Stroke (NINDS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2002-06-19
- **Primary completion:** 2009-07-09
- **Final completion:** 2009-07-09
- **Target enrollment:** 133 (—)
- **Last updated:** 2017-07-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00040196

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00040196, "How the Loss of Dopamine and Dopamine-Restoring Medicines Affect Movement Performance". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT00040196. Licensed CC0.

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