# Effect of Istradefylline Treatment on Behavioral Measures of Apathy in Parkinson's Disease.

> **NCT05182151** · — · TERMINATED · sponsor: **Medical University of South Carolina** · enrollment: 8 (actual)

## Conditions studied

- Apathy
- Parkinson Disease

## Interventions

- **DRUG:** Istradefylline 40 mg

## Key facts

- **NCT ID:** NCT05182151
- **Lead sponsor:** Medical University of South Carolina
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2022-07-29
- **Primary completion:** 2023-12-01
- **Final completion:** 2023-12-01
- **Target enrollment:** 8 (ACTUAL)
- **Why stopped:** recruitment issues
- **Last updated:** 2026-02-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05182151

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05182151, "Effect of Istradefylline Treatment on Behavioral Measures of Apathy in Parkinson's Disease.". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT05182151. Licensed CC0.

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