# Trial of Ondansetron as a Parkinson's HAllucinations Treatment

> **NCT04167813** · PHASE2 · UNKNOWN · sponsor: **University College, London** · enrollment: 168 (actual)

## Conditions studied

- Parkinson's Hallucinations
- Dementia With Lewy Bodies

## Interventions

- **DRUG:** Ondansetron 8mg or matched placebo tablets

## Key facts

- **NCT ID:** NCT04167813
- **Lead sponsor:** University College, London
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-10-01
- **Primary completion:** 2024-08-30
- **Final completion:** 2024-08-30
- **Target enrollment:** 168 (ACTUAL)
- **Last updated:** 2024-03-27

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04167813

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04167813, "Trial of Ondansetron as a Parkinson's HAllucinations Treatment". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04167813. Licensed CC0.

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