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Trial · NCT04167813

Trial of Ondansetron as a Parkinson's HAllucinations Treatment

NCT04167813, Phase 2, Unknown, University College, London

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Trial of Ondansetron as a Parkinson's HAllucinations Treatment. Trials, record NCT04167813. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04167813

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Trial of Ondansetron as a Parkinson's HAllucinations Treatment
NCT number
NCT04167813
Status
Unknown
Phases
Phase 2
Enrollment
168 participants, actual
Lead sponsor
University College, London
Conditions
Parkinson's Hallucinations, Dementia With Lewy Bodies
Interventions
Ondansetron 8mg or matched placebo tablets
First posted
2019-11-19
Last updated
2024-03-27

Source ClinicalTrials.gov

Registered outcomes12

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryHallucinations12 weeksScale for Assessment of Positive Symptoms-Hallucinations (0-35 points, higher scores indicate greater severity of hallucinations
SecondaryDelusions2, 4, 6, 12, 18, 24 weeksScale for Assessment of Positive Symptoms-Delusions (0-65 points, higher scores indicate greater symptom severity
SecondarySafety and tolerability2, 4, 6, 12, 18, 24 weeksNumber of Participants With Treatment-Related Adverse Events
SecondaryHealth related quality of life6, 12, 18, 24 weeksEQ-5D-5L
SecondaryCost effectiveness2, 4, 6, 12, 18, 24 weeksHealth and social service utilisation
SecondaryPharmacokinetics, plasma concentrations of the study drug6, 12 weeksMeasured using a validated HPLC/MS assay
SecondaryHallucinations2, 4, 6, 18, 24 weeksScale for Assessment of Positive Symptoms-Hallucinations (0-35 points, higher scores indicate greater severity of hallucinations
SecondaryGlobal illness severity2, 4, 6, 12, 18, 24 weeksClinical Global Impression of Severity Scale (1-7, higher scores indicate greater severity)
SecondaryNon-motor symptoms2,4,6,12,18,24 weeksNon-motor symptoms scale (0-120, higher scores indicate greater severity
SecondaryCognition12 weeksStandardised Mini-Mental State Examination (0-30, higher scores indicate better performance)

Outcomes0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

None in this release.

Results by group0

Each measurement the trial posted, group by group, in the words and numbers it posted.

None in this release.

Participant flow0

How many started, completed or left each group, period by period.

None in this release.

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals0

The totals the trial posted for each group.

None in this release.

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04167813

GET https://conductscience.org/api/trials/v1/NCT04167813/registered