# Evaluating the Efficacy of Dextromethorphan/Quinidine in Treating Irritability in Huntington's Disease

> **NCT03854019** · PHASE3 · COMPLETED · sponsor: **The University of Texas Health Science Center, Houston** · enrollment: 20 (actual)

## Conditions studied

- Huntington Disease
- Irritability

## Interventions

- **DRUG:** Dextromethorphan/quinidine 20mg/10mg (DM/Q 20mg/10mg)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT03854019
- **Lead sponsor:** The University of Texas Health Science Center, Houston
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-08-05
- **Primary completion:** 2022-11-11
- **Final completion:** 2022-11-11
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2024-01-05

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03854019

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03854019, "Evaluating the Efficacy of Dextromethorphan/Quinidine in Treating Irritability in Huntington's Disease". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03854019. Licensed CC0.

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