# Natural History of Oculomotor Neurophysiology in Ataxic and Pre-ataxic Carriers of SCA3/MJD

> **NCT04229823** · — · UNKNOWN · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 95 (actual)

## Conditions studied

- Spinocerebellar Ataxia Type 3
- Machado-Joseph Disease

## Interventions

- **DIAGNOSTIC_TEST:** Video-oculography
- **DIAGNOSTIC_TEST:** Clinical Scales
- **DIAGNOSTIC_TEST:** Genotyping

## Key facts

- **NCT ID:** NCT04229823
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-03-28
- **Primary completion:** 2020-12
- **Final completion:** 2021-08
- **Target enrollment:** 95 (ACTUAL)
- **Last updated:** 2020-07-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04229823

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04229823, "Natural History of Oculomotor Neurophysiology in Ataxic and Pre-ataxic Carriers of SCA3/MJD". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04229823. Licensed CC0.

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