NCT04714307

Brief Summary

This research investigates how cognitive-affective aspects evolve during the course of SCA3/MJD. Due to COVID-19 pandemics, this study protocol was adapted for online-only consultations. Evaluations happening after March 2020 have been done by videocall with patients, and no neurological evaluation was thus performed on these patients. A scale on Activities of Daily Living was added to the online protocol to replace SARA, SCAFI and CCFS scales.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
144

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Dec 2019

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 13, 2019

Completed
12 months until next milestone

First Submitted

Initial submission to the registry

December 8, 2020

Completed
1 month until next milestone

First Posted

Study publicly available on registry

January 19, 2021

Completed
13 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2021

Completed
2.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2023

Completed
Last Updated

January 19, 2021

Status Verified

January 1, 2021

Enrollment Period

1.1 years

First QC Date

December 8, 2020

Last Update Submit

January 15, 2021

Conditions

Outcome Measures

Primary Outcomes (7)

  • Cerebellar Cognitive Affective Syndrome Scale

    Study the performance on the Cerebellar Cognitive Affective Syndrome Scale of SCA3/MJD symptomatic subjects when compared to matched healthy controls and of pre-symptomatic subjects when compared to familial healthy controls.

    Through study completion, an average of 1 year

  • Trail-Making Test Part A and B

    Study the performance on the Trail-Making Test Part A and B of SCA3/MJD symptomatic subjects when compared to matched healthy controls and of pre-symptomatic subjects when compared to familial healthy controls.

    Through study completion, an average of 1 year

  • Stroop Color-Word Test

    Study the performance on the Stroop Color-Word Test of SCA3/MJD symptomatic subjects when compared to matched healthy controls and of pre-symptomatic subjects when compared to familial healthy controls.

    Through study completion, an average of 1 year

  • Emotion Attribution impairment in SCA3/MJD

    Study the performance of symptomatic SCA3/MJD carriers in the Reading the Mind in the Eyes Test.

    Through study completion, an average of 1 year

  • Emotion Attribution in different phases of the disease

    Study the performance of pre-symptomatic SCA3/MJD carriers in the Reading the Mind in the Eyes Test.

    Through study completion, an average of 1 year

  • Hamilton Anxiety Rating Scale

    Study the profile of symptomatic and pre-symptomatic SCA3/MJD carriers in the Hamilton Anxiety Rating Scale.

    Through study completion, an average of 1 year

  • Hamilton Depression Rating Scale

    Study the profile of symptomatic and pre-symptomatic SCA3/MJD carriers in the Hamilton Depression Rating Scale.

    Through study completion, an average of 1 year

Secondary Outcomes (4)

  • Scale for the Assessment and Rating of Ataxia (SARA)

    Through study completion, an average of 1 year

  • Composite Cerebellar Functional Severity Score (CCFS)

    Through study completion, an average of 1 year

  • SCA Functional Index

    Through study completion, an average of 1 year

  • Friedreich Ataxia Rating Scale part II (FARS part II)

    Through study completion, an average of 1 year

Study Arms (3)

Symptomatic

Molecularly diagnosed SCA3/MJD Symptomatic subjects.

Diagnostic Test: Cognitive TestingDiagnostic Test: Psychiatric EvaluationDiagnostic Test: Clinical Neurological EvaluationDiagnostic Test: Emotional Attribution EvaluationDiagnostic Test: Activities of Daily Living

Non-related Controls

Controls matched with symptomatic by age and educational level.

Diagnostic Test: Cognitive TestingDiagnostic Test: Psychiatric EvaluationDiagnostic Test: Emotional Attribution Evaluation

At 50% risk for SCA3/MJD group

The offspring of affected individuals with SARA\<3. This group will be comprised of two subpopulations: pre-symptomatic individuals and related controls. The determination will be made upon molecular diagnosis to be done in a double-blind manner.

Diagnostic Test: SCA3/MJD molecular diagnosisDiagnostic Test: Cognitive TestingDiagnostic Test: Psychiatric EvaluationDiagnostic Test: Clinical Neurological EvaluationDiagnostic Test: Emotional Attribution EvaluationDiagnostic Test: Activities of Daily Living

Interventions

Double-blind molecular diagnosis for determination of the presence of the mutation.

At 50% risk for SCA3/MJD group
Cognitive TestingDIAGNOSTIC_TEST

Cross-sectional Cognitive evaluation with * CCAS Scale * Trail-Making Test parts A and B * Stroop Color-Word Test

At 50% risk for SCA3/MJD groupNon-related ControlsSymptomatic
Psychiatric EvaluationDIAGNOSTIC_TEST

Cross-sectional Psychiatric evaluation with Hamilton-Anxiety and Hamilton-Depression rating scales.

At 50% risk for SCA3/MJD groupNon-related ControlsSymptomatic

Cross-sectional neurological evaluation with standardized clinical scales - SARA, SCAFI and CCFS.

At 50% risk for SCA3/MJD groupSymptomatic

Cross-sectional emotional attribution evaluation by means of the Reading the Mind in the Eyes Test (RMET).

At 50% risk for SCA3/MJD groupNon-related ControlsSymptomatic

Cross-sectional evaluation of Activities of Daily Living (ADLs) by means of Friedreich Ataxia Rating Scale Part II.

At 50% risk for SCA3/MJD groupSymptomatic

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Individuals with molecular diagnosis of SCA3/MJD will be recruited from the Medical Genetics Service database of Hospital de Clínicas de Porto Alegre, Brazil, by telephone calls or by invitation in the outpatient clinic. First degree relatives of these subjects at 50% risk of carrying the mutation will also be invited to participate. Healthy controls will be invited from the general population.

You may qualify if:

  • Symptomatic:
  • older than 18 year old;
  • molecular diagnosis of SCA3/MJD;
  • SARA\>2.5.
  • At 50% risk:
  • older than 18 year old;
  • have a parent with molecular diagnosis of SCA3/MJD;
  • SARA\<3.
  • Healthy Controls
  • older than 18 year old;
  • no genetic relationship with a SCA3/MJD carrier.

You may not qualify if:

  • Non agreement in signing the informed consent;
  • Healthy Controls: having any history of genetic disorders in their families or any psychiatric or neurologic disorder.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital de Clinicas de Porto Alegre

Porto Alegre, Rio Grande do Sul, 90035-903, Brazil

RECRUITING

Biospecimen

Retention: SAMPLES WITH DNA

Blood samples will be retained under codification for the use of this research only.

MeSH Terms

Conditions

Machado-Joseph Disease

Condition Hierarchy (Ancestors)

Spinocerebellar AtaxiasCerebellar AtaxiaCerebellar DiseasesBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesSpinocerebellar DegenerationsSpinal Cord DiseasesHeredodegenerative Disorders, Nervous SystemNeurodegenerative DiseasesAtaxiaDyskinesiasNeurologic ManifestationsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Study Officials

  • Laura B. Jardim, MD, PhD

    Hospital de Clinicas de Porto Alegre and Universidade Federal do Rio Grande do Sul

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Laura B. Jardim, MD, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 8, 2020

First Posted

January 19, 2021

Study Start

December 13, 2019

Primary Completion

February 1, 2021

Study Completion

August 1, 2023

Last Updated

January 19, 2021

Record last verified: 2021-01

Data Sharing

IPD Sharing
Will share

Data sharing will be done via direct contact with the Principal Investigator in order to preserve individual participants identities.

Shared Documents
STUDY PROTOCOL, ICF, CSR
Time Frame
Data will become available after final statistical analysis and data publishing via direct contact with principal investigator.
Access Criteria
Investigators and researchers of the area

Locations