- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04288128
Integrated Functional Evaluation of the Cerebellum (CERMOI)
Study Overview
Status
Intervention / Treatment
Detailed Description
Spinocerebellar ataxias (SCAs) are autosomal dominantly inherited neurological disorders, characterized by a predominant atrophy of the cerebellum and the brainstem. The most common forms are caused by abnormal CAG repeat expansions, encoding elongated polyglutamine (polyQ).
Nowadays, no preventive or curative treatments are available but different therapeutic approaches are ongoing. Antisense oligonucleotides (ASOs) therapy showed promising results in Huntington disease (HD), a disease that shares with the SCAs the same mutational mechanism. ASOs are currently under development for SCAs.
However, in SCAs, clinical scales as an only criteria to monitor a treatment are not appropriate because of the lack of sensitivity of change and the small number of patients available. The importance to dispose of outcome measures to inform about the efficacy of a treatment is fundamental as well as of new alternative designs to conduct a clinical trial in rare diseases with small sample sizes.
A comprehensive, multimodal approach is hence needed to provide a translational and integrated overview of cerebellar dysfunction in polyQ SCAs over a year.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Paris, France, 75013
- Institut du Cerveau - Paris Brain Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
- Early stage subjects and premanifest mutation carriers refer to individuals who tested positive for the SCA 2 or 7 gene mutation and SARA score between 0 and 15 (both values included)
- Control participants refer to individuals with non-mutation carriers.
Description
Common inclusion criteria for all participants:
- Ability to walk independently 30 foot without an assistive device
- Able to stand unassisted for 30 seconds
- Affiliated with the French social security, or a social security equivalent, if they are not French.
- Capacity to consent
- Signed Informed Consent by the subject
- Ability to undergo MRI scanning
Inclusion criteria for SCA patients:
- Genetic diagnosis of SCA 2 or 7 (available CAG repeat length)
- SARA score ≤15
Inclusion criteria for control participants:
- Negative Genetic diagnosis of SCA2/SCA7 available
- No significant neurological symptoms
- SARA score < 5
Common inclusion criteria for elective participant for CSF sampling:
• Ability to undergo a lumbar puncture
Exclusion criteria
- Subjects currently receiving, or having received within 2 months prior to enrolment into this study, any investigational drug
- Pregnancy or breastfeeding
- Genotype consistent with other inherited ataxias
- Changes in coordinative physical and occupational therapy for ataxia 2 months prior to study participation
- Concomitant disorder(s) or condition(s) that affects assessment of ataxia or severity of ataxia during this study
- Contra-indications to MRI examination
- Person deprived of their liberty by judicial or administrative decision
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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SCA early-manifest and premanifest patients
This cohort is defined by individuals with a SARA score between 0 and 15 (both values included).
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Each participant will undergo lumbar puncture at first visit (M0) and last visit (M12)
Each participant will undergo scanning at 3 visits (M0, M6 and M12)
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Control participants
This cohort is defined by individuals with a SARA score less than 5 and no significant neurological symptoms.
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Each participant will undergo lumbar puncture at first visit (M0) and last visit (M12)
Each participant will undergo scanning at 3 visits (M0, M6 and M12)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
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Identification of biological, clinical and/or imaging biomarkers in SCA2 and SCA7 patients mutations carriers and patients through a multimodal assessment over one year to prepare therapeutic trials
Time Frame: Over one year
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Over one year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To determine the cross-sectional and longitudinal variability of SARA (Scale for the Assessment and Rating of Ataxia) and CCFS (Composite Cerebellar Functional Score) scores in SCA 2 and SCA 7 gene mutation carriers and healthy controls over one
Time Frame: Over one year
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Over one year
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Determine the cross-sectional and longitudinal variability of volumetric MRI and NMR-proto spectroscopy in SCA 2 and SCA 7 gene mutation carriers and healthy controls
Time Frame: Over one year
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Over one year
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Delineate a specific pattern of frontal-like cognitive deficit in SCAs gene carriers
Time Frame: Over one year
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Evolution of neuropsychological scores and Cerebellar Cognitive Affective/Schmahmann Syndrome Scale.
The neuropsychological data collected has to evaluate the cerebellar cognitive affective syndrome (CCAS).
The CCAS consisting of cognitive and affective deficits due to cerebellar disease.
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Over one year
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To determine the cross-sectional and longitudinal variability of CSF, blood and urine biomarkers in SCAs gene mutation carriers and controls
Time Frame: Over one year
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eg. specific mutant protein dosage in CSF sample for each genotype over 1 year, if available
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Over one year
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To explore the relationship of CSF, blood and urine biomarker levels in relation to clinical and imaging markers of disease progression
Time Frame: Over one year
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Over one year
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To assess the feedback of individuals for the disease (Most bothersome symptoms)
Time Frame: Over one year
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Evolution of a Most Bothersome Symptom (MBS) questionnaire will be performed by the physician in order to determine patients' most bothersome symptoms.
This qualitative report investigating the subjective complaint and feedback of patients
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Over one year
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To assess the feedback of individuals for the disease thanks to quality of life questionnaires
Time Frame: Over one year
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Evolution of quality of life self-administrated questionnaires : Patient global impression: is a global index that may be used to rate the response of a condition EQ-5D is a standardized instrument which measures health-related quality of life that can be used in a wide range of health conditions and treatments Patient Health Questionnaire (PHQ 9) is a self-administered depression module, which scores each of the nine DSM-IV criteria as "0" (not at all) to "3" (nearly every day). |
Over one year
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To determine the cross-sectional and longitudinal variability of quantitative measures of postural stability, free walking and turning in SCA 2 and SCA 7 mutation carriers and healthy controls
Time Frame: Over one year
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Evolution of postural sway measures from the sternum and the lumbar spine by wearable APDM® sensors and evolution of cerebellar instability by Fitbit® smartwatch
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Over one year
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To determine the cross-sectional and longitudinal variability of quantitative measures of oculomotor recording in SCA 2 and SCA 7 gene mutations carriers and healthy controls.
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of optical coherence tomography in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of adaptative optics in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of autofluorescence, visual acuity, in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of visual field in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of colour contrast sensitivity in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of electroretinogram in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of static perimetry in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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To determine the cross-sectional and longitudinal variability of visual evoked potential in SCA 2 and SCA 7 gene mutations carriers
Time Frame: Over one year
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Over one year
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Collaborators and Investigators
Investigators
- Principal Investigator: Alexandra DURR, Institut du Cerveau - Paris Brain Institute
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neurologic Manifestations
- Genetic Diseases, Inborn
- Neurodegenerative Diseases
- Dyskinesias
- Spinal Cord Diseases
- Heredodegenerative Disorders, Nervous System
- Cerebellar Diseases
- Ataxia
- Cerebellar Ataxia
- Spinocerebellar Ataxias
- Spinocerebellar Degenerations
Other Study ID Numbers
- C18-29
- 2018-A02563-52 (Registry Identifier: Secondary ID)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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