- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01037777
RISCA : Prospective Study of Individuals at Risk for SCA1, SCA2, SCA3, SCA6, SCA7 (RISCA)
Prospective Study of Individuals at Risk for Spinocerebellar Ataxia Type 1, Type 2, Type 3, Type 6 and Type 7 (SCA1, SCA2, SCA3, SCA6, SCA7)
The spinocerebellar ataxias (SCAs) are a clinically and genetically heterogeneous group of autosomal dominantly inherited progressive ataxia disorders. It is estimated that there are 30,000 individuals in the European Community that directly descend from individuals affected by a SCA disorder and thus carry a 50% risk of having inherited an SCA mutation. These at risk individuals provide a unique research opportunity to prospectively study the presymptomatic phase of SCA disorders and to identify the earliest and most sensitive clinical signs and biological markers that herald the onset of the illness. This information is of critical importance for the development of future therapeutic interventions aimed at postponing the clinical onset of ataxia.
We therefore propose to perform a prospective observational study of individuals at risk for the most common SCA disorders, SCA1, SCA2, SCA3 and SCA6 (RISCA). It is our aim to answer the following questions: (1) What is the incidence of disease manifestation in mutation carriers? (2) Which clinical signs precede the onset of manifest ataxia in SCA1, SCA2, SCA3 and SCA6? (3) What are the prevalence and incidence of preceding signs? (4) Are the prevalence and incidence of preceding signs affected by genotype, gender, age, estimated time until disease manifestation and repeat length? (5) Does the presence of certain preceding signs predict the manifestation of ataxia ? (6) Are there MRI alterations that precede the onset of ataxia? It is planned to enroll 480 study participants and to follow them at regular intervals over six years. At each visit, study participants are asked in a structured interview for a number of predefined clinical signs that potentially precede the onset of ataxia. In addition, the following self-assessment scales will be applied: Pittsburgh Sleep Quality Index (PSQI), Diagnostic Criteria for Restless Legs Syndrome, Patient´s Health Questionnaire (PHQ-9). All study participants will undergo a physical examination including the Scale for the Assessment and Rating of Ataxia (SARA). Study participants will further perform the SCA Functional Composite (SCA-FC) which is a comprehensive measure of functional capacity based on results in quantitative tests related to gait (8m timed walk), speech (PATA rate) and hand function (9 hole pegboard). In a subset of study participants, we will record eye movements and obtain volumetric MRIs. The study will also be used to collect and store blood and urine samples for proteomic and gene expression studies.
RISCA is conducted by the Ataxia Study Group (ASG). It relies on the network structure created by the EUROSCA project.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Paris, France, 75013
- Pitié Salpétrière Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- individuals at risk for spinocerebellar ataxia type 1, type 2, type 3, type 6 and type 7 (SCA1, SCA2, SCA3, SCA6 and SCA7)
- age between 18 and 50 years old for SCA1, SCA2, SCA3 or SCA7
- age between 35 and 70 years old for SCA6
- no clinical sign of ataxia (SARA < 3)
Exclusion Criteria:
- no writing consent
- no family members affected
- presence of clinical sign of ataxia (SARA > 3)
Study Plan
How is the study designed?
Design Details
- Observational Models: Family-Based
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
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presymptomatic carriers
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non carrier relatives
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Collaborators and Investigators
Publications and helpful links
General Publications
- Wilke C, Mengel D, Schols L, Hengel H, Rakowicz M, Klockgether T, Durr A, Filla A, Melegh B, Schule R, Reetz K, Jacobi H, Synofzik M. Levels of Neurofilament Light at the Preataxic and Ataxic Stages of Spinocerebellar Ataxia Type 1. Neurology. 2022 May 17;98(20):e1985-e1996. doi: 10.1212/WNL.0000000000200257. Epub 2022 Mar 9.
- Jacobi H, du Montcel ST, Romanzetti S, Harmuth F, Mariotti C, Nanetti L, Rakowicz M, Makowicz G, Durr A, Monin ML, Filla A, Roca A, Schols L, Hengel H, Infante J, Kang JS, Timmann D, Casali C, Masciullo M, Baliko L, Melegh B, Nachbauer W, Burk-Gergs K, Schulz JB, Riess O, Reetz K, Klockgether T. Conversion of individuals at risk for spinocerebellar ataxia types 1, 2, 3, and 6 to manifest ataxia (RISCA): a longitudinal cohort study. Lancet Neurol. 2020 Sep;19(9):738-747. doi: 10.1016/S1474-4422(20)30235-0.
- Tezenas du Montcel S, Durr A, Rakowicz M, Nanetti L, Charles P, Sulek A, Mariotti C, Rola R, Schols L, Bauer P, Dufaure-Gare I, Jacobi H, Forlani S, Schmitz-Hubsch T, Filla A, Timmann D, van de Warrenburg BP, Marelli C, Kang JS, Giunti P, Cook A, Baliko L, Melegh B, Boesch S, Szymanski S, Berciano J, Infante J, Buerk K, Masciullo M, Di Fabio R, Depondt C, Ratka S, Stevanin G, Klockgether T, Brice A, Golmard JL. Prediction of the age at onset in spinocerebellar ataxia type 1, 2, 3 and 6. J Med Genet. 2014 Jul;51(7):479-86. doi: 10.1136/jmedgenet-2013-102200. Epub 2014 Apr 29. Erratum In: J Med Genet. 2014 Sep;51(9):613. Bela, Melegh [corrected to Melegh, Bela].
- Jacobi H, Reetz K, du Montcel ST, Bauer P, Mariotti C, Nanetti L, Rakowicz M, Sulek A, Durr A, Charles P, Filla A, Antenora A, Schols L, Schicks J, Infante J, Kang JS, Timmann D, Di Fabio R, Masciullo M, Baliko L, Melegh B, Boesch S, Burk K, Peltz A, Schulz JB, Dufaure-Gare I, Klockgether T. Biological and clinical characteristics of individuals at risk for spinocerebellar ataxia types 1, 2, 3, and 6 in the longitudinal RISCA study: analysis of baseline data. Lancet Neurol. 2013 Jul;12(7):650-8. doi: 10.1016/S1474-4422(13)70104-2. Epub 2013 May 22. Erratum In: Lancet Neurol. 2013 Jul;12(7):630.
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 (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
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
- Cerebellar Ataxia
- Ataxia
- Spinocerebellar Ataxias
- Spinocerebellar Degenerations
Other Study ID Numbers
- C08-37
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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