Instrumented Data Exchange for Ataxia Study (IDEA)
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04268147 |
Recruitment Status :
Recruiting
First Posted : February 13, 2020
Last Update Posted : September 29, 2020
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease |
---|
Spinocerebellar Ataxia Type 1 Spinocerebellar Ataxia Type 2 Spinocerebellar Ataxia Type 3 Spinocerebellar Ataxia Type 6 Friedreich Ataxia |
Study Type : | Observational |
Estimated Enrollment : | 144 participants |
Observational Model: | Case-Control |
Time Perspective: | Cross-Sectional |
Official Title: | APDM Instrumented Data Exchange for Ataxia (IDEA) Study |
Actual Study Start Date : | June 1, 2019 |
Estimated Primary Completion Date : | December 31, 2021 |
Estimated Study Completion Date : | June 30, 2022 |

Group/Cohort |
---|
Spinocerebellar Ataxia-1
individuals with a genetically confirmed diagnosis of SCA-1
|
Spinocerebellar Ataxia-2
individuals with a genetically confirmed diagnosis of SCA-2
|
Spinocerebellar Ataxia-3
individuals with a genetically confirmed diagnosis of SCA-3
|
Spinocerebellar Ataxia-6
individuals with a genetically confirmed diagnosis of SCA-6
|
Freidreich's Ataxia
individuals with a genetically confirmed diagnosis of FA
|
FA Controls
Healthy, age-matched controls
|
SCA Controls
Healthy, age-matched controls
|
- iSARA [ Time Frame: 2 years ]measurements collected by wearable inertial sensors during instrumented Scale for the Assessment and Rating of Ataxia (iSARA)
- SARA [ Time Frame: 2 years ]Scale for the Assessment and Rating of Ataxia (SARA) measurements evaluated by clinician to measure severity of spinocerebellar ataxia through coordination, speech, stance, and gait
- mFARS [ Time Frame: 2 years ]modified Friedreich's Ataxia Rating Scale (mFARS) measurements evaluated by clinician compared to measure severity of Friedreich's ataxia through coordination, speech, stance, and gait
- Daily Life (UChicago site ONLY) [ Time Frame: 2 weeks ]APDM SmartSox technology used to measure daily life activity(movement, falls, etc.) of all University of Chicago subjects
- Ataxia App on Watch/iPhone [ Time Frame: 2 years ]Bi-weekly assessments completed on Ataxia Application for Apple Watches and iPhones. Data collected includes active monitoring of speech, stance, coordination, gait and patient-reported symptoms.
- Patient-Reported Questionnaires of Health [ Time Frame: 2 years ]Activities, Balance, and Confidence (ABC) Questionnaire; EQ-5D-5L Health Questionnaire; Modified Fatigue Impact Scale (MFIS-5); Activities of Daily Living (ADLs)
- Falls Questionnaire [ Time Frame: 2 years ]Automatic email sent out to subjects inquiring about any falls and near falls they have experienced during the past month
- Functional Staging [ Time Frame: 2 years ]Clinician evaluates severity of ataxia symptoms.
- Timed 25 Foot Walk [ Time Frame: 2 years ]Subjects walk for 25 feet, as quickly and safely as possible, while being timed

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 12 Years to 75 Years (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- SCA 1, 2, 3, 6, and FA with mutations in the pathogenic range confirmed from genetic testing
- SCA: aged 18-75 years
- FA: aged 12-30, diagnosed between ages 5-25
- community dwelling
- physically/cognitively capable of consenting/assenting and complying with the protocol based on investigator's judgement
- able to walk independently 10 feet without an assistive device
- able to sit or stand unassisted for 30 seconds
- no other neurological or musculoskeletal disorder that could affect mobility
- no other history of head injury, vestibular function, stroke, or other disorders that could affect mobility
- willing and able to participate in a 2-year study
- consent to be video recorded while performing study assessments
Exclusion Criteria:
- dementia that limits subjects' ability to follow directions
- pain that limits mobility
- SCA: enrolled in a clinical drug trial

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04268147
Contact: Hannah Casey | 7737024610 | hannahcasey@uchicago.edu |
United States, California | |
University of California-Los Angeles | Not yet recruiting |
Los Angeles, California, United States, 90095 | |
Contact: Aaron Fisher adfisher@mednet.ucla.edu | |
Principal Investigator: Susan Perlman, MD | |
United States, Illinois | |
The University of Chicago | Recruiting |
Chicago, Illinois, United States, 60637 | |
Contact: Hannah Casey 773-702-4610 hannahcasey@uchicago.edu | |
Principal Investigator: Christopher Gomez, MD, PhD | |
United States, Maryland | |
Johns Hopkins Medicine | Recruiting |
Baltimore, Maryland, United States, 21231 | |
Contact: Katherine Iannuzzelli kiannuz1@jhmi.edu | |
Principal Investigator: Liana Rosenthal, MD | |
United States, Massachusetts | |
Mass General Hospital | Not yet recruiting |
Boston, Massachusetts, United States, 02114 | |
Contact: Jason Macmore jmacmore@mgh.harvard.edu | |
Principal Investigator: Jeremy Schmahmann, MD | |
United States, Oregon | |
Oregon Health & Science University | Recruiting |
Portland, Oregon, United States, 97239 | |
Contact: Patty Carlson-Kuhta carlsonp@ohsu.edu | |
Principal Investigator: Delaram Safarpour, MD |
Responsible Party: | University of Chicago |
ClinicalTrials.gov Identifier: | NCT04268147 |
Other Study ID Numbers: |
IRB18-1580 |
First Posted: | February 13, 2020 Key Record Dates |
Last Update Posted: | September 29, 2020 |
Last Verified: | September 2020 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Ataxia Cerebellar Ataxia Spinocerebellar Ataxias Spinocerebellar Degenerations Friedreich Ataxia Machado-Joseph Disease Dyskinesias Neurologic Manifestations Nervous System Diseases |
Cerebellar Diseases Brain Diseases Central Nervous System Diseases Spinal Cord Diseases Heredodegenerative Disorders, Nervous System Neurodegenerative Diseases Genetic Diseases, Inborn Mitochondrial Diseases Metabolic Diseases |