Multiple System AtrophyMSA Registry SNCT07644013
Prospective Multicenter Registry Study of Multiple System Atrophy in China
An observational study of Multiple System Atrophy and Parkinson's Disease, run by Peking University First Hospital at 1 site in China.
Trial summary
Multiple system atrophy is a rare, rapidly progressive neurodegenerative disease characterized by variable combinations of parkinsonism, cerebellar ataxia, and autonomic dysfunction. Read more about this study
- Who is it for?
- Ages 40 to 75 yearsHealthy volunteers can take part
- Conditions the study is for
- Multiple System Atrophy, Parkinson's Disease, Atypical Parkinsonism
- How many people
- 214 participants
- Where
- 1 siteChina
- Study dates
- 1 Jun 2025to 30 Jun 2030
- How long will I take part?
- 6 Months
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 40 to 75 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Patients with MSA or PD who visited the outpatient department or wards of tertiary hospitals. Those who voluntarily participated, along with the family members of healthy individuals without neurodegenerative diseases, served as healthy controls.
Who may be able to join
- Patients with clinically established or clinically probable multiple system atrophy according to the 2022 Movement Disorder Society diagnostic criteria; or
- Patients with clinically established or clinically probable Parkinson disease according to the Movement Disorder Society diagnostic criteria; or
- Healthy controls or controls without hereditary or neurodegenerative diseases who voluntarily agree to participate.
- Age between 40 and 75 years.
- Ability to provide informed consent or availability of a legally authorized representative when applicable.
Who cannot join
- Parkinsonism that cannot be classified as Parkinson disease or multiple system atrophy at the time of evaluation.
- Clinical suspicion or diagnosis of other atypical parkinsonian syndromes, including progressive supranuclear palsy, dementia with Lewy bodies, or corticobasal syndrome.
- Secondary parkinsonism due to intracranial space-occupying lesions, normal pressure hydrocephalus, drug-induced parkinsonism, or other identifiable causes.
- Comorbid diseases that may substantially affect autonomic function, such as diabetic peripheral neuropathy or amyloidosis.
- Refusal to participate in the study or refusal to undergo routine clinical evaluations for parkinsonian syndromes.
- Psychiatric or behavioral abnormalities that preclude reliable clinical data collection or scale-based assessment.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Yunchuang Sun, MD contact
China1 site, 1 recruiting
- Recruiting
Peking University First Hospital
Beijing, Beijing Municipality, 100034
Yang Zhao, (+86)18610320188, zhaoyang2019@pku.edu.cn
About this study
Official title: Clinical Features and Natural History of Multiple System Atrophy: A Prospective Multicenter Registry Study in China
Multiple system atrophy is a rare, rapidly progressive neurodegenerative disease characterized by variable combinations of parkinsonism, cerebellar ataxia, and autonomic dysfunction. Existing natural history studies from North America, Europe, and Japan suggest that clinical phenotypes and disease progression may differ across populations. However, comprehensive multicenter prospective data from Chinese patients with multiple system atrophy remain limited.
This prospective multicenter registry study aims to describe the clinical characteristics, longitudinal progression, and outcomes of Chinese patients with multiple system atrophy, to identify factors associated with disease progression and prognosis, and to establish a longitudinal cohort for future biomarker validation and clinical trial design.
Read the detailed description
Multiple system atrophy is an adult-onset, progressive neurodegenerative disorder characterized by parkinsonism, cerebellar ataxia, autonomic dysfunction, and variable non-motor manifestations. The disease is pathologically associated with alpha-synuclein accumulation and neuronal and glial degeneration in multiple brain regions. Due to its rarity, clinical heterogeneity, rapid progression, and poor prognosis, large-scale prospective studies are needed to better define its natural history and to support future therapeutic development.
This study is a prospective, observational, multicenter registry study conducted in China. Eligible participants will include patients with clinically established or clinically probable multiple system atrophy according to the 2022 Movement Disorder Society diagnostic criteria. Parkinson disease patients and healthy or non-neurodegenerative controls may also be enrolled for comparative analyses.
Data will be collected through in-person visits, medical record review, standardized clinical scales, neurological examinations, autonomic function testing, neuroimaging, laboratory tests, and biospecimen collection. Longitudinal follow-up will be performed at prespecified time points, including alternating in-person and telephone-based assessments when applicable. Clinical scales may include the Unified Multiple System Atrophy Rating Scale, Movement Disorder Society-sponsored Unified Parkinson's Disease Rating Scale, non-motor symptom scales, autonomic symptom scales, and disability measures. Neuroimaging, autonomic function tests, electrophysiological or oculomotor evaluations, and biospecimen-based analyses may be performed according to the study protocol and local clinical practice.
The main objectives are to characterize the clinical features and longitudinal disease course of Chinese patients with multiple system atrophy, compare clinical characteristics between MSA-P and MSA-C subtypes, identify clinical and paraclinical factors associated with disease progression and prognosis, and establish a longitudinal platform for subsequent biomarker validation and clinical trial design.
- Keywords
- Multiple system atrophy, natural history, prospective cohort, multicenter registry, disease progression, neuroimaging, biomarkers, alpha-synuclein
- Medical subject headings
- Multiple System Atrophy, Parkinson Disease, Disease Progression, Parkinson Disease 4, Autosomal Dominant Lewy Body
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| MSA | Not described | |
| PD | Not described | |
| HC | Healthy control / Control without neurodegenerative diseases |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in disease severity
Change in disease severity as measured by the Unified Multiple System Atrophy Rating Scale over longitudinal follow-up.
Measured: Baseline to up to 36 months after enrollment.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Jun 2026
- Study start1 Jun 2025
- Primary completion31 Dec 2029 (estimated)
- Study completion30 Jun 2030 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Multiple System AtrophyStudies of the same condition, open and under way.
- More trials run by Peking University First HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 214 participants (estimated)
- Target duration
- 6 Months
Sponsor and investigators
- Lead sponsor
- Peking University First Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Zhaoxia Wang, MD, Principal investigator, Department of Neurology, Peking University First Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07644013
- Sponsor's protocol ID
- MSARegistryStudy-20250302
- Acronym
- MSA Registry S
- Status last verified
- May 2026
- First submitted
- 8 Jun 2026
- Last updated
- 12 Jun 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Study at a glance
From the registry record, last updated by the sponsor on 12 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Clinical Features and Natural History of Multiple System Atrophy: A Prospective Multicenter Registry Study in China
- ClinicalTrials.gov ID
- NCT07644013
- Acronym / sponsor ID
- MSA Registry S / MSARegistryStudy-20250302
- Keywords
- Multiple system atrophy, natural history, prospective cohort, multicenter registry, disease progression, neuroimaging, biomarkers, alpha-synuclein
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 214 participants (estimated)
- Lead sponsor
- Peking University First HospitalUniversity, hospital or other
- Study start
- 1 Jun 2025 (actual)
- Primary completion
- 31 Dec 2029 (estimated)
- Study completion
- 30 Jun 2030 (estimated)
- First posted
- 12 Jun 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Multiple system atrophy is a rare, rapidly progressive neurodegenerative disease characterized by variable combinations of parkinsonism, cerebellar ataxia, and autonomic dysfunction. Existing natural history studies from North America, Europe, and Japan suggest that clinical phenotypes and disease progression may differ across populations. However, comprehensive multicenter prospective data from Chinese patients with multiple system atrophy remain limited.
This prospective multicenter registry study aims to describe the clinical characteristics, longitudinal progression, and outcomes of Chinese patients with multiple system atrophy, to identify factors associated with disease progression and prognosis, and to establish a longitudinal cohort for future biomarker validation and clinical trial design.
Detailed description
Multiple system atrophy is an adult-onset, progressive neurodegenerative disorder characterized by parkinsonism, cerebellar ataxia, autonomic dysfunction, and variable non-motor manifestations. The disease is pathologically associated with alpha-synuclein accumulation and neuronal and glial degeneration in multiple brain regions. Due to its rarity, clinical heterogeneity, rapid progression, and poor prognosis, large-scale prospective studies are needed to better define its natural history and to support future therapeutic development.
This study is a prospective, observational, multicenter registry study conducted in China. Eligible participants will include patients with clinically established or clinically probable multiple system atrophy according to the 2022 Movement Disorder Society diagnostic criteria. Parkinson disease patients and healthy or non-neurodegenerative controls may also be enrolled for comparative analyses.
Data will be collected through in-person visits, medical record review, standardized clinical scales, neurological examinations, autonomic function testing, neuroimaging, laboratory tests, and biospecimen collection. Longitudinal follow-up will be performed at prespecified time points, including alternating in-person and telephone-based assessments when applicable. Clinical scales may include the Unified Multiple System Atrophy Rating Scale, Movement Disorder Society-sponsored Unified Parkinson's Disease Rating Scale, non-motor symptom scales, autonomic symptom scales, and disability measures. Neuroimaging, autonomic function tests, electrophysiological or oculomotor evaluations, and biospecimen-based analyses may be performed according to the study protocol and local clinical practice.
The main objectives are to characterize the clinical features and longitudinal disease course of Chinese patients with multiple system atrophy, compare clinical characteristics between MSA-P and MSA-C subtypes, identify clinical and paraclinical factors associated with disease progression and prognosis, and establish a longitudinal platform for subsequent biomarker validation and clinical trial design.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Target follow-up
- 6 Months
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| MSA | – | – |
| PD | – | – |
| HC | – | –Healthy control / Control without neurodegenerative diseases |
Who may qualify
- Ages
- 40 to 75 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Patients with MSA or PD who visited the outpatient department or wards of tertiary hospitals. Those who voluntarily participated, along with the family members of healthy individuals without neurodegenerative diseases, served as healthy controls.
Key inclusion criteria (5 listed)
- Patients with clinically established or clinically probable multiple system atrophy according to the 2022 Movement Disorder Society diagnostic criteria; or
- Patients with clinically established or clinically probable Parkinson disease according to the Movement Disorder Society diagnostic criteria; or
- Healthy controls or controls without hereditary or neurodegenerative diseases who voluntarily agree to participate.
- Age between 40 and 75 years.
- Ability to provide informed consent or availability of a legally authorized representative when applicable.
Key exclusion criteria (6 listed)
- Parkinsonism that cannot be classified as Parkinson disease or multiple system atrophy at the time of evaluation.
- Clinical suspicion or diagnosis of other atypical parkinsonian syndromes, including progressive supranuclear palsy, dementia with Lewy bodies, or corticobasal syndrome.
- Secondary parkinsonism due to intracranial space-occupying lesions, normal pressure hydrocephalus, drug-induced parkinsonism, or other identifiable causes.
- Comorbid diseases that may substantially affect autonomic function, such as diabetic peripheral neuropathy or amyloidosis.
- Refusal to participate in the study or refusal to undergo routine clinical evaluations for parkinsonian syndromes.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Change in disease severity
Time frame: Baseline to up to 36 months after enrollment.
Change in disease severity as measured by the Unified Multiple System Atrophy Rating Scale over longitudinal follow-up.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 12 Jun 2026.
- Individual participant dataSharing planned: Undecided
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Yunchuang Sun, MD contact
Zhaoxia Wang, MD principal investigator
Department of Neurology, Peking University First Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Multiple System Atrophy and Parkinson's Disease, run by Peking University First Hospital at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 12 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Yunchuang Sun, MD (sychuang0805@163.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in disease severity (time frame: Baseline to up to 36 months after enrollment.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Jun 2026.