Prospective Multicenter Registry Study of Multiple System Atrophy in China (MSA Registry S)
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.
調査の概要
状態
詳細な説明
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.
研究の種類
入学 (推定)
連絡先と場所
研究連絡先
- 名前：Yunchuang Sun, MD
- メール：sychuang0805@163.com
研究場所
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Beijing Municipality
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Beijing、Beijing Municipality、中国、100034
- 募集
- Peking University First Hospital
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コンタクト：
- Yang Zhao
- 電話番号：(+86)18610320188
- メール：zhaoyang2019@pku.edu.cn
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参加基準
適格基準
就学可能な年齢
- 大人
- 高齢者
健康ボランティアの受け入れ
サンプリング方法
調査対象母集団
説明
Inclusion Criteria
- 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.
Exclusion Criteria
- 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.
研究計画
研究はどのように設計されていますか？
デザインの詳細
コホートと介入
グループ/コホート |
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MSA
|
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PD
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HC
Healthy control / Control without neurodegenerative diseases
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この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Change in disease severity
時間枠：Baseline to up to 36 months after enrollment.
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Change in disease severity as measured by the Unified Multiple System Atrophy Rating Scale over longitudinal follow-up.
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Baseline to up to 36 months after enrollment.
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協力者と研究者
捜査官
- 主任研究者：Zhaoxia Wang, MD、Department of Neurology, Peking University First Hospital
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
追加の関連 MeSH 用語
その他の研究ID番号
- MSARegistryStudy-20250302
個々の参加者データ (IPD) の計画
個々の参加者データ (IPD) を共有する予定はありますか?
医薬品およびデバイス情報、研究文書
米国FDA規制医薬品の研究
米国FDA規制機器製品の研究
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