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Efficacy and Safety of Butylphthalide in the Treatment of Multiple System Atrophy(ENMSA): A Multicenter, Randomised, Double-blinded, Placebo-controlled Trial

Efficacy and Safety of Butylphthalide in the Treatment of Multiple System Atrophy(ENMSA): A Multicenter, Randomised, Double-blinded, Placebo-controlled Trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600120404
Enrollment
Unknown
Registered
2026-03-13
Start date
2026-03-15
Completion date
Unknown
Last updated
2026-03-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

The motor symptoms, autonomic dysfunction and cerebellar ataxia of multiple system atrophy

Interventions

Butylphthalide group:Orally taken Butylphthalide capsule
Placebo group:Placebo

Sponsors

The second affiliated hospital of Zhejiang University school of medicine
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
30 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Meet a diagnosis for "clinically established MSA" according to the Movement Disorder Society (MDS) diagnostic criteria for multiple system atrophy revised in 2022, as assessed by a neurologist; 2.Patients aged between 30 and 80 years, within 5 years since the initial diagnosis of MSA, and with a life expectancy greater than 3 years; 3.Patients are not entirely dependent on a wheelchair or bedridden and are capable of cooperating with necessary assessments and examinations, including scale evaluations, magnetic resonance imaging (MRI), and PET-CT scans; 4.Patients must have been on a stable medication regimen (for a duration of at least one month) prior to the trial, which may include drugs for anti-Parkinson, anti-autonomic dysfunction, anti-anxiety/depression agents, and sleep aids;

Exclusion criteria

Exclusion criteria: 1.Patients with a diagnosis confirmed by PET-CT or revised during follow-up to other diseases, such as idiopathic Parkinson's disease, progressive supranuclear palsy, corticobasal degeneration, dementia with Lewy bodies, or secondary parkinsonian syndromes. 2.Patients with a history of other major neurological disorders, including ischemic stroke, intracranial hemorrhage, epilepsy, encephalitis, or central nervous system demyelinating diseases; 3.Patients with a history of psychiatric disorders that may involve psychotic symptoms, such as schizophrenia, major depressive disorder, or dissociative -conversion disorders. 4.Patients with severe hepatic or renal impairment (alanine aminotransferase [ALT] or aspartate aminotransferase [AST] levels >2 xULN; Estimated creatinine clearance <30 mL/min; 5.Patients with a heamorrhage event within the past 3 months or a high bleeding risk; 6.Patients with a history of significant craniocerebral trauma or surgery; 7.Patients with severe cognitive impairment (Mini-Mental State Examination [MMSE] score <24); 8.Patients with a history of malignancy or autoimmune diseases; 9.Patients with dysphagia due to severe medullary dysfunction or esophageal disorders, or those unable to comply with medication administration for other reasons; 10.Patients who are pregnant, lactating, or planning a pregnancy within the next year.

Design outcomes

Primary

MeasureTime frame
Autonomic function;Main symptom control of MSA;

Secondary

MeasureTime frame
Overall symptom control of MSA;Mood function;Life quality of MSA;Safety of Butylphthalide capsule;Cognitive function;

Countries

China

Contacts

Public ContactJiali Pu

The second affiliated hospital of Zhejiang University school of medicine

carrie_1105@163.com+86 571 87784752

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 20, 2026