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MSA-01_03

A Multicenter, Randomized, Double-blind, Placebo-controlled Phase III Study of MSA-01 in Patients with Multiple System Atrophy

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031250696
Enrollment
140
Registered
2026-01-30
Start date
2026-02-09
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Multiple System Atrophy (MSA) Multiple System Atrophy

Interventions

Administration of MSA 01 or placebo for 52 weeks.

Sponsors

Mitsui Jun
Lead Sponsor
Tsuji Shoji
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: At the Time of Informed Consent 1. Patients diagnosed as 'clinically established' or 'clinically probable' MSA based on the revised MSA diagnostic criteria of the Movement Disorder Society (MDS). 2. Patients who are able to walk independently or with the use of assistive devices. 3. Patients who are able to attend outpatient visits at the participating study site. At the Start of Study Drug Administration 4. Patients who are able to discontinue the use of CoQ10 supplements.

Exclusion criteria

Exclusion criteria: 1. Patients with severe neurological disorders, other progressive movement disorders, or cognitive impairment. 2. Patients with severe liver disease. 3. Patients with a known history of hypersensitivity to any component of the investigational drug. 4. Pregnant women, breastfeeding women, or women who may be pregnant. 5. Patients who have previously participated in a clinical trial of MSA-01.

Design outcomes

Primary

MeasureTime frame
Change in UMSARS Part 2 score at Week 52 after administration of the investigational drug.

Contacts

Public ContactIkue Wada

The University of Tokyo Hospital

msa-office@umin.ac.jp+81-3-5800-9762

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026