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Phase 2b Study of BIIB122 in Participants with Parkinson's Disease

Phase 2
Recruiting
Conditions
Parkinson's disease
Registration Number
JPRN-jRCT2031220519
Lead Sponsor
Tsuda Hiroshi
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
640
Inclusion Criteria

Clinical diagnosis of PD meeting the Movement Disorder Society Clinical Diagnostic Criteria within 2 years of the Screening Visit, inclusive, and at least 30 years of age at the time of diagnosis.

-Modified Hoehn and Yahr scale Stages 1 to 2 (in OFF state), inclusive, at Screening.

-MDS-UPDRS Parts II and III (in OFF state) combined score <= 40 at Screening.

-Screening genetic test results verifying the absence of a pathogenic LRRK2 variant. Confirmation of this eligibility requirement may come from an accredited genetic test that includes all exclusionary LRRK2 genetic variants.

Exclusion Criteria

-Clinically significant neurological disorder other than PD, including but not limited to stroke, dementia, or seizure, within 5 years of Screening Visit, in the opinion of the Investigator.

-Clinical evidence of atypical parkinsonism (e.g., multiple-system atrophy or progressive supranuclear palsy) or evidence of drug-induced parkinsonism.

-MoCA score < 24 at the Screening Visit.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Time to confirmed worsening in MDS-UPDRS Parts II and III combined score over the treatment period
Secondary Outcome Measures
NameTimeMethod
-Incidence of AEs and SAEs during the treatment period<br><br>-Time to confirmed worsening in MDS-UPDRS Part II score over the treatment period<br><br>-Change in MDS-UPDRS Parts II and III combined score from Baseline to Week 48<br><br>-Time to confirmed worsening on SE-ADL over the treatment period<br><br>-Change in MDS-UPDRS Parts I, II, and III combined score from Baseline to Week 48
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