Status:

RECRUITING

Safety and Pharmacodynamic Effects of BIIB122 in Participants With LRRK2-Associated Parkinson's Disease (LRRK2-PD)

Lead Sponsor:

Denali Therapeutics Inc.

Collaborating Sponsors:

Biogen

Conditions:

Parkinson Disease

Eligibility:

All Genders

30+ years

Phase:

PHASE2

Brief Summary

This Phase 2a, multicenter, randomized, 12-week double-blind, placebo-controlled, parallel-group study, followed by an OLE, is designed to evaluate the safety, tolerability, and pharmacodynamic effect...

Eligibility Criteria

Inclusion

  • For heterozygous pathogenic LRRK2 mutation carriers: ≥ 30 to ≤ 80 years
  • For homozygous pathogenic LRRK2 mutation carriers: ≥ 30 years
  • Have screening genetic test results verifying the presence of a pathogenic LRRK2 variant.
  • Have a clinical diagnosis of PD meeting the Movement Disorder Society Clinical Diagnostic Criteria.

Exclusion

  • Have a history of any clinically significant neurological disorder other than PD, including, but not limited to, stroke and dementia, in the opinion of the investigator, within 5 years of the screening visit.
  • Have clinical evidence of atypical parkinsonism (eg, multiple-system atrophy or progressive supranuclear palsy) or evidence of drug-induced parkinsonism.
  • Have previously participated or are currently participating in the BIIB122 LUMA study (Study 283PD201).
  • Have previously participated or are currently participating in a gene therapy study for PD.
  • Have a history of brain surgical intervention for PD (eg, deep-brain stimulation, pallidotomy).
  • Have any physical condition that may confound the motor assessment (MDS-UPDRS) over time (eg, severe arthritis, severe dyskinesias, traumatic injuries with permanent physical disability).
  • Abnormal vitals including Blood Pressure, Heart Rate, or Body Temperature
  • Have abnormal PFT results at screening
  • Note: Other protocol defined Inclusion/Exclusion criteria may apply

Key Trial Info

Start Date :

October 24 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 28 2028

Estimated Enrollment :

50 Patients enrolled

Trial Details

Trial ID

NCT06602193

Start Date

October 24 2024

End Date

February 28 2028

Last Update

November 28 2025

Active Locations (16)

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Page 1 of 4 (16 locations)

1

Cedars-Sinai Department of Neurology

Los Angeles, California, United States, 90048

2

University of California San Francisco

San Francisco, California, United States, 94158

3

Parkinson's Disease and Movement Disorders Center

Boca Raton, Florida, United States, 33486

4

Beth Israel Deaconess Medical Center

Boston, Massachusetts, United States, 02215