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Study identifier: NCT04777331 Synced from ClinicalTrials.gov · August 07, 2026
● Study status: Active Not Recruiting

A Study to Evaluate the Efficacy and Safety of Intravenous Prasinezumab in Participants With Early Parkinson's Disease

Condition: Parkinsons Disease  ·  Sponsor: Hoffmann-La Roche

PhasePhase 2
Planned participants586
Who can joinAll sexes, 50 Years to 85 Years
Healthy volunteersNo

About this study

This is a multicenter, randomized, double-blind, placebo-controlled study that will evaluate the efficacy and safety of intravenous (IV) prasinezumab versus placebo in participants with Early Parkinson's Disease (PD) who are on stable symptomatic PD medication.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Locations (110)

University of Alabama at BirminghamBirmingham, Alabama, United States
Barrow Neurological InstitutePhoenix, Arizona, United States
Neurology Center of North Orange CountyFullerton, California, United States
UC San DiegoLa Jolla, California, United States
Keck School of Medicine of USCLos Angeles, California, United States
Cedars Sinai Medical CenterLos Angeles, California, United States
University of California San FranciscoSan Francisco, California, United States
CenExel Rocky Mountain Clinical Research, LLCEnglewood, Colorado, United States
Institute for Neurodegenerative DisordersNew Haven, Connecticut, United States
JEM Research LLCAtlantis, Florida, United States
Parkinson's Disease and Movement Disorders Center of Boca RatonBoca Raton, Florida, United States
Renstar Medical ResearchOcala, Florida, United States

+ 98 more locations — full list on the registry record.

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