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Terminated Phase 1 Interventional

A Pharmacokinetics and Safety Study of BIIB132 in Adults With Spinocerebellar Ataxia 3

ClinicalTrials.gov ID: NCT05160558

Public ClinicalTrials.gov record NCT05160558. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 7:44 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1, Blinded, Randomized, Placebo-controlled Study to Investigate the Safety, Tolerability, and Pharmacokinetics of Multiple Ascending Doses of BIIB132 Administered Intrathecally to Adults With Spinocerebellar Ataxia 3

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of this study is to evaluate the safety and tolerability of multiple ascending doses of BIIB132 administered via intrathecal (IT) injection to participants with spinocerebellar ataxia type 3 (SCA3). The secondary objective of this study is to characterize the multiple-dose pharmacokinetics (PK) of BIIB132 administered via IT injection to participants with SCA3.

Study identification

NCT ID
NCT05160558
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1
Lead sponsor
Biogen
Industry
Enrollment
8 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 1, 2022
Primary completion
Jul 24, 2023
Completion
Jul 24, 2023
Last update posted
Aug 3, 2023

2022 – 2023

United States locations

U.S. sites
10
U.S. states
8
U.S. cities
10
Facility City State ZIP Site status
University of California - Los Angeles Los Angeles California 90035
University of California San Francisco San Francisco California 94143
University of Florida, Center for Movement Disorders Gainesville Florida 32610
Movement Disorder Center Florida Tampa Florida 33612
Massachusetts General Hospital Boston Massachusetts 02114
Washington University St Louis Missouri 63110
Columbia Univeristy Medical Center New York New York 10032
Pennsylvania Neurological Institute Philadelphia Pennsylvania 19107
Houston Methodist Research Institute Houston Texas 77030
University of Washington Seattle Washington 98195

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 10 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05160558, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 3, 2023 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05160558 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →