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Clinical Trial Summary

The ALSpire Study is a clinical trial evaluating the investigational drug BIIB105 in adults living with amyotrophic lateral sclerosis (ALS). The ALSpire Study consists of two parts: - Part 1: 6-month placebo-controlled study. During Part 1, participants are randomly assigned to receive either BIIB105 or placebo in a 3:1 or 2:1 ratio (depending on the participant's assigned Cohort). - Part 2: up to 3-year long-term open-label extension. During Part 2, all participants receive BIIB105. The objectives of the study are to evaluate: - The safety and tolerability of BIIB105 in people with ALS - What the body does to BIIB105 (also called "pharmacokinetics") - What BIIB105 does to the body (also called "pharmacodynamics") - Whether BIIB105 can slow the worsening of clinical function


Clinical Trial Description

About BIIB105: - BIIB105 is an investigational drug designed to reduce the levels of a protein called ATXN2. It is administered intrathecally (via a procedure called lumbar puncture). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04494256
Study type Interventional
Source Biogen
Contact
Status Active, not recruiting
Phase Phase 1/Phase 2
Start date September 28, 2020
Completion date July 15, 2026

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