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An Efficacy, Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Study of BIIB067 (Tofersen) in Adults With Inherited Amyotrophic Lateral Sclerosis (ALS) — VALOR (Part C)  

Amyotrophic Lateral Sclerosis Clinical Trial

Official title:
A Study to Evaluate the Efficacy, Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of BIIB067 Administered to Adult Subjects With Amyotrophic Lateral Sclerosis and Confirmed Superoxide Dismutase 1 Mutation

Clinical Trial Summary

The primary objectives of Parts A and B of this study are to evaluate the safety, tolerability, and pharmacokinetics (PK) of ascending doses of tofersen in adults with ALS and a documented superoxide dismutase 1 (SOD1) mutation. The primary objective of Part C of this study is to evaluate the clinical efficacy of tofersen administered to adults with ALS and a confirmed SOD1 mutation. The secondary objective of Parts A and B of this study is to evaluate the effects of tofersen on levels of total SOD1 protein in the cerebrospinal fluid (CSF). The secondary objectives of Part C are to evaluate the safety, tolerability, pharmacodynamic (PD), and biomarker effects of tofersen.

Clinical Trial Description

This is a 3-part study to examine the efficacy, safety, tolerability, PK, and PD of tofersen. Part A is the single ascending dose (SAD) component of the study, Part B is the multiple ascending dose (MAD) component of study and Part C is the fixed dose component of the study. Hence, the overall phase of development of the study is 1/2/3. The study completed on 16 Jul 2021. In total, the study enrolled 176 participants, of which 108 enrolled in Part C. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02623699
Study type Interventional
Source Biogen
Contact
Status Completed
Phase Phase 3
Start date January 20, 2016
Completion date July 16, 2021
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