Status:

ACTIVE_NOT_RECRUITING

A Study to Evaluate the Efficacy and Safety of Taldefgrobep Alfa in Participants With Spinal Muscular Atrophy

Lead Sponsor:

Biohaven Pharmaceuticals, Inc.

Conditions:

Spinal Muscular Atrophy

Neuromuscular Diseases

Eligibility:

All Genders

4-21 years

Phase:

PHASE3

Brief Summary

This trial will study the efficacy and safety of taldefgrobep alfa as an adjunctive therapy for participants who are already taking a stable dose of nusinersen and/or risdiplam and/or have a history o...

Detailed Description

Myostatin is a negative regulator of muscle growth. Blocking myostatin activity has been shown to increase muscle size and function. Taldefgrobep alfa directly blocks myostatin activity and was well t...

Eligibility Criteria

Inclusion

  • Key
  • Spinal Muscular Atrophy confirmed by genetic diagnosis of 5q-autosomal recessive SMA as well as SMN2 copy number
  • Ambulant or Non-Ambulant
  • Treated with an SMA disease-modifying therapy and anticipated to remain on that same treatment regimen and dose throughout the trial including nusinersen and/or risdiplam and/or a history of onasemnogene abeparvovec
  • Key

Exclusion

  • Cannot have previously taken anti-myostatin therapies
  • Must weigh at least 15kg
  • Respiratory insufficiency, defined by the medical necessity for invasive or non-invasive ventilation for daytime treatment while awake (use overnight or during daytime naps is acceptable)
  • History of Spinal Fusion within 6 months of Screening. MAGEC rod nonsurgical adjustments are allowed during the study
  • Presence of an implanted shunt for the drainage of CSF or an implanted central nervous system (CNS) catheter

Key Trial Info

Start Date :

July 6 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 1 2026

Estimated Enrollment :

269 Patients enrolled

Trial Details

Trial ID

NCT05337553

Start Date

July 6 2022

End Date

January 1 2026

Last Update

August 26 2025

Active Locations (53)

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Page 1 of 14 (53 locations)

1

Phoenix Children's

Phoenix, Arizona, United States, 85016

2

UCSD & Rady Children's

La Jolla, California, United States, 92037

3

Children's Hospital of Los Angeles

Los Angeles, California, United States, 90027

4

UCSF Benioff Children's Hospital, Medical Center

San Francisco, California, United States, 94158