RecruitingPhase 3NCT07020819

An Open Label Clinical Study to Evaluate Tanruprubart (Also Commonly Known as ANX005) in Participants With Guillain-Barré Syndrome (FORWARD Study)

An Open-Label Study to Evaluate the Pharmacokinetics, Pharmacodynamics, Efficacy, and Safety of a Single Dose of Tanruprubart (Also Commonly Known as ANX005) in Participants With Guillain-Barré Syndrome (GBS) (FORWARD Study)


Sponsor

Annexon, Inc.

Enrollment

30 participants

Start Date

Sep 12, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

The goal of this open label study is to measure pharmacokinetics, pharmacodynamics, early efficacy, and safety of tanruprubart in adult and pediatric participants, in the United States, Canada, and Europe.


Eligibility

Min Age: 12 YearsMax Age: 85 Years

Inclusion Criteria3

  • Diagnosis of GBS according to the National Institute of Neurological Disorders and Stroke Diagnostic Criteria for GBS.
  • Onset of GBS-related weakness ≤10 days before start of infusion on Day 1
  • GBS-disability score (DS) score of 3, 4, or 5 at screening and before start of infusion on Day 1.

Exclusion Criteria3

  • Previous or intended treatment with either plasma exchange or IV immunoglobulin for GBS.
  • Diagnosis of a variant of GBS, including Miller Fisher syndrome, Bickerstaff's encephalitis, and overlap syndromes.
  • Other protocol-defined criteria may apply.

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Interventions

DRUGTanruprubart

Solution for IV infusion.


Locations(9)

HonorHealth Bob Bové Neuroscience Institute

Scottsdale, Arizona, United States

Children's Hospital of Orange County

Orange, California, United States

University of California Irvine

Orange, California, United States

University of Colorado Hospital

Aurora, Colorado, United States

Ochsner LSU Health

Shreveport, Louisiana, United States

University Massachusetts Chan Medical School

Worcester, Massachusetts, United States

Henry Ford Health

Detroit, Michigan, United States

Mayo Rochester

Rochester, Minnesota, United States

Aarhus University Hospital

Aarhus, Aarhus N, Denmark

View Full Details on ClinicalTrials.gov

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NCT07020819


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