A Phase 3, Randomized, Double-Blinded, Placebo-Controlled Study Evaluating the Efficacy and Safety of Empasiprubart IV in Adults With Chronic Inflammatory Demyelinating Polyneuropathy

Status: Recruiting
Location: See location...
Intervention Type: Other, Biological
Study Type: Interventional
Study Phase: Phase 3
SUMMARY

The main purpose of this study is to demonstrate the efficacy and safety of empasiprubart in adults with CIDP. The study consists of a part A where participants will either receive empasiprubart or placebo for 24 weeks (6 months). Following part A, participants will enter part B in which all participants will receive empasiprubart for 96 weeks (24 months).

Eligibility
Participation Requirements
Sex: All
Minimum Age: 18
Healthy Volunteers: f
View:

• Meets criteria for CIDP based on EAN/PNS Task Force CIDP guidelines, second revision (2021)

• Has either typical CIDP or 1 of the following CIDP variants: motor CIDP (including motor-predominant CIDP), multifocal CIDP (also known as Lewis-Sumner syndrome), focal CIDP, or distal CIDP

• Has residual disability and active disease

• Has not received previous treatment for CIDP; or has stopped receiving CIDP treatment; or is receiving CIDP treatment (pulsed or oral corticosteroids, immunoglobulins, PLEX, or FcRn inhibitors)

• Participants already receiving CIDP treatment will have to discontinue their CIDP treatment before first IMP administration and must be willing to switch to the study IMP

Locations
United States
Texas
NeuroCarePlus
RECRUITING
Houston
Contact Information
Primary
Sabine Coppieters, MD
clinicaltrials@argenx.com
857-350-4834
Time Frame
Start Date: 2025-09-16
Estimated Completion Date: 2031-01-23
Participants
Target number of participants: 160
Treatments
Experimental: Part A - Empasiprubart
Participants receive empasiprubart during part A
Placebo_comparator: Part A - Placebo
Participants receive placebo during part A
Experimental: Part B - Empasiprubart
Participants receive empasiprubart during part B. Participants from the empasiprubart arm in part A will receive placebo once to maintain the blind of part A.
Sponsors
Leads: argenx

This content was sourced from clinicaltrials.gov