160 Participants Needed

Riliprubart vs IVIg for CIDP (VITALIZE Trial)

(VITALIZE Trial)

Recruiting at 11 trial locations

Trial Summary

What is the purpose of this trial?

This study compares the effectiveness of an investigational study drug, riliprubart, against standard IVIg treatment for the management of chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). It is a Phase 3 study. Disclaimer: Intended for U.S. Audiences Only. ©2026 Sanofi US Services, Inc. All Rights Reserved. The investigational study drug is not approved by health authorities such as the US Food and Drug Administration (FDA) and is still under investigation, so its effectiveness and safety have not been established.

Timeline

Screening

Participants are evaluated to confirm eligibility

Up to 8 weeks
1 Visit

Study Treatment

Participants receive regular doses of either riliprubart (with placebo IVIg) or IVIg continuation (with placebo riliprubart).

24 weeks
8 Visits

Open-label Extension

All participants receive open-label riliprubart through Week 48.

24 weeks
6 Visits

Follow-up

Participants are monitored after completing treatment through two clinic visits and some phone calls.

55 weeks
2 Visits

Find a Clinic Near You

Who Is Running the Clinical Trial?

Sanofi

Lead Sponsor