CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 41 enrolled
Drug / intervention
Ravulizumab +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04557735
NCT04557735Phase 3Completed

A Phase 3, Open-label, Single Arm, Multicenter Study of Ravulizumab in Addition to Best Supportive Care in Pediatric Participants With Thrombotic Microangiopathy (TMA) After Hematopoietic Stem Cell Transplantation (HSCT)

Alexion Pharmaceuticals, Inc.·interventional·Posted Sep 22, 2020·Updated Jan 12, 2026

In Brief

A Phase 3 clinical trial evaluating Ravulizumab and Best Supportive Care for Thrombotic Microangiopathy. Completed, enrolled 41 participants across 26 sites in 7 countries.

Detailed Summary

This study will evaluate the safety, efficacy, pharmacokinetics, and pharmacodynamics of ravulizumab administered by intravenous infusion to pediatric participants, from 1 month to \< 18 years of age, with HSCT-TMA. The treatment period is 26 weeks, followed by a 26-week off-treatment follow-up period.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesIsrael, Italy, Japan, South Korea, Spain, United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
202120222023202420252026
First PostedSep 22, 2020
Enrollment StartDec 7, 2020
Primary CompletionNov 26, 2024
Study CompletionMay 27, 2025
TodayJul 2, 2026
Enrollment to primary: 4.0 yearsPosted 5.8 years ago

Interventions

Ravulizumabdrug

Weight-based doses of ravulizumab will be administered intravenously as a loading dose regimen followed by maintenance dosing every 4 or 8 weeks, depending upon weight.

Best Supportive Careother

Participants will receive medications, therapies, and interventions per standard hospital treatment protocols (unless specifically prohibited by the protocol).