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A Study Evaluating the Safety, Pharmacokinetics, and Efficacy of Crovalimab Versus Eculizumab in Participants With Paroxysmal Nocturnal Hemoglobinuria (PNH) Currently Treated With Complement Inhibitors

NCT04432584 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 190

Last updated 2026-04-28

No results posted yet for this study

Summary

A study designed to evaluate the safety of crovalimab with eculizumab in participants with PNH currently treated with complement inhibitors. This study will enroll approximately 190 participants.

Conditions

Interventions

DRUG

Crovalimab

Dosing depends on body weight. Participants will be dosed as follows: * 5 kg to \< 12 kg: 100 mg IV on Week 1 Day 1 (W1D1); 85 mg SC on Week 1 Day 2 (W1D2) and Q2W from Week 3 until end of study * 12 kg to \< 20 kg: 200 mg IV on W1D1; 85 mg SC on W1D2, Weeks 2, 3 and 4; 170 mg SC, Q2W from Week 5 until end of study * 20 kg to \< 30 kg: 300 mg IV on W1D1; 85 mg SC on W1D2, Weeks 2, 3 and 4; 340 mg SC, Q4W from Week 5 until end of study * 30 kg to \< 40 kg: 400 mg IV on W1D1; 170 mg SC on W1D2, Weeks 2, 3 and 4; 510 mg SC, Q4W from Week 5 until end of study * 40 kg to \< 100 kg: 1000 mg IV on W1D1; 340 mg SC W1D2, Weeks 2, 3 and 4; 680 mg SC, Q4W from Week 5 until end of study * 100 kg: 1500 mg IV on W1D1; 340 mg SC W1D2, Weeks 2, 3 and 4; 1020 mg SC, Q4W from Week 5 until end of study.

DRUG

Eculizumab

Eculizumab will be administered at a dose of 900 mg Q2W, as per the dosing schedule described above.

Sponsors & Collaborators

Principal Investigators

  • Clinical Trials · Hoffmann-La Roche

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
2 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-09-30
Primary Completion
2027-09-30
Completion
2027-09-30
FDA Drug
Yes

Countries

  • United States
  • Belgium
  • Brazil
  • Czechia
  • Estonia
  • France
  • Germany
  • Greece
  • Hong Kong
  • Hungary
  • Ireland
  • Italy
  • Japan
  • Netherlands
  • Poland
  • Portugal
  • Saudi Arabia
  • Singapore
  • South Korea
  • Spain
  • Sweden
  • Taiwan
  • Turkey (Türkiye)
  • United Kingdom

Study Locations

More Related Trials

Entities

Drugs
Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04432584 on ClinicalTrials.gov