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A Study Evaluating the Efficacy, Safety, Pharmacokinetics and Pharmacodynamics of Crovalimab in Participants With Paroxysmal Nocturnal Hemoglobinuria (PNH) Not Previously Treated With Complement Inhibition

NCT04654468 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 51

Last updated 2026-05-12

Study results available
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Summary

This study will enroll participants aged 12 years or older with a body weight ≥ 40 kilograms (kg) diagnosed with PNH who have not been previously treated with complement inhibitor therapy. Approximately 50 participants will be treated with Crovalimab for at least 24 weeks.

Conditions

Interventions

DRUG

Crovalimab

Crovalimab will be administered at a dose of 1000 milligrams (mg) IV (for participants with body weight between 40 and 100 kg) or 1500 mg IV (for participants with body weight ≥ 100 kg) on Week 1 Day 1. On Week 1 Day 2 and on Weeks 2, 3 and 4, it will be administered at a dose of 340 mg SC. For Week 5 and Q4W thereafter, it will be administered at a dose of 680 mg SC (for participants with body weight between 40 and 100 kg) or 1020 mg SC (for participants with body weight ≥ 100 kg). Dosing schedule will be as described above.

Sponsors & Collaborators

Principal Investigators

  • Clinical Trials · Hoffmann-La Roche

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
12 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-03-17
Primary Completion
2022-02-10
Completion
2026-12-31
FDA Drug
Yes

Countries

  • China

Study Locations

More Related Trials

Entities

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 NCT04654468 on ClinicalTrials.gov