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Clinical Trial Summary

This study was a multi-center, randomized, open-label, active comparator-controlled, parallel group study. The purpose of this Phase 3 study in PNH patients presenting with residual anemia despite treatment with anti-C5 antibody, was to determine whether iptacopan is efficacious and safe for the treatment of PNH through demonstration of superiority of iptacopan compared to anti-C5 antibody treatment.

Clinical Trial Description

The study comprised three periods: - A screening period lasting up to 8 weeks (unless there was a need to extend it for vaccinations required for inclusion, vaccinations were started as early as possible to avoid extension of the screening period) - A 24-week randomized, open-label, active controlled, treatment period for the primary efficacy and safety analyses. Patients who met the eligibility criteria at screening were stratified based on the type of prior anti-C5 antibody treatment (eculizumab or ravulizumab) and based on the transfusion history as reported during the last 6 months prior to randomization (i.e. transfusion received/not received). Patients were randomized to one of the two treatment groups in an 8:5 ratio to either iptacopan monotherapy at a dose of 200 mg orally b.i.d. or i.v. anti-C5 antibody treatment (patients continued with the same regimen during the randomized treatment period as they were prior to randomization), respectively. - A 24-week open-label, iptacopan treatment extension period. The patients randomized to the active comparator group were offered to switch to iptacopan on Day 168 (Week 24 visit) and entered the treatment extension period, after receiving a last dose of anti-C5 antibody treatment (eculizumab or ravulizumab). For patients in the comparator group not agreeing to switch treatment, Week 24 visit was the End of Study visit for the trial with no participation in the treatment extension period. For patients agreeing to switch to oral iptacopan, the Extension treatment started on the day after completion of the Week 24 visit. The patients in the iptacopan group who, in the opinion of investigator, benefitted from treatment and were taking iptacopan at Week 24 visit (i.e. did not permanently discontinue study medication), were offered the opportunity to continue oral iptacopan treatment during the treatment extension period. - Data cut-off date used for the primary results submission was 26- Sep-2022 ;

Study Design

Related Conditions & MeSH terms

NCT number NCT04558918
Study type Interventional
Source Novartis
Status Completed
Phase Phase 3
Start date January 25, 2021
Completion date March 6, 2023

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