CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 137 enrolled / 137 target
Drug / intervention
Pegcetacoplandrug
Likely dose
1,080mgfrom 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/NCT03531255
NCT03531255Phase 3CompletedMonitor (1.5/mo)Completion was 9mo ago

An Open Label, Non-Randomized, Multi-Center Extension Study to Evaluate the Long-Term Safety and Efficacy of Pegcetacoplan in the Treatment of Paroxysmal Nocturnal Hemoglobinuria (PNH)

Apellis Pharmaceuticals, Inc.·interventional·Posted May 21, 2018·Updated Jun 5, 2026

In Brief

A Phase 3 clinical trial evaluating Pegcetacoplan for PNH. Completed, enrolled 137 participants across 62 sites in 21 countries.

Signals

Enrolling slower than its timeline implies

Detailed Summary

This is an Open-label, Non-Randomized, Multi-Center Extension Study. Eligible subjects will have previously completed a pegcetacoplan study.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsPNH
CountriesAustralia, Belgium, Bulgaria, Canada, Colombia, France, Germany, Hong Kong, Japan, Malaysia, Mexico, Peru, Philippines, Russia, Serbia, Singapore, South Korea, Spain, Thailand, United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
20192020202120222023202420252026
First PostedMay 21, 2018
Enrollment StartAug 27, 2018
Primary CompletionSep 4, 2025
Study CompletionMay 19, 2026
TodayJul 2, 2026
Enrollment to primary: 7.0 yearsPosted 8.1 years ago

Arms & Interventions

1,080 mg pegcetacoplan administered subcutaneouslyexperimental

1,080mg pegcetacoplan administered subcutaneously twice weekly or every three days.

Drug: Pegcetacoplan

Interventions

Pegcetacoplandrug

Complement (C3) Inhibitor