macrocyclic peptide complement inhibitor

Zilucoplan

US: FDA-approvedEU: AuthorisedUK: AuthorisedCA: AuthorisedAU: RegisteredCH: AuthorisedBR: Not on the registerRS: Not on the registerSG: Not on the registerTR: Ruhsatli

Answer

Zilucoplan is authorised or registered in the US, the EU, the UK, Canada, Australia, Switzerland and Turkey: 7 of the 10 registers read. Highest trial phase: Phase 3 (4 phase 3 trials, 0 with posted results). It has 24 registered trials, 6 of them running. Brand names on the FDA label register: Zilbrysq.

RegulatorTrial register10 regulators' registers, read 2026-09-03 to 2026-10-03 · ClinicalTrials.gov and EU CTIS, read 2026-10-03

Not medical, legal or regulatory advice.

Registered trials24Trial register ClinicalTrials.gov and EU CTIS
Running now6Trial register recruiting, active or enrolling
Results posted12Trial register with results on the register
Stopped early8.3%Trial register all peptides: 10%

24 trials by status

Trial register
Running 6Completed 11Stopped early 2Other or not stated 5

ClinicalTrials.gov and EU CTIS · read 2026-10-03 · 12 trials have posted results

Trials first submitted per year

Trial register

ClinicalTrials.gov first-submitted date, last 7 years · read 2026-10-03. 5 trials carry no first-submitted date (EU CTIS publishes none, or the year is outside this range).

Status by jurisdiction

World map
Authorised or registeredNot on the register, or withdrawnNot read yet, or status unknown
WhereStatusRegisterRead
United StatesFDA-approvedFDA, openfda2026-10-03
European UnionAuthorisedEMA, ema2026-10-03
United KingdomAuthorisedMHRA, uk-mhra2026-10-03
CanadaAuthorisedHealth Canada, ca-dpd2026-10-03
AustraliaRegisteredTGA, au-artg2026-10-03
SwitzerlandAuthorisedSwissmedic, ch-swissmedic2026-10-03
BrazilNot on the registerANVISA, br-anvisa2026-09-03
SerbiaNot on the registerALIMS, rs-alims2026-09-03
SingaporeNot on the registerHSA, sg-hsa2026-09-03
TurkeyRuhsatliTITCK, tr-titck2026-09-03

An EU decision applies in the 30 territories the EU register covers: its member states, and Iceland, Liechtenstein and Norway. A dashed tile has no register read for this peptide.

Side effects

Trial register
3 placebo-controlled trials · 303 people on Zilucoplan · grey is placebo
Injection site bruising17.3% 10.9%
Constipation13.4% 5.9%
Injection site pain12.5% 3.9%
Headache9.6% 6.8%
Diarrhoea8.2% 3.9%
ClinicalTrials.gov posted results · read 2026-10-03All side effects

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REGISTERED TRIALS

Newest 10 of 24 trials

All 24 trials
NCT06055959
A Study to Evaluate Subcutaneous Zilucoplan in Pediatric Participants With Generalized Myasthenia Gravis
currently recruiting participants · register updated 2026-10-02
NCT06435312
An Open-label Extension Study to Evaluate Subcutaneous Zilucoplan in Pediatric Participants With Generalized Myasthenia Gravis
enrolling by invitation only · register updated 2026-10-02
NCT07215949
Zilucoplan for Severe gMG Exacerbations
currently recruiting participants · register updated 2026-08-28
NCT06961747
A Study to Assess Zilucoplan Concentration in Breast Milk of Healthy Lactating Women
currently recruiting participants · register updated 2026-08-27
NCT04225871
Open-Label Extension of Zilucoplan in Subjects With Generalized Myasthenia Gravis
completed · register updated 2026-08-12
NCT04297683
HEALEY ALS Platform Trial - Master Protocol
running, but no longer enrolling · register updated 2026-07-21
2022-502072-23-00
A MULTICENTER OPEN-LABEL, UNCONTROLLED STUDY TO EVALUATE THE PHARMACOKINETICS, PHARMACODYNAMICS, SAFETY, TOLERABILITY, AND ACTIVIT
no status recorded · register updated 2026-06-05
2022-502073-42-00
AN OPEN-LABEL EXTENSION STUDY TO EVALUATE THE LONG-TERM SAFETY, TOLERABILITY, PHARMACOKINETICS, PHARMACODYNAMICS, AND ACTIVITY OF
no status recorded · register updated 2026-06-05
NCT06471361
A Study to Evaluate the Safe and Effective Use of a Zilucoplan Auto-injector by Study Participants With Generalized Myasthenia Gra
completed · register updated 2026-03-27
NCT06511076
A Study to Evaluate Zilucoplan Injected Subcutaneously Either by a Prefilled Syringe or an Auto-injector in Healthy Adult Particip
completed · register updated 2026-01-06

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