Drugs / CIT-013
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CIT-013

Monoclonal antibody

Developed for
rheumatoid arthritis · hidradenitis suppurativa
Investigated by
Citryll BV

Trials 4

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT07499908 May → Aug 2026 overdue — Citryll BV Not yet recruiting No outcome recorded
Phase 23 trials
Phase 2 NCT07147959 Jan → Oct 2026 expected rheumatoid arthritis Citryll BV Recruiting No outcome recorded
Phase 2 NCT06993233 Oct 2025 → Apr 2027 expected hidradenitis suppurativa Citryll BV Recruiting No outcome recorded
Phase 2 NCT06567470 Jul 2025 → Apr 2027 expected rheumatoid arthritis Citryll BV Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 3

DateIssuerRelease
2025-10-27 Citryll BV Results Citryll presents positive data from phase I study of CIT-013 in Rheumatoid Arthritis at ACR convergence 2025 citryll.com ↗
The featured poster highlights findings from Citryll’s Phase I clinical trial of CIT-013 in participants with RA and healthy volunteers, which demonstrated that CIT-013 was generally well tolerated across all participants, with no serious treatment-related events reported.
2025-02-20 Citryll BV Results Citryll Demonstrates a Broader Therapeutic Potential for CIT-013 in the Treatment of Inflammatory Disorders citryll.com ↗
The study demonstrates that CIT-013, originally developed to target NETs, also effectively inhibits the formation of eosinophil extracellular traps (EETs) with the same potency and verifies the presence of CIT-013’s epitope on EETs.
2020-03-20 Citryll BV Results Landmark paper on Citryll’s NET inhibitor programme published in Nature’s Cellular and Molecular Immunology citryll.com ↗
The publication describes 5 non-clinical in vivo pharmacological studies, as well as human Rheumatoid Arthritis (RA), Systemic lupus erythematosus (SLE) and mouse in vitro NET formation pharmacology.

All press releases naming this drug 11 releases

DateIssuerRelease

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as CIT-013 “CIT-013 is a novel humanized monoclonal antibody designed to inhibit NET release and enhance phagocytosis, offering a new potential therapeutic strategy for RA and HS.” NCT07147959 ↗
3

NCT06993233 ↗

NCT06567470 ↗

NCT07499908 ↗

Modality Monoclonal antibody “CIT-013 is an IgG1k monoclonal antibody consisting of two identical light chain polypeptides composed of 219 amino acids each and two identical heavy chain polypeptides...” NCT07499908 ↗
Route Subcutaneous “Subcutaneous injection” NCT06567470 ↗