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Terminated Phase 2Phase 3 Interventional Results available

Psoriatic Arthritis Study of Izokibep

ClinicalTrials.gov ID: NCT05623345

Public ClinicalTrials.gov record NCT05623345. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 3:29 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-blind, Placebo-controlled, Multicenter Phase 2b/3 Study to Evaluate the Efficacy and Safety of Izokibep in Subjects With Active Psoriatic Arthritis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Izokibep is a potent and selective inhibitor of interleukin (IL)-17A that is being developed for treatment of psoriatic arthritis (PsA). This study will evaluate the efficacy of izokibep in subjects with PsA.

Study identification

NCT ID
NCT05623345
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
ACELYRIN Inc.
Industry
Enrollment
351 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 21, 2022 (Actual)
Primary completion
Nov 30, 2023 (Actual)
Completion
Aug 8, 2024 (Actual)
Last update posted
May 23, 2025

2022 – 2024

United States locations

U.S. sites
40
U.S. states
18
U.S. cities
40
Facility City State ZIP Site status
Clinical Research Site Flagstaff Arizona 86001 —
Clinical Research Site Glendale Arizona 85306 —
Clinical Research Site Mesa Arizona 85210 —
Clinical Research Site Phoenix Arizona 85037 —
Clinical Research Site Tucson Arizona 85704 —
Clinical Research Site Jonesboro Arkansas 72401 —
Clinical Research Site Encino California 91436 —
Clinical Research Site Fountain Valley California 92708 —
Clinical Research Site Fullerton California 92835 —
Clinical Research Site Los Angeles California 90045 —
Clinical Research Site Rancho Mirage California 92270 —
Clinical Research Site Sacramento California 95815 —
Clinical Research Site San Diego California 92128 —
Clinical Research Site Santa Monica California 90404 —
Clinical Research Site Upland California 91786 —
Clinical Research Site Aventura Florida 33180 —
Clinical Research Site Clearwater Florida 33765 —
Clinical Research Site Kissimmee Florida 34741 —
Clinical Research Site New Port Richey Florida 34652 —
Clinical Research Site Ormond Beach Florida 32714 —
Clinical Research Site Sarasota Florida 34239-6900 —
Clinical Research Site Gainesville Georgia 30501 —
Clinical Research Site Hinsdale Illinois 60521 —
Clinical Research Site Orland Park Illinois 60467 —
Clinical Research Site Skokie Illinois 60076 —
Clinical Research Site Lexington Kentucky 40504 —
Clinical Research Site Grand Blanc Michigan 48439 —
Clinical Research Site Kalispell Montana 59901 —
Clinical Research Site Santa Fe New Mexico 87505 —
Clinical Research Site Hickory North Carolina 28602 —
Clinical Research Site Middleburg Heights Ohio 44130 —
Clinical Research Site Corvallis Oregon 97330 —
Clinical Research Site Duncansville Pennsylvania 16635-8445 —
Clinical Research Site Jackson Tennessee 38305 —
Clinical Research Site Memphis Tennessee 38119 —
Clinical Research Site Colleyville Texas 76034 —
Clinical Research Site Irving Texas 75013 —
Clinical Research Site Mesquite Texas 75150 —
Clinical Research Site Seattle Washington 98122 —
Clinical Research Site Beckley West Virginia 25801 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 31 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05623345, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 23, 2025 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05623345 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →