Phase 2b Pivotal Study of Izokibep in Non-infectious, Intermediate-, Posterior- or Pan-uveitis

Last updated: February 20, 2025
Sponsor: ACELYRIN Inc.
Overall Status: Terminated

Phase

2

Condition

Posterior Uveitis

Uveitis

Treatment

Izokibep

Placebo

Clinical Study ID

NCT05384249
21103
2024-514975-16-00
2021-006498-49
  • Ages 18-75
  • All Genders

Study Summary

Izokibep is a small protein molecule that acts as a selective, potent inhibitor of interleukin-17A, to which it binds with high affinity. This study investigates izokibep in subjects with active non-infectious, intermediate-, posterior- or pan-uveitis requiring high-dose steroids.

Eligibility Criteria

Inclusion

Inclusion Criteria:

General

  • Subject has provided signed informed consent including consenting to comply with therequirements and restrictions listed in the informed consent form (ICF) and in thisprotocol.

  • 18 years to 75 years of age

Type of Subject and Disease Characteristics

  • Subject is diagnosed with non-infectious intermediate-, posterior- or pan-uveitis

  • Active disease defined by the presence of at least 1 of the following criteria in atleast 1 eye despite treatment with stable doses of corticosteroids for at least 2weeks prior to day 1:

  • Active, inflammatory, chorioretinal and/or inflammatory retinal vascular lesionby dilated indirect ophthalmoscopy, fundus photography, fluorescein angiography (FA), and Spectral-Domain Optical Coherence Tomography (SD-OCT) to determinewhether a lesion is active or inactive (the central reading center assessmentusing FA, fundus photography and/or SD-OCT is required to confirm eligibilityprior to day 1).

  • ≥ 2+ vitreous haze (National Eye Institute [NEI]/Standardization of UveitisNomenclature [SUN] criteria) by digital indirect ophthalmoscope and fundusphotography (the central reading center assessment using fundus photography isrequired to confirm eligibility prior to day 1).

  • Currently receiving treatment with oral corticosteroids (≥ 7.5 mg/day to ≤ 40 mg/dayoral prednisone/prednisolone or corticosteroid equivalent) at a stable dose for atleast 2 weeks prior to day 1.

Exclusion

Exclusion Criteria:

Disease-related Medical Conditions

  • Subject with isolated anterior uveitis

  • Subject with serpiginous choroidopathy

  • Subject with confirmed or suspected infectious uveitis

  • Subject with corneal or lens opacity that precludes visualization of the fundus orthat likely requires cataract surgery during the duration of the study

  • Subject with intraocular pressure of ≥ 25 mmHg while on ≥ 2 glaucoma medications orevidence of glaucomatous optic nerve injury

  • Subject with severe vitreous haze that precludes visualization of the fundus priorto first dose of study drug

  • Subject has a contraindication for mydriatic eye drops OR subject cannot be dilatedsufficiently well to permit good fundus visualization

  • Subject with best corrected visual acuity (BCVA) < 20 letters (Early TreatmentDiabetic Retinopathy Study [ETDRS]) in at least 1 eye prior to first dose of studydrug

  • Subject with proliferative or severe non-proliferative retinopathy or clinicallysignificant macular edema due to diabetic retinopathy

  • Subject with neovascular/wet age-related macular degeneration

  • Subject with an abnormality of the vitreo-retinal interface with the potential formacular structural damage independent of the inflammatory process

  • Subject with a history of active scleritis ≤ 12 months of first dose of study drug

Other protocol defined Inclusion/Exclusion criteria may apply

Study Design

Total Participants: 96
Treatment Group(s): 2
Primary Treatment: Izokibep
Phase: 2
Study Start date:
August 23, 2022
Estimated Completion Date:
February 07, 2025

Connect with a study center

  • Clinical Research Site

    Graz, 8036
    Austria

    Site Not Available

  • Clinical Research Site

    Salzburg, 5020
    Austria

    Site Not Available

  • Clinical Research Site

    Vienna, 1090
    Austria

    Site Not Available

  • Clinical Research Site

    Brno, 625 00
    Czechia

    Site Not Available

  • Clinical Research Site

    Pardubice, 530 02
    Czechia

    Site Not Available

  • Clinical Research Site

    Prague, 140 52
    Czechia

    Site Not Available

  • Clinical Research Site

    Praha, 128 08
    Czechia

    Site Not Available

  • Clinical Research Site

    Lyon, 69004
    France

    Site Not Available

  • Clinical Research Site

    Marseille, 13008
    France

    Site Not Available

  • Clinical Research Site

    Paris, 75019
    France

    Site Not Available

  • Clinical Research Site

    Berlin, 13355
    Germany

    Site Not Available

  • Clinical Research Site

    Bonn, 53127
    Germany

    Site Not Available

  • Clinical Research Site

    Hamburg, 20246
    Germany

    Site Not Available

  • Clinical Research Site

    Kiel, 24105
    Germany

    Site Not Available

  • Clinical Research Site

    Leipzig, 4103
    Germany

    Site Not Available

  • Clinical Research Site

    Munster, 48145
    Germany

    Site Not Available

  • Clinical Research Site

    Münster, 48149
    Germany

    Site Not Available

  • Clinical Research Site

    Milan, 20122
    Italy

    Site Not Available

  • Clinical Research Site

    Milano, 20157
    Italy

    Site Not Available

  • Clinical Research Site

    Reggio Emilia, 42123
    Italy

    Site Not Available

  • Clinical Research Site

    Barcelona, 8907
    Spain

    Site Not Available

  • Clinical Research Site

    Madrid, 28040
    Spain

    Site Not Available

  • Clinical Research Site (4007)

    Santiago De Compostela, 15706
    Spain

    Site Not Available

  • Clinical Research Site (4008)

    Santiago De Compostela, 15706
    Spain

    Site Not Available

  • Clinical Research Site

    Valencia, 46015
    Spain

    Site Not Available

  • Clinical Research Site

    Zaragoza, 28040
    Spain

    Site Not Available

  • Clinical Research Site

    Phoenix, Arizona 85020-5505
    United States

    Site Not Available

  • Clinical Research Site

    Bakersfield, California 93309
    United States

    Site Not Available

  • Clinical Research Site

    Beverly Hills, California 90211-1841
    United States

    Site Not Available

  • Clinical Research Site

    Los Angeles, California 90095-7065
    United States

    Site Not Available

  • Clinical Research Site

    Palo Alto, California 94303
    United States

    Site Not Available

  • Clinical Research Site

    Pasadena, California 91107-3747
    United States

    Site Not Available

  • Clinical Research Site

    Redlands, California 92373
    United States

    Site Not Available

  • Clinical Research Site

    Sacramento, California 95825
    United States

    Site Not Available

  • Clinical Research Site

    San Francisco, California 94109
    United States

    Site Not Available

  • Clinical Research Site

    Stanford, California 94303
    United States

    Site Not Available

  • Clinical Research Site

    Denver, Colorado 80246
    United States

    Site Not Available

  • Clinical Research Site

    Lakewood, Colorado 80228
    United States

    Site Not Available

  • Clinical Research Site

    Clearwater, Florida 33761
    United States

    Site Not Available

  • Clinical Research Site

    Marietta, Georgia 30060-8935
    United States

    Site Not Available

  • Clinical Research Site

    Oak Park, Illinois 60304-1096
    United States

    Site Not Available

  • Clinical Research Site

    Indianapolis, Indiana 46290
    United States

    Site Not Available

  • Clinical Research Site

    New Orleans, Louisiana 70112
    United States

    Site Not Available

  • Clinical Research Site

    Hagerstown, Maryland 21740-5940
    United States

    Site Not Available

  • Clinical Research Site

    Waltham, Massachusetts 02451
    United States

    Site Not Available

  • Clinical Research Site

    Detroit, Michigan 48201-1423
    United States

    Site Not Available

  • Clinical Research Site

    Palisades Park, New Jersey 07650-2322
    United States

    Site Not Available

  • Clinical Research Site

    New York, New York 10003
    United States

    Site Not Available

  • Clinical Research Site

    Winston-Salem, North Carolina 27157
    United States

    Site Not Available

  • Clinical Research Site

    Cleveland, Ohio 44106
    United States

    Site Not Available

  • Clinical Research Site

    Portland, Oregon 97239
    United States

    Site Not Available

  • Clinical Research Site

    Erie, Pennsylvania 16507-1429
    United States

    Site Not Available

  • Clinical Research Site

    Pittsburgh, Pennsylvania 15213
    United States

    Site Not Available

  • Clinical Research Site

    Charleston, South Carolina 29414
    United States

    Site Not Available

  • Clinical Research Site

    Nashville, Tennessee 37232
    United States

    Site Not Available

  • Clinical Research Site

    Austin, Texas 78714
    United States

    Site Not Available

  • Clinical Research Site

    Bellaire, Texas 77401-3218
    United States

    Site Not Available

  • Clinical Research Site

    Houston, Texas 77030
    United States

    Site Not Available

  • Clinical Research Site

    Plano, Texas 75075-5025
    United States

    Site Not Available

  • Clinical Research Site

    Spokane, Washington 99204-2509
    United States

    Site Not Available

  • Clinical Research Site

    Madison, Wisconsin 53705-3644
    United States

    Site Not Available

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