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Completed Phase 2Phase 3 Interventional Results available

A Study of Lirentelimab (AK002) in Patients With Active Eosinophilic Esophagitis

ClinicalTrials.gov ID: NCT04322708

Public ClinicalTrials.gov record NCT04322708. 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 20, 2026, 10:49 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 Phase 2/3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Lirentelimab (AK002) in Adult and Adolescent Patients With Active Eosinophilic Esophagitis

Brief summary

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

This is a Phase 2/3, multi-center, randomized, double-blind, placebo-controlled study to assess the efficacy and safety of lirentelimab (AK002) given monthly for 6 doses in adult and adolescent patients with active eosinophilic esophagitis. Subjects who complete the randomized, double-blind, placebo-controlled treatment may have the option to receive 6 doses of open-label lirentelimab (AK002) through the OLE Period of the study.

Study identification

NCT ID
NCT04322708
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Allakos Inc.
Industry
Enrollment
277 participants

Conditions and interventions

Interventions

Other · Drug

Eligibility (public fields only)

Age range
12 Years to 80 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
Jul 6, 2020 (Actual)
Primary completion
Jun 4, 2021 (Actual)
Completion
Jan 18, 2022 (Actual)
Last update posted
Jan 2, 2024

2020 – 2022

United States locations

U.S. sites
73
U.S. states
29
U.S. cities
65
Facility City State ZIP Site status
Allakos Investigational Site Birmingham Alabama 35209 —
Allakos Investigational Site Huntsville Alabama 38801 —
Allakos Investigational Site Gilbert Arizona 85234 —
Allakos Investigational Site Phoenix Arizona 85016 —
Allakos Investigational Site Phoenix Arizona 85021 —
Allakos Investigational Site Scottsdale Arizona 85251 —
Allakos Investigational Site Little Rock Arkansas 72205 —
Allakos Investigational Site La Jolla California 92037 —
Allakos Investigational Site Los Angeles California 90025 —
Allakos Investigational Site Oakland California 94612 —
Allakos Investigational Site Santa Monica California 90404 —
Allakos Investigational Site Tustin California 92780 —
Allakos Investigational Site Ventura California 93003 —
Allakos Investigational Site Walnut Creek California 94598 —
Allakos Investigational Site Aurora Colorado 80045 —
Allakos Investigational Site Centennial Colorado 80112 —
Allakos Investigational Site Brandon Florida 33511 —
Allakos Investigational Site Edgewater Florida 32132 —
Allakos Investigational Site Jacksonville Florida 32256 —
Allakos Investigational Site Miami Florida 33176 —
Allakos Investigational Site Orlando Florida 32803 —
Allakos Investigational Site Orlando Florida 32806 —
Allakos Investigational Site Tampa Florida 33603 —
Allakos Investigational Site Tampa Florida 33615 —
Allakos Investigational Site Atlanta Georgia 30342 —
Allakos Investigational Site Columbus Georgia 31904 —
Allakos Investigational Site Chicago Illinois 60611 —
Allakos Investigational Site Indianapolis Indiana 46202 —
Allakos Investigational Site Iowa City Iowa 52242 —
Allakos Investigational Site Lexington Kentucky 40503 —
Allakos Investigational Site Crowley Louisiana 70526 —
Allakos Investigational Site Chevy Chase Maryland 20815 —
Allakos Investigational Site Boston Massachusetts 02111 —
Allakos Investigational Site Boston Massachusetts 02115 —
Allakos Investigational Site Boston Massachusetts 02215 —
Allakos Investigational Site Ann Arbor Michigan 48109 —
Allakos Investigational Site Troy Michigan 48098 —
Allakos Investigational Site Kansas City Missouri 64108 —
Allakos Investigational Site Kalispell Montana 59901 —
Allakos Investigational Site Las Vegas Nevada 89106 —
Allakos Investigational Site Reno Nevada 89511 —
Allakos Investigational Site Great Neck New York 11021 —
Allakos Investigational Site New York New York 10029 —
Allakos Investigational Site Asheville North Carolina 28801 —
Allakos Investigational Site Chapel Hill North Carolina 27599 —
Allakos Investigational Site Charlotte North Carolina 28210 —
Allakos Investigational Site Charlotte North Carolina 28277 —
Allakos Investigational Site Durham North Carolina 27710 —
Allakos Investigational Site High Point North Carolina 27262 —
Allakos Investigational Site Rocky Mount North Carolina 27804 —
Allakos Investigational Site Akron Ohio 44302 —
Allakos Investigational Site Cincinnati Ohio 45229 —
Allakos Investigational Site Cincinnati Ohio 45231 —
Allakos Investigational Site Cleveland Ohio 44106 —
Allakos Investigational Site Dayton Ohio 45415 —
Allakos Investigational Site Mentor Ohio 44060 —
Allakos Investigational Site Oklahoma City Oklahoma 73112 —
Allakos Investigational Site Danville Pennsylvania 17822 —
Allakos Investigational Site Philadelphia Pennsylvania 19104 —
Allakos Investigational Site Greenville South Carolina 29615 —
Allakos Investigational Site Chattanooga Tennessee 37421 —
Allakos Investigational Site Hixson Tennessee 37343 —
Allakos Investigational Site Nashville Tennessee 37212 —
Allakos Investigational Site Austin Texas 78704 —
Allakos Investigational Site Garland Texas 75044 —
Allakos Investigational Site San Antonio Texas 78229 —
Allakos Investigational Site Ogden Utah 84405 —
Allakos Investigational Site Riverton Utah 84065 —
Allakos Investigational Site Salt Lake City Utah 84132 —
Allakos Investigational Site Sandy City Utah 84092 —
Allakos Investigational Site Leesburg Virginia 20176 —
Allakos Investigational Site Seattle Washington 98105 —
Allakos Investigational Site Seattle Washington 98115 —

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 5 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04322708, 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 Jan 2, 2024 · Synced Oct 20, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04322708 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →