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Completed Phase 2 Interventional

Study to Assess the Efficacy and Safety of Atuliflapon in Moderate-to-Severe Uncontrolled Asthma

ClinicalTrials.gov ID: NCT05251259

Public ClinicalTrials.gov record NCT05251259. 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 Sep 5, 2026, 1:25 AM 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 2a, Randomised, Double-Blind, Placebo-Controlled Study to Assess Efficacy and Safety of Atuliflapon Given Orally Once Daily for Twelve Weeks in Adults With Moderate to Severe Uncontrolled Asthma

Brief summary

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

This is a randomised, placebo-controlled, double-blind study to assess the efficacy and safety of Atuliflapon administered once daily over a 12-week treatment period to adult participants with moderate to severe uncontrolled asthma.

Study identification

NCT ID
NCT05251259
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
AstraZeneca
Industry
Enrollment
670 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 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
Jan 26, 2022
Primary completion
Jan 6, 2026
Completion
Jan 6, 2026
Last update posted
Jan 13, 2026

2022 – 2026

United States locations

U.S. sites
64
U.S. states
22
U.S. cities
55
Facility City State ZIP Site status
Research Site Birmingham Alabama 35211
Research Site Sheffield Alabama 35660
Research Site Phoenix Arizona 85020
Research Site Tucson Arizona 85741
Research Site Little Rock Arkansas 72212
Research Site Bakersfield California 93301
Research Site Fountain Valley California 92708
Research Site Huntington Beach California 92647
Research Site Los Angeles California 90025
Research Site Newport Beach California 92663
Research Site San Jose California 95117
Research Site Valencia California 91355
Research Site Colorado Springs Colorado 80907
Research Site Cutler Bay Florida 33157
Research Site Cutler Bay Florida 33189
Research Site Hialeah Florida 33012
Research Site Hialeah Florida 33015
Research Site Hialeah Florida 33016
Research Site Miami Florida 33125
Research Site Miami Florida 33155
Research Site Miami Florida 33173
Research Site Miami Florida 33174
Research Site Orlando Florida 32807
Research Site Tampa Florida 33613
Research Site Tampa Florida 33615
Research Site Fayetteville Georgia 30214
Research Site Lithonia Georgia 30038
Research Site Savannah Georgia 31406
Research Site Boise Idaho 83706
Research Site Lexington Kentucky 40509
Research Site Owensboro Kentucky 42301
Research Site Oxon Hill Maryland 20745
Research Site New Bedford Massachusetts 02740
Research Site Ann Arbor Michigan 48105
Research Site Farmington Hills Michigan 48336
Research Site Saint Charles Missouri 63301
Research Site St Louis Missouri 63141
Research Site East Orange New Jersey 07018
Research Site Toms River New Jersey 08755
Research Site The Bronx New York 10459
Research Site Valhalla New York 10595
Research Site Charlotte North Carolina 28210
Research Site Charlotte North Carolina 28287
Research Site Gastonia North Carolina 28054
Research Site Wilmington North Carolina 28401
Research Site Blue Ash Ohio 45242
Research Site Dayton Ohio 45439
Research Site Edmond Oklahoma 73034
Research Site Pittsburgh Pennsylvania 15241
Research Site Columbia South Carolina 29204
Research Site Greenville South Carolina 29615
Research Site Spartanburg South Carolina 29303
Research Site Austin Texas 78705
Research Site Beaumont Texas 77701
Research Site Bellaire Texas 77401
Research Site Dallas Texas 75225
Research Site El Paso Texas 79902
Research Site El Paso Texas 79903
Research Site Houston Texas 77022
Research Site McKinney Texas 75069
Research Site San Antonio Texas 78258
Research Site Sugar Land Texas 77479
Research Site Tomball Texas 77375
Research Site Milwaukee Wisconsin 53228

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 170 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05251259, 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 13, 2026 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05251259 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →