Asthma trials in United States

In United States 148 Also abroad 500

33 of 148 trials · From ClinicalTrials.gov, checked 12 November 2026. Ask the study team whether a trial fits you.

No phaseTaking people
Role of Genetic Factors in the Development of Lung Disease
Where
Bethesda
Age
2 years to 90 years
People
3,500
Run by
National Heart, Lung, and Blood Institute (NHLBI)
See details and how to joinNCT00001532
Phase 4Taking people
A Study Evaluating Disease Characteristics and Outcomes in Participants With Asthma in Routine Clinical Practice
Where
Altamonte Springs, Ann Arbor, Asheville, Bellingham, Bessemer, Boca Raton, Brandon, California City, Chandler, Chicago, Columbia, Columbus, Cortland, Dallas, El Paso, Gastonia, Greenacres City, Greenville, Houston, Hurst, La Palma, Lexington, Lima, Los Angeles, Mesa, Miami, Miami Gardens, Miami Lakes, Missoula, Newport Beach, New Windsor, New York, North Miami Beach, Palm Springs, Papillion, Pasadena, Pittsburgh, Plantation, Port Saint Lucie, Rock Hill, Rockville, Scottsdale, Sewell, Sun City, Tamarac, Tampa, Tarzana, Tennessee City, Toledo, Tomball, Walnut Creek, West Palm Beach
Age
6 years and over
People
2,500 worldwide
Run by
Sanofi
See details and how to joinNCT07556159 · EU 2025-524916-13-00
No phaseEnrolling by invitation
Firefighter's Longitudinal Airway and Respiratory Exposome/Multiome Study (FLARES)
Where
Bethesda
Age
18 years to 65 years
People
350
Run by
National Institute of Allergy and Infectious Diseases (NIAID)
See details and how to joinNCT07867184
No phaseTaking people
NHALES (Natural History of Asthma With Longitudinal Environmental Sampling)
Where
Research Triangle Park
Age
18 years to 60 years
People
400
Run by
National Institute of Environmental Health Sciences (NIEHS)
See details and how to joinNCT02327897
No phaseTaking people
Study of the Effect of Innate on the Inflammatory Response to Endotoxin
Where
Research Triangle Park
Age
18 years to 100 years
People
725
Run by
National Institute of Environmental Health Sciences (NIEHS)
See details and how to joinNCT01143480
No phaseTaking people
A Biorepository of Multiple Allergic Diseases (MADREP) With Longitudinal Follow-Up
Where
Bethesda
Age
3 years to 100 years
People
10,000
Run by
National Institute of Allergy and Infectious Diseases (NIAID)
See details and how to joinNCT06732414
No phaseTaking people
Activation and Function of Eosinophils in Conditions With Blood or Tissue Eosinophilia
Where
Bethesda
Age
1 year to 100 years
People
800
Run by
National Institute of Allergy and Infectious Diseases (NIAID)
See details and how to joinNCT00001406
No phaseTaking people
Microglia Activation in Asthma
Where
Madison
Age
18 years to 75 years
People
50
Run by
University of Wisconsin, Madison
See details and how to joinNCT04307667
No phaseTaking people
Tezspire Cardiac Events PASS
Where
Wilmington
Age
12 years to 130 years
People
16,640 worldwide
Run by
AstraZeneca
See details and how to joinNCT06951867
No phaseTaking people
Personalized Environment and Genes Study
Where
Chapel Hill, Research Triangle Park
Age
18 years to 120 years
People
25,000
Run by
National Institute of Environmental Health Sciences (NIEHS)
See details and how to joinNCT00341237
No phaseTaking people
Post-Vent, the Sequelae: Personalized Prognostic Modeling for Consequences of Neonatal Intermittent Hypoxemia in Preterm Infants at Pre-School Age
Where
Chicago
Age
30 weeks to 83 months
People
500
Run by
Ann & Robert H Lurie Children's Hospital of Chicago
See details and how to joinNCT05336890
No phaseTaking people
Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
Where
Albuquerque, Aurora, Austin, Baltimore, Boston, Chapel Hill, Charleston, Chicago, Cincinnati, Columbia, Dallas, Durham, Hershey, Honolulu, Houston, Indianapolis, Iowa City, Jackson, Jacksonville, Kansas City, Lebanon, Lexington, Little Rock, Los Angeles, Louisville, Madison, Milwaukee, Minneapolis, Morgantown, Nashville, New Orleans, Oklahoma City, Omaha, Palo Alto, Phoenix, Portland, Providence, Salt Lake City, Seattle, Sioux Falls, Wilmington
Age
0 years to 20 years
People
5,000 worldwide
Run by
Duke University
See details and how to joinNCT04278404
No phaseTaking people
Registry of Asthma Characterization and Recruitment 3 (RACR3)
Where
Aurora, Boston, Chicago, Cincinnati, New York, Washington D.C.
People
1,500
Run by
National Institute of Allergy and Infectious Diseases (NIAID)
See details and how to joinNCT05272241
No phaseTaking people
Comparison of Microglial Activation in Severe Asthma and Healthy Controls
Where
Madison
Age
18 years to 75 years
People
100
Run by
University of Wisconsin, Madison
See details and how to joinNCT06299592
No phaseTaking people
Y of Central Maryland Head Start Asthma Implementation
Where
District Heights, Nottingham
Age
18 years and over
People
500
Run by
Johns Hopkins University
See details and how to joinNCT05004714
No phaseTaking people
Protocol CAUSE-03 / CHEETAH
Where
Aurora, Boston, Chicago, Cincinnati, New York, Washington D.C.
Age
6 years to 17 years
People
310
Run by
National Institute of Allergy and Infectious Diseases (NIAID)
See details and how to joinNCT06136091
No phaseTaking people
Evaluation of Ventilation Defects Downstream of Mucus Plugs in Patients With Muco-Obstructive Lung Disease
Where
Kansas City
Age
18 years to 65 years
People
8
Run by
University of Kansas Medical Center
See details and how to joinNCT06985225
No phaseNot yet taking people in United States
Quantifying the Burden of Type 2 (T2) Inflammation in Asthma
Where
New York
Age
18 years and over
People
200
Run by
Icahn School of Medicine at Mount Sinai
See details and how to joinNCT07675044
No phaseTaking people
Use of fenoTRACK Device for Monitoring Changes of Fractional Exhaled Nitric Oxide (FeNO) in Uncontrolled Asthma Subjects and Controlled Asthma Subjects
Where
Asheville, Austin, Bangor, Bellevue, Columbus, Dallas, Ellicott City, El Paso, Glenn Dale, Greenfield, Panama City, Stockton, Toledo
Age
5 years to 100 years
People
160
Run by
Biometry Inc
See details and how to joinNCT07228026
No phaseTaking people
Mechanistic Insights From Bronchoscopy Airway Samples
Where
San Francisco
Age
18 years to 70 years
People
24
Run by
University of California, San Francisco
See details and how to joinNCT06105710
No phaseTaking people
Body Composition Related Evaluation of Airway Tone and Hyper-rEactivity Using Oscillometry
Where
Rochester
Age
18 years and over
People
100
Run by
University of Rochester
See details and how to joinNCT07356310
No phaseEnrolling by invitation
Analysis of the Virtual Acute Care at Home Experience
Where
Peoria
Age
18 years and over
People
9,654
Run by
OSF Healthcare System
See details and how to joinNCT05952999
No phaseTaking people
Biologics And Clinical Immunology Cohort at Sinai
Where
New York
Age
12 years and over
People
800
Run by
Icahn School of Medicine at Mount Sinai
See details and how to joinNCT04784364
No phaseTaking people
Impact of Help-Seeking Behaviors on Allergic Rhinitis and Mental Health: A Longitudinal Study
Where
West Palm Beach
Age
4 years to 100 years
People
200,000
Run by
QHSLab, Inc.
See details and how to joinNCT06623799
No phaseTaking people
Allergy and Immunology Natural History Study
Where
New York
Age
Up to 99 years
People
10,000
Run by
Columbia University
See details and how to joinNCT05584488