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Asthma clinical trials recruiting in the U.S.
97 studies for Asthma are recruiting participants at sites across the United States.
Asthma is a chronic lung disease. It causes asthma attacks, which make your airways inflamed and narrowed, and your lungs get less air. Learn about treatments.
Cities with the most studies
- Miami, FL13 studies
- New York City, NY11 studies
- Boston, MA11 studies
- The Bronx, NY10 studies
- Dallas, TX10 studies
- Houston, TX9 studies
- Kansas City, KS9 studies
- Durham, NC9 studies
- St. Louis, MO9 studies
- Oklahoma City, OK9 studies
- Washington, DC9 studies
- Charlotte, NC7 studies
- Orlando, FL7 studies
- Aurora, CO7 studies
- Pittsburgh, PA7 studies
- Tampa, FL7 studies
- Cincinnati, OH6 studies
- Toledo, OH6 studies
- San Antonio, TX6 studies
- Colorado Springs, CO5 studies
- Farmington Hills, MI5 studies
- San Diego, CA5 studies
- Baltimore, MD5 studies
- The Woodlands, TX5 studies
- Ann Arbor, MI5 studies
- Evansville, IN4 studies
- Hialeah, FL4 studies
- San Jose, CA4 studies
- McKinney, TX4 studies
- Cleveland, OH4 studies
- Long Beach, CA4 studies
- Philadelphia, PA4 studies
- Lancaster, CA4 studies
- Nashville, TN4 studies
- Newport Beach, CA4 studies
- Bakersfield, CA4 studies
- Columbia, MD4 studies
- Denver, CO4 studies
- Austin, TX4 studies
- Omaha, NE4 studies
By state
- Alabama6 studies
- Arizona7 studies
- California24 studies
- Colorado16 studies
- District of Columbia3 studies
- Florida26 studies
- Georgia6 studies
- Illinois9 studies
- Indiana4 studies
- Kansas11 studies
- Kentucky6 studies
- Louisiana4 studies
- Maryland11 studies
- Massachusetts16 studies
- Michigan12 studies
- Missouri14 studies
- Nebraska4 studies
- Nevada3 studies
- New Jersey8 studies
- New York24 studies
- North Carolina16 studies
- Ohio14 studies
- Oklahoma11 studies
- Oregon4 studies
- Pennsylvania12 studies
- South Carolina7 studies
- South Dakota3 studies
- Tennessee5 studies
- Texas23 studies
- Utah3 studies
- Virginia5 studies
- Washington3 studies
- Wisconsin5 studies
Recently updated studies
A Study to Investigate GB-0895 Adjunctive Therapy in Adults and Adolescents With Severe Uncontrolled Asthma (SOLAIRIA-1)
RecruitingPhase 3
Ages 12 to 80 · All sexes · Updated Nov 13, 2026 · NCT07276724Roll-over Study for Participants Who Have Completed a Previous Clinical Study With Benralizumab (Fasenra) and Benefit From Continued Treatment
RecruitingPhase 3
Ages 6 and older · All sexes · Updated Nov 13, 2026 · NCT07444567A Study to Investigate the Efficacy and Safety of GSK5784283 Compared With Placebo in Participants With Uncontrolled Asthma (PERSIST ASTHMA-2)
RecruitingPhase 3
Ages 12 to 80 · All sexes · Updated Nov 12, 2026 · NCT07782996A Study to Investigate the Efficacy and Safety of Tezepelumab Compared With Placebo in Children 5 to < 12 Years Old With Severe Asthma
RecruitingPhase 3
Ages 5 to 11 · All sexes · Updated Nov 10, 2026 · NCT06023589Evaluating the Efficacy and Safety of PT027 Compared With PT007 Administered As Needed in Participants 12 to < 18 Years of Age With Asthma
RecruitingPhase 3
Ages 12 to 17 · All sexes · Updated Nov 10, 2026 · NCT06307665Role of Genetic Factors in the Development of Lung Disease
RecruitingObservational studyHealthy volunteers welcome
Ages 2 to 90 · All sexes · Updated Nov 9, 2026 · NCT00001532A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate-To-Severe Asthma
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Nov 6, 2026 · NCT06977581Pilot Study to Identify the Mediators and Inflammatory Cell Surface Receptors Involved in Allergic Airway Inflammation
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 50 · All sexes · Updated Nov 6, 2026 · NCT00595491A Study to Evaluate Brenipatide Compared With Placebo in Adult Participants With Uncontrolled Moderate to Severe Asthma
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Nov 5, 2026 · NCT07219173A Study to Learn About the Study Medicine Called Tilrekimig ( PF-07275315) in People With Severe Asthma
RecruitingPhase 3
Ages 12 to 80 · All sexes · Updated Nov 5, 2026 · NCT07869043A Study Evaluating Disease Characteristics and Outcomes in Participants With Asthma in Routine Clinical Practice
RecruitingObservational study
Ages 6 and older · All sexes · Updated Nov 5, 2026 · NCT07556159A Study to Compare Safety of 4 Weeks Exposure to Propellants Hydrofluoroalkane 1,1-difluoroethane (HFA-152a) and HFA-1,1,1,2-tetrafluoroethane (134a)
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Nov 5, 2026 · NCT07645248Rademikibart IV for Acute Asthma and COPD Exacerbation
RecruitingPhase 2
Ages 18 to 85 · All sexes · Updated Nov 4, 2026 · NCT07705737A Study of JNJ-95597528 in Participants With Inadequately Controlled Moderate to Severe Asthma
RecruitingPhase 2
Ages 18 to 85 · All sexes · Updated Nov 3, 2026 · NCT07746687A Study to Investigate GB-0895 Adjunctive Therapy in Adults and Adolescents With Severe Uncontrolled Asthma (SOLAIRIA-2)
RecruitingPhase 3
Ages 12 to 80 · All sexes · Updated Nov 3, 2026 · NCT07359846A Study to Learn How Different Amounts of the Study Medicine Called PF-08103402 Are Tolerated and Act in the Body in Healthy Adults or Adults With Mild To-moderate Asthma
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 65 · All sexes · Updated Nov 3, 2026 · NCT07660731A Study to Learn About the Study Medicine Called Tilrekimig in People With Severe Asthma
RecruitingPhase 3
Ages 12 to 80 · All sexes · Updated Oct 30, 2026 · NCT07772921Dose Range Finding Study to Assess Efficacy and Safety of Tozorakimab in Adults With Uncontrolled Asthma on Medium-to-High Dose Inhaled Corticosteroids
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Oct 30, 2026 · NCT06932263NHALES (Natural History of Asthma With Longitudinal Environmental Sampling)
RecruitingObservational study
Ages 18 to 60 · All sexes · Updated Oct 27, 2026 · NCT02327897Study of the Effect of Innate on the Inflammatory Response to Endotoxin
RecruitingObservational studyHealthy volunteers welcome
Ages 18 to 100 · All sexes · Updated Oct 26, 2026 · NCT01143480Ventilation and Perfusion in Asthmatics
RecruitingPhase 4
Ages 18 to 75 · All sexes · Updated Oct 23, 2026 · NCT07426458BREATHE: An Efficacy-implementation Trial Among Black Adults With Uncontrolled Asthma
RecruitingHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Oct 23, 2026 · NCT05341726Study to Evaluate the Safety, Pharmacology and Efficacy of WIN378 in Adults With Moderate or Severe Asthma
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Oct 21, 2026 · NCT07120503The Increase of Lung Capacity Using the Lung Master (Pulmonary Exerciser)
RecruitingHealthy volunteers welcome
Ages 19 and older · All sexes · Updated Oct 19, 2026 · NCT06524856Safety of Cultured Allogeneic Adult Umbilical Cord or Placental Derived Mesenchymal Stem Cells for Pulmonary Diseases
RecruitingPhase 1
All ages · All sexes · Updated Oct 16, 2026 · NCT05147688From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.