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Asthma clinical trials in St. Louis, MO

7 studies for Asthma are looking for participants at sites in and around St. Louis (within about 30 miles). Open a study to see who can join and how to contact the study team.

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ENV-294 for Moderate-to-Severe Asthma: A 12-Week Study in Adults

RecruitingPhase 2
  • Enveda Investigative Site, St Louis
  • Enveda Investigative Site, Maryville · 15 mi away
Ages 18 to 75 · All sexes · Updated Sep 24, 2026 · NCT07301255

A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate-To-Severe Asthma

RecruitingPhase 2
  • Washington University School of Medicine, St Louis
Ages 18 to 70 · All sexes · Updated Sep 22, 2026 · NCT06977581

Resources and Education for Addressing Chronic Health (REACH)

Recruiting
  • WashU School of Medicine, St Louis
Ages 3 to 18 · All sexes · Updated Sep 21, 2026 · NCT07819747

CHEST: A Collaboration With Community HEalth Centers to Implement SmarT for Asthma

RecruitingPhase 4
  • Affinia healthcare, 2220 Lemp Ave, St Louis
  • Affinia healthcare, 1717 Biddle Street, St Louis
  • Affinia healthcare, 4414 North Florissant Avenue, St Louis
  • and 4 more
Ages 12 and older · All sexes · Updated Sep 10, 2026 · NCT07241117

A Randomized, Double-Blind, Placebo-Controlled Trial on Efficacy and Safety of Fluticasone Propionate/Albuterol Sulfate Combination in Participants 12 Years and Older With Asthma

RecruitingPhase 3
  • Teva Investigational Site 12108, St Louis
  • Teva Investigational Site 12089, St Louis
Ages 12 and older · All sexes · Updated Aug 31, 2026 · NCT06664619

Evaluating the Efficacy and Safety of PT027 Compared With PT007 Administered As Needed in Participants 12 to < 18 Years of Age With Asthma

RecruitingPhase 3
  • Research Site, St Louis
Ages 12 to 17 · All sexes · Updated Aug 13, 2026 · NCT06307665

Depemokimab Asthma Imaging and Bronchoscopy Sub-Study

RecruitingPhase 3
  • GSK Investigational Site, St Louis
Ages 18 and older · All sexes · Updated Jul 2, 2026 · NCT06979323

About Asthma

Asthma causes one's airways to become sore and swollen. An attack means a person's lungs are getting less air. Learn about two types of treatment.

More about Asthma on MedlinePlus

Asthma trials in other cities

Other studies in St. Louis

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.