Asthma clinical trials

588 studies are looking for volunteers right now. Search near you to see which are close by and who can take part.

Or see all asthma studies in TrialFinder. Live data from ClinicalTrials.gov, updated daily.

At a glance

Recruiting now
With U.S. sites
Accept healthy volunteers
150
people without the condition

Where the studies are

U.S. states with the most recruiting asthma studies. A study counts once in each state where it has a site.

  1. California63
  2. Florida60
  3. Texas57
  4. New York52
  5. Ohio41
  6. Maryland38
  7. Pennsylvania38
  8. Colorado37
  9. Massachusetts37
  10. North Carolina37
  11. Illinois33
  12. South Carolina30

Also in China (88), United Kingdom (61), France (52), Canada (46), Germany (35), Spain (33), Italy (26), Poland (26).

Types of study

Phases 1 to 4 test medicines, from first safety checks to long-term follow-up after approval. Trials of devices and programs have no phase. Observational studies give no study treatment.

  • Early phase 12
  • Phase 121
  • Phase 1 / Phase 25
  • Phase 264
  • Phase 2 / Phase 35
  • Phase 362
  • Phase 425
  • No phase (devices, programs)179
  • Observational225

Recently updated studies

Recruiting asthma studies whose listing changed most recently. Open one in TrialFinder to check if you might qualify.

Worth knowing

  • Taking part is your choice, and you can stop at any time.
  • Each study has rules about who can join. The study team checks them with you before you start.
  • Talk to your doctor about whether a study is a good fit for you.