Obesity clinical trials

2,133 studies are looking for volunteers right now. Search near you to see which are close by and who can take part.

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

At a glance

Recruiting now
With U.S. sites
Accept healthy volunteers
757
people without the condition

Where the studies are

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

  1. California153
  2. Texas130
  3. New York106
  4. Florida103
  5. Illinois91
  6. North Carolina85
  7. Maryland79
  8. Pennsylvania78
  9. Ohio77
  10. Missouri76
  11. Massachusetts74
  12. Virginia62

Also in China (226), France (155), Italy (132), Canada (128), Spain (111), United Kingdom (88), Germany (84), Turkey (Türkiye) (67).

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 121
  • Phase 1106
  • Phase 1 / Phase 233
  • Phase 2109
  • Phase 2 / Phase 316
  • Phase 3103
  • Phase 474
  • No phase (devices, programs)1,097
  • Observational574

Recently updated studies

Recruiting obesity 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.