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Obesity clinical trials in Seattle, WA
12 studies for Obesity are looking for participants at sites in and around Seattle (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Efficacy, Safety, and Pharmacokinetics of Tirzepatide (LY3298176) Once Weekly Versus Placebo in Pediatric Participants 6 to Less Than 12 Years of Age Who Have Obesity (ADVANCE-SURMOUNT-KIDS)
RecruitingPhase 3
- Seattle Children's Research Institute - Hughes Building - PIN, Seattle
A Platform Trial for Pediatric Participants With Obesity or Overweight (LY900040)
RecruitingPhase 3
- Seattle Children's Research Institute - Hughes Building - PIN, Seattle
A Study to Evaluate Effect of AZD6234 in Adult Participants With Obesity or Overweight With Weight-related Comorbidity Without Type 2 Diabetes Mellitus
RecruitingPhase 3
- Research Site, Seattle
AMAZE 4: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea
RecruitingPhase 3
- Seattle Clinical Research Center, Seattle
A Research Study Investigating How Well the Medicine Zenagamtide Helps People With Excess Body Weight Lose Weight Compared to Semaglutide
RecruitingPhase 3
- Seattle Clinical Research Center, Seattle
A Study of Once-daily Oral ASC30 to Evaluate the Efficacy and Safety in Adult Participants With Obesity or Overweight With Type 2 Diabetes
RecruitingPhase 3
- AURORA-2 Clinical Site, Seattle
HealthyTogether: RCT of a Dyadic Weight Management Intervention
RecruitingHealthy volunteers welcome
- VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle
A Research Study to Look at How Well NNC0487-0111 Works Compared to Placebo in People With Heart Failure and Obesity
RecruitingPhase 3
- Swedish Medical Center_Seattle, Seattle
Functional Improvement in OSA and COPD With a Telehealth LifeStyle and Exercise Intervention
Recruiting
- VA Puget Sound Health Care System, Seattle
Testing an Integrated PTSD and Weight Management Intervention: A Hybrid Type 1 Trial
Recruiting
- VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle
Tirzepatide in PWS, HO and GNSO
RecruitingPhase 4
- Seattle Children's Hospital, Seattle
ADAPT Study: Assessing Diet, Appetite and Physiology Throughout Weight Loss Study)
RecruitingHealthy volunteers welcome
- Fred Hutch Cancer Center, Seattle
- University of Washington - South Lake Union, Seattle
About Obesity
Read about the causes of obesity and find out what you can do to decrease your risk of its associated health issues.
More about Obesity on MedlinePlus
Obesity trials in other cities
- Houston, TX44 studies
- Chicago, IL40 studies
- New York City, NY39 studies
- San Antonio, TX39 studies
- Washington, DC34 studies
- Dallas, TX33 studies
- Orlando, FL33 studies
- Miami, FL28 studies
- Boston, MA26 studies
- Atlanta, GA26 studies
- Los Angeles, CA25 studies
- St. Louis, MO25 studies
Other studies in Seattle
- Non-Small Cell Lung Cancer55 studies
- Cancer (all types)48 studies
- Prostate Cancer45 studies
- Acute Myeloid Leukemia40 studies
- Metastatic Cancer39 studies
- Breast Cancer37 studies
- Colorectal Cancer35 studies
- Lung Cancer34 studies
- Ovarian Cancer29 studies
- Pancreatic Cancer22 studies
- Multiple Myeloma22 studies
- Acute Lymphoblastic Leukemia22 studies
From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.