Weight loss · Seattle area, WA
Weight loss and obesity studies in Seattle area, WA
24 recruiting studies have a site in the Seattle area. This page includes nearby cities such as Bellevue, Kirkland, Redmond, Renton.
24 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 3
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics
- Location
- Renton, WA + 55 other US sites
- Eligibility basics
- Ages 18–79
- RecruitingPhase 3
Efficacy, Safety and Tolerability of Switching From Glucagon-like Peptide-1 Receptor Agonists (GLP-1RA) to Maridebart Cafraglutide in Adults With Obesity or Overweight (MARITIME-SWITCH)
Amgen
- Location
- Redmond, WA + 51 other US sites
- Eligibility basics
- Ages 18–99
- RecruitingPhase 2
Safety and Efficacy of ABBV-295 in Adults With Obesity or Overweight With Weight-Related Comorbidities
AbbVie
- Location
- Renton, WA + 58 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Research Study to See How Much CagriSema Lowers Blood Sugar and Body Weight Compared to Placebo in Children and Adolescents With Type 2 Diabetes
Novo Nordisk A/S
- Location
- Seattle, WA + 13 other US sites
- Eligibility basics
- Ages 10–18
- RecruitingPhase 3
A Clinical Study to Evaluate the Effects of Enicepatide (RO7795068) in Participants With Obesity or Overweight and Type 2 Diabetes
Hoffmann-La Roche
- Location
- Redmond, WA + 44 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide
Eli Lilly and Company
- Location
- Redmond, WA + 24 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study of Orforglipron in Female Participants With Stress Urinary Incontinence Who Have Obesity or Overweight
Eli Lilly and Company
- Location
- Bellevue, WA + 17 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingPhase 3
Efficacy and Safety of Eloralintide (LY3841136) in Participants With Osteoarthritis Knee Pain and Obesity or Overweight
Eli Lilly and Company
- Location
- Kirkland, WA + 37 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Mirikizumab Administered at the Same Time as Tirzepatide in Adult Participants With Moderately to Severely Active Ulcerative Colitis and Obesity or Overweight: Phase 3b Study
Eli Lilly and Company
- Location
- Tacoma, WA + 36 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
Mirikizumab and Tirzepatide Administered in Adult Participants With Moderately to Severely Active Crohn's Disease and Obesity or Overweight
Eli Lilly and Company
- Location
- Tacoma, WA + 34 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 3
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
Novo Nordisk A/S
- Location
- Renton, WA + 18 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Research Study Investigating How Well the Medicine Zenagamtide Helps People With Excess Body Weight Lose Weight Compared to Semaglutide
Novo Nordisk A/S
- Location
- Renton, WA + 32 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
AMAZE 1: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight Lose Weight
Novo Nordisk A/S
- Location
- Renton, WA + 21 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
AMAZE 3: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Not Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea
Novo Nordisk A/S
- Location
- Renton, WA + 14 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 4
A Study to Investigate the Effectiveness of Tirzepatide (LY3298176) Following Initiation of Ixekizumab (LY2439821) in Participants With Moderate-to-Severe Plaque PsO and Obesity or Overweight in Clinical Practice…
Eli Lilly and Company
- Location
- Bellevue, WA + 38 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
AMAZE 6: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Knee Osteoarthritis Lose Weight and Reduce Pain
Novo Nordisk A/S
- Location
- Bellevue, WA + 17 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Efficacy and Safety of Aleniglipron in Participants With Obesity or Overweight With a Weight-Related Comorbidity (ACCOMPLISH-1)
Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics
- Location
- Renton, WA + 12 other US sites
- Eligibility basics
- Ages 18–79
- RecruitingPhase 3
A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Knee Osteoarthritis Lose Weight and Reduce Pain
Novo Nordisk A/S
- Location
- Bellevue, WA + 18 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Trial of Setmelanotide in Patients With Congenital Hypothalamic Obesity (Sub-study of NCT05774756)
Rhythm Pharmaceuticals, Inc.
- Location
- Seattle, WA + 7 other US sites
- Eligibility basics
- Ages 4+
- RecruitingHealthy volunteers
Wakaya: Rising Up for Choctaw Youth Health
University of Washington
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 12–19
- RecruitingHealthy volunteers
HealthyTogether: RCT of a Dyadic Weight Management Intervention
VA Office of Research and Development
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
ADAPT Study: Assessing Diet, Appetite and Physiology Throughout Weight Loss Study)
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Building Research for Intervention Development in Gliosis and Eating Habits
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 9+
- RecruitingHealthy volunteers
Puberty, Diabetes, and the Kidneys, When Eustress Becomes Distress (PANTHER Study)
Petter Bjornstad
- Location
- Seattle, WA + 1 other US site
- Eligibility basics
- Ages 8–14
Who these studies look for
Most of these studies set a BMI range and may exclude people taking certain weight-loss medicines or who have had bariatric surgery. Some require a weight-related condition such as type 2 diabetes or high blood pressure.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.