GLP-1 & weight-loss clinical trials in Washington
12 GLP-1 or weight-loss trials are recruiting in Washington as of July 14, 2026, with sites in Bellevue, Burien, Renton, Seattle, Spokane and more. Many studies reimburse time and travel — the amount is set by each study and confirmed when you contact the team.
- A Master Protocol Study (LY900038) of Multiple Intervention-Specific-Appendices (ISAs) in Adult Participants With Obesity or Overweight
Phase 2 · ~1481 participants · NCT06143956
Studied intervention: Tirzepatide
Washington site: Wenatchee
- Weight Loss in Adults Using Semaglutide (Real-world Study)
Interventional · ~35000 participants · NCT07627074
Studied intervention: Semaglutide
Washington site: Seattle
- A Study to Investigate Effectiveness of Tirzepatide Following Initiation of Ixekizumab in Participants With Active Psoriatic Arthritis and Overweight or Obesity in Clinical Practice (TOGETHER AMPLIFY-PsA)
Phase 4 · ~200 participants · NCT06864026
Studied intervention: Tirzepatide
Washington sites: Seattle, Spokane Valley
- A Research Study Comparing How Well Different Doses of the Medicine NNC0519-0130 Can Reduce Kidney Damage in People Living With Chronic Kidney Disease
Phase 2 · ~465 participants · NCT06717698
Studied intervention: Semaglutide
Washington site: Spokane
- A Research Study Comparing Different Ways of Increasing the Dose of NNC0662-0419 in Participants With Obesity
Phase 2 · ~230 participants · NCT07639021
Studied intervention: Semaglutide, Semaglutide placebo
Washington site: Renton
- A Study of Orforglipron (LY3502970) in Participants With Obesity or Overweight and Osteoarthritis (OA) of the Knee
Phase 3 · ~800 participants · NCT07153471
Studied intervention: Orforglipron
Washington site: Bellevue
- Tirzepatide in PWS, HO and GNSO
Phase 4 · ~36 participants · NCT06901245
Studied intervention: Tirzepatide
Washington site: Seattle
- A Study of Orforglipron in Female Participants With Stress Urinary Incontinence Who Have Obesity or Overweight
Phase 3 · ~1000 participants · NCT07202884
Studied intervention: Orforglipron
Washington sites: Bellevue, Seattle
- 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 (TOGETHER AMPLIFY-PsO)
Phase 4 · ~200 participants · NCT06857942
Studied intervention: Tirzepatide
Washington sites: Bellevue, Burien
- Mirikizumab and Tirzepatide Administered in Adult Participants With Moderately to Severely Active Crohn's Disease and Obesity or Overweight
Phase 3 · ~290 participants · NCT06937099
Studied intervention: Tirzepatide
Washington site: Tacoma
- 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
Phase 3 · ~350 participants · NCT06937086
Studied intervention: Tirzepatide
Washington site: Tacoma
- Proof-of-Concept Study Evaluating Total Body Weight, Physical Function & Safety of Enobosarm in Patients Treated With GLP-1 Receptor Agonist, for Weight Loss
Phase 2 · ~200 participants · NCT07446998
Studied intervention: Semaglutide (Wegovy) weekly injection
Washington site: Seattle
What joining a GLP-1 trial in Washington actually involves
Every study above is registered on ClinicalTrials.gov, the US National Library of Medicine's public registry, and each link goes straight to that record — the one place the eligibility criteria, the schedule of visits and the contact details are kept current. A recruiting listing means the study is actively enrolling; it does not mean you are eligible until the study team screens you.
- Reimbursement is not the same as payment. Many studies cover time and travel, but the amount is set per study and confirmed by the team — treat any specific figure you see elsewhere as unverified until they tell you.
- You may receive a placebo. Most of these are randomized, so joining is not a guaranteed route to the active drug. That is worth weighing if your goal is treatment rather than contributing to the evidence.
- Trial participation is free to join and separate from a prescription. If your aim is to start a GLP-1 now, compare the cash-pay routes instead — trials are a different path with a different purpose.
Source: ClinicalTrials.gov (US National Library of Medicine), public-domain data, snapshot July 14, 2026. This is not medical advice or a recruitment service — confirm status, eligibility, and compensation on each linked ClinicalTrials.gov record and discuss any trial with your clinician.