Clinical trials · Seattle, WA
Overweight or Obesity clinical trials in Seattle
We’re tracking 34 recruiting overweight or obesity studies with a site in or near Seattle — including Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near Seattle
- NCT06174389Recruiting
Weight loss study: diet, appetite and body changes
This study looks at how diet, appetite, and body changes work together during weight loss. It's designed for people with a BMI of 30 to 50 who want to lose weight and are not taking certain medications or have certain health conditions.
Seattle, WashingtonAges 18–60 - NCT06390345Recruiting
Telehealth lifestyle and exercise for COPD and sleep apnea
This study tests a telehealth program that combines lifestyle coaching and exercise to help people with both COPD and sleep apnea improve their breathing and daily function. It may be a good fit if you are overweight, have a history of smoking, and feel short of breath during light activity.
Seattle, WashingtonAges 18 years+ - NCT05818384Recruiting
Health program for Choctaw youth to improve daily habits
This is a community health program for Choctaw Nation of Oklahoma youth that tries to improve habits related to food, movement, and screen time. It may help you build healthier routines for everyday life.
Seattle, WashingtonAges 12–19 - NCT07817875RecruitingPhase 3
Tirzepatide for weight loss in children aged 6 to under 12
This study tests a once-weekly medication called tirzepatide to help children aged 6 to under 12 with obesity lose weight. It compares the medication to a placebo (inactive shot) to see if it safely helps with weight loss in this age group.
Seattle, WashingtonAges 6–11 - NCT07567001RecruitingPhase 3
Testing NNC0487-0111 for Heart Failure and Obesity
This study tests whether a new medication called NNC0487-0111 can help people with heart failure who also have obesity. Researchers will compare it to a placebo (inactive pill) to see if it improves heart function and overall health.
Seattle, WashingtonAges 18 years+ - NCT07571109RecruitingPhase 3
Weight Loss Medicine for Sleep Apnea on CPAP
This study tests a new injectable medicine (NNC0487-0111) to help people lose weight and improve obstructive sleep apnea (a breathing condition during sleep). You must already be using a CPAP machine (positive airway pressure device) for your sleep apnea.
Seattle, WashingtonAges 18 years+ - NCT06861868Recruiting
Brain and behavior's role in childhood obesity
This study looks at how the brain and behavior contribute to obesity from infancy through childhood. It may help researchers understand why some children develop obesity and how to prevent it.
Seattle, WashingtonAges 7–12 - NCT07784725RecruitingPhase 3
Study of a weight loss injection for adults with obesity
This study tests a new medicine to help adults with obesity or overweight lose weight. It's for people who have had trouble losing weight in the past and don't have diabetes.
Seattle, WashingtonAges 18 years+ - NCT06901245RecruitingPhase 4
Tirzepatide for young adults with obesity
This study tests the diabetes/weight-loss drug tirzepatide (Mounjaro) in young adults aged 18–26 who have obesity and either Prader-Willi syndrome, hypothalamic obesity, or general obesity. It looks at whether a weekly injection can help with weight management.
Seattle, WashingtonAges 18–26 - NCT07010757Recruiting
PTSD and weight management study for veterans
This study tests a new program that combines PTSD treatment with weight management for veterans. It aims to help with both mental health and weight loss at the same time.
Seattle, WashingtonAges 18 years+ - NCT07037433RecruitingPhase 3
Heart protection study for people with heart disease and overweight
This study tests a new weekly injection (maridebart cafraglutide) to see if it helps lower the risk of heart problems in people with heart disease and overweight. It is for adults who have had a heart attack, stroke, or artery blockages and also have a BMI of 27 or higher.
Seattle, WashingtonAges 45–99 - NCT06870578Recruiting
Building healthy eating habits for preteens
This trial helps researchers develop programs to support healthy eating in kids ages 9-11 with overweight. It involves focus groups, and some parts include brain scans to understand eating habits.
Seattle, WashingtonAges 9 years+ - NCT06619041Recruiting
HealthyTogether: Weight Management with a Partner
This study tests a weight management program where you and a partner (like a spouse or friend) work together virtually. It aims to help you lose weight and improve health habits alongside someone you trust.
Seattle, WashingtonAges 18 years+ - NCT06672549RecruitingPhase 3
Weight loss medication study for children with obesity
This trial tests a medication for children and teens with obesity or overweight who have not been able to lose enough weight with diet and exercise alone. It aims to see if a new treatment can help them safely lose weight and improve related health problems.
Seattle, WashingtonAges 6–17 - NCT07430852Enrolling by invitation
Twins and weight: diet, genes, and environment
This study looks at how your genes and your environment (like diet and exercise) affect your weight. It involves comparing twins and may include periods where you eat more or less than usual to see how your body responds.
Seattle, WashingtonAges 20–45 - NCT07202884RecruitingPhase 3
Orforglipron for Women with Stress Incontinence and Overweight
This study tests an oral medication called orforglipron to see if it helps women with stress urinary incontinence who are also overweight or have obesity. The medicine may reduce leaking episodes and also help with weight loss.
Seattle, WashingtonAges 18 years+ - NCT07668414RecruitingPhase 3
Study comparing Zenagamtide and Semaglutide for weight loss
This trial tests a new medicine Zenagamtide to see if it helps people with excess weight lose more weight than Semaglutide, an existing weight loss drug. You may join if you are an adult with overweight or obesity but do not have diabetes.
Seattle, WashingtonAges 18 years+ - NCT05008276Recruiting
Study of puberty, diabetes, and kidney stress in teens
This trial studies how puberty and blood sugar changes affect the kidneys in people with type 1 diabetes. It may help researchers understand early kidney risk and identify who needs closer monitoring.
Seattle, WashingtonAges 8–14 - NCT06760546RecruitingPhase 3
Testing setmelanotide for weight gain after brain injury
This trial tests a daily injection called setmelanotide to see if it can help people who have gained weight due to a brain injury or condition affecting the hypothalamus. It may help reduce hunger and support weight loss.
Seattle, WashingtonAges 4 years+ - NCT07743450RecruitingPhase 3
Daily oral medication for weight loss in adults with obesity and type 2 diabetes
This study tests a once-a-day pill for adults who are overweight or have obesity and also have type 2 diabetes. The goal is to see if the medication helps with weight loss and improves blood sugar control.
Seattle, WashingtonAges 18 years+ - NCT06857942RecruitingPhase 4
Tirzepatide added to ixekizumab for psoriasis and weight issues
This trial tests whether adding tirzepatide (a weight-loss and diabetes drug) to ixekizumab (a psoriasis treatment) helps people with moderate-to-severe psoriasis who are overweight or have obesity. It is for those already taking ixekizumab for about 3 months.
Bellevue, WashingtonAges 18 years+ - NCT07509307RecruitingPhase 3
Study of a new medicine for weight loss and knee pain in osteoarthritis
This trial tests if a new medicine, NNC0487-0111, can help people with excess weight and knee osteoarthritis lose weight and reduce knee pain. It is for people who have had knee pain for at least three months and who can stop taking pain relievers for short periods before study visits.
Bellevue, WashingtonAges 18 years+ - NCT07481630RecruitingPhase 3
Testing a new medicine for weight loss and knee pain
This study tests if a new medicine called NNC0487-0111 can help people with extra weight and knee osteoarthritis lose weight and reduce knee pain. If you have knee pain most days and are willing to stop pain relievers for short periods, you may be able to join.
Bellevue, WashingtonAges 18 years+ - NCT07353931RecruitingPhase 3
Study of eloralintide for knee osteoarthritis pain in people with overweight or obesity
This trial tests an investigational drug called eloralintide to see if it can reduce knee pain in people with osteoarthritis who also have overweight or obesity. You may be able to join if you have knee osteoarthritis, a BMI of 27 or higher, and have tried to lose weight with diet before.
Kirkland, WashingtonAges 18 years+
Hear when a new Overweight or Obesity trial opens near Seattle, WA
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Overweight or Obesity trials in other cities
Where these studies are running near Seattle
Institutions with a site for the recruiting overweight or obesity studies listed above.
- VA Puget Sound Health Care System · 4 studies
- Northwest Clinical Research Center · 3 studies
- Seattle Children's Research Institute · 3 studies
- Seattle Clinical Research Center · 3 studies
- University of Washington · 3 studies
- Mary Bridge Children's Hospital and Health Center · 2 studies
- Rainier Clinical Research Center · 2 studies
- Seattle Children's Hospital · 2 studies
What taking part in a overweight or obesity study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Looking wider? See all recruiting overweight or obesity studies in Washington.
Common questions
- Are there overweight or obesity clinical trials near Seattle?
- Yes. We're currently tracking 34 recruiting overweight or obesity studies with a site near Seattle, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a overweight or obesity study near Seattle?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in Seattle to take part?
- Not necessarily. These studies have a site near Seattle, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a overweight or obesity trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New overweight or obesity studies open near Seattle regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.