Clinical trials · Washington
Overweight or Obesity clinical trials in Washington
We’re tracking 40 recruiting overweight or obesity studies with a site in Washington — including Phase 2, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies in Washington
- NCT07627074Recruiting
Real-world weight loss study with semaglutide
This study tracks how semaglutide (an injectable medication that reduces appetite) helps adults lose weight in everyday life. Researchers want to understand how well it works and how safe it is for people starting the treatment.
Seattle, WashingtonAges 18 years+ - 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+ - NCT06299891RecruitingPhase 2
Study of weight loss medication for youth with hypothalamic obesity
This study tests a combination of two medications, phentermine and topiramate, to see if they help young people with hypothalamic obesity lose weight safely. Hypothalamic obesity is rapid weight gain caused by injury to the hypothalamus, often from a brain tumor or its treatment.
Seattle, WashingtonAges 6–28 - NCT07639021RecruitingPhase 2
Testing Different Dose Schedules of a New Weight Loss Medicine
This study tests a new injectable medication (NNC0662-0419) designed to help people with obesity lose weight. Researchers are comparing different ways of increasing the dose to find the safest and most effective approach.
Renton, WashingtonAges 18 years+ - 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+ - NCT07037459RecruitingPhase 3
A study of a new drug for heart failure with obesity
This trial tests a medication called maridebart cafraglutide for people with heart failure (where the heart doesn't pump as well as it should) and obesity. The goal is to see if it can help improve symptoms and outcomes.
Puyallup, WashingtonAges 18–99 - NCT07225686RecruitingPhase 3
Maridebart Cafraglutide for sleep apnea in adults on CPAP
This study is testing whether a new medicine, called Maridebart Cafraglutide, can help people with obstructive sleep apnea who are already using a CPAP machine. The medicine may help with weight loss and potentially improve sleep apnea. Participants will either receive the medicine or a placebo (an inactive substance), and the study lasts for several months.
Bellevue, WashingtonAges 18–99 - 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 - 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 - 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 - 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+ - 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+ - NCT07339423RecruitingPhase 3
A study of a new medicine for weight loss
This study tests a new medicine to see how well it helps people with excess body weight lose weight. It may be an option if you have tried to lose weight through dieting before but haven't had lasting success.
Renton, 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+ - NCT07503210RecruitingPhase 3
Study of a new medicine to maintain weight loss
This study tests an investigational medicine to help people who have lost weight keep it off. It's for adults without diabetes who haven't used similar weight-loss drugs before.
Renton, WashingtonAges 18 years+
Overweight or Obesity trials by city in Washington
Where these studies are running in Washington
Institutions with a site for the recruiting overweight or obesity studies listed above.
- Seattle Children's Hospital · 4 studies
- Rainier Clinical Research Center · 3 studies
- University of Washington · 3 studies
- Northwest Clinical Research Center · 2 studies
- CHI Franciscan Research Center
- Fred Hutchinson Cancer Center
- Novo Nordisk Investigational Site
- Pulse Heart Institute
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.
Overweight or Obesity trials in other states
Common questions
- Are there overweight or obesity clinical trials in Washington?
- Yes. We're currently tracking 40 recruiting overweight or obesity studies with a site in Washington, 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 in Washington?
- 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 Washington to take part?
- Not necessarily. These studies have a site in Washington, 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 in Washington regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.