Clinical trials · Chicago, IL
Obesity clinical trials in Chicago
We’re tracking 60 recruiting obesity studies with a site in or near Chicago — including Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near Chicago
- NCT07589608RecruitingPhase 2
Weight Loss Study With Two New Injectable Medications
This study tests two new injectable drugs (macupatide and eloralintide) alone or together to help adults with obesity or excess weight lose weight. The goal is to see if these medications are safe and effective for weight management.
Chicago, IllinoisAges 18–75 - NCT07566325Recruiting
Avocado and inflammation: can it improve your health?
This study tests whether eating avocado instead of refined carbohydrate foods (like white bread and sugary snacks) can reduce inflammation markers in your blood. If you have some signs of inflammation and extra weight around your middle, this might help researchers understand if avocado is a helpful dietary change.
Chicago, IllinoisAges 21–74 - NCT07595549RecruitingPhase 3
Testing Berobenatide for Weight Loss in Overweight Adults
This study tests a new medicine called berobenatide to help people with overweight or obesity lose weight. The medicine may also help improve related health conditions like high blood pressure, high cholesterol, or type 2 diabetes.
Chicago, IllinoisAges 18 years+ - NCT06292936Recruiting
Remi for weight regain after weight loss surgery
This study tests if the medication Remi can help people who have gained back at least 5% of their lowest weight after gastric bypass or sleeve gastrectomy. It is meant for those who are not currently using other weight loss drugs and are otherwise healthy enough to participate.
Chicago, IllinoisAges 18–70 - 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.
Chicago, IllinoisAges 6–17 - NCT06672939RecruitingPhase 3
Orforglipron for Weight Loss in Teens
This study tests a once-daily pill (orforglipron) to help adolescents with obesity or overweight plus related health problems lose weight. It offers a new option for teens who have struggled to lose weight with diet and exercise alone.
Chicago, IllinoisAges 12–17 - NCT04228978Recruiting
Lifestyle weight-loss program for people with PAD to stay mobile
This trial tests whether a healthy-lifestyle weight-loss program can help people with peripheral artery disease (PAD) lose weight and prevent worsening mobility. You may be eligible if you have PAD based on specific leg blood-flow test results and a higher body weight.
Chicago, IllinoisAges 18 years+ - NCT07284979RecruitingPhase 3
Weekly injection for obesity without diabetes
This trial tests a new once-weekly injection called Ribupatide for weight loss in people with obesity who do not have diabetes. It compares the study drug to an existing medication (semaglutide) and a placebo to see how well it works and if it's safe.
Chicago, IllinoisAges 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.
Chicago, IllinoisAges 45–99 - NCT03527420Recruiting
Study of body fat, blood vessels, and DNA changes
This study looks at how having a high body mass index affects blood vessel function and changes in DNA. It may help researchers understand why weight-related health risks happen and how bariatric surgery could help.
Chicago, IllinoisAges 18–50 - NCT06636058Recruiting
Digital treatment for weight and mood in adults 50+
This study tests a digital program that helps with weight loss and depression at the same time. It is designed for Black, Hispanic, and other adults over 50 who carry extra weight and feel down.
Chicago, IllinoisAges 50–74 - 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.
Chicago, IllinoisAges 18 years+ - NCT05199454Recruiting
Study how “fat-like” particles affect blood vessel function
This study looks at whether tiny fat-based particles (“adiposomes”) can affect how well your blood vessels work, especially in people with diabetes and higher body weight. You may be asked to do moderate exercise and other study procedures after passing safety checks.
Chicago, IllinoisAges 18–50 - NCT07497880RecruitingPhase 2
Study of a new pill for weight loss in adults with obesity
This trial tests a daily pill called KAI-7535 to see if it helps people with obesity or overweight lose weight safely. It is for adults who have a body mass index (BMI) of 27 or higher and at least one weight-related health problem, such as high blood pressure or type 2 diabetes.
Chicago, IllinoisAges 18–75 - NCT06143956RecruitingPhase 2
Weight loss treatments for adults with obesity
This clinical trial tests new treatments for adults who are overweight or have obesity. The goal is to help people lose weight and improve their health.
Chicago, IllinoisAges 18–75 - NCT06937086RecruitingPhase 3
Mirikizumab plus tirzepatide for UC with obesity
This study tests whether adding mirikizumab to the weight-loss drug tirzepatide helps people with moderate-to-severe ulcerative colitis who also have obesity or overweight. It aims to see if the combination reduces bowel inflammation and helps with weight management.
Chicago, IllinoisAges 18–70 - NCT07571005RecruitingPhase 3
Testing a New Weight-Loss Medicine for Sleep Apnea
This study tests whether a new injectable medicine called NNC0487-0111 helps people with excess weight and moderate-to-severe obstructive sleep apnea (a condition where breathing stops repeatedly during sleep) lose weight and improve their sleep apnea—without needing a CPAP machine. The goal is to see if better weight loss can reduce sleep apnea symptoms.
Chicago, IllinoisAges 18 years+ - 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.
Chicago, IllinoisAges 18 years+ - NCT07392190RecruitingPhase 3
Study of eloralintide for people with persistent obesity
This trial tests if adding eloralintide helps people who are still obese or overweight while taking weekly incretin therapy. It aims to support additional weight loss for those who haven't reached their goals.
Chicago, IllinoisAges 18 years+ - NCT06477120Recruiting
Time-restricted eating for pregnant women with severe obesity
This study tests whether eating only during a set window of time each day (time-restricted eating) can help manage weight gain during pregnancy for women with severe obesity. It might offer a safe, simple way to support a healthy pregnancy.
Chicago, IllinoisAges 18–44 - NCT06504914Recruiting
A lifestyle program for Black female breast cancer survivors
This study tests a lifestyle program designed for Black women who have survived breast cancer. It aims to help with high blood pressure or weight management by teaching healthy cooking and habits.
Chicago, IllinoisAges 18–99 - 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.
Chicago, IllinoisAges 18 years+ - NCT06499857RecruitingPhase 3
Semaglutide for atrial fibrillation and weight loss
This study tests whether a weekly injection of semaglutide (the same drug in Wegovy and Ozempic) can help people with atrial fibrillation lose weight and improve their heart condition. It's for people with AF who also have obesity, and may or may not plan to have a heart procedure called catheter ablation.
Chicago, IllinoisAges 18–75 - NCT07564414RecruitingPhase 3
Weight Loss Study Comparing Two Doses of CagriSema
This study tests whether a new combination medication called CagriSema (in two different doses) helps people with obesity lose weight. You may qualify if you're 18 or older, have a BMI of 35 or higher, and either don't have type 2 diabetes or have it well-controlled.
Chicago, IllinoisAges 18 years+
Hear when a new Obesity trial opens near Chicago, IL
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Obesity trials in other cities
Where these studies are running near Chicago
Institutions with a site for the recruiting obesity studies listed above.
- University of Illinois · 5 studies
- Great Lakes Clinical Trials · 4 studies
- University of Chicago · 4 studies
- Ann & Robert H. Lurie Children's Hospital of Chicago · 2 studies
- Cedar Crosse Research Center · 2 studies
- Eagle Clinical Research · 2 studies
- Kailera Clinical Site · 2 studies
- Rush University Medical Center · 2 studies
What taking part in a 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 obesity studies in Illinois.
Common questions
- Are there obesity clinical trials near Chicago?
- Yes. We're currently tracking 60 recruiting obesity studies with a site near Chicago, 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 obesity study near Chicago?
- 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 Chicago to take part?
- Not necessarily. These studies have a site near Chicago, 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 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 obesity studies open near Chicago regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.