Clinical trials · Chicago, IL
Overweight or Obesity clinical trials in Chicago
We’re tracking 59 recruiting overweight or 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
- NCT07798557Recruiting
Lifestyle and diet support for weight and heart health
This study tests a program to help you improve your diet and lifestyle, which may reduce your risk for heart disease and help with weight loss. You will get support to make healthy changes over the next year.
Chicago, IllinoisAges 50–79 - NCT07794579RecruitingPhase 3
Study of orforglipron for people with overweight at risk of health problems
This trial tests a new medicine, orforglipron, to help people with overweight who are at risk of developing weight-related health issues. It aims to see if the medicine can help with weight management and reduce risks before more serious conditions develop.
Chicago, IllinoisAges 18 years+ - NCT07789769Recruiting
Online weight loss program focusing on protein, fiber, and exercise
This study tests a 6-month online weight loss program that focuses on eating more protein and fiber and adding exercise—called the '30-30-30 Plan.' It's a chance to get support and guidance to help you reach your weight loss goals.
Chicago, IllinoisAges 18–69 - 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.
Chicago, IllinoisAges 6–11 - 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 - NCT07685808RecruitingPhase 2
Testing a weight loss injection for people with overweight or obesity
This study tests an injectable medication called Olatorepatide to help people with overweight or obesity lose weight. It is only for people without diabetes who meet specific body mass index (BMI) requirements.
Chicago, IllinoisAges 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.
Chicago, IllinoisAges 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.
Chicago, IllinoisAges 18 years+ - 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 - NCT07332741RecruitingPhase 2
Food as medicine for better blood pressure
This study tests a program that provides healthy food and support to help people with high blood pressure and a BMI of 30 or higher eat better and control their blood pressure. If you join, you'll get guidance on the DASH diet (a heart-healthy eating plan) and text messages to help you stay on track.
Chicago, IllinoisAges Any age - 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+ - NCT07654361RecruitingPhase 3
A new pill for weight loss in obesity and overweight
This study tests an investigational pill called aleniglipron to see if it helps people with obesity or overweight who also have a weight-related health problem (like high blood pressure) lose weight safely. It is a Phase 3 trial, meaning it is in the final stages before seeking approval.
Chicago, IllinoisAges 18–79 - NCT05234125Recruiting
Lifestyle counseling during pregnancy for African American women
This trial tests a better lifestyle counseling program during pregnancy to help improve health—especially for women who started pregnancy at a higher weight. It may help you learn practical changes for a healthier pregnancy and outcomes.
Chicago, IllinoisAges 18–40 - 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 - 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 - NCT06937099RecruitingPhase 3
Testing two drugs for Crohn's with weight issues
This trial tests two study drugs, mirikizumab and tirzepatide, in people with moderate to severe Crohn's disease who also have overweight or obesity. The goal is to see if these treatments can help control Crohn's symptoms and inflammation.
Chicago, IllinoisAges 18–70 - NCT05125822Recruiting
Study of how bodies change weight in youth with obesity
This study looks at what helps or drives weight changes in children and teens with obesity. You may be asked about growth and body changes to better understand why weight changes happen and how to manage them.
Chicago, IllinoisAges 11–15 - 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+ - NCT07784270RecruitingPhase 3
Weight loss injection for adults with type 2 diabetes and overweight
This study tests a new injected medicine that may help people with type 2 diabetes and overweight or obesity lose weight. The trial will see how well it works and if it is safe compared to a placebo.
Chicago, IllinoisAges 18 years+ - 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 - 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+ - NCT07745504RecruitingPhase 3
Comparing two versions of a new weight-loss medication
This study compares two different versions of an investigational weight-loss medication (cagrilintide) against a placebo to see which is more effective and safe for people with excess weight. Participation involves receiving injections and regular check-ins to monitor your progress.
Oak Park, IllinoisAges 18 years+ - NCT07667803RecruitingPhase 3
Study of elecoglipron for weight loss in obesity or overweight
This trial tests an investigational drug called elecoglipron to see if it helps people with obesity or overweight lose weight. It may be an option if you have a high body mass index or weight-related health issues like high blood pressure or prediabetes.
Melrose Park, IllinoisAges 18 years+
Hear when a new Overweight or Obesity trial opens near Chicago, IL
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Overweight or Obesity trials in other cities
Where these studies are running near Chicago
Institutions with a site for the recruiting overweight or obesity studies listed above.
- Great Lakes Clinical Trials · 4 studies
- Ann & Robert H. Lurie Children's Hospital of Chicago · 3 studies
- Research Site · 3 studies
- Rush University Medical Center · 2 studies
- University of Illinois at Chicago · 2 studies
- ACCOMPLISH-1 Research Site
- AMR Clinical - Chicago Oak Brook
- Asha Clinical Rsch-Munster, LLC
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 Illinois.
Common questions
- Are there overweight or obesity clinical trials near Chicago?
- Yes. We're currently tracking 59 recruiting overweight or 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 overweight or 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 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 Chicago regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.