Clinical trials
Overweight or Obese clinical trials
Below are recruiting overweight or obese clinical trials, each written for real people, not researchers. We’re tracking 1,536 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07225816RecruitingPhase 1
How fasting affects stomach food with GLP-1 drugs
This study looks at how long fasting and temporarily stopping certain diabetes or weight-loss medications (like semaglutide or liraglutide) affects how much food stays in your stomach. It may help understand how these medications work in people who are overweight.
Cypress, CaliforniaAges 18 years+ - NCT07717333Recruiting
Sarcopenia signs after weight loss surgery
This study looks at muscle changes after bariatric (weight loss) surgery. It may help you understand how your muscles are affected and what you can do to stay strong.
Istanbul, KÜÇÜKÇEKMECEAges 18–65 - NCT06686537RecruitingPhase 2
Study on metabolism and hormones in women
This study looks at how metabolism and hormones are connected in women. It tests a treatment to see if it can improve metabolic health related to the menstrual cycle.
Aurora, ColoradoAges 18–38 - NCT07334470Recruiting
Reducing weight bias in nursing students through simulation
This trial tests a simulation-based program to reduce weight bias among nursing students. If you are a nursing student aged 18-35 in your second or fourth year of a traditional or FLEX BSN program, you may be eligible to help researchers understand how to improve patient care.
Villanova, PennsylvaniaAges 18–35 - NCT07711925Enrolling by invitation
MRI body changes before and after weight loss surgery
This study uses MRI scans to measure how your body composition changes after bariatric surgery. If you are planning weight loss surgery, you may help doctors understand what happens to your body fat and muscle over time.
Olsztyn, Warminsko-mazusrkieAges 18 years+ - NCT07272837Recruiting
How semaglutide affects heart and muscle mass
This study looks at how semaglutide (Ozempic or Wegovy) changes heart muscle and body muscle. It may help people with type 2 diabetes or those taking the drug for weight loss understand if their heart is affected.
Edmonton, AlbertaAges 18–80 - NCT06397729Recruiting
Testing a new tool to support healthy habits in rural clinics
This study is testing a new way to help people improve their heart health by making healthy changes in their daily habits. It focuses on patients in rural primary care clinics who are at higher risk because of their weight.
St Louis, MissouriAges 18–64 - NCT05799846Recruiting
Online strategies to help with weight loss
This study tests a cognitive (thinking-focused) approach delivered through the internet to help you lose weight. You may be eligible if you have overweight or obesity and can regularly complete online activities and visits.
Providence, Rhode IslandAges 18–70 - NCT03025074Recruiting
Blood sample bank for liver disease research
This study collects blood samples to build a “biobank” (a stored library of samples) for researchers studying liver diseases like hepatitis, fatty liver disease, and liver cancer. It may help future testing and treatments by allowing scientists to study patterns in people with and without liver conditions.
Buffalo, New YorkAges 7 years+ - NCT03072537Recruiting
Growth monitoring using a doctor-based patient network
This study sets up a network to regularly track children’s growth based on routine doctor or pediatric visits. It may help researchers understand growth patterns and improve how growth is monitored over time.
Leipzig, SaxonyAges Up to 18 years - NCT03217656Recruiting
Jiaxing birth follow-up study for pregnant families
This study enrolls pregnant women in the Jiaxing area and follows them during pregnancy and after delivery to learn about mothers and babies. If you plan to stay involved through birth and follow-up, this may help researchers understand pregnancy and early childhood outcomes.
Hangzhou, ZhejiangAges Any age - NCT03298334RecruitingPhase 1/Phase 2
Testing vaginal bacteria transfer to newborns after C-section
This study looks at whether they can safely place “healthy vaginal bacteria” from the mother into the newborn after a scheduled C-section, and whether it improves the baby’s health. It only enrolls certain mothers and babies based on infection testing and other health factors.
Falls Church, VirginiaAges birth–50 years - NCT03331133Recruiting
Study of twins born in Guangzhou
This study focuses on twins who were born at Guangzhou Women and Children’s Medical Center. It aims to use pregnancy and baseline information to learn about twin outcomes and care, and it may help local doctors improve guidance for families in Guangzhou.
Guangzhou, GuangdongAges Up to 18 years - NCT03407079RecruitingPhase 2
Study of sucralose’s effects on digestion of drugs
This study tests whether the sugar substitute sucralose changes how your body absorbs and breaks down certain medicines. You’d take sucralose or a placebo for 4 weeks, visit the clinic, and complete required samples and medicine doses during visits.
Bethesda, MarylandAges 18–60 - NCT03440177Recruiting
Study medicine absorption after weight-loss stomach surgery
This study looks at how your blood pressure medicine (ramipril) is absorbed and handled by the body after gastric bypass or sleeve gastrectomy. It may help improve how these medicines are used after weight-loss surgery.
TrondheimAges 18–70 - NCT03441451Recruiting
Bariatric Surgery Registry for people with high BMI
This registry collects information from people who have a higher body weight (BMI over 30). It may help researchers better understand bariatric surgery and outcomes for future care.
Melbourne, VictoriaAges 2–95 - NCT03448783Recruiting
Apixaban levels around bariatric surgery
This study checks how the blood-thinner apixaban behaves in your body before and after gastric bypass or sleeve surgery. Results may help doctors choose safer dosing around bariatric surgery.
TrondheimAges 18–70 - NCT03449472Recruiting
Study of quetiapine levels after weight-loss stomach surgery
This trial studies how quetiapine (a mental health medicine) is processed in the body after gastric bypass or sleeve gastrectomy. It may help doctors better adjust dosing after weight-loss surgery.
TrondheimAges 18–70 - NCT03449485Recruiting
Blood medicine study around weight-loss stomach surgery
This study looks at how a medicine (chlorprothixene) moves through the body before and after weight-loss surgery like gastric bypass or sleeve gastrectomy. It may help doctors understand the best timing and dosing of this medicine for people having these operations.
TrondheimAges 18–70 - NCT03455868Recruiting
Bone health check after bariatric surgery in people with diabetes
This study looks at how bariatric (weight-loss) surgery affects bone health in adults with type 2 diabetes. It may help doctors understand who needs extra bone protection after surgery.
Montreal, QuebecAges 18–60 - NCT03460327Recruiting
Study of candesartan blood levels around weight-loss surgery
This trial measures how the blood pressure medicine candesartan is absorbed in your body before and after gastric bypass or sleeve gastrectomy. It may help doctors predict the right dosing for people taking this medication after bariatric surgery.
TrondheimAges 18–70 - NCT03460366Recruiting
Bariatric surgery and how enalapril moves in the body
This study looks at how the blood-pressure medicine enalapril is absorbed and processed after gastric bypass or sleeve gastrectomy. It may help doctors better predict dosing and effects after weight-loss surgery.
TrondheimAges 18–70 - NCT03460314Recruiting
Testing buprenorphine absorption around stomach weight-loss surgery
This study checks how well buprenorphine (a medicine used for opioid dependence and pain in some cases) works in the body after gastric bypass or sleeve gastrectomy. It may help doctors better plan dosing and timing around weight-loss surgery.
TrondheimAges 18–70 - NCT03460379Recruiting
Bariatric surgery and how escitalopram is absorbed
This study looks at how a common antidepressant, escitalopram, moves through your body before and after gastric bypass or sleeve gastrectomy. Results may help doctors better choose dosing for people taking this medication around the time of weight-loss surgery.
TrondheimAges 18–70
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Common questions
- Are there clinical trials for overweight or obese?
- Yes. Clin2 currently lists 1,536 recruiting overweight or obese studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a overweight or obese trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a overweight or obese trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
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.