Clinical trials
Obese clinical trials
Below are recruiting obese clinical trials, each written for real people, not researchers. We’re tracking 1,434 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03794531Recruiting
Study of health, stress, and lifestyle changes in Puerto Rico
This study looks at how people’s health, day-to-day stress, and living conditions in Puerto Rico change over time. You might help researchers understand what trends are happening and what could be improved.
San JuanAges 30–75 - NCT03840733Enrolling by invitation
Study linking meal timing and habits to weight loss
This study looks at how timing of daily behaviors (like eating) relates to how much weight people lose during a behavioral weight loss program. You may be asked to track your activity with wearable devices and to do body-metabolism testing using urine samples and special water.
Aurora, ColoradoAges 18–60 - NCT03851458Enrolling by invitationPhase 2
Spanish coaching for healthier food choices for weight
This Phase 2 study tests a program (with food guidance, text messages, and check-ins) to help people eat more healthfully. It is designed for adults who are overweight or obese and can speak Spanish (with some separate tracks for different groups).
New York, New YorkAges 18 years+ - NCT03868592Recruiting
Weight loss study in people with very high body weight
This trial looks at how to support long-term weight loss and improve how your body handles fat breakdown. It may help people who have severe obesity after bariatric (weight-loss) surgery, but it has several health and lifestyle limits.
Rochester, MinnesotaAges 18–65 - NCT03687411Recruiting
Ultrasound tool to find spinal landmarks for anesthesia
This trial tests an ultrasound-based device that automatically marks key spots in your lower back so anesthesia can be given more accurately. It may help the anesthesia provider place the needle with better guidance during surgery.
SingaporeAges 21–75 - NCT03633162Recruiting
Study about maternal grandmothers’ effects on babies
This study looks at whether what maternal grandmothers know, do, or influence during a pregnancy is linked to outcomes for grandchildren. You may be included if your grandchild was born at the study hospital and key pregnancy details are available.
Guangzhou, GuangdongAges 36–100 - NCT03538457Recruiting
Gastric bypass or sleeve surgery and paracetamol absorption
This study looks at how your body absorbs paracetamol (acetaminophen) after planned weight-loss surgery. It may help doctors better guide pain- and fever-medication dosing after gastric bypass or sleeve gastrectomy.
TrondheimAges 18–70 - NCT03532477Recruiting
Venlafaxine medicine study around weight-loss stomach surgery
This study looks at how the antidepressant venlafaxine is absorbed in the body when people undergo gastric bypass or sleeve gastrectomy. It may help doctors understand whether dosing should change after surgery.
TrondheimAges 18–70 - NCT03692455Enrolling by invitation
Compare two weight-loss surgeries for reflux over 8 years
This study follows people for up to 8 years to see how two different weight-loss surgeries affect ongoing heartburn and acid reflux. You would join only if you were already enrolled in an earlier related study and can complete required follow-up visits and tests.
Passo Fundo, Rio Grande do SulAges 18–78 - NCT03519893Recruiting
Study of blood pressure drug handling after weight-loss surgery
This study looks at how losartan (a blood pressure medicine) moves through the body after gastric bypass or sleeve gastrectomy. It may help doctors better choose and dose blood pressure treatment after weight-loss surgery.
TrondheimAges 18–70 - NCT03535376Recruiting
Studies how valsartan works after bariatric surgery
This study looks at how the blood-pressure medicine valsartan is absorbed and processed in your body after gastric bypass or sleeve surgery. It may help doctors choose safer, more effective dosing after weight-loss surgery.
TrondheimAges 18–70 - NCT03519906Recruiting
Bariatric surgery study measuring how metoprolol is absorbed
This study looks at how metoprolol (a blood-pressure medicine) gets absorbed in the body before and after bariatric weight-loss surgery. If you’re preparing for gastric bypass or sleeve surgery, this may help researchers understand dosing and medicine absorption changes after surgery.
TrondheimAges 18–70 - NCT03517072Recruiting
Study of long-term success after bariatric surgery
This study looks at what helps people do well in the long run after bariatric (weight-loss) surgery. You may be able to join if you had the surgery about five years ago and are willing to participate.
ArrasAges Any age - 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 - NCT03476603Recruiting
Bariatric surgery and how irbesartan moves in your body
This study looks at how a blood-pressure medicine (irbesartan) is absorbed and processed in the body before and after bariatric surgery. It may help doctors understand how dosing might need to change after stomach surgery.
TrondheimAges 18–70 - 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 - NCT03476525Recruiting
Study of fluoxetine after bariatric surgery
This study looks at how the antidepressant fluoxetine is absorbed and behaves in the body before and after gastric bypass or sleeve surgery. It may help doctors better predict how well fluoxetine works after weight-loss surgery.
TrondheimAges 18–70 - NCT03476538Recruiting
Study gabapentin levels after stomach bypass or sleeve surgery
This trial measures how the medicine gabapentin moves through your body after gastric bypass or sleeve gastrectomy. It may help doctors better choose doses for people taking gabapentin after weight-loss surgery.
TrondheimAges 18–70 - NCT03497156Recruiting
Tests drug absorption after stomach bypass or sleeve surgery
This study checks how a blood-pressure medicine called lercanidipine is absorbed by the body after gastric bypass or sleeve gastrectomy. You may be able to join if you are preparing for one of these surgeries in Central Norway.
TrondheimAges 18–70 - NCT03497143Recruiting
Gastric bypass or sleeve surgery and lamotrigine drug levels
This study measures how well lamotrigine (a seizure/mood-stabilizing medicine) is absorbed after planned weight-loss surgery. It may help doctors understand whether medicine doses need adjustment after bypass or sleeve surgery.
TrondheimAges 18–70 - NCT03476577Recruiting
Bariatric surgery study measuring how ibuprofen is absorbed
This study looks at how ibuprofen is absorbed by the body around the time of bariatric (weight-loss) surgery. It may help doctors understand how to use pain medicine safely and effectively after 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 - 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 - 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
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Common questions
- Are there clinical trials for obese?
- Yes. Clin2 currently lists 1,434 recruiting 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 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 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.