Nutritional disorder

This phase 3 trial tests whether switching from common GLP-1 weight-loss drugs to a new medication called maridebart cafraglutide can help adults with obesity or overweight maintain their weight loss. About 300 participants who have already lost at least 10% of their body weight …

This phase 3 trial tests whether maridebart cafraglutide (MariTide) can reduce heart failure events like hospitalizations and urgent visits in people with obesity and a specific type of heart failure (preserved or mildly reduced ejection fraction). About 5,056 participants will r…

This Phase 2b trial tests whether adding enobosarm (a muscle-preserving drug) to semaglutide (a weight-loss drug) helps older adults lose more fat and keep muscle. About 200 people aged 65 and older who are overweight or obese will take both drugs or semaglutide alone. The goal i…

This study tests a new medicine called NNC0487-0111 in about 5,600 people who have both heart failure and obesity. Participants receive either the drug or a placebo as a weekly injection. The goal is to see if the drug reduces the risk of heart failure worsening, hospitalization,…

This study tests whether a 4-week healthy cooking program for home cooks can help Emirati adults with overweight or obesity lose weight and eat better. The trained cooks prepare nutritious meals for their families over 3 months. Researchers track weight, waist size, blood pressur…

This study tests whether a gentle electrical current applied to a brain area involved in fullness can reduce food intake and promote weight loss. Over 4 weeks, 148 obese adults will receive either real or fake stimulation while following a reduced-calorie diet. The goal is to see…

This study tests whether wearing a continuous glucose monitor (CGM) for 3 months helps adults with prediabetes better control their blood sugar and stick to lifestyle changes compared to standard finger-prick testing. About 80 participants will be randomly assigned to use a CGM o…

This study tests a temporary stomach balloon called Orbera365 to help people with obesity lose weight. About 144 adults with a BMI between 28 and 50 who have not succeeded with diet and exercise will get the balloon. The main goal is to see if at least 5% of body weight is lost a…

This early-stage trial tests whether TIX100, a daily oral pill, is safe and tolerable in healthy adults who are overweight or obese. Over 28 days, participants receive either TIX100 or a placebo, and researchers monitor for side effects and how the drug moves through the body. Th…

This study compares two lifestyle programs for people with type 2 diabetes or prediabetes: one using a ketogenic diet and the other a low-fat diet. Over 12 months, researchers will track changes in weight, blood sugar, blood pressure, and heart health. The goal is to see which di…

This pilot study tests whether giving special nutritional shakes before and after surgery can improve the health of patients with critical limb ischemia, a severe form of peripheral artery disease. About 30 participants will drink the shakes for one to two weeks before and after …

This study tests a virtual weight management program for 60 adults with obesity and advanced kidney disease who want to lose weight to become eligible for a kidney transplant. Participants either join the program (which includes coaching and a weight-loss medication called semagl…

This study tests whether injecting a person's own bone marrow stem cells into or near the eye can help treat various retinal and optic nerve diseases, including age-related macular degeneration, retinitis pigmentosa, and glaucoma. Participants receive stem cell injections via dif…

This early-stage trial tests a new drug called ALN-6222 in 88 adults with obesity (BMI 30-40). Participants receive a single injection of either the drug or a placebo. The main goal is to check safety and how the body processes the drug, not weight loss. It is the first time this…

This study tests an injectable form of choline, a nutrient often missing in people with intestinal failure who rely on IV nutrition. The goal is to see if it can safely raise choline levels and reduce liver injury. About 129 adolescents and adults will receive either a low or hig…

This early-stage study tests a new way to deliver semaglutide—a drug used for weight management—using a small, needle-free patch that sticks to the skin. The patch, called VX-201, aims to provide the same benefits as injections without the need for needles. The trial includes hea…

This study tests whether a 16:8 time-restricted eating diet (eating only during an 8-hour window each day) helps people with obesity manage their weight, both those who have had bariatric surgery and those who haven't. Researchers will measure changes in body weight, fat mass, an…

This study tests whether limiting food intake to an 8-hour window each day (without counting calories) can reduce liver fat in people with obesity and a type of fatty liver disease called MASLD. Seventy-two participants will either follow this eating pattern plus standard advice,…

This study tests a once-weekly injection called NNC0487-0111 in 300 adults with overweight or obesity and moderate-to-severe obstructive sleep apnea who use a breathing device. The goal is to see if the drug helps with weight loss and reduces breathing pauses during sleep. Partic…

This study tests whether mobile health technology, like smartphone apps and activity trackers, can help overweight or obese African American women increase their physical activity. Participants will wear a wrist device to track steps and sleep, use a study app, and may receive co…

This study tests whether a daily supplement of Akkermansia muciniphila (AKM Lab-01), a type of gut bacteria, can help overweight or obese adults lose weight safely. Two hundred participants will take either the supplement or a placebo for 3 months. Researchers will measure change…

This study tests whether a simple, home-based breathing exercise program can improve brain health and reduce inflammation in adults with obesity. Thirty participants will do 8 weeks of high- or low-resistance breathing training, like weightlifting for the breathing muscles. Resea…

This study tests whether oxytocin nasal spray can help teenagers with obesity manage their weight. Over 12 weeks, participants aged 10-18 will take the spray or a placebo four times daily. Researchers will measure changes in body mass index, body fat, and appetite to see if oxyto…

This phase 3 trial is testing a once-weekly injection called enicepatide in 300 Chinese adults who are obese or overweight, with or without type 2 diabetes. The drug works by mimicking two gut hormones to reduce appetite and improve blood sugar control. Participants will receive …

This study looks at whether inducing labor at 39 weeks of pregnancy is better than waiting for labor to start naturally in women with a BMI of 30 or higher. The goal is to see if early induction lowers the chance of needing a C-section. About 1,900 women in Denmark will take part…

This study tests whether a combination of a special diet, omega-3 and L-carnitine supplements, and resistance exercise can improve muscle quality and reduce fat in veterans with HIV and obesity. The trial will enroll 70 participants and measure changes in muscle density, metaboli…

This study tests two versions of the experimental drug cagrilintide in 234 adults with overweight or obesity. Participants receive either version D or version B by injection once a week for about 6 months. The goal is to see how the drug is processed in the body, not to measure w…

This study tests an experimental drug called ARO-INHBE in 180 adults with obesity, some of whom also have type 2 diabetes. The drug is given as a shot under the skin, either alone or combined with the existing weight-loss drug tirzepatide. The main goal is to check safety and how…

This study tests whether a virtual weight management program that includes a support person (like a family member or friend) helps Veterans with obesity lose weight. 320 Veterans and their partners will participate in 8 virtual sessions over 14 weeks. The main goal is to see if t…

This study tests whether adding calcitriol to vitamin D2 helps children with cholestatic liver disease correct their vitamin D deficiency faster than vitamin D2 alone. Cholestasis makes it hard for the body to absorb vitamin D. The trial will enroll 54 children and track vitamin …

This study tests a once-weekly injection called NNC0487-0111 in 300 adults with overweight or obesity and moderate-to-severe obstructive sleep apnea who do not use a CPAP machine. The goal is to see if the drug helps with weight loss and reduces breathing pauses during sleep. Par…

This study tests whether using a handheld breathing trainer for a few minutes each day can lower blood pressure in adults with obesity. Researchers will compare high-resistance versus very-low-resistance breathing exercises over eight weeks. The goal is to find a time-efficient w…

This study tests a new version of sleeve gastrectomy (a weight loss surgery) that adds a Nissen fundoplication to reduce acid reflux. Researchers will compare 30-day complication rates between the new technique and standard sleeve gastrectomy in 100 adults with obesity. The goal …

This study compares IV iron to oral iron pills for treating moderate anemia after a C-section. The goal is to see if better iron levels can reduce the risk of postpartum depression. About 2,860 women will take part, and their mood will be checked 8 weeks after delivery.

This study tracks 200 adults with obesity in the EU who choose to get the Orbera365 intragastric balloon. The balloon is placed in the stomach and filled with saline to help people feel full and eat less. Researchers will monitor serious side effects and how much weight participa…

This study tests a new once-weekly medicine called eloralintide to help people with obesity or overweight and type 2 diabetes lose weight. About 1035 adults will receive either the drug or a placebo for around 75 weeks. Researchers will measure changes in body weight, fat, waist …

This Phase 2 trial is testing several experimental drugs—including tirzepatide and others—for long-term weight management in adults with obesity or overweight. About 1,481 participants will receive one of the drugs or a placebo. The goal is to see if these treatments are safe and…

This phase 3 trial tests whether adding tirzepatide (a weight-loss drug) to mirikizumab (an anti-inflammatory drug) helps people with moderate-to-severe ulcerative colitis who are also overweight or obese. The goal is to see if the combination can reduce both gut symptoms and bod…

This study compares two blood sugar targets for overweight or obese women with gestational diabetes. One group aims for stricter goals (fasting under 90 mg/dL, after meals under 120 mg/dL), while the other follows standard targets (fasting under 95 mg/dL, after meals under 140 mg…

This study tests whether a 12-week low-calorie meal replacement diet can improve heart function and exercise ability in people with heart failure with preserved ejection fraction (HFpEF) who are also obese. 63 adults will be randomly assigned to either the diet or standard care. …

This phase 3 trial is testing a new weekly injection called enicepatide for weight loss in 2000 adults with obesity or overweight who do not have type 2 diabetes. Participants will receive either the drug or a placebo for 72 weeks. The main goal is to see how much weight they los…

This study investigates whether taking spermidine, a natural compound found in wheat germ, can improve blood fat levels and body weight in overweight or obese adults with high cholesterol. Participants take either spermidine capsules or a placebo daily for one month. The goal is …

This study tests whether a minimally invasive procedure called endoscopic sleeve gastroplasty (ESG), which reduces stomach size by 70%, can help reverse fatty liver disease (MASH) in people with obesity. Researchers will compare ESG plus lifestyle changes to lifestyle changes alo…

This study tests two experimental drugs, macupatide and eloralintide, alone or together, to help adults with obesity or overweight and type 2 diabetes lose weight. About 200 participants will receive the drugs or a placebo for 48 weeks. The main goal is to see how much weight the…

This study tests a new once-weekly injection called eloralintide to help adults with obesity or overweight lose weight. About 1980 people who do not have type 2 diabetes will take part for up to 75 weeks, with some continuing for 2 more years. The goal is to see if the drug safel…

This study follows 175 adolescents and adults with monogenic obesity—a rare form caused by specific gene changes—who are taking semaglutide (Ozempic/Wegovy). Researchers will track weight and BMI changes over 4 years to see if the drug helps control weight in this group. The goal…

This study tests a new weekly injection called eloralintide in 900 adults with obesity or overweight who are already taking a weekly incretin drug (like Ozempic or Wegovy) but still have excess weight. Participants will receive either eloralintide or a placebo for about 80 weeks …

This study tests an experimental drug called KDS2010 for weight loss in 75 overweight or obese adults. Participants take the drug or a placebo daily for 12 weeks. The main goal is to see how much weight they lose and if the drug is safe. It is a Phase 2a trial, meaning it is stil…

This study is testing a new approach for people with obesity and type 2 diabetes. It combines two procedures done through the mouth: one uses mild electric pulses to regenerate the lining of the upper intestine, and the other reduces stomach size by stitching it like a sleeve. Th…

This Phase 3 trial is testing a new weekly injection called enicepatide for weight loss in 1600 people who are obese or overweight and also have type 2 diabetes. The drug works by mimicking natural hormones that help control appetite and blood sugar. Participants will receive eit…

This study compares weight loss using semaglutide (a drug) versus a calorie-restricted diet in 100 people with obesity and heart failure with reduced ejection fraction. The goal is to see which approach better improves peak oxygen uptake, a measure of exercise capacity, after 52 …

This phase 3 trial tests a weekly injection called eloralintide in 800 adults with moderate-to-severe obstructive sleep apnea who are also overweight or have obesity. The study looks at whether the drug can improve sleep apnea symptoms and help with weight loss. Participants are …

This study tests a once-monthly injection called berobenatide to help adults with overweight or obesity lose weight. About 954 participants will receive either the drug or a placebo for 20 months. The goal is to see if the drug is safe and effective for weight loss, including in …

This study looks at whether strength training (like weightlifting) can help adults taking GLP-1 obesity drugs keep their muscle and improve mental health. Forty inactive adults with obesity will either do supervised resistance exercise twice a week for 3 months or just take the m…

This study is testing a mobile app called Adhera Caring Digital Program for Obesity (ACDP-O) in 280 families. The app provides personalized education, mental health monitoring, and wearable device integration to support weight management and well-being in adolescents and young ad…

This study tests whether a special medical food called LH VIOLA, taken as a partial replacement for regular meals, can help people with Crohn's disease or ulcerative colitis who are at risk of malnutrition maintain or regain weight and muscle strength. About 146 participants will…

This study tests whether adding the weight-loss drug tirzepatide to the Crohn's drug mirikizumab helps people with moderate-to-severe Crohn's disease who are also overweight or have obesity. About 290 adults will receive either mirikizumab alone or mirikizumab plus tirzepatide. T…

This Phase 2b trial is testing whether two experimental drugs, macupatide and eloralintide, can help adults with obesity or overweight lose weight. About 400 participants will receive either one or both drugs or a placebo for 64 weeks. The study measures weight change and safety,…

This early-phase study tests a new oral drug called GS-4571 in healthy people, non-diabetic obese individuals, and non-obese people with type 2 diabetes. The main goals are to see how the drug moves through the body, how safe it is, and how food or acid-reducing drugs affect it. …

This study compares two psychological treatments for adolescents aged 12-18 with anorexia nervosa: a new approach called Interoceptive Exposure Therapy (IE) versus standard Family Based Therapy (FBT). IE helps teens face food-related fears by pairing feared foods with positive ex…

This study tests whether a 20-day fasting schedule before hip replacement surgery can reduce complications like infections. 130 adults will either follow the fasting plan or receive standard care. Researchers will measure changes in gut bacteria and immune markers to see if fasti…

This early-stage study tests whether MDMA (the active ingredient in ecstasy) combined with talk therapy can help people with bulimia nervosa. Forty adults will be assigned to one of three groups: MDMA with general therapy, MDMA with bulimia-specific therapy, or standard treatment…

This early-stage trial is testing a new drug called AMG 513 in 80 adults with obesity. The main goal is to see if the drug is safe and how the body handles it. Participants will receive either the drug or a placebo by injection, and researchers will monitor for side effects and m…

This study tests an experimental oral drug, ERX1000, for weight loss in 80 adults with obesity (BMI 30-50). Participants will take the drug or a placebo daily for 24 weeks. The main goals are to check safety and see how much weight is lost. This is an early-phase trial, so the dr…

This study tests a new weekly injection called KAI-9531 to help people with obesity or overweight lose weight. It is for adults who do not have diabetes but have weight-related health problems like high blood pressure or sleep apnea. About 1800 participants will receive either th…

This study tests a once-daily pill called orforglipron to help teenagers with obesity or overweight lose weight. About 150 teens will take either the pill or a placebo for 18 months, along with lifestyle advice. The goal is to see if the pill safely reduces body mass index (BMI) …

This Phase 3 trial tests a new drug called KAI-9531, given as a weekly injection, in 1700 adults who are overweight or obese and have type 2 diabetes. The study compares KAI-9531 to a placebo to see if it leads to greater weight loss and better blood sugar control over 76 weeks. …

This study tests whether a weekly injection of tirzepatide, combined with healthy eating and exercise, helps adolescents with obesity and related conditions like high blood pressure or prediabetes lose weight and improve their health. About 300 teens who completed a prior study c…

This phase 3 study is testing whether a new drug called maridebart cafraglutide (MariTide) can reduce the risk of heart attacks, strokes, and death in people with heart disease who are overweight or obese. About 12,800 participants will receive either the drug or a placebo, added…

This study tests whether a simple text-message system can help caregivers in Kenya spot and prevent malnutrition in children exposed to HIV. About 776 caregiver-child pairs will be split into two groups: one gets weekly SMS reminders to measure the child's arm and receive feeding…

This study tests an experimental drug called BGE-102 in 160 adults with obesity and heart risk factors. The goal is to see if it lowers inflammation (measured by hsCRP) safely. Participants take either BGE-102 or a placebo daily for 12 weeks.

This Phase 3 trial is testing an oral medication called orforglipron for chronic weight management in children and teens with obesity or overweight. The study will enroll 125 participants who have already tried lifestyle changes without success. The goal is to see if the drug is …

This study tests a new weekly injection called KAI-9531 to help people with obesity lose weight. It involves 1,200 adults who do not have diabetes and compares KAI-9531 to semaglutide (a known weight-loss drug) and a placebo. The main goal is to see how much weight participants l…

This study tests whether the drug maridebart cafraglutide can reduce liver fat and body weight in adults who are overweight or obese and have high liver fat. Participants will also follow a reduced-calorie diet and increase physical activity. The trial involves 180 adults and las…

This early-stage trial tests a new daily pill called CX11 in 90 adults with obesity or overweight who also have weight-related health problems like high blood pressure or prediabetes. The study aims to see if the pill is safe and helps with weight loss compared to a placebo. Part…

This study tests an experimental oral medication, KAI-7535, taken once daily to help people with obesity or overweight lose weight. About 320 adults with at least one weight-related condition (like high blood pressure or sleep apnea) will receive either the drug or a placebo for …

This study tests whether giving DHA (a type of omega-3 fat) early to very preterm infants who are small at birth can improve head growth without causing too much fat gain. The trial will include 152 infants and measure head size and body fat at 36 weeks adjusted age. If successfu…

This study is testing whether two different versions of the drug survodutide are equally effective in the body. It involves 80 healthy overweight or obese adults who will receive both formulations in a crossover design. The goal is to see if the new formulation matches the origin…

This study looks at whether eating most of your daily calories in the morning or the evening leads to better long-term weight loss. About 174 adults with obesity will follow a reduced-calorie diet and exercise plan for 12 months. Researchers will track weight, sleep, and appetite…

This study tests whether a low-dose liposomal iron supplement works better and causes fewer stomach issues than the standard high-dose iron pills for people with iron deficiency anemia after sleeve gastrectomy. About 70 adults who had this weight-loss surgery at least 6 months ag…

This early-stage study tests a new drug called LY3971297 in healthy volunteers, people with obesity and high blood pressure, and those with reduced kidney function. The main goal is to check for side effects and measure how the drug moves through the body. The study involves up t…

This study tests whether a daily pill called phentermine helps teenagers aged 12 to 18 with obesity lose weight. About 240 teens will take either the drug or a placebo for 52 weeks. The main goal is to see how much their body mass index (BMI) changes, while also checking for side…

This study looks at whether vitamin D levels and supplements can reduce inflammation in people with gum disease (periodontitis or gingivitis). Researchers will measure markers of inflammation in blood and gum fluid before and after treatment. The study involves 120 adults with di…

This study tests whether tirzepatide, a drug used for diabetes and weight loss, is practical and acceptable for postmenopausal women who have had hormone receptor-positive breast cancer and are obese. Thirty participants will take the drug weekly for 24 weeks, with monthly check-…

This study tests an experimental drug called ALN-2232, given alone or together with the approved weight-loss drug tirzepatide, in 156 adults with obesity. The goal is to see if the combination is safe and leads to more weight loss than either drug alone. Participants will receive…

This pilot study tests a 3-month program that combines online education, music-paced brisk walking, group discussions, and phone follow-ups for 40 adults with both metabolic syndrome and chronic kidney disease. The goal is to see if the program can reduce waist circumference and …

This study looks at a program called Building Healthy Families, designed to help children ages 5-13 who are overweight or obese, along with their parents. The program focuses on healthy eating, physical activity, and lifestyle changes for the whole family. Researchers want to see…

This study tests a program called MiWeigh that helps people with obesity and related conditions like diabetes or high blood pressure lose weight. Participants get a personalized plan from a doctor, access to a website, and weekly check-ins. The goal is to see if this approach lea…

This early-stage trial tests a new drug called AZD1043 in 104 healthy adults who are overweight or obese. The goal is to check the drug's safety and how the body processes it. Participants receive either the drug or a placebo by injection. The study includes people of Japanese an…

This study tests a new medicine, maridebart cafraglutide, for adults with obstructive sleep apnea who are overweight or obese and already use a CPAP machine. The goal is to see if the drug can reduce breathing pauses during sleep and help with weight loss over 52 weeks. About 250…

This study investigates whether certain genetic variations influence how much weight people lose when taking the FDA-approved weight loss drug Contrave (naltrexone/bupropion). Over 40 weeks, 120 adults with obesity will first follow a calorie-restricted diet for 12 weeks, then ad…

This large phase 3 trial is testing a new once-weekly injection called MET097 for weight loss in 3501 adults with obesity or overweight (but without diabetes). Participants will receive either the drug or a placebo for up to 84 weeks. The main goal is to see how much weight peopl…

This study tests two experimental drugs, PF-08653945 and PF-08653944, given alone or together, for weight loss in adults with overweight or obesity. About 872 participants will receive either the drugs or a placebo injection. The main goal is to see how much weight they lose over…

This study will test if a 'produce prescription' program, called Eat Well, helps veterans with high blood pressure and food insecurity. About 1,500 veterans in North Carolina will either get money for fruits and vegetables for 6 or 12 months, or standard care. Researchers will tr…

This study tests a program that combines face-to-face counseling with a mobile app to help teenage girls with iron deficiency anemia. About 160 girls aged 14-17 with low iron levels will either get the program or standard care. The goal is to see if the program raises their hemog…

This study looks at whether adding tirzepatide (a weight-loss drug) to standard ixekizumab treatment helps adults with active psoriatic arthritis who are overweight or obese. About 200 participants will receive both medications for up to 12 months. The goal is to see if this comb…

This study tests whether a specially designed health behavior program can help people with metabolic syndrome and chronic kidney disease reduce their waist size and improve kidney function. Researchers will compare the program to usual care in 160 adults, measuring changes in wai…

This study compares two treatments for a condition called primary aldosteronism, where a small adrenal gland tumor causes high blood pressure. One treatment is laparoscopic surgery to remove the tumor; the other is radiofrequency ablation (RFA), which uses heat delivered through …

This study tests whether a lifestyle program tailored to a person's specific obesity type helps them lose more weight and keep it off. Researchers at Mayo Clinic will enroll 228 adults with obesity and give them either a standard or a personalized diet and exercise plan for 12 mo…

This pilot study tests a 6-month program that teaches families about healthy eating and activity, and delivers fresh fruits and vegetables to their homes. About 30 children aged 4 to 10 with obesity, along with their caregivers, will take part. The main goal is to see if the prog…

This early-stage study tests a new daily pill, RO7795081, in 30 healthy Chinese adults who are overweight or have obesity. The main goal is to check the drug's safety and how the body handles it. Participants will receive either the drug or a placebo, and researchers will monitor…

This study tests whether a program called Sisters for Heart Health can help farmworker women ages 18-50 reduce stress, feel less isolated, and improve their heart health. Participants will join weekly peer support groups led by trained community health workers for 10 weeks. The s…

This study looks at whether adding a GLP-1 weight-loss drug after bariatric surgery helps people with obesity lose more weight and avoid regaining it. About 200 Chinese adults aged 18-60 who are having sleeve gastrectomy will be randomly assigned to get the drug or not. The goal …

This early-stage study is testing an experimental drug, MBX 4291, in 124 adults with obesity. The main goal is to check the drug's safety and how the body processes it. Participants will receive either the drug or a placebo as a shot under the skin, and researchers will monitor f…

This study tests whether adding appetite-suppressant drugs (topiramate or phentermine) to lifestyle counseling can help people who have regained weight after bariatric surgery. About 120 adults who had sleeve gastrectomy or gastric bypass at least 18 months ago and regained at le…

This study tests if adding health coaching to regular home visiting services helps pregnant and new moms lose weight gained during pregnancy. The goal is to reduce long-term risks for heart disease and diabetes. Researchers will enroll 360 women who are overweight before pregnanc…

This study tests a program that helps people with obesity who are waiting for a kidney transplant lose weight. Participants will receive education, a calorie tracking app, a continuous glucose monitor, a weight scale, and a food scale. The goal is to see if this program is practi…

This study investigates whether combining supervised resistance exercise three times a week with a high-protein diet can reduce frailty and improve balance in obese women aged 60–70 who have sarcopenia (age-related muscle loss). Sixty participants are randomly assigned to either …

This pilot study is testing whether galantamine, a drug already approved for Alzheimer's disease, can safely reduce inflammation and treat metabolic syndrome in people with chronic spinal cord injury. The study will enroll 60 adults who use wheelchairs and have obesity-related wa…

This study tests whether a structured, tailored nutritional care program helps children who need nutritional support after leaving the hospital. About 260 children from newborns to 18 years old will take part. Parents fill out questionnaires on eating behavior, stress, and food d…

This study is for overweight or obese women aged 18–45 with atypical endometrial hyperplasia, a precancerous condition of the uterine lining. Participants will receive either a levonorgestrel-releasing IUD (Mirena) or megestrol acetate pills, combined with a weight management pro…

This pilot study tests a device that gently stimulates a nerve in the ear (taVNS) to help overweight or obese people who didn't lose much weight after 12 weeks of diet and exercise. 24 participants will get either real or sham stimulation twice daily for 12 more weeks, while cont…

This early-stage trial tests a new drug called NNC0497-0040 in healthy people, those with overweight or obesity, and people with type 1 diabetes who are also overweight. The goal is to see if the drug is safe and tolerable when given as a weekly injection. About 146 participants …

This Phase 3 trial tests whether the drug HRS-7535 can lower blood pressure better than a placebo in 648 adults with hypertension who are also overweight or obese. Participants will take the drug or placebo for up to 48 weeks, and researchers will measure changes in blood pressur…

This early-stage study tests an experimental oral drug called RO7795081 in 40 healthy overweight or obese adults. The main goals are to check safety and how the drug interacts with common statins (rosuvastatin and pitavastatin). Participants will receive the drug or a placebo in …

This study tests a weight loss program for adult survivors of childhood acute lymphoblastic leukemia (ALL) who are overweight or have obesity. Participants receive a weekly injection of tirzepatide plus remote, supervised resistance exercise three times a week for 28 weeks. The g…

This study examines weight loss in adults who took semaglutide (a prescription weight management drug) as part of their routine care. Researchers will analyze medical records from about 35,000 people with overweight or obesity to see how much weight they lost and whether they ach…

This study tests whether a daily fiber supplement (resistant starch, like Benefiber) can improve heart health markers and gut bacteria in women with polycystic ovary syndrome (PCOS). One hundred women will take either the fiber or a placebo for 12 weeks, alongside standard birth …

This study tests a new drug called NNC0487-0111, given as a once-weekly injection, to see if it helps people with obesity lose weight safely. About 1,150 adults who have tried to lose weight before will receive either the drug or a placebo. The main goal is to measure how much bo…

This study tests whether combining two experimental drugs, MET233 and MET097, can help adults with obesity or overweight lose weight, including those with type 2 diabetes. About 381 participants will receive either the drug combination or a placebo to check safety and how well th…

This study aims to find out which parts of a relapse prevention treatment work best for people with anorexia nervosa after they leave the hospital. About 60 adults who have regained a healthy weight will take part. Researchers will track weight changes, eating habits, and motivat…

This early-stage study tests a new drug, WVE-007, given as a shot under the skin to help with weight loss. It includes about 296 adults who are overweight or have obesity, some with pre-diabetes or type 2 diabetes. The main goal is to check safety and how the drug moves through t…

This study looks at how obesity affects recovery from post-COVID conditions in older Veterans. Researchers will test if a weight loss program with diet and exercise can reduce inflammation and improve physical function and quality of life. The study involves 150 Veterans, some wi…

This study is testing whether adding the weight-loss drug tirzepatide to the standard psoriasis medication ixekizumab helps people with moderate-to-severe plaque psoriasis who are also overweight or obese. About 200 adults will receive tirzepatide injections for up to 12 months. …

This study tests whether a new medicine called NNC0487-0111, given as a weekly injection, is safe and effective for weight loss in adults with obesity. About 600 participants will receive either the active drug or a placebo (dummy injection) for comparison. The main goal is to me…

This study tests a once-weekly injection called NNC0487-0111 in 630 adults who are overweight or obese and have type 2 diabetes. Participants receive either the active drug or a placebo for about a year. The main goal is to see how much weight they lose, with additional checks on…

This study tests whether giving a combination of iron, erythropoietin, and vitamin C before major heart surgery can lower the need for blood transfusions in adults with iron-deficiency anemia. About 400 participants will receive either the combined regimen or standard care. The g…

This study tests whether a structured cardiac rehabilitation program with exercise and lifestyle coaching, started after a standard catheter ablation procedure, can help obese patients with atrial fibrillation stay free from the heart rhythm disorder longer. Researchers will foll…

This study tests whether a 12-week telephone health coaching program, called Support Your Heart, is practical and helpful for young adults aged 18-39 who have at least two heart disease risk factors (like poor sleep, inactivity, or high blood pressure). Twenty participants in the…

This pilot study tests whether a gentle electrical stimulation of the ear (taVNS) can help overweight or obese people lose more weight when they haven't lost enough on the medication tirzepatide alone. 24 participants will receive either active ear stimulation or a sham (fake) st…

This early-stage trial tests a single dose of the experimental drug IBIO-600 in 32 overweight or obese adults. The main goal is to see if the drug is safe and tolerable, and to measure how it moves through the body. Researchers will also look at its effect on body composition. Th…

This Phase 3 study tests whether a new drug called CagriSema helps people with severe obesity (with or without type 2 diabetes) lose more weight than the existing drug semaglutide. About 2,500 participants will receive either CagriSema or semaglutide for 83 weeks. The main goal i…

This study tests whether eating all meals within a 9-hour window each day for 12 weeks can improve insulin sensitivity and other heart health markers in 100 adults with obesity and prediabetes. Participants will be randomly assigned to either a 9-hour eating window or a 14-hour w…

This study tests whether taking a probiotic for 3 months can improve how the body processes fats after a meal in adults aged 50-70 who are overweight or moderately obese but otherwise healthy. 66 participants will receive either the probiotic or a placebo. The main goal is to see…

This study is testing whether bariatric surgery (like gastric bypass) can safely reduce the risk of major heart problems—such as heart attacks, strokes, and heart failure—in people with severe obesity and high heart risk. About 700 participants will be randomly assigned to either…

This study looks at whether giving patients with bone or soft tissue sarcoma a special nutritional supplement twice daily before surgery can reduce complications and help maintain muscle mass. About 100 adults scheduled for tumor removal will be randomly assigned to receive eithe…

This study tests a non-invasive brain stimulation method (temporal interference stimulation) aimed at improving metabolism in people with stable bipolar disorder who also have obesity. Researchers will measure changes in key metabolic molecules like GLP-1. The study enrolls 70 ad…

This pilot study tests whether a special diet based on a baby's lean body mass can help large newborns (born with excess body fat) who struggle with oral feeding. Researchers will compare this tailored feeding approach to standard care in 40 infants. The goal is to see if the die…

This Phase 3 trial tests a drug called IBI362 in people with mild to moderate high blood pressure who are also overweight or obese. Participants receive weekly injections of either the drug or a placebo for 48 weeks. The main goal is to see if IBI362 lowers blood pressure more th…

This study tests if tirzepatide, a weekly injection, can help overweight or obese people with well-controlled HIV lose weight and reduce chronic inflammation. Twelve adults will receive increasing doses over 12 weeks, with a 4-week safety follow-up. Researchers will measure chang…

This study tests whether giving preterm babies (born before 32 weeks) a drug called darbepoetin plus a slow-release intravenous iron can reduce the need for blood transfusions, keep their iron levels healthy, and improve their brain development. About 120 infants will be enrolled…

This study tests a program that gives food supplements to pregnant women, new mothers, and their babies, along with advice on healthy eating, exercise, and infant feeding. The goal is to reduce both maternal obesity and child stunting in rural Indigenous communities in Guatemala.…

This study follows overweight and obese adults aged 45-65 to see if a tailored program of counseling, supervised exercise, and digital tools helps them lose weight and improve heart health over 18 months. Participants are compared to a group that only gets general written advice.…

This early-phase study aims to see if a natural substance called angiotensin-(1-7) can improve how the body uses insulin in people with obesity, insulin resistance, and high blood pressure. About 26 adults aged 18-60 will receive the peptide or a placebo infusion, and researchers…

This study tests an experimental drug called CS060380, taken with the weight-loss drug semaglutide, in adults with both fatty liver disease (MASH) and obesity. About 120 participants will be randomly assigned to get either CS060380 or a placebo for 36 weeks, then everyone gets CS…

This study tests a weight loss program for 522 low-income adults with obesity in Louisiana. Participants receive health coaching, digital self-monitoring tools, and group support to find community wellness resources. The goal is to see if this approach leads to greater weight los…

This study tests a new magnetic device that creates a shortcut in the gut to help with weight loss and blood sugar control, comparing it to the popular drug semaglutide (Ozempic/Wegovy). Twenty adults with obesity and type 2 diabetes will be randomly assigned to either the one-ti…

This early-stage study tests the safety and tolerability of a new injectable drug called ABBV-295 in 48 adults with obesity. Participants will receive either the drug or a placebo over several weeks. Researchers will monitor side effects, changes in body weight, and how the drug …

This study tests tirzepatide, a once-weekly injection, in 344 Indian adults with type 2 diabetes or obesity. Over 46 weeks, researchers will check for serious side effects and measure weight loss and blood sugar control. The goal is to see if this drug is safe and effective for t…

This study looks at how well the drug tirzepatide works in everyday life for people with obesity (without diabetes) or type 2 diabetes (with or without obesity). About 160 adults in Paraguay will take the drug as part of their regular care and be followed for 52 weeks. Researcher…

This study tests whether weighing yourself every day can help teens with obesity manage their weight. About 99 teens aged 12 to 18 will be split into three groups: usual care, usual care plus a simple scale, or usual care plus a smart scale that sends data to their doctor. The st…

This study compares two weight-loss surgeries—SASI bypass and sleeve gastrectomy—in 220 adults with severe obesity. The goal is to see which one leads to more weight loss and fewer problems like acid reflux. Participants will be randomly assigned to one of the two procedures and …

This Phase 3 trial tests a new medicine called MET097, given as a weekly injection, to help adults with overweight or obesity and type 2 diabetes lose weight. About 999 people will take part, with two-thirds getting the real drug and one-third getting a placebo. The study lasts a…

This study is testing whether a skin patch that delivers estrogen can help improve bone density in adult women with anorexia nervosa who have low bone mass. Participants will be randomly assigned to receive either the estrogen patch or a placebo patch for 18 months. The main goal…

This study is testing whether e-cigarettes or nicotine replacement therapy (patches and lozenges) can help obese smokers quit or reduce smoking. Sixty participants will use one of the two products for 8 weeks, and researchers will track how many cigarettes they smoke, their carbo…

This study tests whether giving vitamin A supplements to children with low vitamin A levels can slow the worsening of scoliosis (curved spine). The trial will include 140 children aged 6 to 15 who have mild to moderate scoliosis and are still growing. Half will get vitamin A plus…

This study tests whether taking tirzepatide (Mounjaro/Zepbound) for three months before bariatric surgery reduces inflammation and leads to better weight loss and fewer complications. Fifty adults with obesity scheduled for surgery will either receive the drug or standard diet an…

This study tests a 16-week behavioral program called T1DAL, designed specifically for teens with type 1 diabetes who have overweight or obesity. About 50 teens will be randomly assigned to either the program or usual care. The program includes virtual group sessions and one-on-on…

This study directly compares two popular weight-loss medications, tirzepatide and semaglutide, in 120 adults with obesity and metabolic syndrome. Participants will be randomly assigned to one drug and monitored for 12 months using advanced body scans, blood tests, and AI analysis…

This study tests a new way of caring for new mothers and their babies together, called MOMI PODS. It focuses on moms who had heart or mental health problems during pregnancy. The goal is to see if this coordinated care model improves health and reduces risks like postpartum depre…

This study tests whether a supervised, equipment-free high-intensity interval training (HIIT) program can improve heart and muscle fitness, body composition, and blood markers in adults aged 18-55 who are overweight or obese. Participants will do body-weight exercises in small gr…

This study tests whether a lifestyle program can help people with obsessive-compulsive disorder (OCD) become more active and lower their risk for heart disease and diabetes. Researchers will enroll 108 adults with OCD who are not very active. The program focuses on increasing dai…

This study looks at whether giving iron supplements to children with low iron before hip surgery can reduce their need for blood transfusions and improve recovery. The trial includes 180 children aged 0-18 who are scheduled for a specific type of hip surgery, many of whom have ce…

This study tests a personalized program to help people who have lost weight keep it off. About 30 adults who lost at least 7% of their body weight in the past 6 months will receive weekly texts, surveys, and possibly health coaching over 26 weeks. The goal is to see if this appro…

This study tests whether eating all your food within 8 hours each day (time-restricted eating) helps people with obesity keep weight off after losing it. About 212 participants will follow a calorie-restricted diet to lose 8-10% of their body weight, then be split into two groups…

This study looks at what happens to your body when you take anti-obesity medications like semaglutide or tirzepatide, and whether adding aerobic or resistance exercise helps preserve muscle and bone while losing fat. About 40 adults will be assigned to either standard care (medic…

This study tests whether empagliflozin, a drug used for diabetes, can reduce chronic inflammation in people with obesity and metabolic syndrome. Researchers will measure immune cells and blood vessel function in 74 adults. The goal is to find a new way to lower heart disease risk…

This study tests a personalized diet and exercise program guided by a smartphone app in 140 obese adults with coronary heart disease. Participants receive custom meal plans and daily weight tracking to help them lose weight safely. The goal is to see if this approach improves wei…

This study tests whether eating 3 whole eggs every day for 4 weeks can improve metabolic health and choline levels in adults with obesity. Twenty participants aged 30-65 with a BMI over 30 will eat the eggs while continuing their normal lifestyle. Researchers will measure liver h…

This study tests whether adjusting sex hormone levels with aromatase inhibitors can improve metabolic health and sperm production in men with Klinefelter syndrome. It also examines if adding semaglutide (a weight-loss drug) or hCG provides extra benefits. The trial involves 150 m…

This Phase 1 study looks at how CagriSema, semaglutide, and cagrilintide affect muscle health in 100 adults aged 50-70 with obesity and slightly high blood sugar. Participants will receive one of the drugs or a placebo for up to 15 months. The main goal is to measure how well mus…

This early study looks at whether taking tirzepatide (Mounjaro) after sleeve gastrectomy surgery helps people lose more weight and improve conditions like diabetes and high blood pressure. About 42 adults with obesity will be split into two groups: one gets surgery alone, the oth…

This study tests whether a supplement called Xanthigen helps overweight adults lose weight. About 180 people with a BMI between 27 and 30 will take either a low dose, high dose, or placebo for 16 weeks. Researchers will measure weight, BMI, and waist size to see if the supplement…

This study tests a telehealth program to help cancer survivors quit smoking, lose weight, and get more active. About 1500 participants will either get coaching sessions or just information. The goal is to see which approach works better for improving long-term health.

This study compares time-restricted eating (eating only within a 12-hour window each day) to standard calorie-restricted diets in 128 children aged 8-17 with obesity. Over 48 weeks, researchers will measure weight loss and how well children stick to the diet. The goal is to find …

This study gives overweight teens ages 12-17 free weekly produce from a local farm for 8 weeks, along with educational videos. Researchers want to see if this program is practical and if it increases fruit and vegetable intake, improves blood pressure, and helps with weight. Fift…

This study tests a new surgical device (a metal clip) to create a second food pathway in the stomach for people with type 2 diabetes who are overweight or mildly obese (BMI 25-35). The goal is to improve blood sugar control without causing too much weight loss or needing lifelong…

This study tests whether breathing a special mix of low and high oxygen air (called intermittent hypoxic-hyperoxic training) can help lower blood sugar in people with type 2 diabetes. About 250 adults aged 50-74 will be split into groups receiving either a 3-day or 10-day course …

The PROVE trial is testing whether a weight loss program combined with walking exercise can improve or maintain walking ability in people with peripheral artery disease (PAD) who are overweight. 212 participants will be randomly assigned to either weight loss plus exercise or exe…

This study is testing whether a healthy diet centered around beef can reduce inflammation and improve metabolic health better than a standard U.S.-style diet based on USDA guidelines. Researchers will enroll 56 adults with metabolic syndrome or pre-diabetes and assign them to one…

This study looks at different ways to give iron to people with kidney failure who are on peritoneal dialysis. Participants will get either high-dose or low-dose intravenous iron, or oral iron tablets. The main goal is to see if a larger trial is possible by checking how many peop…

This study tests whether adding a special light treatment (antimicrobial photodynamic therapy) to standard deep cleaning helps people with obesity and gum disease. 24 participants will receive either standard cleaning alone or cleaning plus the light therapy. Researchers will che…

This study looks at whether a combination of physical exercise and a nutritional supplement (phenylcapsaicin) can improve body composition, metabolism, and overall health in adults aged 50-65 who are overweight but not obese. Participants must have at least two signs of mild meta…

This study tests whether using a sit-stand desk at work can improve insulin sensitivity and reduce diabetes risk in 198 overweight, sedentary adults with prediabetes or other risk factors. Participants are randomly assigned to stand 2 or 3 hours per day at a sit-stand desk, or to…

This 12-week study tests whether replacing highly processed soy foods (like soy burgers) with less processed options (like tofu or edamame) can lower blood pressure and improve heart health in 300 adults with obesity, hypertension, and often type 2 diabetes. Participants use a di…

This study tests whether a high-energy liquid formula with added vitamins can improve nutrition in children under 5 who have chronic cholestasis (a liver condition that blocks bile flow) and severe malnutrition. Fifteen children will drink the formula for 14 days, and researchers…

This early-stage trial is testing a new drug, HM17321, to see if it is safe and how the body processes it. About 90 healthy and obese adults will receive either the drug or a placebo as a shot under the skin. The main goal is to check for side effects, not to treat obesity yet.

This study tests whether adding a digital behavioral tool called Evira to standard obesity medication (liraglutide or semaglutide) helps teens with obesity lose more weight than medication alone. Forty adolescents aged 12-17 will be randomly assigned to either the combination or …

This study looks at whether exercise training, the drug liraglutide, or both together can improve blood flow to the heart and muscles and help the body use insulin better in adults with metabolic syndrome. About 80 participants will be randomly assigned to one of four groups: con…

This trial tests a 9-month program for women who had preeclampsia during their first pregnancy. The program includes online screening, group meetings, and a smartphone app to help monitor blood pressure and weight. Researchers want to see if it improves heart health and promotes …

This study looks at whether a special lifestyle program can help women ages 18-25 with a BMI between 25 and 50 lose weight and reduce inflammation better than standard weight loss advice. About 32 women will take part over 12 months. The goal is to improve long-term health by tar…

This study tests whether a special type of iron supplement (Sucrosomial iron) helps children with celiac disease who also have low iron or anemia. The trial will compare children who take the supplement plus a gluten-free diet to those who only follow the diet. The goal is to see…

This study tests whether artificial intelligence can better predict difficult airway management in 340 obese patients undergoing bariatric surgery. Researchers will compare AI predictions using standard measurements like mouth opening and neck length against actual views during i…

LiverSeek is a study testing an automated screening program for advanced liver fibrosis in people aged 50-75 with risk factors like diabetes or obesity. When a routine blood test is done, the lab system automatically calculates a fibrosis score and, if needed, orders additional t…

This study tests a robot-assisted capsule (a pill-sized camera) to examine the stomach and small bowel in people with iron deficiency anaemia whose cause hasn't been found by standard tests. The goal is to see if this less invasive method works as well as traditional upper endosc…

This study looks at how to best provide multiple micronutrient supplements (MMS) to pregnant women through Uganda's health system. About 4,000 pregnant women will receive MMS in different bottle sizes to see which approach improves supplement use and clinic attendance. The goal i…

This study tests a program called PINPOINT that helps women with obesity or diabetes get screened for cervical cancer. About 20 women who are behind on screening will be offered options like self-collection or a Pap smear. The goal is to see if the program is practical and well-l…

This study tests whether adding folic acid to iodized salt can raise folate levels in women of childbearing age in Zambia, a country without mandatory folic acid fortification. Two hundred fifty non-pregnant, non-lactating women aged 18–45 will use the fortified salt instead of r…

This study tests a 6-week group program called PrevED MR that uses mixed reality and virtual reality to teach emotion regulation skills to teens and young adults at risk for eating disorders. The program includes 12 sessions combining therapy exercises with immersive experiences.…

This study is testing whether a special software that analyzes CT scans of the heart's arteries can better prevent heart attacks, strokes, and other cardiovascular events compared to usual care based on risk factors like cholesterol and blood pressure. The trial will enroll 7,500…

This study compares two different doses of vitamin D3 supplements in pregnant women who have low vitamin D levels. The goal is to see if a higher dose (50,000 IU every two weeks) is better than a lower dose (5,000 IU weekly) at preventing preeclampsia, a serious pregnancy complic…

This study tests whether taking part in racial justice activism can prevent depression and reduce physical stress in Black and Latinx young people aged 15-20. Researchers will measure mood, stress hormones, and health markers over two years. The goal is to see if activism can be …

This study looks at whether offering free center-based childcare during the summer can help prevent unhealthy weight gain in preschoolers from low-income households. Researchers will enroll 300 children who attend needs-based pre-K programs. The goal is to see if the structure an…

This study tests two parenting programs for families with newborns. One program teaches parents how to recognize baby hunger and fullness cues and offers nutrition advice. The other provides safety tips like safe sleep and car seat use. Researchers will track the babies' growth a…

This study looks at whether different types of exercise (aerobic, resistance, or both) during pregnancy can improve the health of both mother and child. Researchers will follow 300 overweight or obese pregnant women and their babies for one year after birth. The goal is to find t…

This study tests a 9-month program to prevent obesity in 2,340 primary school children aged 6-12 in Pakistan. The program includes health education, daily physical activity, parent workshops, and regular feedback via WhatsApp. Half the schools will get the program, the other half…

This study compares two types of nutrient supplements—small-quantity and medium-quantity—to see if the smaller one works just as well at preventing undernutrition in children aged 6 to 12 months. About 980 infants in Pakistan will receive one of the two supplements daily for 6 mo…

This study tests whether combining a food prescription program with education on healthy feeding practices can help parents prevent chronic diseases like obesity in their children. Researchers will enroll 375 parents of children aged 4-8 in Texas. Participants will receive either…

This study looks at whether drinking regular milk can lower the risk of type 2 diabetes in people with lactose intolerance who also have pre-diabetes. Researchers will compare regular milk to lactose-free milk over 12 weeks in 40 adults. They will measure changes in gut bacteria,…

This study is testing a mobile health platform designed to help children ages 8-12 who don't get enough sleep (less than 8.5 hours per night) sleep longer. The goal is to see if improving sleep can help prevent obesity. The study will enroll 5,000 children and track their sleep d…

This study tests if a daily probiotic powder can prevent or reduce weight gain, high blood sugar, and high cholesterol caused by certain antipsychotic drugs. About 112 adults starting or recently starting olanzapine, quetiapine, risperidone, or clozapine will take either the prob…

This study looks at whether whole or low-fat (1%) milk is better for preventing obesity in toddlers. Researchers will give 625 children either whole or low-fat milk for one year and measure changes in waist size and body mass index. The goal is to find out which milk type support…

This study in Chad and Niger tests whether giving a small, nutrient-packed food supplement (SQ-LNS) to children aged 6 to 11 months can encourage families to complete routine vaccinations. Around 20,000 children will receive the supplement until they are 18 months old, and resear…

This study tests whether a smartwatch-based program, combined with coaching from healthcare staff, can improve heart health in overweight or obese adults who have early signs of problems like high blood pressure or prediabetes. The program focuses on exercise and diet, and tracks…

This study tests whether community health workers can help adults with chronic illnesses get up-to-date on COVID-19 and flu vaccines. Participants receive up to three counseling sessions in English or Spanish to address their vaccine concerns. The goal is to reduce health dispari…

This study tests whether playgroups or parent education classes can help toddlers develop healthy eating and activity habits. About 300 families with toddlers aged 18-36 months will be randomly assigned to one of three groups: a playgroup, a parent education class, or continuing …

This study tests whether a program that addresses chronic pain can help teens with obesity stay in weight management treatment. Fifty adolescents aged 12-18 with both obesity and musculoskeletal pain will either receive the Pain and Weight Treatment (PAW) plus standard care, or p…

This study tests whether online group education and lifestyle coaching can improve quality of life and health markers in women with PCOS and obesity. Forty non-pregnant women aged 18-49 will be assigned to either the virtual program or usual care. Researchers will measure changes…

This study looks at whether the timing of a 9-hour eating window (early, mid, or late in the day) affects blood sugar control in people with obesity who have or are at risk for type 2 diabetes. Over 7 days, 120 participants will follow one of three time-restricted eating schedule…

This study tests whether early time-restricted eating (eating only during a set morning window) helps postpartum women with overweight lose weight and improve heart health. Sixty women 6-16 weeks after a healthy pregnancy will either follow this eating schedule or eat normally fo…

This study tests whether cagrilintide, a new injectable drug, causes fewer stomach side effects than a placebo in people with obesity who previously quit GLP-1 medications due to nausea, vomiting, or diarrhea. About 114 participants will receive either cagrilintide or a dummy sho…

This study is testing whether a time-restricted eating plan (eating only during an 8-10 hour window each day) combined with a healthy plant-based diet is safe and doable for people with liver cancer, cirrhosis, or fatty liver disease. Fifty overweight or obese adults will either …

This Phase 3 study tests a once-weekly injection called eloralintide in 900 adults with osteoarthritis of the knee who are also overweight or obese. The goal is to see if it reduces knee pain and helps with weight loss compared to a placebo. Participants will be in the study for …

This study is testing a new, ultra-thin endoscope that goes through the nose without sedation, instead of the usual mouth-and-sedation approach. Researchers want to see if it improves patient experience and lowers costs for people in bariatric care. About 100 adults will try the …

This study tests different types of weekly feedback to help people lose weight. 300 adults with overweight or obesity will receive feedback on their calorie intake, diet quality, or physical activity. The goal is to find which feedback works best for improving weight loss.

This study tests whether 10 minutes of daily brain games on a phone can help teens aged 14-17 with overweight improve their self-control around food. Over three weeks, participants play games designed to strengthen inhibitory control and receive a short nutrition lesson. The goal…

This trial compares a new 'low impact' laparoscopic technique using lower gas pressure and smaller incisions to standard laparoscopy for sleeve gastrectomy in 128 obese patients. The goal is to see if it reduces post-surgery pain and improves lung function. Participants are rando…

This study tests whether the Thrive AI Health app can help adults with type 2 diabetes or overweight improve their daily habits like diet, exercise, and sleep. About 20 participants will either use the app or not, and researchers will compare changes over time. The app uses artif…

This study tests a mobile app that delivers an 8-week cognitive-behavioral therapy program for adults with Avoidant/Restrictive Food Intake Disorder (ARFID). ARFID is a serious eating disorder that makes it hard to eat enough or try new foods, and many people cannot access treatm…

This study tests whether a 16-week hydration program can reduce side effects like nausea and dehydration in people starting GLP-1 medications (such as Ozempic or Wegovy). Researchers will track 30 adults aged 18-60 who recently started the drug, measuring hydration levels and sid…

This study tests whether giving lidocaine through a stomach tube can reduce nausea and vomiting after weight-loss surgery. About 100 obese adults having laparoscopic sleeve gastrectomy will receive either lidocaine or a saltwater placebo right after surgery. Researchers will trac…

This study tests whether a wrist-worn device called Reletex Reliefband can reduce nausea and vomiting after bariatric sleeve gastrectomy. The device uses mild electrical pulses to stimulate nerves and suppress nausea. Researchers will compare it to a sham device in 100 adults to …

This study looks at whether adding pork protein to the diet can help middle-aged women with overweight or obesity who are taking GLP-1 medications (like Ozempic or Wegovy) maintain muscle and improve well-being. Over 12 weeks, 75 women will continue their medication and eat prote…

This pilot study tests whether tirzepatide, a medication used for diabetes and weight loss, can reduce the frequency and severity of hot flashes in postmenopausal women with obesity. Researchers will also measure markers of biological aging, like cellular senescence and epigeneti…

This study tests a once-daily pill called orforglipron in 800 adults with obesity or overweight who also have painful knee osteoarthritis. The goal is to see if the drug reduces knee pain and improves physical function over about 74 weeks. Participants will be randomly assigned t…

This early-stage study tests whether a new drug called NNC0113-5840 is safe for people with overweight or obesity. About 48 adults aged 18-55 with a BMI between 25 and 35 will receive either the drug or a placebo. The main goal is to check for side effects and how the drug moves …

This Phase 3 trial tests whether a once-weekly injection called NNC0487-0111 can help people with overweight or obesity and knee osteoarthritis lose weight and feel less pain. About 400 adults will receive either the drug or a placebo for several weeks. Researchers will measure c…

This Phase 3 study tests a once-weekly injection called NNC0487-0111 in 400 adults who are overweight or obese and have knee osteoarthritis. The goal is to see if it helps with weight loss and reduces knee pain compared to a placebo. Participants receive either the active drug or…

This study tests whether a text message program that helps people reduce 'safety behaviors' (like checking mirrors or seeking reassurance) can lessen appearance anxiety, body dysmorphic symptoms, and related eating or social anxiety issues. About 300 adults with high appearance c…

This study tests whether a nasal spray containing oxytocin (a natural hormone) can help adults with binge-eating disorder eat less often in binges. About 60 adults will receive either the oxytocin spray or a placebo for 8 weeks. Researchers will track changes in binge frequency a…

This study tests whether a gentle electrical stimulation on acupoints or resistance exercises can help raise hemoglobin levels in women with iron deficiency anemia. Sixty women aged 20-30 with moderate anemia will be split into three groups: one receiving the electrical stimulati…

This early-stage study tests a new drug called ALV-100 in 180 adults who are overweight or obese, with or without type 2 diabetes. The main goal is to check the drug's safety and how the body processes it. Participants receive either the drug or a placebo, and researchers will mo…

This study tests if injecting vitamin C and glutathione into dark gums can lighten them as well as surgery. About 30 adults with gum pigmentation will be randomly assigned to either injection or scalpel removal. The main goal is to see how much the color improves, and the study a…

This study tests if a mild electrical patch placed on the skin (called TENS) can prevent breathing problems after weight-loss surgery in people with severe obesity. About 70 participants will be randomly assigned to receive either TENS or a fake device. The main goal is to see if…

This study looks at whether adding a special whey protein supplement to a high-fat meal can improve markers of heart and brain health in postmenopausal women who are overweight and at moderate risk for heart disease. Sixteen women will each try the supplement and a placebo on sep…

This study tests a once-weekly injection called retatrutide to see if it can reduce chronic low back pain and help with weight loss in people who have obesity or overweight. About 586 participants will receive either the drug or a placebo for up to 80 weeks. The goal is to find a…

This study tests whether starting gentle, supervised movement soon after bariatric surgery and continuing it at home can help manage pain and improve recovery. Researchers will track pain levels, physical function, and quality of life in 112 participants. The goal is to find a si…

This study tests whether a 4-week emotion regulation and self-monitoring program can help overweight and obese teens ages 11-14. Participants attend weekly telehealth groups and track their mood and health behaviors. Researchers will measure changes in brain activity, blood marke…

This study tests whether extra nutritional counseling helps head and neck cancer patients maintain their weight after surgery. 60 adults having surgery for head and neck cancer will be split into two groups: one gets standard care, the other gets extra support from a dietitian an…

This early-stage study tests a new injection called SHR-2906 to see if it is safe and tolerable. It involves 124 healthy volunteers and obese patients. The goal is to check for side effects and how the drug moves through the body.

This study tests a medicine called cagrilintide to see how it affects appetite and how much people eat. About 120 adults with overweight or obesity will receive either the drug or a placebo for around 30 weeks. The goal is to measure changes in total energy intake from meals and …

This study tests a nutrition education program for children ages 2 to 18 recently diagnosed with celiac disease. The program focuses on eating naturally gluten-free foods and avoiding ultra-processed gluten-free options. Researchers will compare this approach to standard gluten-f…

This study is testing a weight loss program that uses a smartphone app and a coach to help teens and young adults who are overweight after a stem cell transplant. The goal is to see if the program can help them lose weight and build healthy eating habits. About 20 people who are …

This study tests whether a support group for siblings (ages 2-18) of teenagers with anorexia nervosa is acceptable and helpful. About 24 siblings will attend group sessions and fill out questionnaires about their experience and quality of life. The goal is to see if this kind of …

This study explores whether teaching people emotion regulation skills tailored to their individual needs works better than a one-size-fits-all approach. Researchers will enroll 390 adults with emotional difficulties, such as depression, anxiety, or PTSD, and assign them to practi…

This study explores whether a 6-week creative writing program can help 10 teens and young adults (ages 16-25) with anorexia nervosa express themselves, reflect on their experiences, and build resilience. Participants will attend weekly workshops involving reading, writing, and gr…

This study looks at whether blowing balloons can improve lung function and reduce shortness of breath in obese children aged 6 to 12. Thirty-eight children will be split into two groups: one will blow balloons, the other will do a simple running exercise. Researchers will measure…

This study tests a mobile app designed to help adults with eating disorders stay motivated and ready for treatment while they are on a waitlist. Participants will either use the app for four weeks or continue with standard waitlist care. The goal is to see if the app can prevent …

This study tests a virtual reality program for children under 14 with anorexia nervosa. Kids will view an avatar of themselves in a mirror, gradually increasing in size to a healthy weight, to reduce anxiety about gaining weight. The goal is to improve eating habits and body imag…

This study tests whether personalized nutrition and exercise plans can reduce frailty and improve body composition in prostate cancer survivors who are on hormone therapy (ADT). Fifty participants will receive diet advice, exercise coaching, and educational sessions. Researchers …

This study tests whether a virtual therapy guided by parents can help teens with anorexia nervosa while reducing long wait times for treatment. About 90 families will take part, with parents leading sessions using a structured program. The goal is to see if this approach eases sy…

This study tests whether AI-generated audio stories can help people with anxiety and fear of failure. Forty adults will listen to personalized scenarios based on childhood memories of criticism, with one version including a therapeutic twist where a supportive figure steps in. Th…

This study tests whether adding very short, intense exercise bursts (called 'exercise-snacks') to a standard weight-management program can improve physical fitness in obese adolescents. Forty-eight teens will either do six mini-exercise sessions daily for three weeks or just rece…

This study tests whether a 5-week program of aerobic and resistance exercises can improve muscle quality, body composition, and quality of life in 84 adults who recently had bariatric surgery. Participants are split into an exercise group and a usual-care group. The goal is to se…

This study tests two types of social therapy for young adults (ages 18-30) with eating disorders or anxiety. One group gets educational sessions about brain function and social processing; the other adds interactive art tasks done in teams. Researchers will track changes in eatin…

This study tests whether low-energy shock wave therapy, a non-invasive treatment, can improve overactive bladder symptoms in women who also have metabolic syndrome. Sixty women will receive either the real therapy or a sham procedure. Researchers will track symptom changes using …

This study looks at how common and severe gum disease is in people with obesity. Researchers will check dental health, analyze saliva for signs of inflammation, and look at genes linked to obesity. They will also study the bacteria in dental plaque to understand the connection be…

This study looks at whether a woman's vitamin D level on the day of a frozen embryo transfer affects her chances of getting pregnant and having a baby. Researchers in the UAE will follow 126 women aged 18–40 undergoing frozen embryo transfer. The goal is to see if higher vitamin …

This study aims to learn more about methylmalonic acidemia (MMA) and related disorders by observing people with these conditions over time. Researchers will track complications, perform tests like blood draws and MRIs, and look for new genetic causes. The goal is to better unders…

This study aims to learn how type 2 diabetes and obesity in young people affect heart and blood vessel health over time. About 930 participants aged 12 to 25, including those with diabetes, overweight but not diabetic, and healthy lean individuals, will be followed for up to 25 y…

This study follows 1,500 children ages 8 to 17 over several years to learn how genes, sleep, mood, and environment affect eating behavior and overall health. Participants wear wrist monitors, answer smartphone surveys, and provide samples like blood and stool. The goal is to iden…

This study compares the effects of a ketogenic diet (high fat, very low carb) and a vegetarian diet (plant-based) against a standard mixed diet on gut bacteria, inflammation, and blood markers. Over 12 weeks, 200 adults aged 18-60 will provide stool and blood samples to track cha…

This early-stage study looks at how a new weight-loss drug, maridebart cafraglutide, changes the way the body processes oral contraceptives. It involves 45 postmenopausal women aged 45 to 65 who are overweight or obese. The goal is to see if the drug affects birth control hormone…

This study is testing a smartphone app that uses brief surveys and phone sensor data to detect when someone with an eating disorder might be at higher risk for behaviors like binge eating, restricting food, or purging. The app then delivers short video lessons on coping skills. T…

This natural history study will look at how metabolism relates to body size and composition in 2,000 people aged 2 and older, including healthy volunteers and those with conditions like diabetes, obesity, or cancer. Participants will stay in the hospital for two days to undergo v…

This study aims to learn more about heart and blood vessel diseases by observing people who have them or are at risk. Researchers will collect samples and perform tests like imaging and stress tests on up to 5,000 participants, including healthy volunteers and relatives of affect…

This study investigates whether a pregnant woman's body fat influences how well she responds to daily iron supplements. Over 300 pregnant women will take either 25 mg or 50 mg of iron each day from week 12 until delivery. Researchers will track iron levels in blood and other heal…

This study, called CEPEC, is a large platform trial enrolling 5,500 ICU patients across multiple countries. It tests different approaches to three common ICU treatments: how low to let blood pressure go with vasopressors, when to give platelet transfusions, and how to provide nut…

This study follows 1,500 pregnant women and their children for up to 18 years to understand how a mother's health, lifestyle, and environment affect her child's growth and risk for obesity, diabetes, and fatty liver. Mothers attend visits during pregnancy and after birth, while c…

This study will test whether adding taxes to unhealthy foods and giving discounts on healthy foods changes what people buy in an online grocery store. About 2,239 adults from all income levels will participate, with some getting only taxes, some only subsidies, some both, and a c…

This study investigates whether older adults with age-related hearing loss (presbycusis) can still hear and enjoy the sound of a crunchy biscuit while eating. Researchers will compare a crunchy biscuit with a soft one in 100 seniors aged 65 and older, asking them if they hear the…

This study looks at whether childhood trauma is linked to changes in stress hormones and inflammation in obese women. Researchers will measure cortisol levels in saliva and urine, along with other markers, in 102 women. The goal is to better understand how past experiences might …

This study looks at how being overweight or obese changes blood pressure during different breathing tasks and exercise. Researchers at Florida State University will measure blood pressure in 80 healthy adults at rest and during aerobic and breathing muscle tests. The goal is to b…

This study looks at whether a program to reduce sitting time and increase light activity before bariatric surgery helps women with obesity achieve better weight loss and health. Seventy-two women scheduled for surgery will be guided to replace sedentary behavior with movement. Re…

This study follows 200 obese Chinese patients undergoing weight-loss surgery to understand how nonalcoholic fatty liver disease (NAFLD) progresses. Researchers will take liver biopsies during surgery and track health markers over time. The goal is to find better ways to predict a…

This study aims to find the best way to deliver preventive health screenings to people in underserved and rural areas. It will compare different methods, such as interactive health reports, mobile screening units, and even droid-assisted screenings, to see which improves health e…

This study looks at people who had an endoscopic sleeve gastroplasty (ESG) at least 5 years ago to see if they kept the weight off. Researchers will measure total body weight loss at the 5-year mark. The goal is to understand the long-term success of this weight-loss procedure.

This observational study will follow 10,000 adults with obesity or overweight to understand how the disease progresses and what factors predict treatment success. Researchers will analyze medical records from 2000 onward, looking at heart and metabolic complications over 5 to 10 …

This observational study follows 150 people with MEHMO syndrome or related conditions to better understand how the disease progresses. Researchers will collect medical history, imaging, and lab samples to find biological markers that could help monitor the disease. No treatment i…

This study is tracking 2,000 adults over time to understand how obesity and disruptions to the body's internal clock (circadian rhythm) influence aging and heart health. Participants will provide health data, questionnaires, and biological samples during annual check-ups. The goa…

This study looks at what happens when adults with metabolic syndrome stop taking their usual metformin medication for 14 days. Researchers want to see if a short break affects insulin sensitivity, blood sugar levels, and other health markers. Participants will be randomly assigne…

This early-stage study looks at how ZT002, a long-acting experimental drug for weight management, affects the way the body processes four common medications (metformin, warfarin, rosuvastatin, and digoxin). About 60 overweight or obese but otherwise healthy adults aged 18-45 will…

This study follows 750 severely or morbidly obese patients who have undergone bariatric surgery at a single hospital in France. Researchers aim to track long-term weight loss and improvements in related health issues such as diabetes and high blood pressure. By observing real-wor…

This study is testing whether mixed reality (MR) versions of common mobility tests, like the Timed Up and Go test, are as accurate and reliable as the traditional versions for overweight and obese adults. About 119 participants will perform both MR and conventional tests using a …

This study looks at whether raising the head and torso 25 degrees helps people with severe obesity (BMI over 40) breathe better through a facemask while under general anesthesia. Fifty adults scheduled for elective surgery will be placed in both a flat and a head-elevated positio…

This study looks at whether a person's genetic makeup can predict how much weight they will lose on the drugs semaglutide or tirzepatide. Researchers will follow 220 adults with obesity who are starting one of these medications for six months. By analyzing genetic risk scores and…

This study looks at whether personality traits are linked to routine lab test results in 1,000 adults getting a health check-up. Participants fill out a personality questionnaire and provide blood samples. The goal is to see if certain personality types are more likely to have ab…

This pilot study aims to see if a new program can help people manage their weight after they stop taking anti-obesity medications. Researchers will test if the program is easy to run and acceptable to patients. About 214 participants will either receive the new program or usual c…

This study looks at how a mindfulness app might help teenagers (ages 13-18) who tend to ruminate—getting stuck in repetitive negative thoughts. Participants will be randomly assigned to use the app or a control activity, and will have brain scans and cognitive tests before and af…

This study looks at tiny particles called extracellular vesicles (EVs) released from fat cells. Researchers want to understand how these particles carry signals that may affect heart and liver health in people with obesity. About 100 adults having weight-loss surgery will provide…

This study compares how natural sugar (sucrose) and the artificial sweetener sucralose affect blood sugar control and metabolism in 120 adults with normal weight, overweight, or obesity. Participants will consume low or high doses of each sweetener in solid or liquid form over 12…

This study looks at how obesity and body fat affect heart disease risk in 2,000 healthy African American men and women. Researchers will measure body fat, blood fats, and insulin function to see if risk factors differ by sex. The goal is to understand why heart disease rates are …

This study is looking at whether people with a common inner-ear condition called benign paroxysmal positional vertigo (BPPV) have lower vitamin D levels than those without it. Researchers will compare vitamin D in 160 adults — half with BPPV and half without. The goal is to see i…

This study will enroll 20 adults with severe obesity who are scheduled for weight-loss surgery. Researchers want to see if advanced tools like MRI and 3D body scans give a clearer picture of health changes than just measuring weight or waist size. Participants will be followed fo…

This study looks at how a person's genetics, gut microbiome, and behaviors influence how well they tolerate and respond to the weight-loss drug tirzepatide. Researchers will follow 200 overweight or obese adults for up to 12 months, tracking weight changes, side effects, and whet…

This study looks at how long you need to fast and whether temporarily stopping GLP-1 medications (like liraglutide or semaglutide) affects how much food stays in your stomach. It involves 75 people with obesity who are already taking these drugs. The goal is to understand stomach…

This study follows 100 obese patients starting dialysis to understand why they are less likely to receive a kidney transplant. Researchers will track health changes over two years and compare them to non-obese patients. The goal is to identify barriers and improve access to trans…

This study looks at the long-term health of people who were cured of Cushing disease before age 21. Researchers want to understand how past high cortisol levels affect the body and mind years later. Participants will complete surveys and have check-ups every 5 years. The goal is …

This study aims to describe the physical and behavioral traits of overweight and obese adults compared to lean individuals. Researchers will measure hormones, metabolism, food preferences, fitness, sleep, and thinking patterns in 2,000 participants. The goal is to better understa…

This observational study will enroll up to one million adults to understand how health, environment, and lifestyle affect aging and disease. Researchers will link participants' clinical data with information from public records, such as pollution and social factors, to create a d…

This study tracks 800 obese patients at Nîmes University Hospital to see if they develop alcohol or other addictions during obesity treatment, especially after bariatric surgery. Researchers will use questionnaires and blood tests to understand these behaviors. The goal is to imp…

This study looks at whether a special care pathway for obesity helps patients feel more capable of managing their condition. About 133 adults with obesity will fill out questionnaires on self-efficacy, quality of life, and mood, and some will join focus groups. The goal is to see…

This study is testing whether giving elderly patients with a broken hip and high frailty a special nutritional drink before surgery can help them stay more stable during the operation and recover better. Researchers will compare patients who get the drink with those who follow st…

This study looks at how a six-month hybrid training program (combining cardio and strength exercises) affects muscle cells in 30 overweight or obese adults. Researchers will measure changes in mitochondria, blood vessels, and other muscle components. The goal is to understand the…

This study looks at why people with obesity often regain weight after losing it through a behavioral weight loss program. About 205 adults aged 25-59 will first lose at least 7% of their body weight, then be followed for a year to track how much weight they regain. The goal is to…

This study is tracking 10,000 adults with obesity to see how well integrated traditional Chinese medicine and Western medicine work in real-world settings. Researchers will collect health records, lab results, and lifestyle data to compare different treatment approaches. The goal…

This study surveys 150 women aged 18-64 who follow vegetarian or vegan diets to assess their nutritional quality and adequacy. Participants will receive personalized nutritional counseling based on blood tests and food diaries. The goal is to see if counseling can improve diet, b…

This study follows 40 women with severe obesity who are scheduled for weight loss surgery. Researchers will measure changes in sexual function, sex hormone levels, mood, and quality of life before surgery and 6 months after. Partners will also report on their own sexual health. T…

This study is testing whether giving monthly food vouchers to low-income households in the Philippines, along with nutrition classes, can reduce hunger and improve diet quality. About 5,320 families will be split into groups receiving different voucher amounts or no voucher. Rese…

This study gives 200 athletes either high-dose vitamin D3 (4,000 IU daily) or a placebo for 4 to 8 weeks. Researchers measure changes in vitamin D levels, hormones, muscle function, cognitive performance, and body composition. The goal is to see if extra vitamin D improves athlet…

This study looks at two ways of giving a standard liquid meal to measure how the body handles sugar. One method gives everyone the same number of calories, while the other adjusts the calories based on a person's size. Researchers want to find out which method gives more consiste…

This study tests a smartphone app designed to help adults taking GLP-1 medications for obesity or type 2 diabetes eat better. About 50 participants will use the app for 6 weeks to track their diet and learn about nutrition. The goal is to see if the app is helpful and easy to use…

This study follows 165 adults undergoing bariatric surgery to see if certain pre-surgery traits—like anxiety, depression, eating behaviors, and weight-related quality of life—can predict how their quality of life changes over the two years after surgery. Participants complete que…

This study will follow 1,000,000 adults aged 18 and older for the rest of their lives. Researchers will collect health measurements and track who develops diseases, becomes frail, or dies. The goal is to find which tests best predict how well people age, so doctors can one day of…

This study compares two ways of using a breathing machine during weight-loss surgery in 34 obese patients. One method controls the flow of air, the other controls the volume. Researchers want to see which method keeps the lungs and heart more stable during surgery. Participants w…

This study looks at how the body's innate immune system responds to certain environmental exposures by measuring inflammation markers in blood. Researchers will collect blood samples from up to 725 healthy volunteers aged 18-45 to analyze how specific genes and proteins react. Th…

This study looks at how changing the amount and type of food you eat affects the energy your body uses to digest and process that food. Healthy adults aged 18 to 60 will stay in a clinic for about 35 days, eating only provided meals and spending multiple 24-hour periods in a seal…

This study looks at whether overweight girls start puberty earlier than girls of normal weight. Researchers will use breast ultrasound and other tests to tell the difference between breast tissue and fatty tissue. The study involves 150 healthy girls ages 8-14 who have some breas…

This study compares two common anesthesia methods—intravenous drugs and inhaled gases—to see how they affect thinking skills after sleeve gastrectomy (weight-loss surgery). Researchers will measure how quickly patients wake up and follow commands, and test their memory and attent…

This study looks at how the body absorbs esomeprazole (a stomach acid reducer) when taken as a tablet or dissolved in water, in people who had gastric bypass surgery a year ago. Fifty participants will have a small device placed in their stomach pouch to measure acid levels, and …

This study follows 30 people aged 16–80 with obesity who are starting weight-loss medication. Researchers will track changes in hunger, fullness, cravings, and portion size using questionnaires and interviews at 0, 3, 12, and 18 months. The goal is to understand how eating behavi…

This study works with Black churches in Washington, D.C. to understand heart health risks like obesity, high blood pressure, and diabetes. About 200 adults will get a health exam, wear an activity monitor for a month, and answer health questions. The results will help design a fu…

This study is testing new magnetic resonance imaging (MRI) techniques to get clearer pictures of the heart and blood vessels without using radiation. Researchers will compare these new MRI methods to standard tests like angiography and CT scans. Up to 4,000 adults—including healt…

This study investigates how exercise affects the structure and function of fat tissue in adults aged 18-40 with obesity or metabolic syndrome. Participants are randomly assigned to either an exercise program or a sedentary control group. All undergo a 10% weight loss phase, then …

This study looks at whether giving more protein (over 1.2 grams per kilogram per day) to critically ill patients with acute kidney injury helps their kidneys recover faster or causes harm. Researchers will review medical records from 344 adults in five Argentine ICUs, comparing t…

This study tests whether starting with a low-carb diet and then switching to low-fat leads to more body fat loss than the opposite order. Over 8 weeks, 42 overweight adults will eat only provided meals and track their weight, activity, and glucose. Researchers want to see if diet…

This study is testing whether artificial intelligence can predict how individuals respond to different diets. Researchers will give 8,000 adults specific meal plans and measure their blood sugar, insulin, and other markers after eating. The goal is to develop algorithms that can …

This study is looking at whether GLP-1 receptor agonists—drugs used for type 2 diabetes and obesity—can also improve dry eye disease. Researchers will measure changes in tear stability and eye surface health in 100 patients who have not taken these drugs before. The goal is to un…

This study looks at why teens with obesity often regain weight after losing it. Researchers think hormones that control appetite might be involved. Over 35 weeks, 260 teens will follow a meal replacement plan and then be monitored for weight regain. The goal is to understand the …

This study looks at how certain immune cells, called meta-inflammatory monocytes, along with body composition and diet, may contribute to insulin resistance in adolescents. Researchers will collect blood samples and health information from 175 teens aged 14-18, including those wi…

This study follows 240 pregnant women and their babies to see if the mother's intake of certain nutrients (like choline, folate, and vitamin B12) during pregnancy is linked to the child's brain development up to age 2. Researchers will measure nutrients in the mother's blood and …

This study looks at how obesity impacts the physical abilities and daily activities of people over 65. Researchers will compare obese and normal-weight seniors using fitness tests and questionnaires. The goal is to understand how excess fat, combined with age-related muscle loss,…

This study aims to understand how the body defends its weight by measuring energy use and intake after a short fast. Twelve men and women who are either underweight or have obesity will fast for two days, then eat freely for two days in a special chamber. The results will help de…

This study is looking at what happens to muscle and bone when people lose weight using the drug tirzepatide. Researchers want to see if adding protein shakes and resistance exercise can protect muscle and bone. The study will enroll 50 adults with obesity and track changes over 6…

This study aims to understand how the hormone insulin controls blood sugar in different people. Researchers will test a new procedure called the graded insulin suppression test (GIST) in 15 healthy volunteers and those at higher risk for type 2 diabetes. Participants receive medi…

This study compares two common anesthetics—propofol and sevoflurane—in 70 obese patients undergoing back surgery. Researchers will measure inflammation markers in blood samples taken before and after surgery to see which anesthetic causes less immune system disruption. The goal i…

This study looks at how low vitamin D levels affect balance and the way muscles respond to movement. Researchers will compare adults with vitamin D deficiency to healthy adults using simple standing tests and muscle sensors. No treatments or blood draws are involved—just one sess…

This study tests whether an AI system that analyzes routine blood test results can help doctors detect iron deficiency more often. About 2,196 adults visiting outpatient clinics will take part, but no extra blood draws or procedures are needed—the AI simply adds a risk alert to t…

This study tests whether a cone-shaped blood pressure cuff placed on the forearm gives more accurate readings than the standard cuff on the upper arm in pregnant women. High blood pressure during pregnancy can lead to serious decisions like early delivery or C-section, so better …

This early-stage study looks at how the experimental drug BI 456906 attaches to receptors in the liver and pancreas that control appetite and weight. About 30 adults with obesity will receive either BI 456906 or the approved weight-loss drug semaglutide for 17 weeks. Researchers …

This study looks at whether a special type of high-intensity interval training can help overweight adults maintain healthy vitamin D levels during winter. Thirty participants will either exercise three times a week for 12 weeks or just follow a balanced diet. Researchers will mea…

This study is testing whether taking a sirtuin activator supplement every day for six months can improve how the body processes fats and sugars, and possibly slow cell aging. Researchers will compare the supplement to a placebo in 120 women aged 40-65 who are overweight or obese.…

This study looks at why some people lose muscle and strength after weight loss surgery, and why others regain weight. Researchers will track eating habits, grip strength, and body changes in 110 bariatric patients for a year. They will also study genes and metabolism to find fact…

This study looks at why fat tissue in the belly area doesn't respond normally in people with obesity. Researchers will measure how fat cells release fatty acids in different body areas. The goal is to understand the basic biology of fat tissue, not to test a treatment. 24 adults …

This study follows 1,000 people who had bariatric surgery 5 years ago to learn why some maintain significant weight loss while others do not. Researchers will track weight, type of surgery, and other factors to improve patient counseling and tailor surgical choices. The goal is t…

This study looks at how a supplement called nicotinamide riboside (NR) and a low-carb, high-fat 'ketogenic' diet affect the way the body burns fat and uses energy. Researchers will measure changes in metabolism in 100 overweight or obese adults. Participants will eat a standard d…

This study looks at 100 adults with severe obesity to see if the type of weight-loss surgery—sleeve gastrectomy or gastric bypass—changes binge eating, depression, and anxiety differently. Participants fill out questionnaires before surgery and for 12 months after. The goal is to…

This study looks at why some children are less affected by food advertising than others. Researchers will use brain scans and eating tests in 200 kids aged 7-9 to find traits that protect against overeating. The goal is to understand what makes certain children resilient to food-…

This study looks at two different training programs for doctors and health workers at community health centers. The goal is to see which training helps patients lose weight better and get more people to use weight management services. About 6,200 adults and youth on Medicaid will…

This study looks at what happens when people sleep only a few hours on weekdays but catch up on weekends. Researchers want to see if this pattern harms blood sugar, blood pressure, and body fat compared to getting enough sleep every night. The study involves 72 adults aged 18 to …

This study looks at genetic and chemical markers in fat tissue from 500 people with severe obesity who are having weight-loss surgery. Researchers collect a small amount of belly fat during the operation and take blood samples afterward. The goal is to understand why some patient…

This study looks at 50 adults having either sleeve gastrectomy or gastric bypass to see if routine stool tests can reveal differences in gut function after surgery. Participants provide stool and blood samples before and 6 months after their operation. Researchers will check for …

This study tracks 420 people to see how bariatric surgery affects drinking behavior using a special device called a drinkometer. It measures things like sip size and speed, and looks at how gut hormones and sex differences play a role. The goal is to better understand why surgery…

This study is testing whether a substance in the blood called 1,5-anhydroglucitol can serve as a marker for how well the pancreas is working in obese children, with or without type 2 diabetes. Researchers will measure levels of this marker in 50 children aged 12 to 16 and compare…

This observational study will follow 100 adults starting anti-obesity medications like semaglutide or tirzepatide. Researchers will track changes in body fat, lean muscle, bone density, handgrip strength, and nutrition over time. The goal is to understand the real-world effects o…

This study is recruiting 100 adults with obesity to find out what factors predict weight loss after taking weight-loss drugs or having bariatric surgery. Researchers will track participants over time, measuring things like eating behaviors, thinking skills, and biological markers…

This study looks at how eating more plant foods changes the bacteria in your gut and affects your heart health. Healthy adults aged 30 to 70 who eat few plants will get all their meals from the study team for four weeks. Researchers will measure gut bacteria, blood, and other hea…

This study looks at how losing weight changes the fat stored inside your muscles, called intermuscular adipose tissue (IMAT). Researchers want to see if weight loss reduces inflammation and improves how your muscles respond to insulin. Seventy adults with obesity will follow a 12…

This study looks at whether eating peanuts every day can improve bone health, metabolism, and physical function in overweight or obese adults aged 50-75 during a 6-month weight loss program. Participants will be randomly assigned to eat either a daily peanut snack or a nut-free s…

This study looks at whether giving extra nutrition through a feeding tube before surgery can lower the chance of complications in malnourished people with esophageal or stomach cancer. About 670 participants will be followed to compare those who get nutritional support with those…

This study aims to see if a short, interval fitness test (the IFT 30-15) can reliably measure heart and lung fitness in both healthy people and those with high blood pressure or obesity. Researchers will compare results from this test with a standard treadmill test and a six-minu…

This study is recruiting 8,000 young Chinese adults with obesity (BMI 30 or higher) to investigate how genes and clinical features contribute to obesity and metabolic syndrome. Researchers aim to better understand the underlying causes, which could eventually lead to improved tre…

This study looks at how growth hormone affects beta-cells, which make insulin, in people with a family history of type 2 diabetes. Researchers will compare 30 obese adults with and without a family history of diabetes. The goal is to better understand why some people develop diab…

This study looks at how semaglutide, a drug used for diabetes and weight loss, changes fat tissue around the kidneys, heart, and liver in people with type 2 diabetes and chronic kidney disease. Researchers will compare patients taking semaglutide to those not taking it. The goal …

This study looks at how time restricted eating (eating only during a 6-hour window each day) affects metabolism and immune function in healthy women aged 18-50 with different body sizes. Participants will stay in the clinic for 5 days, follow the eating schedule for 3 days, and u…

This study takes a small blood sample from women with severe anorexia and healthy women, then turns those cells into brain-like neurons in a dish. Researchers will test how these neurons respond to hunger and fullness hormones. The goal is to uncover cellular differences that mig…

This study collects data from 500 children with severe, early-onset obesity to find genetic causes. Researchers will track how many kids have genetic variants linked to obesity and monitor changes in their BMI over time. The goal is to better understand the role of genetics in se…

This study uses MRI scans to track where iron travels in the body after an intravenous iron infusion. Researchers will monitor 12 iron-deficient adults over hours, days, and weeks to see how iron is absorbed by organs like the heart, liver, and spleen. The goal is to better under…

This study looks at how growth hormone affects beta-cells, which make insulin to control blood sugar, in women who had gestational diabetes. Researchers will compare women with and without a history of gestational diabetes to better understand risk factors. The goal is to learn m…

This study looks at 240 adults aged 40-60 to see if being overweight or obese in midlife is linked to early signs of Alzheimer's in the brain. Participants will have metabolic tests and brain scans (MRI and PET) to measure inflammation, brain shrinkage, and protein buildup. The g…

This study is not testing a new drug or treatment. Instead, researchers want to make sure their lab tests and equipment give accurate and repeatable results when studying conditions like obesity, diabetes, heart disease, and bone loss. Up to 100 healthy volunteers and people with…

This study looks at two blood inflammation markers, SII and SIRI, to see if they can help predict metabolic problems like insulin resistance and fatty liver in people who are overweight or have obesity. Researchers will follow 200 adults for up to 3 years, tracking their diet, la…

This study looks at why some children become overweight or obese by examining their eating habits, brain activity, and family history. Researchers will measure how kids' brains respond to food and how well they control their eating. The goal is to find early clues that could lead…

This study uses advanced heart MRI to see how bariatric surgery and cardiac rehabilitation change the heart's structure and function. Researchers will scan 150 adults before and 6-12 months after these metabolic treatments. The goal is to understand how the heart adapts to these …

This study looks at whether the amount of lean (fat-free) body mass before surgery can predict how much weight people lose in the two years after Roux-en-Y gastric bypass. Researchers will follow 91 adults with severe obesity who are scheduled for the procedure, measuring body co…

This observational study looks at the bacteria in dental plaque of 170 people with obesity (BMI 30+) who are scheduled for bariatric surgery. Researchers want to see if the types and amounts of mouth bacteria differ between those with obesity (BMI 30-35) and those with morbid obe…

This study looks at how different sources of protein (animal vs. plant, and whole foods vs. protein powders) affect blood sugar control and insulin sensitivity in people with metabolic syndrome. Researchers will measure blood sugar levels over 24 hours and use a special test to s…

This study looks at how being overweight affects insulin sensitivity and heart-lung fitness in people with type 1 diabetes. Researchers will compare participants with and without diabetes, before and after a 15-week high-intensity interval training program. The goal is to underst…

This study looks at whether breathing a low-density helium-oxygen gas mixture can reduce breathlessness and improve exercise capacity in people with heart failure with preserved ejection fraction (HFpEF) and obesity. Researchers will measure how much oxygen the body uses during b…

This study collects blood and tissue samples from 270 severely obese patients during bariatric surgery to uncover new biological factors that lead to type 2 diabetes. Participants are grouped by their metabolic status: those with diabetes, insulin resistance, or normal insulin se…

This study looks at how obesity affects the heart and blood vessels, and how these change after bariatric surgery. Researchers will collect blood, urine, stool, and fat tissue samples from 85 adults before and after surgery. They aim to understand how fat tissue and gut bacteria …

This study tests whether offering a small cash payment to households can encourage more people to get screened for tuberculosis (TB) in rural Tanzania. Researchers will enroll 360 people recently diagnosed with TB and their families. Half will receive the usual care, and half wil…

This trial tests two types of opioid-free anesthesia in 70 people having weight-loss surgery. One method uses a gas called desflurane, the other uses intravenous drugs. Researchers will measure stress hormones in the blood to see which approach causes less stress on the body. The…

This study looks at how weight loss (using tirzepatide) and a biologic drug (ixekizumab) affect the body in people with psoriatic arthritis who are overweight or obese. About 45 adults will receive one or both treatments. Researchers will take samples of skin, joint tissue, and f…

This study looks at new guidelines for diagnosing and managing breath-holding spells in children under 5 in southern Sweden. Researchers want to see if the guidelines safely reduce the need for extra tests like ECGs and blood work. They will also check if iron supplements help le…

This early-phase study tests whether a natural odor, when inhaled, can be detected in the cerebrospinal fluid (the fluid around the brain and spine) within 30 minutes. 32 lean and obese adults who are already scheduled for a spinal tap will sniff either the odor or a placebo. The…

This study follows 2,500 adults aged 30-75 in Puerto Rico to track chronic diseases like heart disease, diabetes, and obesity. Researchers will collect data on diet, stress, and lifestyle over two years to identify trends and risk factors. The goal is to guide public health prior…

This study looks at how autistic people who also have anorexia nervosa differ in brain structure and behavior from autistic people without anorexia. Researchers want to understand if 'masking' (acting non-autistic to fit in) is linked to eating disorder symptoms and brain changes…

This study is looking at how the timing of meals, along with genetics, affects weight loss in a Mediterranean population. Researchers will track nearly 6,000 overweight adults to see if eating lunch later makes it harder to lose weight. The goal is to understand if when we eat is…

This study looks at how fasting insulin and insulin resistance differ based on age, sex, race/ethnicity, body weight, and PCOS diagnosis. Researchers will analyze data from 150 adults to find patterns that may explain why some groups face higher metabolic risks. The goal is to be…