Overweight

This study will evaluate the efficacy and safety of orforglipron in participants with overweight and assess whether it helps reduce the future risk of obesity-related conditions, including type 2 diabetes, hypertension, and dyslipidemia, and progression to class 1 obesity.

The purpose of this study is to assess the efficacy and safety of enicepatide, a dual glucagon-like peptide-1 (GLP-1)/glucose-dependent insulinotropic polypeptide (GIP) receptor agonist (RA) being developed for chronic weight management, as an adjunct to a reduced-calorie diet and increased physical activity in participants without Type 2 diabetes mellitus (T2DM) who have obesity or overweight with at least one weight-related comorbidity, and in participants with T2DM who have obesity or overweight.

The main purpose of this study, performed under the master protocol W8M-MC-CWMM (NCT06143956), is to examine the body weight-lowering efficacy and safety of macupatide plus eloralintide compared with placebo in participants with obesity or overweight and without type 2 diabetes. Participation will last about 64 weeks.

The purpose of the studies is to evaluate the efficacy and safety of eloralintide in participants with moderate-to-severe obstructive sleep apnea and obesity or overweight. YDAO is a master protocol designed to support two independent studies: YSA1 and YSA2. Study YSA1 will include participants who are unable or unwilling to use Positive Airway Pressure (PAP) therapy and study YSA2 will include participants who are on PAP therapy for at least 3 months at time of screening and plan to continue PAP therapy during the study. Participants will be assigned to the Intervention-Specific Appendix (ISA) that reflects their current PAP usage. Participation in the study will last about 76 weeks.

The main purpose of this study is to evaluate the efficacy and safety of eloralintide compared with placebo for body weight reduction in participants with overweight or obesity and type 2 diabetes. Participation in the study will last about 75 weeks.

The primary objective of this trial is to demonstrate that maridebart cafraglutide is superior to placebo when given as an adjunct to standard of care with respect to reducing cardiovascular (CV) morbidity and mortality.

Background: Artificial sweeteners like sucralose are found in many foods and drinks. Sucralose might affect hormones and cause health changes. Objective: To see if sucralose changes how medicines are absorbed and processed, how hormones are secreted, gut bacteria, and how fat cells are metabolized. Eligibility: People ages 18-60 who: * Are black or Hispanic * Weigh more than 110 pounds * Have a body mass index of 25-40 * Do not have a condition that requires drug treatment Design: Participants will be screened with: * Medical history * Physical exam * Blood, heart, and urine tests Participants must not eat or drink anything with artificial sweeteners throughout the study. Over 7 days, Participants will answer questions, and give daily urine samples and 1 stool sample. Participants will repeat these throughout the study. Overnight Visit 1: participants will fast starting the night before. They will get breakfast at the visit. The visit includes: * An IV will be placed in the arm. Participants will get 2 tablets of medicines. Blood will be drawn several times over 24 hours. * A piece of fat tissue may be taken from the abdomen (biopsy). * Participants will have a sweet drink. Blood samples will be taken over 2 hours. Then participants will be randomly assigned to take either a sucralose capsule or placebo. They will take it twice a day for 2 weeks. They will complete two 24-hour food diaries. Overnight Visit 2 repeats Visit 1 except the biopsy. Then participants will take the capsules for another 2 weeks. Overnight Visit 3 repeats Visit 1. Participants may be contacted by phone within 4 weeks after they finish....

The purpose of this clinical study is to test how taking zenagamtide tablets with different meal/water variations affects how much zenagamtide enters the bloodstream in people who have overweight or obesity. All participants will get zenagamtide.

Obesity is a condition where a person has excessive body fat, defined by a body mass index (BMI) of 30 kg/m2 or higher. The goal of this study is to evaluate the effect of various doses of ABBV-295 compared to placebo on reducing body weight at Week 32 in participants with obesity or overweight with weight-related comorbidities. ABBV-295 is an investigational long-acting amylin analog being developed for chronic weight management. Participants are placed into multiple treatment groups with different dosing paradigms of ABBV-295 or placebo. Participants will not know which treatment they are receiving, and there is a chance of being assigned to placebo. Adults with obesity or overweight (as defined by BMI) with weight-related comorbidities will be enrolled. Approximately 360 participants will be enrolled in the study at approximately 70 sites in the United States and Puerto Rico. Participants will receive subcutaneous (SC) injections of ABBV-295 solution for injection or matching placebo administered via pre-filled syringes for 52 weeks during the Double-Blind Period. There may be higher treatment burden for participants in this trial compared to their standard of care due to study procedures. Participants will attend regular visits during the study at a hospital or clinic. The effects of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.

This study is being done to look at the efficacy and safety of NNC0487-0111 in participants with overweight or obesity, and obstructive sleep apnoea treated with positive airway pressure. There are 2 study treatments in this study taken as injections under the skin once a week. Participants will either get NNC0487-0111, (the treatment being tested) or Placebo (a treatment that has no active medicine in it) and which treatment participants get is decided by chance.

The purpose of this pediatric, chronic weight management, Phase 3 Master Protocol (PWMP) is to create a framework to evaluate the safety and efficacy of pharmacologic agents for the treatment of obesity or overweight in pediatric participants.

The purpose of this Phase-2 chronic weight management master protocol (CWMM) is to create a framework to evaluate the safety and efficacy of various investigational interventions for chronic weight management with intervention-specific appendices (ISAs). The CWMM establishes entry criteria for newly enrolled participants across the master and the ISAs. The ISAs may start independently of other ISAs as interventions become available for clinical testing. The results for the CWMM screening record will be reported when all the ISA's complete.

The purpose of this clinical study is to find out which zenagamtide dose can be switched to, from maintenance dose of tirzepatide in people with overweight or obesity, with or without type 2 diabetes (T2D). All participants will get tirzepatide and zenagamtide.

The main purpose of this study is to assess how well LY4329090 is tolerated and what side effects may occur in healthy participants with obesity or overweight. Blood tests will be performed to investigate how the body processes the study drug and how the study drug affects the body. Study participants will be in one of 2 parts. For each participant in Part A, the study will last about 10 weeks and will include a stay in the Clinical Research Unit (CRU) lasting 5 nights along with 5 outpatient visits to the CRU. For each participant in Part B, the study will last about 21 weeks and will include 4 stays totaling 11 nights along with 14 outpatient visits to the CRU.

The main purpose of this study is to evaluate how eloralintide (LY3841136) effects the way the body processes oral contraceptive in female participants with obesity or overweight. For each participant, the study will last about 8 months and will include 3 stays in the Clinical Research Unit (CRU), each lasting between 6 - 8 nights.

Background: In a previous study, participants were lived at the NIH and randomly received either a low-fat or a low-carbohydrate diet for 2 weeks and then switched to the other diet for 2 more weeks. Participants who received the low-carbohydrate diet first lost more body fat at the end of the study than those who received the low-fat diet first. Researchers want to see if they can repeat that result in a longer weight loss study when participants live at home. Objective: To test the effects of diet order in people receiving either a low-fat or low-carbohydrate diet first for 4 weeks and then immediately switched to the other diet for another 4 weeks. Eligibility: Adults aged 19 to 50 years with a body mass index of 25 or more. Design: Participants will complete the study at their homes, but there will be 3 required visits to the NIH. Participants will drink a special type of water 2 weeks before the baseline NIH visit and collect urine samples at home to measure how many calories they burn. Before the diets begin, participants will visit the NIH for baseline testing when they will have a metabolism test while relaxing in a bed with a plastic hood over their head to collect the air they breathe out. They will have scans to measure their bone density and how much muscle and body fat they have. They will give stool, blood, and urine samples. Participants will be asked to eat a specific diet for 4 weeks followed by a different diet for 4 weeks. All meals will be delivered to the participants' homes. They will eat only the foods delivered. Participants will weigh themselves daily. They will wear a monitor to track their physical activity and a sensor to measure their glucose levels. They will prick their finger each morning to test a drop of blood for ketones. Participants will meet virtually as a group with the study team weekly. Participants will have two more NIH visits towards the end of each diet period....

The primary objective of this trial is to evaluate the long-term efficacy, safety, and tolerability of maridebart cafraglutide in participants with obesity or overweight. Trial 20250197 is an extension of trial 20210181 (NCT06858839).

The primary objective of this trial is to evaluate the long-term efficacy, safety, and tolerability of maridebart cafraglutide in participants with obesity and type 2 diabetes mellitus. Trial 20210182 is extension of trial 20210184 (NCT06858878).

The primary objective of the study is to estimate the PK parameters of ribupatide in participants with severe renal impairment or end-stage kidney disease (ESKD) after a single dose of ribupatide subcutaneous (SC) injection compared with participants with normal renal function.

The purpose of this study is to evaluate the efficacy and safety of elecoglipron compared with placebo adjunct to diet and exercise for weight management, in adult participants living with obesity or overweight with or without T2DM.

evaluation of the EndoZip system procedure compared to the Apollo ESG procedure in obese patients.

The purpose of this clinical study is to find out if NNC0487-0111 is safe and effective for treating people who have excess body weight and type 2 diabetes. There are 2 study treatments in this study taken as injections under the skin once a week. Participants will either get NNC0487-0111 (the treatment being tested) or Placebo (treatment that has no active medicine in it). Which treatment participants get is decided by chance.

The purpose of this clinical study is to find out which zenagamtide dose can be switched to, from maintenance dose of semaglutide in people with overweight or obesity, with or without type 2 diabetes (T2D). All participants will get semaglutide and zenagamtide.

The purpose of this clinical study is to evaluate how NNC0487-0111 affects the amount of energy the body uses in people living with obesity or overweight following weight loss. This will be compared with the amount of energy used by participants who achieve weight loss through a low-calorie diet and by participants receiving placebo (without weight loss).

This study will look at how well CagriSema and cagrilintide help children and adolescents with excess body weight lose weight. The study has 2 parts: main and extension study. In the main study, participants will either get CagriSema (a new study drug), cagrilintide (a new study drug), semaglutide (a drug that doctors can already prescribe to adolescents and adults) or placebo (a placebo looks like the treatment being tested, but doesn't have any active ingredients in it). Which treatment participants will get is decided by chance. Participants who get semaglutide in the main study will not take part in the extension study. If participants take part in the extension study, they will get either CagriSema or cagrilintide in this part of the study. Like all drugs, the study drugs may have side effects. The total time participants will be in the main study is about 1 year and 6 months. If participants take part in the extension study, the total time is about 4 years and 10 months.