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Намерени 238 изпитвания за "Diabetes" Стр. 1 от 12

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Intermittent Fasting to Improve Insulin Secretion

PreDiabetes Diabetes type2 Intermittent Fasting Insulin Secretion

Type 2 diabetes (T2D) mellitus is a challenge for health care systems as the numbers increases constantly. In 2014, 422 million people had been living with diabetes worldwide. The absolute numbers of people with prediabetes have also grown substantially over 25 years worldwide. In Germany, about 10% of the population has T2D and another 21 % of the population has prediabetes.Overall, 16% of all deaths in Germany are attributable to type 2 diabetes. Macro- and microvascular complications of diabetes imply a significant threat for the patients and are already present in the prediabetic state. Short term and long term complications, the burden of treatment, and reduced quality of life are major burdens of the disease. Accumulating data indicate that currently recommended therapeutic diet regimens in patients with obesity and diabetes are not sustainable on the long term. Novel concepts are therefore urgently needed. T2D occurs when insulin secretion from pancreatic beta-cells cannot sufficiently be increased to compensate for insulin resistance. Causes of beta-cell dysfunction are heterogeneous. In addition, the most important determinants of diabetes remission are the extend of weight loss and restoration of beta-cell function. In the course of diabetes progression, the inability to recover insulin secretion might identify the state of no return to normal glucose tolerance. It is therefore crucial to improve insulin secretion in treatment and prevention of diabetes. Up to now lifestyle intervention trials in prediabetes or pharmacological intervention trials in diabetes did not show improvement of insulin secretion after intervention. However, one recent small human trial shows that intermittent fasting (early time restricted fasting) is able to improve insulin secretion.Currently, there are no trials that examine the effect of intermittent fasting in individuals with a broad range of impaired glucose metabolism (from prediabetes to diabetes). Recently novel subtypes of diabetes and prediabetes with high risk for the early manifestation of diabetes complications have been identified. Currently, prevention strategies for this high risk individuals have not been examined yet. We will study for the first time the effectiveness of 4 weeks intermittent fasting on changes in insulin secretion capacity in subphenotypes of diabetes and in prediabetes.

Начало: 08.04.2021 Край: 01.03.2027 Възраст: 18–70 г.

Germany University Hospital Tuebingen NCT04607096

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TrialNet Pathway to Prevention of T1D

Diabetes Mellitus, Type 1

Rationale: The accrual of data from the laboratory and from epidemiologic and prevention trials has improved the understanding of the etiology and pathogenesis of type 1 diabetes mellitus (T1DM). Genetic and immunologic factors play a key role in the development of T1DM, and characterization of the early metabolic abnormalities in T1DM is steadily increasing. However, information regarding the natural history of T1DM remains incomplete. The TrialNet Natural History Study of the Development of T1DM (Pathway to Prevention Study) has been designed to clarify this picture, and in so doing, will contribute to the development and implementation of studies aimed at prevention of and early treatment in T1DM. Purpose: TrialNet is an international network dedicated to the study, prevention, and early treatment of type 1 diabetes. TrialNet sites are located throughout the United States, Canada, Finland, United Kingdom, Italy, Germany, Sweden, Australia, and New Zealand. TrialNet is dedicated to testing new approaches to the prevention of and early intervention for type 1 diabetes. The goal of the TrialNet Natural History Study of the Development of Type 1 Diabetes is to enhance our understanding of the demographic, immunologic, and metabolic characteristics of individuals at risk for developing type 1 diabetes. The Natural History Study will screen relatives of people with type 1 diabetes to identify those at risk for developing the disease. Relatives of people with type 1 diabetes have about a 5% percent chance of being positive for the antibodies associated with diabetes. TrialNet will identify adults and children at risk for developing diabetes by testing for the presence of these antibodies in the blood. A positive antibody test is an early indication that damage to insulin-secreting cells may have begun. If this test is positive, additional testing will be offered to determine the likelihood that a person may develop diabetes. Individuals with antibodies will be offered the opportunity for further testing to determine their risk of developing diabetes over the next 5 years and to receive close monitoring for the development of diabetes.

Начало: 01.02.2004 Край: 31.07.2030 Възраст: 2–45 г.

Australia, Canada, Finland +3 University of South Florida NCT00097292

Набира участници Фаза 2

HP-211 Safety and Proof of Concept Dose Ranging Study in Patients With Type 2 Diabetes

Type 2 Diabetes

Blood sugar levels are controlled by insulin, a hormone made by cells in the pancreas. After a meal, carbohydrates are broken down into glucose which is absorbed from the intestine into the blood leading to a rise in glucose (blood sugar) which triggers the secretion of insulin. Insulin binds to cells in several tissues including liver, muscle, and fat, triggering cells to take up glucose and bring the blood glucose level back to normal. A high blood sugar level is known as diabetes. The most common form of diabetes, type 2 diabetes, is caused by insulin resistance; that is, a reduced ability of insulin to stimulate glucose uptake into cells. The body compensates for insulin resistance by making more insulin; type 2 diabetes occurs when the pancreas can no longer make enough insulin to control blood glucose. The high blood glucose and insulin levels lead to long-term complications such as heart attacks, kidney failure, reduced sensation and poor circulation in the feet and legs. High insulin levels also increase the incidence of cancers, stroke, and dementia. Reducing blood glucose levels with oral medications and insulin reduces risk of diabetic complications. There are several types of oral medications available for treating diabetes; however, they do not always control blood glucose adequately. In addition, these drugs have complications and are not used to treat insulin resistance and prediabetes - a condition when blood glucose is higher than normal but not high enough to be classified as diabetes. Prediabetes often progresses to diabetes over a period of months or years. Effective and safe treatments for insulin resistance may prevent the onset of diabetes or even reverse diabetes if diagnosed in its early stages before substantial damage to the pancreas has occurred. HP-211 is a botanical extract whose active ingredients are derived from herbs and vegetables present in normal diets. HP-211 has been shown in laboratory studies in cell culture, in animal studies, and in a previous Phase 1 study to enhance the ability of insulin to stimulate glucose uptake into cells. Thus, HP-211 may reduce the blood glucose and circulating insulin levels of subjects with type 2 diabetes after a meal. HP-211 may also reduce glucose and insulin responses to a greater extent in insulin-resistant as compared to insulin-sensitive subjects. Subjects will take 0, 1, 2 or 3 tablets of HP-211 in the morning and evening for 90 days. Hemoglobin A1c (HbA1c, or "A1c"), a measure of the average amount of glucose present in the blood, will be measured during the trial period.

Начало: 03.02.2023 Край: 01.10.2026 Възраст: от 18 г.

United States Housey Healthcare ULC NCT07546929

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Optimization and Evaluation of the Diagnosis and Treatment System for Diabetic Retinopathy in Type 2 Diabetes Mellitus

Diabetes Diabetic Retinopathy Type 2 Diabetes Mellitus (T2DM)

This study aims to integrate clinical indicators and features of fundus images, combined with metabolomics, to construct an early warning model for diabetic retinopathy (DR) in type 2 diabetes. By combining clinical indicators with metabolomics, the investigators aim to establish a precise DR typing model based on the age of diabetes onset (early-onset diabetes, late-onset diabetes) and based on the coexistence with two types of diabetic macrovascular complications. A multidisciplinary collaboration will be conducted for comprehensive management of DR to control the progression of moderate-stage DR. Cloud-based patient rooms combined with continuous glucose monitoring (CGM) will further explore the role of integrated diabetes retinopathy ward management models in the management of patients undergoing diabetes retinopathy surgery, pioneering a new model for the management of advanced DR.

Начало: 01.02.2025 Край: 31.07.2028 Възраст: 20–79 г.

China Yufan Wang NCT06821399

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Impact of Screening and Multicomponent Exercise on Fall Rates, Fractures, and Cardiovascular Health in Diabetes

Type 2 Diabetes Osteoporosis Diabetic Neuropathies Fall Prevention +1

The DIACTIVE study is a randomized controlled trial with a 5- year follow-up designed to evaluate the impact of comprehensive screening and multicomponent interventions on fall prevention, bone health, nerve function and cardiovascular outcomes in people with diabetes aged 65 years and older on the short and longer term. Diabetes significantly increases risks of falls, fractures, and cardiovascular disease, yet these areas remain underexplored in clinical research. This trial addresses these gaps with a novel, multidimensional approach. Participants undergo extensive baseline assessments, including fall risk stratification, bone mineral density measurements via DXA scans, neuropathy evaluations, and cardiovascular profiling. Based on these evaluations, participants are allocated to risk-based intervention arms. The study's centerpiece is the RYMA and ADL exercise program, a tailored cognitive-motor training regimen integrating strength, balance, and executive function exercises with music-based coordination tasks. Pharmacological treatments for osteoporosis and optimization of cardiovascular risk profiles (e.g., SGLT2 inhibitors, GLP-1 agonists) are also incorporated. Primary outcomes focus on reducing fall rates by at least 30%, improving bone density, mitigating fracture risks, enhancing nerve function, and lowering cardiovascular event rates. Secondary endpoints explore mechanisms underlying fall reduction, quality of life improvements, and adherence to interventions. Advanced methodologies such as gait analysis, seismocardiography, and magnetic resonance imaging (MRI) provide detailed insights into the intervention's effects. Follow-ups at 26 weeks, 52 weeks, 2 years, and 5 years ensure long-term efficacy evaluation. This trial is conducted at Steno Diabetes Center North and involves interdisciplinary collaboration. By addressing key complications of diabetes through integrated care, the study aims to improve patient outcomes and inform future healthcare strategies for older people with diabetes.

Начало: 01.10.2025 Край: 31.12.2027 Възраст: от 65 г.

Denmark Aalborg University Hospital NCT06745544

Набира участници Фаза 4

Tirzepatide Use in People With Obesity and Type 1 Diabetes

Type1diabetes Obesity

Tirzepatide, a gut hormone-based medication, has shown promising results in treating obesity, with \~22% weight loss and mild side effects. However, patients with type 2 diabetes typically experience only about 15% weight loss with tirzepatide, despite tolerating the medication well. Its effects in people with both obesity and type 1 diabetes remain largely unknown. Although tirzepatide is not approved for glycemic control in type 1 diabetes, it is licensed for obesity treatment in Gulf and Europe. In Kuwait, more than a quarter of people with type 1 diabetes also have obesity, presenting a unique opportunity to study tirzepatide's impact. This randomized, double-blind controlled trial will evaluate the safety and efficacy of tirzepatide in patients with type 1 diabetes and obesity, comparing usual care with the maximum tolerable dose of tirzepatide to assess its impact on weight loss. The findings may help address important safety concerns and have the potential to inform and influence future clinical practice.

Начало: 31.07.2025 Край: 01.08.2028 Възраст: от 21 г.

Kuwait Dasman Diabetes Institute NCT07096908

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Closed-loop in Adults With Type 2 Diabetes

Type 2 Diabetes Treated With Insulin

The main objective of this study is to determine the efficacy, safety and utility of fully closed-loop glucose control in the home setting in adults with type 2 diabetes (T2D). This study builds on previous and on-going studies of closed-loop systems that have been performed in Cambridge in adults with type 2 diabetes in the inpatient and in the home setting and in children and adults with type 1 diabetes. This is an open-label, multi-national, multi-centre, randomised, single-period parallel study, involving a run-in period followed by a 26-week intervention period during which glucose levels will be controlled either by a fully closed-loop system or by participants usual insulin therapy with continuous glucose monitoring. A total of up to 224 adults with type 2 diabetes using insulin will be recruited through outpatient diabetes clinics, primary care centres, social media advertising and other established methods at participating centres. Participants will receive appropriate training in the safe use of the study devices. The primary outcome is the between group difference in HbA1c at 26 weeks. Other key outcomes include the time spent with glucose levels within, above and below the target glucose range (3.9-10.0mmol/L) and mean sensor glucose as recorded by CGM over the 26 weeks. Insulin requirements, body weight, renal and liver function will also be compared. Safety evaluation comprises severe hypoglycaemic episodes, and other adverse and serious adverse events. Human factors outcomes include CGM \& closed-loop usage, questionnaires and semi-structured interviews.

Начало: 06.12.2024 Край: 01.07.2027 Възраст: от 18 г. Лечение

Australia, Czechia, France +2 University of Cambridge NCT06579404

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Genetics of Type 2 Diabetes in West Africans

Hypertension Diabetes

Background: * Type 2 diabetes (T2D) and associated complications are major contributors to the global disease burden. T2D is already a major health threat in populations in developed countries and is rapidly taking hold in the developing world. * It is believed that understanding the complex interplay between genetic and lifestyle characteristics in the etiology of T2D and related complications will lead to the development of better preventive and therapeutic strategies. In Addition, the results of this project will facilitate our understanding of causes of diabetes in African Americans, other US and world populations Objectives: * To conduct a genome-wide association study (GWAS) to identify susceptibility genetic variants for diabetes among the Yoruba people in Ibadan, Nigeria. * To enroll and examine 300 unrelated cases of T2D and 300 ethnicity-matched Yoruba controls. * To conduct resequencing of positional candidate gene/loci to identify likely functional variants in a subset of the cohort. * To conduct replication studies of the top-100 scoring variants in three independent African and European ancestry samples. * To investigate whether diabetes-associated variants discovered in European populations increase diabetes risk in West Africans. Eligibility: * Patients 18 years of age with confirmed T2D who are newly diagnosed or on treatment of Yoruba ethnicity in Ibadan, Nigeria. Control subjects are nondiabetics ethnically matched to patients. Design: * The study design for both patients and controls consists of the following steps: * Discuss informed consent process and obtain signed informed consent form. Informed consent will be administered by trained clinic staff. * Assign study ID (barcode) * Administer questionnaires * Obtain spot urine sample * Measure blood pressure * Obtain anthropometric measurements including body composition * Perform finger prick for blood glucose level * Obtain venous blood samples * Perform eye examination * On the following day, perform confirmatory blood glucose for the small subset of participants requiring confirmation of previous test result DNA extraction of stored samples will be done at either the National Institutes of Health or the laboratory in Nigeria. * GWAS will be conducted using publicly available software packages.

Начало: 03.02.2009 Възраст: 18–120 г.

Ghana, Nigeria National Human Genome Research Institute (NHGRI) NCT00837122

Набира участници Фаза 4

Normal-weight Diabetes: Adipocyte-directed Therapy With Pioglitazone or Tirzepatide

Diabetes Mellitus, Type 2 Diabetes Type 2 Diabetes Pre Diabetes

This study is to investigate how adipocyte (fat cell) function and fat distribution differ between individuals with normal-weight type 2 diabetes (NWD), those with overweight type 2 diabetes (OWD), and normal-weight controls without diabetes (NWC). The study will assess whether adipocyte-directed therapies, specifically pioglitazone and tirzepatide, can improve insulin resistance, adipocyte function, and fat distribution in individuals with NWD. By analyzing the biological mechanisms underlying adipocyte dysfunction, the study aims to provide insights into novel treatment strategies for improving metabolic health in normal-weight individuals with type 2 diabetes.

Начало: 13.01.2025 Край: 15.12.2027 Възраст: 30–70 г.

United States Stanford University NCT06657209

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Type 1 Diabetes Virtual Self-management Education and Support

type1diabetes

OVERVIEW: People living with type 1 diabetes (T1D) are expected to fit self-management and regular clinical consultations into busy lives. T1D self-management programs that offer frequent contact with care teams are most effective in helping patients achieve optimal glycemic control. However, this is difficult to deliver in the context of current T1D care which involves time-consuming in-person visits during working hours. The proposed study will test a virtual health care intervention to deliver "high frequency, low touch" care aimed at improving metabolic control, while reducing the burden on individuals and their healthcare teams. STUDY DESIGN: A pragmatic multicenter, open-label, randomized trial to evaluate the short-term effectiveness of a multifaceted virtual health care intervention in improving glycemic control in individuals with T1D. Planned recruitment is 580 participants from 10 specialized T1D centres in Ontario. INTERVENTION: Our intervention will include 1) frequent, brief virtual visits between patients with T1D and certified diabetes educators (conducted in real time using a secure telemedicine video interface accessible from any PC, tablet or smart phone) combined with automatic appointment reminders, and 2) a centralized web-based platform to provide educational classes, tools, and resources for diabetes self-management. Virtual visits will be an adjunct to routine in-clinic visits for blood pressure monitoring, foot checks, and surveillance for other complications of diabetes. This approach aims to enable patients to receive more education and support than is feasible in traditional health care models, and in a way that is more seamless (i.e. results in fewer disruptions to their daily life) and tailored to their individual needs based on their stage in life.

Начало: 10.05.2023 Край: 31.03.2027 Възраст: от 18 г.

Canada Unity Health Toronto NCT05756829

Набира участници Фаза 2/3

Open-Label Study of Dimethyl Fumarate in Adults With Type 1 Diabetes

Type 1 Diabetes Mellitus

This is a non-randomized, parallel-controlled, single-center, open-label clinical trial designed to evaluate the efficacy of dimethyl fumarate in preserving pancreatic beta-cell function in adults with type 1 diabetes, as well as its safety and tolerability in this population. Eligible participants are adults aged 18 to 65 years who meet the ADA 2024 diagnostic criteria for type 1 diabetes, have at least 2 positive islet autoantibodies, and have residual beta-cell function as evidenced by a random C-peptide level of at least 200 pmol/L. A total of 96 participants are planned for enrollment, including 32 in the dimethyl fumarate treatment group and 64 in the standard-treatment control group. Participants in the treatment group will receive dimethyl fumarate enteric-coated capsules in addition to standard insulin therapy for type 1 diabetes. Dimethyl fumarate will be initiated at 120 mg twice daily and increased after 7 days to a maintenance dose of 240 mg twice daily. Participants in the control group will receive standard insulin therapy alone. The intervention period will be 24 weeks, followed by 52 weeks of follow-up. The primary efficacy endpoint is the baseline-adjusted geometric mean area under the serum C-peptide curve during a 2-hour mixed-meal tolerance test at Week 24. Secondary endpoints include measures of beta-cell function at multiple time points, changes in glycated hemoglobin, proportions of participants with good or poor glycemic control, insulin dose requirements, and immunologic markers including lymphocyte subsets, cytokine profiles, and islet autoantibody characteristics. Safety assessments will include the incidence of flushing, gastrointestinal adverse events, allergic reactions, opportunistic infections, liver function abnormalities, lymphopenia, renal abnormalities, hypoglycemia, severe hypoglycemia, ketosis, and ketoacidosis. The total study duration is 36 months, from January 2026 to December 2028.

Начало: 27.04.2026 Край: 31.12.2028 Възраст: 18–65 г.

China Nanjing Medical University NCT07548996

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Poi for Mama: a Pilot to Improve Maternal Microbiome and Gestational Diabetes Risk

Gestational Diabetes Mellitus (GDM) Pregnancy

This investigator-initiated, non-randomized pilot study evaluates the effect of daily consumption of fermented poi on the maternal microbiome and gestational diabetes risk during pregnancy. Fifty pregnant participants between approximately 12 and 24 weeks of gestation will receive one pound of poi daily for four weeks, accompanied by culturally tailored nutrition education delivered via secure text messaging. Changes in vaginal, oral, and rectal microbiome composition, diet quality, gestational diabetes diagnosis, and pregnancy-related outcomes will be assessed and compared with matched controls derived from an existing cohort. This study aims to inform the feasibility and design of a larger culturally grounded dietary intervention for gestational diabetes prevention.

Начало: 16.04.2026 Край: 31.01.2027 Възраст: от 18 г.

United States University of Hawaii NCT07446205

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CGM-Enhanced DPP to Prevent Type 2 Diabetes in Adults With Prediabetes

PreDiabetes

Prediabetes affects over one-third of adults in the United States, placing them at a higher risk for developing type 2 diabetes and heart disease, which can lead to serious health complications and increased medical costs. Although a program called the Diabetes Prevention Program (DPP) has been shown to lower the risk of diabetes through healthy lifestyle changes, many people find it difficult to stick with these changes over the long term. This study seeks to find out if combining DPP coaching with continuous glucose monitoring (CGM) technology can help people stay on track with their health goals.

Начало: 13.04.2026 Край: 01.03.2028 Възраст: от 18 г.

United States State University of New York at Buffalo NCT07140848

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GATEWAY: Safety Evaluation of the MiniMed™ NMX8-AID System in Children and Adults Living With Diabetes

Type 1 Diabetes Mellitus Type 2 Diabetes Mellitus

The purpose of this study is to check that a new insulin pump, called NMX8, is safe when used with a continuous glucose monitoring sensor called Disposable Sensor 5 in people with diabetes. The study will include people with Type 1 diabetes who are 7-85 years old and people with Type 2 diabetes who are 18-85 years old. Patients will use their current therapy while also wearing the DS5 for up to 40 days. During this time, they will complete a meal and exercise log. Patients will then be put into one of three groups by a computer by chance and given the NMX8 pump to use for 90 days. During this time, patients will either bolus or not bolus for meals and continue to complete a meal and exercise log depending on the group they are in. Once their part in the study is over, if patients like the pump and want to keep using it, they may be able to join a Continued Access Period to keep using the NMX8 pump.

Начало: 02.02.2026 Край: 01.12.2026 Възраст: 7–85 г. Друго

Australia, New Zealand, United States Medtronic MiniMed, Inc. NCT07228117

Набира участници Фаза 4

Exenatide Pharmacokinetics and Pharmacodynamics in Gestational Diabetes

Gestational Diabetes

This study is being done to study how exenatide, an FDA-approved drug that lowers blood sugar in non-pregnant patients with type II diabetes, works in pregnant women. To do this, the investigators will study the drug's pharmacokinetics (what the body does to the drug; specifically, how quickly your body breaks down and excretes exenatide) and pharmacodynamics (what the drug does to the body; specifically, how effectively exenatide helps the participants' pancreas secrete insulin and how well it controls blood sugar after a meal). There are only two main drug therapies (insulin injections and glyburide pills) currently used for gestational diabetes and not all women achieve good enough blood sugar control without side effects. Therefore, the investigators hope to find out if exenatide might also be helpful in gestational diabetes.

Начало: 12.04.2023 Край: 31.12.2026 Възраст: 18–50 г.

United States Maisa N. Feghali, MD NCT05482789

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Genetic Studies of Insulin and Diabetes

Diabetes Mellitus Severe Insulin Resistance

The study will allow researchers to obtain blood, plasma, DNA, and RNA for genetic studies of insulin. There will be a focus on the causes of insulin resistance and diabetes mellitus. Insulin is a hormone found in the body that controls the level of sugar in the blood. Insulin resistance refers to conditions like diabetes when insulin does not work properly. In this study researchers would like to compare patients with diabetes and other forms of insulin resistance to normal individuals. The study will investigate how insulin attaches to cells. Researchers will take 4 to 6 ounces (100-150 ml) of blood from adult patients and may request up to 12 ounces (one unit) of blood if necessary. Skin samples may be taken for a biopsy if further genetic testing is necessary. In addition some patients may be asked not to eat for up to 72 hours prior to testing.

Начало: 01.02.1976 Възраст: 6–120 г.

United States National Institute of Diabetes and Digestive and Kidney NCT00001987

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Milk for Diabetes Prevention

Lactose Intolerance Lactose Intolerant Lactase Persistence Pre-Diabetes +1

Individuals with lactase non-persistence (LNP; determined by a functional variant in the LCT gene \[rs4988235, GG genotype\]) are susceptible to lactose intolerance in adulthood due to deficiency of lactase, the enzyme which digests milk lactose sugars. However, many LNP individuals still drink ≥1 cup of milk daily. Recent analysis in the Hispanic Community Health Study/Study of Latinos (HCHS/SOL) found that consumption of 1 serving (cup) of milk/day was associated with \~30% lower risk of type 2 diabetes among LNP individuals, but not among individuals with lactase persistence (LP). This beneficial effect might be partially explained by favorable alterations in gut microbiota and related metabolites associated with higher milk consumption among LNP individuals. Based on these observational study findings, the investigator team proposes to conduct a randomized, controlled trial of lactose-containing vs. lactose-free milk in LNP individuals with pre-diabetes, to comprehensively investigate the effects of milk intake on the gut microbiome and glycemic outcomes.

Начало: 01.04.2026 Край: 01.04.2028 Възраст: 18–70 г.

United States Albert Einstein College of Medicine NCT06513026

Набира участници Фаза 4

A Study of Tirzepatide (LY3298176) in Adult Participants in India With Either Type 2 Diabetes Mellitus or Obesity

Diabetes Mellitus, Type 2 Obesity Overweight

The main purpose of this study is to measure the safety and efficacy of tirzepatide in adult participants in India who have type 2 diabetes or who have obesity or overweight without type 2 diabetes. Participation in the study will last about 46 weeks.

Начало: 27.02.2026 Край: 01.10.2027 Възраст: от 18 г.

India Eli Lilly and Company NCT07438444

Набира участници Фаза 3

A Study to Learn About the Study Medicine (PF-08653944) in People With Obesity or Overweight and Type 2 Diabetes (T2D)

Obesity Overweight and/or Obesity Overweight Diabetes, Type 2 +1

The purpose of this clinical study is to learn about the safety and effects of the study medicine to help adults with obesity or overweight and type 2 diabetes lose weight. Being overweight or obese means carrying too much body weight. Type 2 diabetes is a condition where there is too much sugar in the blood. The study medicine is given by a shot under the skin in the belly area. The participants will be trained to do this at home once every week. About 660 out of 1000 adults will also receive the study medicine and about 330 out of 1000 adults will receive placebo. A placebo does not have any medicine in it but looks just like the medicine being studied. The investigators will compare the experiences of people receiving the study medicine to those of the people who do not. This will help us assess if the study medicine is safe and effective. People will take part in this study for about 21 months. During this time, they will have about 14 study visits at the site and 5 over the phone.

Начало: 24.02.2026 Край: 16.05.2028 Възраст: от 18 г.

Argentina, Bulgaria, Canada +8 Pfizer NCT07400653

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Measurement of Ocular Blood Flow and Retinal Oxygen Extraction in Diabetic Patients

Diabetes Mellitus

The prevalence of diabetes is increasing, with type 2 diabetes mellitus comprising over 90% of cases. Diabetes mellitus complications, including diabetic retinopathy (DR), impose significant health burdens. GLP-1 receptor agonists (GLP-1RAs) and dual GIP/GLP-1 receptor agonists show promise in improving cardiovascular and kidney outcomes, but their effects on retinal microvasculature and neuroprotection remain unclear. This study investigates the impact of GLP-1RAs (semaglutide, liraglutide) and GIP/GLP-1-dual agonists (tirzepatide) on ocular blood flow and retinal function in DM patients.

Начало: 28.11.2025 Край: 01.06.2026 Възраст: от 18 г.

Austria Medical University of Vienna NCT07536516

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