Clinical Research Directory

Comparing a Healthy Beef-Centric Diet to a Healthy U.S.-Style Diet on Metabolic Health Outcomes in Pre-Diabetic Adults

This randomized study will be conducted to compare the effect of a healthy beef-centric diet to a healthy U.S.-style dietary pattern on inflammation and other metabolic health outcomes in a metabolic syndrome and/or pre-diabetic population.

Time-Restricted Eating for Weight-Loss Maintenance

Weight regain after intentional short-term weight loss is a common challenge. It often undermines the long-term benefits of obesity treatment. This study is a multi-center 2-arm randomized controlled trial across six regions in China, specifically targeting overweight or obese adults who have recently achieved a short-term weight reduction (≥5% of body weight). The trial will evaluate whether a 10-hour daily Time-Restricted Eating (TRE) regimen can more effectively prevent weight regain compared to standard weight maintenance counseling alone. Both the intervention and control groups will receive the same frequency and intensity of nutritional counseling for weight maintenance; the only difference is that the TRE group will be instructed to confine their daily eating to a self-selected 10-hour window, while the control group has no eating window restriction. In addition to the primary outcome of weight regain, the study will explore potential mechanisms underlying the effects of TRE and assess secondary outcomes including changes in body composition, metabolic health, and quality of life. This study recruits participants from six distinct regions across Eastern, Western, Southern, Northern, and Central China to enhance national representativeness. The study is divided into two phases: the first phase is a 2-month weight loss run-in phase (the screening phase), during which participants will receive standardized lifestyle and diet guidance from trained dietitians. Those who achieve at least a 5% loss of initial body weight by the end of this phase-and maintain a stable weight for approximately three weeks-will proceed to the second phase. In the second phase, participants will be randomly assigned to one of two arms for a 12-month weight maintenance intervention. The Control Arm will receive periodic weight-management nutritional counseling without any eating time restriction, while the TRE Intervention Arm will receive the same guidance plus instructions to follow a daily 10-hour time-restricted eating schedule. This design ensures both groups receive equivalent dietary and lifestyle support, with TRE as the key differential strategy. Following the 12-month intervention phase, participants will be followed for an additional 12 months (without active intervention) to observe longer-term weight outcomes. Data will be collected at multiple time points: baseline (before the weight loss phase), 2 months (end of the weight loss phase and prior to the start of the maintenance phase), 5 months, 8 months, 14 months (end of the weight maintenance phase), as well as 20 months and 26 months (during the post-intervention follow-up). Key outcomes include changes in body weight (to assess weight regain or maintenance), body composition, metabolic health indicators (e.g. blood glucose, lipids), and quality of life measures. To monitor dietary behaviors, participants will be asked to upload meal photos via a designated mobile application with automatic time-stamping, which will be used to assess eating timing and adherence to the prescribed eating window. Body weight will be measured once weekly using Bluetooth-enabled smart scales. To explore potential mechanisms of action, biospecimens (blood and stool) will be collected at baseline, 2 months, 8 months, and 14 months for analysis. In addition, Continuous Glucose Monitoring (CGM) will be performed in a randomly selected subsample of 200 participants (100 from each group) using a standardized device for 14 consecutive days at months 2, 8, and 14. These data will be used to evaluate glycemic stability and adherence to the assigned eating window. Real-time CGM readings will not be disclosed to participants and will not be used to guide individual-level interventions.

Study of ALV-100 to Assess Safety, Tolerability, and PK/PD in Overweight/Obese Participants With or Without T2D

A Study of ALV-100 to Assess Safety, Tolerability, and PK/PD in Overweight/Obese Participants with or without Type 2 Diabetes

Improving Weight Loss in Healthy Adults With Overweight and Obesity: An Artificial Intelligence-assisted Dietary Prediction and Prevention System With Continuous Glucose Monitoring

This study aims to examine the effectiveness of a novel dietary lapse prediction and prevention self-regulation app called the eating behaviour trigger-response inhibition program (eTRIP), and the addition of continuous glucose monitoring (CGM), on healthy eating and weight loss in people with overweight and obesity.

Effect of a Liquid Tonic Drink on Post-meal Glucose and Insulin Responses

A randomised, double blinded, placebo-controlled crossover design clinical trial conducted at the Mary MacKillop Institute for Health Research (MMIHR, Australian Catholic University) for individuals with overweight/ obesity. This study will measure the postprandial glucose and hormone responses to a high-carbohydrate meal with/ without a liquid tonic drink.

Feasibility and Plausible Effectiveness of a Lifestyle Intervention in Kidney Transplant Recipients (HEAL)

The goal of this clinical trial is to learn whether if it is feasible to implement a study of patients receiving kidney transplantation, to learn if these patients will complete selective outcomes measurements, and to examine if a lifestyle intervention may assist with preventing weight gain compared to standard medical care. The main questions it aims to answer are: * Is it feasible to recruit and retain patients who have undergone kidney transplantation into a study to compare standard medical care to standard medical care plus a lifestyle intervention focused on prevention of weight gain? * Will participants engage in the interventions and be compliant to the components of the interventions? * Will there be any difference between the interventions between the interventions for the occurrence of adverse events specific to kidney transplantation? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on preventing weight gain compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on body composition compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on fasting glucose compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on fasting insulin compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on insulin sensitivity compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on physical function compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on health-related quality of life compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on changes in dietary intake compared to standard medical care alone? * Will there be initial effectiveness for the standard medical care plus a lifestyle intervention to have a better effect on physical activity and sedentary behavior compared to standard medical care alone? Participants will: * Participants will continue with their standard medical care following kidney transplantation. * Participants only receiving standard medical care will also complete brief monitoring visits at week 6, 12, and 18. * Participants receiving the lifestyle intervention will attend weekly intervention sessions and will be recommended to modify their diet and physical activity behaviors in an effort to prevent weight gain. * Participants will complete outcome measurements as the start of the study and again after 6 months in the study. * After 6 months in the study, participants will also complete a brief intervention and answer other questions about their experience in the study.

ENERGY2MOB STUDY: OBESITY MANAGEMENT IN BERGUEDÀ

Background: Obesity is a prevalent multifactorial disease worldwide and has become a significant public health concern. The latest data from the 2022 Catalonia Health Survey show that 56.2% of men and 43.7% of women are overweight or obese, and 39% of children aged 6 to 12 years have excess weight. Excess adiposity poses a health risk as it is associated with various chronic diseases such as type 2 diabetes mellitus, hypertension, and dyslipidaemia, all of which affect quality of life and increase mortality risk. Hypothesis: The Energy2MOB obesity management programme in Berguedà is a group-based intervention incorporating nutrition education and physical activity. It aims to reduce excess body weight and the risk of chronic diseases, including type 2 diabetes mellitus, dyslipidaemia, and hypertension, through a multicomponent approach that enhances dietary habits, physical activity, and emotional eating regulation. Objectives * Assess the effectiveness of the Energy2MOB programme in reducing body weight by 5-10% among adults with obesity in the Berguedà health region. * Measure lifestyle modifications, including dietary habits, physical activity, and emotional eating. Methodology: A randomised clinical trial with two groups (control and intervention) over one year, including individuals aged 18-65 years in the Berguedà health region with overweight grade II (BMI 27-30 kg/m²) or obesity (BMI 30-40 kg/m²). Exclusion criteria include significant language barriers, previous bariatric surgery, moderate to severe cognitive impairment, and severe psychiatric disorders preventing participation in sessions. Participants must attend at least 80% of the programme. Measurements * Sociodemographic factors: sex, age, education level, marital status, employment status. * Lifestyle factors: alcohol and tobacco use, dietary habits, physical activity, emotional eating, health-related quality of life. * Anthropometric parameters: body weight, height, BMI, waist circumference. * Blood pressure, medication use, biochemical parameters (fasting glucose, glycated haemoglobin, lipid profile, liver and kidney function markers, C-reactive protein). Statistical Analysis: Accepting an alpha risk of 0.05 and a statistical power above 0.8 in a bilateral contrast, 68 subjects per group are required to detect a difference of at least 2.5 kg. A common standard deviation of 4.77 is assumed, with an estimated 15% dropout rate. Sample size calculations were performed using GRANMO version 8.0 (https://www.datarus.eu/ca/aplications/granmo/; consulted in November 2024). Expected Outcomes, Applicability, and Relevance: This study aims to generate scientific evidence on the effectiveness of multicomponent group-based interventions focused on improving nutrition, physical activity, and psychological well-being in obesity and chronic disease management. It seeks to create an environment that facilitates behavioural changes, leading to weight reduction and improved quality of life. The findings will also contribute to the development of a practical guide for addressing excess weight in primary healthcare settings. Keywords (maximum 6): Adult obesity, primary health care, group interventions, dietary interventions, multicomponent interventions, Mediterranean diet.

The 6-minute Pegboard and Ring Test in Overweight and Obese Individuals

The aim of our study is to investigate the validity and reliability of the 6-minute pegboard and ring test in overweight and obese individuals.