78 Clinical Trials for Various Conditions
A recent clinical trial demonstrated the efficacy of Gelesis100 use for weight loss (Obes 2019;27:205-216). The present trial is designed to explore the mechanisms by which it may work, i.e. by suppressing hunger, altering food intake and/or altering the efficiency of energy extraction from food.
The objective this research is to conduct a within-subject, experimental study that will describe mothers' feeding practices during typical bottle-feeding conditions and will examine whether removal of visual cues related to the amount of milk/formula in the bottle will alter these feeding practices. The investigators hypothesize that mothers will show higher levels of infant-directed feeding practices and lower levels of mother-directed feeding practices when using opaque, weighted bottles compared to when using standard, clear bottles. The investigators also hypothesize that infants will consume less breast milk or formula when fed from opaque, weighted bottles compared to when fed from standard, clear bottles.
The objective of the proposed research is to conduct a within-subject, experimental study that will describe mothers' feeding practices during typical bottle-feeding conditions and will examine whether removal of visual cues related to the amount of milk/formula in the bottle will alter these feeding practices. The investigators hypothesize that mothers will show higher levels of infant-directed feeding practices and lower levels of mother-directed feeding practices when using opaque, weighted bottles compared to when using standard, clear bottles. The investigators also hypothesize that infants will consume less breast milk or formula when fed from opaque, weighted bottles compared to when fed from standard, clear bottles.
Currently, no clear consensus exists regarding the effect of epidural anesthesia upon breast-feeding. In theory, epidurals may increase breast-feeding failure via inadequate maternal milk production, deficiencies in neonatal neurobehavior, or both, but most studies have failed to separate these potential mechanisms. The present study examines whether epidural duration correlates with 1) likelihood of breast-feeding at hospital discharge and 2) neonatal neurobehavioral deficits in feeding, as measured by the L\&A components of the standardized, validated LATCH scoring system.
There is a paucity of information on whether and how the composition of formulas fed to infants influences their short-term feeding behaviors during the first few months of life. The purpose of this study is to investigate whether the composition of infant formula affects infants' feeding behaviors, in particular, how much formula is consumed within a given feed (i.e., measure of satiation) and how much time elapses after the feed until the infant exhibits signs of hunger (i.e., measure of satiety). The investigators will also examine the relationship between the composition of infant formula consumed and infant temperature, activity, sleep, and mothers' perceptions of infants' intake and regulatory behaviors.
Evaluation of three online modules developed by the Center for Childhood Obesity Research for caregivers of children ages 5-12 years old participating in SNAP-Ed programing.
Decades of research have established that providing repeated exposure to new foods is the most robust strategy for promoting children's acceptance of new foods (1). However, there is little guidance on how best to translate this recommendation into everyday family life about how often to introduce children to new foods. We propose to conduct a proof-of-concept randomized trial that will evaluate three different schedules of repeated exposure to a novel vegetable, which will help to identify the optimal "pacing" of repeated exposure to promote children's acceptance (i.e., intake) of new vegetables. Here we define "pacing" as how often (every day, every few days, etc.) and across what interval of time (days, weeks, months) repeated exposure is effective for infants to learn to accept a novel food.
The purpose of this study is to gain a better understanding of how energy density and cognitive framing of satiation using food information can influence consumption at a meal. This study also aims to investigate the influence of energy density and food information on sensory specific satiety (the decline in the subjective pleasantness of a food as it is eaten).
The purpose of this study is to determine the methods of formula preparation and feeding practices in Latin American households in the first 12 months of life. There is limited published information on the feeding practices of infants in disadvantaged households, and still less information is available regarding disadvantaged Latin American households. Studies have shown that certain feeding practices such as diluting infant formula, warming bottles in a microwave, or storing partially used bottles in the refrigerator can be dangerous for the infant. Previous pilot data in other states have documented that up to 15-21% of parents dilute infant formula. Motives for doing so included an attempt to avoid infant hunger, save money, or make formula last longer.
The brain plays an integral role in how and what people eat. However, the brain's contribution to overeating is not well understood during sensitive developmental periods such as adolescence, when excessive weight gain and obesity prevalence are a significant concern.The proposed study will use functional magnetic resonance imaging to examine how the brain's response to excess energy is related to overeating in adolescents with and without obesity.
The aim of the study is to determine the effect of varying both the palatability and portion size of vegetables served to preschool children at a meal on the outcomes of food and energy intake at the meal.
The purpose of this study is to gain a better understanding of the satiation measures that influence human eating behavior in regard to intake of large portion sizes at a meal. The investigators hypothesize that satiation measures will influence the magnitude of the portion size effect at a meal. Additionally, other individual characteristics will be examined for their influence on the portion size effect. The portion size effect will be measured by serving a test meal once a week for four weeks in which the portion size of the entree will be varied.
This is a multi-center, randomized, placebo-controlled, double-blind clinical trial. The primary focus of the study is the evaluation of the effectiveness of treatment with megestrol as part of a 24 week behavioral feeding protocol in transitioning from tube to oral feedings in a pediatric population. Approximately 60 pediatric subjects matching the criteria for eligibility will be enrolled in the study and randomized to receive either megestrol (n=30) or placebo (n=30).
A majority of mothers experience high stress levels and associated symptoms of anxiety, depressive symptoms, and sleep disruption during the NICU hospitalization and continuing after hospital discharge. Given preterm infant feeding is one of the most stressful things the new mother will face and given the harmful nature of stress on maternal and infant health, it is important an intervention focuses on both of these concerns: infant feeding and maternal stress. Therefore, the purpose of this research study is two-fold. First, the investigators will examine how practical and acceptable it is for mothers of preterm infants to participate in Stress And FEeding (SAFE) intervention and collect biological stress measures from mothers and their preterm infant's saliva (spit). The intervention is designed to reduce stress and improve maternal feeding interaction. The second purpose of this study is to examine changes before and after using the intervention on mother and infant outcomes over 16-weeks.
The aim of the study is to determine the effect of varying both the portion size and the appeal (palatability and presentation) of foods served to preschool children at a meal on the outcomes of food and energy intake at the meal.
The study uses a crossover design in which the portion size of food is varied at each meal. Across four test meals, subjects will be served four different portions of food, and intake will be determined from pre- and post-meal food weights. The first visit will be a screening visit, at which subjects will complete the consent form, have their height and weight measured, and rate the taste of the study food. Test meals will be scheduled once a week for four weeks. At visits 2-5, subjects will eat lunch and rate characteristics of the meal. At visit 6, subjects will complete various questionnaires. The objective of this study is to determine whether any individual characteristics related to satiety influence the effect of portion size on intake.
In this study, the investigators will vary the proportions of high- and low-energy-dense foods served to preschool children at all meals and snacks during three 5-day periods. In the three experimental conditions, the same foods will be served; only the amounts and proportions of foods will be varied. In the Baseline condition, typical proportions of age-appropriate foods will be served. In the Addition condition, the portion sizes of low-energy-dense foods will be increased, and in the Substitution condition, the portions of low-energy-dense foods will be increased by replacing an equivalent amount of foods higher in energy density. The primary aim is to determine the effect on children's energy intake of varying the proportion of low- and high-energy-dense foods served, either by addition or substitution, over 5 days. It is hypothesized that children will consume less energy when they are served meals in which low-energy-dense foods are substituted for foods higher in energy density over 5 days and that children will consume more energy when served meals to which low-energy-dense foods are added. Additionally, we will test the hypothesis that daily energy intake in the three conditions will begin to converge across the 5-day period.
Using cross-sectional samples from over 40 Demographic and Health Surveys, the investigators studied the association between maternal employment and 3 indicators of Infant and Young Child Feeding (IYCF): exclusive breastfeeding (EBF) among children less than 6 months old (N=39,791) and minimum diet diversity (MDD) and minimum meal frequency (MMF) (N=137,208) among children 6 to 23 months old. Mothers were categorized as formally employed, informally employed, or non-employed. The investigators first used adjusted logistic regression models to assess the associations within each country. The investigators then used meta-analysis to pool associations across all countries and by region.
In this study, the investigators will vary the energy density of foods served during three 5-day periods. There will be a baseline condition, and then a condition where the energy density of food is lower and a condition where the energy density of food is higher. The primary aim is to determine the effect of varying the energy density of foods served over 5 days on energy intake in preschool children. It is hypothesized that mean daily energy intake will be greater when children are served higher energy dense foods over 5 days than when served lower energy dense foods over the same period. Additionally, it is hypothesized that daily energy intake in the conditions with higher and lower energy densities will begin to converge across the 5-day period.
In this study, the investigators varied the portion size of all meals served during two 5-day periods. During one period, baseline amounts of all foods and beverages were served, and during the other, the portion size of all items was increased by 50%. The primary aim of the study is to determine the effect of varying the portion size of foods and beverages served over 5 days on energy intake in preschool children.
The purpose of this study is to test whether food intake in response to large portion sizes differs between women who have received portion-control training and women who have not received such training. In a crossover design, women come to the laboratory on four occasions to eat a lunch of seven foods varying in energy density. Across meals, all foods are varied in portion size (100%, 125%, 150%, or 175% of baseline amounts). Food and energy intake is determined for each meal. Participants are from two groups: women who completed a one-year weight-loss trial in which they were trained in portion-control strategies, and women who had not received such training (community controls).
The objective of this study is to determine the relations among food insecurity status, obesity, and impulsive food choice patterns and to test the extent to which a mindful eating strategy reduces impulsive choice for food. The central hypothesis is that food-insecure individuals will demonstrate more impulsive food choice patterns and demonstrate a greater likelihood of obesity than individuals who are food secure. Two specific aims are proposed: Specific aim #1: Determine the relation between food insecurity, obesity, and impulsive food choice patterns in women. The working hypothesis is that food-insecure individuals, especially those that are obese, will exhibit more impulsive food choice patterns than food-secure individuals. Specific aim #2: Determine the efficacy of an extended mindfulness-based eating strategy on impulsive choice patterns among food insecure women. The working hypothesis is that mindful eating will reduce impulsive food choice patterns relative to baseline and control conditions, and will persist to follow-up. The investigators expect mindful eating to reduce impulsive choice compared to control conditions, despite food security status.
In this study, the investigators varied both the energy density and portion size of milk served with a meal commonly consumed by preschool children. The milk used in this study is commercially available and reflects typical variations in energy density. The primary aim of the study is to investigate the independent and combined effects of milk energy density and portion size on preschool children's intake of the milk and the simultaneously served meal. The effect of milk energy density and portion size on children's total energy intake at the meal will also be evaluated.
This study tests the effect of serving larger portions of all foods in a meal on the outcome of food and energy intake. Using a crossover design, participants are served the meal once a week for four weeks and the portion sizes are varied at each meal. Some of the foods served at the meal are low in calorie density (calories per gram) and some are higher in calorie density. The aim is to determine whether intake in response to larger portions differs depending on characteristics of the subjects or of the foods.
The overall goals of this project are to determine the impact of an implicit priming intervention, designed to alter food perceptions, on both brain responses to food and on food intake behaviors in overweight/obese individuals. The investigators hypothesized that this bottom-up sensory-level conditioning approach would effectively result in reduced preference for high-calorie foods.
This study investigates the effect of varying both energy density and portion size of all foods at lunch on preschool children's intake. The foods used in this study are commercially-available, commonly-consumed foods with typical variations in energy density. The primary aim of the study is to investigate the independent and combined effects of energy density and portion size on preschool children's intake at a meal composed of foods typically served to this population.
The Validation of a Digital Diet Method project is very innovative because it links three methods to address the gap in measuring food intake of HS preschool children. Data collection is based on EMA theory; participant burden is low, and the Food Image App decreases participant and staff burden even further. Data management and analysis are semi-automated and relies on advanced computer algorithms. A strength of this approach is its semi-automation, which allows us to leverage the strengths of human operators and computer automation.
The purpose of this study is to pilot test whether a novel infant feeding bottle changes how much formula an infant drinks and how quickly he/she drinks it, as compared to meals provided in a standard bottle. Exclusively formula-fed infants and their caregiver will be provided with the novel feeding bottle and caregivers will be asked to acclimate their infant to this bottle during the next several weeks. Once acclimated, infants will undergo two weighed, timed, and videotaped test meals on two separate days; one with the novel bottle and one with their standard bottle, in random order. It is hypothesized that when the novel bottle is used, infants bottle will consume smaller meals and will have a longer meal duration, as compared to when a standard bottle is used.
This clinical trial is evaluating the effects of a 2-hour, small group discussion with parents and caregivers of adolescents in Oregon. We will evaluate whether parents'/caregivers' experience reductions in their disordered eating symptoms, mood symptoms, and parent-child relationship quality, relative to parent/caregiver participants in the wait list control. We will also evaluate whether the children of these parents/caregivers experience improvements in their disordered eating and mood symptoms.
The goal of this intervention development study is to optimize the Starting Early to Prevent Obesity Using Telehealth (StEP OUT) intervention for feasibility and acceptability, using human-centered design and community-engaged research methods.