Clinical trials: PYY
Bariatric Surgery (Gastric Bypass)
Can Postprandial Reactive Hypoglycaemia be Reduced in Patients After Roux-en-Y Gastric Bypass With a Low Carbohydrate Diet?
Roux-en-Y gastric bypass (RYGB) accelerates nutrient delivery to the small intestine causing higher peak blood glucose concentration early after meal intake.
- Trial name
- NCT02665715
- Testing
- Low carbohydrate meals, Standard carbohydrate meals
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Amirsalar Samkani
Appetite and General Nutritional Disorders, Hormone Replacement
Sweet Taste Receptors and the Secretion of Glucagon-like Peptide-1 and Peptide YY
The purpose of this study is to determine the functional significance of sweet taste receptors in the secretion of GI satiety peptides by using a specific sweet taste receptor antagonist to block sweet taste perception in the gut.
- Trial name
- NCT01088841
- Testing
- lactisole
- Where
- Switzerland
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Healthy, Healthy Volunteer
Avocado and Postprandial Responses
The purpose of this study is to see how adding avocado to a breakfast meal affects blood sugar control and signals of hunger and fullness after eating.
- Conditions
- Healthy, Healthy Volunteer, Healthy Volunteers, Healthy Adult
- Trial name
- NCT06818032
- Testing
- Negative control, Avocado, Fat and fiber addition
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Vermont Medical Center
Obesity, Prader Willi Syndrome
Macronutrient Regulation of Ghrelin and Peptide YY
The hyperghrelinemia of children with PWS provides a unique model by which to explore the hormonal and metabolic effects of orexigenic hormones in normal and pathologic conditions.
- Trial name
- NCT02464514
- Testing
- High carbohydrate meal, High fat meal
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Duke University
Metabolic Health, Gut Hormones
Breaking Sitting and Metabolic Health in Sedentary Overweight and Obese Adults
The purpose of this project is to investigate the effects of breaking up prolonged sitting on postprandial metabolic responses, gut hormones secretion and energy balance in sedentary overweight and obese adults.
- Conditions
- Metabolic Health, Gut Hormones, Energy Balance
- Trial name
- NCT05306678
- Testing
- Prolonged sitting, Breaking sitting
- Where
- Taiwan
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- National Taiwan Normal University
Diabetes Mellitus
Diabetes Resolution and Hormone Changes After BPDLL and LSG
To evaluate and compare prospectively the effects of Biliopancreatic Diversion Long Limb (BPDLL) and Laparoscopic Sleeve Gastrectomy (LSG) on resolution of diabetes mellitus type 2.
- Trial name
- NCT01481675
- Where
- 2 sites in Greece
- Volunteers
- 24 people
- Sponsor
- University of Patras
Maternal Obesity Syndrome
Hormonal Regulation of Postpartum Weight and Presence of Gut Peptides in Human Milk
Hormonal Regulation of Postpartum Weight and Presence of Gut Peptides in Human Milk Studies suggest that childbearing is an important contributor to the development of obesity in many women and that breastfeeding may be…
- Trial name
- NCT01514539
- Testing
- cross-sectional
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Wyoming
Obesity
Carbohydrate Intake and Gut Hormone Release During Exercise
It is well known that following a single session of moderate-to-high intensity exercise individuals experience a temporary suppression of hunger and a delay in the commencement of eating.
- Trial name
- NCT04019418
- Testing
- Maltodextrin (carbohydrate), Exercise, Rest
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Bariatric Surgery (Gastric Bypass), Overweight
The Effect of Different Macronutrients on Gastrointestinal Hormone Secretion After Gastric Bypass Operation
The purpose of this study is to determine the type of macronutrient (carbohydrate, lipid or protein) that most potently stimulates the endogen secretion of different gut hormones (primary outcome = Glucagon-Like peptide-1) in…
- Trial name
- NCT02372526
- Testing
- Mealtest: High protein 200 kcal 200 ml liquid meal consumed during 10 minutes, Mealtest: High fat 200 kcal 200 ml liquid meal consumed during 10 minutes, Mealtest: High carbohydrate 200 kcal 200 ml liquid meal consumed during 10 minutes
- Where
- Denmark
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Kirstine Nyvold Bojsen-Moeller
PYY, Ghrelin
The Effect of Breakfast With Different Macronutrient Composition on PYY, Ghrelin, GLP-1,Glucose Level, VAS for Hunger, VAS for Satiety and Ad Libitum Intake 4 Hours After Breakfast in Obese Women
Gut hormones, such as PYY and ghrelin, are associated with appetite control and obesity. Protein is thought to be the most satieting nutrient and could affect production of several gut hormones.
- Conditions
- PYY, Ghrelin, Appetite, Gut Hormones
- Trial name
- NCT03697486
- Testing
- diet with different composition
- Where
- Indonesia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Obesity, Metabolic Syndrome
Rutazyme Lemon Fermented Product Capsules for Metabolic Function in Adults With Obesity
This study evaluates whether a fruit- and vegetable-based fermented product (Rutazyme® lemon fermented product) taken as a capsule can improve metabolic health in adults with obesity.
- Trial name
- NCT07540949
- Testing
- Rutazyme® Lemon Fermented Product Capsule
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- National Taiwan Sport University
Obesity
Effects of Intravenous Infusions of Gut Hormones on Appetite and Metabolism.
The purpose of this study is to investigate the effects of intravenous infusion of two gastrointestinal hormones, PYY3-36 and GLP-1, alone and in combination, on appetite in healthy obese men.
- Trial name
- INGEAR-1 (NCT00940134)
- Testing
- PYY 3-36, GLP-1, saline infusion
- Where
- Denmark
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Psychotic Disorders
Effect of Antipsychotics on Appetite Regulation
The purpose of this study is to evaluate changes in appetite-regulating hormones, body composition (weight, body fat%), and hunger ratings in persons early in treatment with one of four atypical antipsychotic medications…
- Trial name
- ADAPT (NCT00903916)
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- University of North Carolina, Chapel Hill
Appetite and General Nutritional Disorders
The Effects of Whey, Rice and Potato pRotein isOlates on appeTite rEgulatIoN in Healthy Men
INTRODUCTION: Global protein consumption has been increasing for decades due to changes in socio-economic demographics and consumer trends towards higher protein intake, which may be related to their health benefits in…
- Trial name
- PROTEIN (NCT04876495)
- Testing
- Whey protein isolate, Potato protein isolate, Rice protein isolate
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Westminster
Endocrine System Diseases
Gastric and Intestinal Satiation in Obese and Normal Weight Healthy People
The purpose of this study is to determine the reciprocal control between gastric functions and intestinal parameters in the development of satiation in obese people.
- Trial name
- NCT01456572
- Testing
- ensure plus, standardized test meal
- Where
- Switzerland
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Obesity
Protein Dose-repsonse Effect on GLP-1, PYY and Appetite in Male Subjects
Dietary protein appears to be the most satiating and thermogenic macronutrient. However, how protein exerts its effect on appetite is not fully known.
- Trial name
- Protein (NCT01561235)
- Testing
- Dose-reponse effect of protein on appetite and appetite-regulating hormones
- Where
- Denmark
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Obesity, Appetitive Behavior
Comparing EVCO and EVOO
The aim of this study is to compare acute effects of consuming extra virgin coconut oil (EVCO) as a source of medium chain fatty acids and extra virgin olive oil (EVOO) as a source of long chain fatty acids in normal weight and…
- Trial name
- NCT04738929
- Testing
- Extra virgin coconut oil or extra virgin olive oil
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people
- Sponsor
- Ankara City Hospital Bilkent
Breastfeeding
Effects of Breastfeeding on Maternal Plasma Ghrelin and Peptide Tyrosine Tyrosine (PYY) Levels
Weight retention after pregnancy contributes to increasing rates of obesity. There is evidence that breastfeeding is accompanied from changes in fat mobilisation and fat mass, nevertheless there are no data on the effects of…
- Trial name
- NCT00831818
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Obesity & Overweight, Appetite Regulation
Colonic Delivery of DIM and Perilla Oil on Gut Hormones and Food Intake in Obesity
The goal of this clinical trial is to learn whether targeted food supplement capsules that release nutrients in the lower gut can increase appetite-regulating gut hormones and reduce food intake in adults with obesity.
- Trial name
- NCT07448519
- Testing
- Colonic-delivered DIM + Perilla oil
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- Queen Mary University of London
Insulin Resistance, Type2 Diabetes Mellitus
High-fat Overfeeding, Hepatokines and Appetite Regulation
The present study will investigate the effect of high-fat overfeeding on a group of liver-secreted proteins linked to worsened blood sugar control, as well as proteins involved in appetite control.
- Conditions
- Insulin Resistance, Type2 Diabetes Mellitus, Non-Alcoholic Fatty Liver Disease, Obesity
- Trial name
- OVEREAT (NCT03369145)
- Testing
- High-fat diet
- Where
- 2 sites in United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Loughborough University