Clinical trials: Protein Metabolism
Osteoporosis, Humoral Hypercalcemia of Malignancy
One Week Parathyroid Hormone-related Protein (PTHrP) IV Dose Escalation Study
This is a dose escalation study to determine the maximum tolerable dose of Parathyroid Hormone-related Protein, PTHrP, that can be given safely over one week.
- Conditions
- Osteoporosis, Humoral Hypercalcemia of Malignancy, Hyperparathyroidism
- Trial name
- NCT00580788
- Testing
- PTHrP (1-36)
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Protein Metabolism
"Ounce-equivalents" in the Protein Foods Group: Benefits of Quality
The investigators will examine the effects of a given amount of a protein food source such as pork, mixed nuts, and tofu on anabolic response at the whole body and muscle levels in young, healthy adults.
- Trial name
- NCT03179462
- Testing
- Pork intake, Mixed nuts intake, Tofu intake
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Healthy
Whole Body Protein Metabolism of a Whey/EAA Supplement Using Continuous Oral Stable Isotopes
To evaluate the validity of a continuous oral sip-feeding method of stable isotope tracer for the evaluation of whole-body protein metabolism in response to two different doses of an EAA/whey protein supplement (Low=6.3g and…
- Trial name
- NCT04612400
- Testing
- Oral amino acid tracer
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Diabetes Mellitus, Type 2, Insulin Resistance
The Aging Endocrine Pancreas: Characterization of the Entero-insular Axis Physiology in the Elderly
Like most endocrine axes, the entero-insular axis is expected to go through an age-related physiological deterioration, what might contribute to special features of the elderly onset type 2 diabetes in comparison to middle-age.
- Trial name
- NCT00843479
- Where
- Brazil
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Hypertension, Hypercholesterolemia
Clinical Trial of Protein and Blood Pressure
The purpose of this randomized, double-blind, controlled trial is to examine the effect of soybean protein supplementation on blood pressure in persons with prehypertension or stage-1 hypertension.
- Trial name
- ProBP (NCT00107744)
- Testing
- Soy protein-milk protein-carbohydrate, Milk protein-carbohydrate-soy protein, Carbohydrate-soy protein-milk protein
- Volunteers
- 352 people, healthy volunteers welcome
- Sponsor
- Tulane University
Weight Loss, Starvation
Effect of Caloric Restriction and Protein Intake on Metabolism and Anabolic Sensitivity
The purpose of this study is to determine if an increased protein intake can attenuate the suppression of metabolic and anabolic hormones during caloric restriction
- Trial name
- NCT02945410
- Testing
- Caloric Restriction, Protein, Exercise
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Nebraska Lincoln
Obesity
Growth Hormone as a Determinant of Weight Regulation
With the alarming increase in the prevalence of obesity, identifying factors that predispose individuals to weight-gain is of critical importance.
- Trial name
- NCT00355784
- Testing
- overfeeding, growth hormone treatment
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Lipid Metabolism Disorders
The Genetic, Protein, and Lipid Basis of Variation in Cholesterol Efflux
The rationale of this research is that deep phenotyping of individuals at the extremes of cholesterol efflux will identify key determinants of efflux that are potential novel therapeutic targets to prevent or reverse…
- Trial name
- NCT04061018
- Where
- United States
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Overweight, Obesity
The Beneficial Effects of a Protein-rich Breakfast on Appetite Control & Cognition in Overweight and Obese Adolescents
The purpose of this study is to assess whether the daily addition of a protein-rich breakfast leads to beneficial changes in appetite control, food intake regulation,and cognitive function in overweight \& obese 'breakfast…
- Trial name
- NCT01192100
- Testing
- Breakfast Skipping, Normal Protein Breakfast Meals, Protein-rich Breakfast Meals
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Sarcopenia
Effect of an EAA/Whey Composition on Protein Metabolism
Sarcopenia, a progressive loss of muscle mass, strength and function, is an inevitable natural process of aging. While it may be impossible to completely reverse the progress of sarcopenia, it is well established that intake of…
- Trial name
- NCT03502941
- Testing
- 6.3 g of EAAs mixture and whey protein isolate, 12.6 g of EAAs mixture and whey protein isolate, 12.6 g of whey protein isolate
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Obesity, Diabetes
Calorie Restriction and Changes in Body Composition, Disease, Function, and Quality of Life in Older Adults
The investigators want to determine if the benefits of weight loss outweigh the potential risk in a group of older adults. The investigators will test the hypothesis that changes in diet composition alone or in conjunction with…
- Conditions
- Obesity, Diabetes, Hypertension, Hyperlipidemia
- Trial name
- CROSSROADS (NCT00955903)
- Testing
- Exercise, Reduced Calorie Diet, Weight Maintenance Diet
- Where
- United States
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Obesity
Modulation of the Intestinal Microbiome by a High Protein Diet
The objective of this study is to test and determine whether a high protein diet induces weight loss by modulating the composition and function of the intestinal microbiome in obesity.
- Trial name
- HPD (NCT04812964)
- Testing
- Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass, Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Type 2 Diabetes
Impact of Breakfast Composition on Glycemic and Incretin Responses in Individuals With Type 2 Diabetes
This study examined the effect of a high protein or high carbohydrate breakfast on the glucose and insulin response following the breakfast meal, as well as the subsequent response following the lunch meal.
- Trial name
- NCT02180646
- Testing
- High protein breakfast, High carb breakfast
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Diabetes Mellitus, Impaired Fasting Glucose
Effect of Red Blood Cell Survival on a Commonly Used Diabetes Lab Test-HbA1c
Prevention of complications in veterans with diabetes depends heavily on assessment of blood glucose and HbA1c. The HbA1c is a blood test that measures the exposure of hemoglobin (Hb) to a person's average blood glucose over the…
- Conditions
- Diabetes Mellitus, Impaired Fasting Glucose, Prediabetes
- Trial name
- NCT01204216
- Testing
- re-infusion of biotin labeled cells, Diabetes education/diabetes medication adjustment
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Alzheimer Disease
Evaluating Simvastatin's Potential Role in Therapy
The purpose of this study is to see how simvastatin, a cholesterol-lowering drug, affects processes related to the development of Alzheimer's disease, including: 1) levels of a substance called beta-amyloid-42 found in the spinal…
- Trial name
- ESPRIT (NCT00486044)
- Testing
- Simvastatin
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Aging, Insulin Sensitivity
Antecedent Metabolic Health and Metformin Aging Study
Aging is the number one risk factor for the majority of chronic diseases. There are no pharmaceutical treatments to slow aging and prolong healthspan.
- Conditions
- Aging, Insulin Sensitivity, Chronic Disease, Mitochondria
- Trial name
- ANTHEM (NCT04264897)
- Testing
- Metformin
- Where
- 2 sites in United States
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Oklahoma Medical Research Foundation
Osteoporosis
The Effect of Protein on Calcium Absorption and Gastric Acid Production
We have established that dietary protein is an important regulator of intestinal calcium absorption in humans. However, we do not understand the mechanism by which dietary protein is affecting calcium absorption.
- Trial name
- NCT00719160
- Testing
- esomeprazole
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Yale University
Overweight, Obese
The Effect of Protein-enriched Diet on Body Composition and Appetite
Obesity is a major problem worldwide and current dietary interventions are not proving to be enough to cease the increase in levels of obesity and its detrimental side effects, such as nonalcoholic fatty liver disease (NAFLD).
- Conditions
- Overweight, Obese, Metabolic Syndrome, Non Alcoholic Fatty Liver Disease
- Trial name
- ProteinRich (NCT01634048)
- Testing
- High Protein, low calorie meal replacement
- Where
- United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Healthy
Metabolic Effect of High-protein Meals in Men
The purpose of the clinical study is to investigate the effect of the protein quality of high-protein meal replacements on the management of post-prandial blood glucose in healthy men.
- Trial name
- OPTI-PROT (NCT00712010)
- Testing
- Whey protein native, Whey protein microgels, Hydrolyzed whey protein
- Where
- Switzerland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Obesity, Weight Loss
Effect of High Protein Weight Loss for Seniors
Intentional weight loss in obese, older adults remains controversial. Although caloric restriction, resulting in significant weight and fat mass loss, ameliorates many clinical consequences of obesity, recommendation of…
- Trial name
- NCT02730988
- Testing
- Weight Stable Group
- Where
- United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Wake Forest University