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The Effect of Whey and Casein on IGFs in Prepubertal Boys
This study is ongoing, but not recruiting participants.
First Received: September 20, 2006   Last Updated: January 20, 2009   History of Changes
Sponsors and Collaborators: University of Copenhagen
ARLA Ingredients a.m.b.a.
Information provided by: University of Copenhagen
ClinicalTrials.gov Identifier: NCT00378820
  Purpose

It is not clear which milk compounds are responsible for the growth stimulation. Through short term intervention studies in prepubertal children, we will test the effects of whey, casein, and milk minerals (especially Ca/P). Outcomes will be IGF-I, IGFBP-3, p-amino acids, oral glucose tolerance test (insulin, glucose, GLP-1 and 2, C-peptide, proinsulin) and markers for bone turn-over in blood and urine (s-osteocalcin, s-bone alkaline phosphatase, urine Dpyr, Ntx) as well as blood pressure.


Condition Intervention
Metabolic Syndrome
Obesity
Behavioral: Whey without milk minerals
Behavioral: Whey with milk minerals
Behavioral: Casein without milk minerals
Behavioral: Casein with milk minerals

MedlinePlus related topics: Minerals Obesity Obesity in Children
Drug Information available for: Casein
U.S. FDA Resources
Study Type: Interventional
Study Design: Prevention, Randomized, Double-Blind, Uncontrolled, Factorial Assignment
Official Title: The Effect of Whey and Casein With and Without Milk Minerals on IGFs in Prepubertal Boys

Further study details as provided by University of Copenhagen:

Primary Outcome Measures:
  • IGF-I
  • IGFBP-3
  • Insulin
  • Glucose

Secondary Outcome Measures:
  • Blood Pressure
  • Body Composition
  • Adiponectin
  • Leptin
  • Ghrelin
  • C-peptide
  • OGGT
  • Urea Nitrogen
  • Amino Acids
  • Osteocalcin
  • BAP
  • CTX

Estimated Enrollment: 60
Study Start Date: July 2004
Estimated Study Completion Date: April 2005
Detailed Description:

Milk has evolved to support high growth velocity in newborns and observational and intervention studies suggest that milk has special growth stimulating properties especially regarding body size, bone mass and gut. We have previously shown that a one week high-dose intervention with milk, but not meat, increased fasting IGF-I and insulin levels in prepubertal boys. It is not clear which milk compounds are responsible for the growth stimulation. Through short term intervention studies in prepubertal children, we will test the effects of whey, casein, and milk minerals (especially Ca/P). Outcomes will be IGF-I, IGFBP-3, p-amino acids, oral glucose tolerance test (insulin, glucose, GLP-1 and 2, C-peptide, proinsulin) and markers for bone turn-over in blood and urine (s-osteocalcin, s-bone alkaline phosphatase, urine Dpyr, Ntx) as well as blood pressure. Exploring the growth stimulating effects of these milk components will improve the understanding of dietary effects on growth and bone metabolism, and will be valuable for the diary industry developing dietary products supporting growth e.g. infant formula, products for clinical nutrition and milk based products for nutritional rehabilitation of malnourished children in developing countries.

  Eligibility

Ages Eligible for Study:   8 Years to 8 Years
Genders Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • habital milk intake:200 - 500 mL/d

Exclusion Criteria:

  • chronic illnesses
  • children who suffer from any condition likely to affect their protein metabolism or growth
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00378820

Locations
Denmark
Institute of Human Nutrition, Rolighedsvej 30
Frederiksberg C, Denmark, 1958
Sponsors and Collaborators
University of Copenhagen
ARLA Ingredients a.m.b.a.
Investigators
Study Chair: Kim F Michaelsen, Dr Med Sci Institute of Human Nutrition, Rolighedsvej 30, DK-1958 Frederiksberg C, Denmark
  More Information

No publications provided

Study ID Numbers: KF 01-072/04, D-111
Study First Received: September 20, 2006
Last Updated: January 20, 2009
ClinicalTrials.gov Identifier: NCT00378820     History of Changes
Health Authority: Denmark: The Danish National Committee on Biomedical Research Ethics

Keywords provided by University of Copenhagen:
Children
Whey
Casein
Milk minerals
Growth factors
IGF-I
Insulin

Study placed in the following topic categories:
Body Weight
Signs and Symptoms
Obesity
Caseins
Mitogens
Nutrition Disorders
Overweight
Overnutrition
Chelating Agents
Insulin

Additional relevant MeSH terms:
Obesity
Disease
Molecular Mechanisms of Pharmacological Action
Overweight
Pharmacologic Actions
Body Weight
Signs and Symptoms
Caseins
Pathologic Processes
Syndrome
Nutrition Disorders
Overnutrition
Chelating Agents

ClinicalTrials.gov processed this record on May 07, 2009