A Study to Investigate the Effect of Protein in Infant Formula on Insulin Response in Adults

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

35 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-06-30

Study Completion Date

2013-06-30

Brief Summary

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It has been established that the consumption of a diet that causes a low rise in blood insulin levels is beneficial in terms of risk for diabetes and heart disease. Furthermore, it is known that certain nutrients contained within a food play an important role in the insulin response of that food. For example, the type and quantity of protein has been shown to affect the insulin response to particular foods.

Different types of infant formula exist, containing different levels and types of protein, yet the impact of these different infant formulas on blood insulin levels is not known.

Using a randomized, double blind, cross-over study design, the insulin response to four test milks was compared in healthy adults. The four test milks were as follows: i) infant formula containing partially hydrolyzed protein; ii) infant formula with intact protein; (iii) infant formula with a higher energy and protein content compared to (i) and (ii); and (iv) human breast milk (in a small sub-group). The aim of the study was to show that the insulin response to the partially hydrolyzed formula is similar to that of an infant formula with intact protein.

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Detailed Description

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Conditions

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To Compare the Metabolic Effects of Different Infant Milks

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

\*\*Note: Human breast milk samples were not blinded for the care provider as they were supplied in different containers to the other milks.

600 ml of infant formula with intact protein

Intervention Type OTHER

Partially hydrolyzed formula

600 ml of infant formula with partially hydrolyzed protein

Intervention Type OTHER

High protein formula

600 ml of infant formula with high protein level

Intervention Type OTHER

Human breast milk

600 ml of breast milk, safe for human consumption

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy males and females aged 20-50 years at time of the enrollment
* Normal body weight. BMI 19-25 kg/m2
* Having obtained his/her signed informed consent

Exclusion Criteria

Chronic or acute diseases affecting metabolism (diabetes, renal insufficiency, CVD, liver disease), dyslipidemia, as checked using the medical questionnaire and based on a biochemical blood analysis (glucose, triglycerides, cholesterol, transaminases and Gamma-GT, CRP in fasting

* Anemia (Erythrocytes \< 4,6 T/l (male) or \< 4,2 T/l (women); Hemoglobin Hb \< 13 g/dl (male) or Hb \< 12 g/dl (women); Hematocrit Ht \< 40% (male) or Ht \< 37% (women); sera iron \< 0,6 mg/l or plasma ferritin \< 120 μg /l (male) or \< 60 μg/l (non menopaused women)
* Recent major surgery (3 months)
* History of cancer within the past year
* Significant weight loss during the last 3 months (more than 5% of BW)
* Regular intensive physical activity of more than 3 times of 45 min per week
* Food allergy, lactose intolerance
* Under chronic medications (except contraceptive pills) Have a regular higher alcohol consumption than 1 drink/day or occasional 1-2 drinks during week end
* Consumption of illicit drugs, as checked by a urinary testing
* Smoking (more than 5 cigarettes a day)
* Women pregnant or lactating
* Special weight reduction program /diet
* Blood donation of at least 300mL during the last 3 months or planned blood donation before the end of the study
* Subject who cannot be expected to comply with the study procedures, including consuming the test products (600 mL of milk within 10 minutes)
* Currently participating or having participated in another clinical trial during the last 4 weeks prior to the beginning of this study

Minimum Eligible Age

20 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes