Gastric Layering and Monitoring II (GLAM-II)

  • participants needed
  • sponsor
    Wageningen University
Updated on 19 August 2022
Accepts healthy volunteers


Rationale: Results from a previous study suggest that gastric layer formation, which is caused by emulsion instability as a result of gastric acidification/digestion, is different between breastmilk and infant formula. The current study focusses on further understanding of these differences by investigating the effect of formula composition.

Objective: To investigate the effect of infant formula composition on intragastric behavior, gastric emptying and postprandial plasma parameters.

Study design: Double-blind cross-over study with two treatments.

Study population: 20 healthy normal-weight males, aged 18-45 y.

Intervention: After an overnight fast, participants will drink sufficient volume of one of the two IFs which differ in composition. Gastric content will be monitored using Magnetic Resonance Imaging (MRI). MRI scans will be done and blood samples will be taken for subsequent analyses at baseline and post prandially .

Main study parameters/endpoints: The primary outcome is gastric behavior. Secondary outcomes are total gastric content volume over time and blood parameters.

Nature and extent of the burden and risks associated with participation, benefit and group relatedness: The risks associated with participation are low, as both phlebotomy and MRI are eminently safe medical techniques. In addition, the test formula are safe. Each participant will participate in 2 sessions, which require an overnight fast, 9 blood withdrawals (in total 120 mL per visit) and multiple MRI scans over a period of approximately 2 hours. These measurements are non-invasive and carry minimal risk. The burden of the sessions is most likely related to mild discomfort as they have to lie still in the MRI for two hours. This will be minimized by the soft mattress on the bed of the MRI, leg rest and a pillow underneath the head.

Condition Infant Formula
Treatment Infant Formula
Clinical Study IdentifierNCT05224947
SponsorWageningen University
Last Modified on19 August 2022

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