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A summary of the iodine supplementation study protocol (I2S2): a UK multicentre randomised controlled trial in

Fiona Williams1, Robert Hume, Simon Ogston

  • 1Population Health Sciences, Medical Research Institute, University of Dundee, Dundee, UK.

Neonatology
|March 1, 2014
PubMed

Insights

This study investigated if iodine supplementation improves neurodevelopment in preterm infants. Researchers aimed to determine if addressing iodine deficiency in parenteral nutrition benefits infant brain development.

Area of Science:

  • Neonatal Medicine
  • Nutritional Science
  • Developmental Neuroscience

Background:

  • Iodine is crucial for thyroxine synthesis, essential for fetal and early childhood brain development.
  • Preterm infants often receive prolonged parenteral nutrition, increasing risk of iodine deficiency.
  • Standard parenteral nutrition solutions may not provide adequate iodine, leading to potential insufficiency.

Purpose of the Study:

  • To outline the protocol for a randomized controlled trial (I2S2 Trial) on iodine supplementation in preterm infants.
  • To assess the impact of iodine supplementation on neurodevelopmental outcomes in this vulnerable population.

Main Methods:

  • A randomized controlled trial (I2S2 Trial) protocol is summarized.
  • The study focuses on preterm infants receiving parenteral nutrition.

Main Results:

  • This section details the study protocol, not yet the results.
  • The trial is designed to collect data on neurodevelopmental benefits.

Conclusions:

  • The I2S2 Trial aims to provide evidence on the necessity of iodine supplementation for preterm infants.
  • Understanding iodine's role in neurodevelopment is critical for optimizing infant nutrition.

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