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Iron supplementation of breastfed Gambian infants from 6 weeks to 6 months of age: protocol for a randomised controlled trial

Stelle, I, Bah, M, Silverio, SA, Verhoef, H, Comma, E, Prentice, AM, Moore, SE and Cerami, C (2022) Iron supplementation of breastfed Gambian infants from 6 weeks to 6 months of age: protocol for a randomised controlled trial. Wellcome Open Research, 7.

Stelle, Bah, Silverio, et al., (2022) - Iron Babies Protocol - Wellcome Open Research.pdf - Published Version
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Background: A recent analysis showed that plasma iron concentrations decline rapidly from birth in Gambian infants, irrespective of sex or birthweight, to concentrations well below normal expected values for iron-replete children older than two months of age (typically >10 μmol/L). The development and function of neural and immune cells may thus be compromised before the minimum age at which children should receive iron supplementation as per World Health Organisation recommendations.
Methods: This study is a two-arm, double-blind, placebo-controlled, randomised superiority trial. Infants will be randomised to receive iron drops (7.5mg/day of iron as ferrous sulphate) or placebo daily for 98 days, to test the impact on serum iron concentrations in healthy, breastfed infants (n = 100) aged 6-10 weeks at enrolment. Participants will be visited daily and supplemented by the field team. Daily health and weekly breastfeeding questionnaires will be administered. Anthropometry, and venous blood and faecal samples will be collected at enrolment and after 98 days of supplementation with serum iron as the primary endpoint. Low birthweight (less than 2.5kg at birth) and infants born prematurely (< 37 weeks) will not be excluded. Formula-fed and infants with any illness will be excluded. An additional study exploring maternal stakeholder perspectives of the intervention will be conducted by means of maternal interviews and four focus group discussions with local stakeholders.
Discussion: Most breast-fed Gambian infants have very low circulating iron levels by five months of age. This study will introduce iron supplements much earlier in infancy than has previously been attempted in a low-income setting with the primary aim of increasing serum iron concentration.
Trial registration: Clincaltrials.gov (NCT04751994); 12th February 2021

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
R Medicine > RJ Pediatrics
Divisions: Psychology (from Sep 2019)
Publisher: F1000 Research Ltd
SWORD Depositor: A Symplectic
Date Deposited: 17 Jan 2023 12:28
Last Modified: 16 Feb 2023 10:22
DOI or ID number: 10.12688/wellcomeopenres.17507.1
URI: https://researchonline.ljmu.ac.uk/id/eprint/18313
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