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PRObiotics and SYNbiotics to improve gut health and growth in infants in western Kenya (PROSYNK Trial): Study protocol for a 4-arm, open-label, randomised, controlled trial

Otiti, Mary, Kariuki, Simon, Wang, Duolao ORCID: https://orcid.org/0000-0003-2788-2464, Hall, Lindsay J, terKuile, Feiko ORCID: https://orcid.org/0000-0003-3663-5617 and Allen, Stephen ORCID: https://orcid.org/0000-0001-6675-249X (2022) 'PRObiotics and SYNbiotics to improve gut health and growth in infants in western Kenya (PROSYNK Trial): Study protocol for a 4-arm, open-label, randomised, controlled trial'. Trials, Vol 23, e284.

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Abstract

Background
Malnutrition amongst under-fives remains common in resource-poor countries and is resistant to current interventions. New opportunities have emerged to target “environmental enteric dysfunction” (EED) that refers to the abnormal gut structure and function that compromises nutrition and growth in early life. EED results from colonisation of the gut with pathogenic microbes. Although the gut microbiome may provide a defence against ingested gut pathogens through colonisation resistance, its development is adversely affected by multiple environmental factors. Dietary supplements of pro- or synbiotics may build the resilience of the gut microbiome against these environmental factors and boost colonisation resistance. We aim to assess whether dietary supplementation of newborns in rural Kenya with pro/synbiotics prevents or ameliorates EED and improves growth.

Methods
Six hundred newborns less than four days old will be recruited from Homa Bay County Teaching and Referral Hospital, western Kenya. Newborns will be randomly allocated, stratified by HIV exposure, in a 1:1:1:1 ratio to one of 4 study arms to receive either of two synbiotics, a probiotic or no supplement. Supplements will be given daily for ten
days and then weekly until six months of age. Participants will be followed until the age of two years. The primary outcome is systemic inflammation at six months assessed by plasma alpha-1-acid glycoprotein. Secondary outcomes include biomarkers of gut health and growth, anthropometric indices, morbidity and mortality.

Discussion
As dietary supplements with pro- or synbiotics may improve gut health and can be administered in early life, our findings may inform the package of interventions to prevent malnutrition and improve growth in Africa and similar low-resource settings.

Item Type: Article
Subjects: QU Biochemistry > Vitamins > QU 145 Nutrition. Nutritional requirements
WS Pediatrics > Child Care. Nutrition. Physical Examination > WS 115 Nutritional requirements. Nutrition disorders
WS Pediatrics > By Age Groups > WS 430 Infancy
Faculty: Department: Clinical Sciences & International Health > Clinical Sciences Department
Digital Object Identifer (DOI): https://doi.org/10.1186/s13063-022-06211-1
Depositing User: Helen Wong
Date Deposited: 21 Apr 2022 12:58
Last Modified: 21 Apr 2022 12:58
URI: https://archive.lstmed.ac.uk/id/eprint/20185

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