Lactoferrin Supplementation to Prevent Late-Onset Sepsis in Preterm Infants: A Meta-Analysis

Abdul Razak1,2, Asif Hussain3

  • 1Division of Neonatology, Department of Pediatrics, King Abdullah bin Abdulaziz University Hospital, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia.

Insights

Lactoferrin supplementation shows promise in reducing late-onset sepsis (LOS) for preterm infants, though evidence quality varies. Further research is recommended to confirm these findings and improve certainty.

Area of Science:

  • Neonatalogy
  • Pediatric Infectious Diseases
  • Nutritional Science

Background:

  • Late-onset sepsis (LOS) is a significant cause of morbidity and mortality in preterm infants.
  • Identifying effective preventive strategies is crucial for improving outcomes in this vulnerable population.

Purpose of the Study:

  • To systematically review and meta-analyze the efficacy of lactoferrin supplementation in preventing LOS in preterm infants.

Main Methods:

  • A comprehensive database search was conducted across PubMed, Web of Science, and Cochrane Central for relevant randomized clinical trials (RCTs).
  • The Cochrane Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology was employed to assess the quality of evidence.

Main Results:

  • Ten RCTs involving 3,679 infants were analyzed.
  • Lactoferrin supplementation, with or without probiotics, significantly decreased the incidence of all LOS (RR: 0.56; 95% CI: 0.36-0.86; low certainty evidence).
  • Lactoferrin supplementation without probiotics also significantly reduced all LOS (RR: 0.43; 95% CI: 0.29-0.62; moderate certainty evidence).
  • No significant reductions were observed for necrotizing enterocolitis, all-cause mortality, bronchopulmonary dysplasia, or threshold retinopathy of prematurity.

Conclusions:

  • Low to moderate quality evidence suggests that lactoferrin supplementation can effectively reduce the incidence of late-onset sepsis in preterm infants.
  • The current evidence base necessitates further high-quality research to strengthen conclusions and guide clinical practice.
Abstract

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