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O-087 Role Of Zinc In Catch-up Growth Of Low-birth Weight Neonates
  1. NE Hassan1,
  2. MA Abdel-Wahed2,
  3. OG Badr Eldin2,
  4. ER Abdel-Hamid3
  1. 1Biological Anthropology, National Research Centre, Giza, Egypt
  2. 2Pediatrics, Ain Shams University Cairo Egypt, Cairo, Egypt
  3. 3Child Health, National Research Centre, Giza, Egypt


Low-birth-weight is a challenging public health problem.

Aim To clarify role of zinc on enhancing fasting catch-up growth of Low-birth-weight and find out a proposed relationship between zinc effect on growth and the main growth hormone mediator, IGF-1.

Methods Study is a double-blind-randomised-placebo-controlled trial conducted on Low-birth-weight-neonates delivered at Ain Shams University Maternity Hospital. It comprised 200 Low-birth-weight-neonates selected from those admitted to NICU. Neonates were randomly allocated into one of the following two groups: group I: Low-birth-weight; AGA or SGA on oral zinc therapy at dose of 10 mg/day; group II: Low-birth-weight; AGA or SGA on placebo at 10 mg/day placebo. Anthropometric measurements were taken including birth weight, length; head, waist, chest, mid-upper arm circumferences, triceps and sub-scapular skin-fold thicknesses.

Results At 12-month-old follow-up visit, mean weight, Length; head (HC), waist, chest, mid-upper arm circumferences and triceps; also, infant’s proportions had values ≥ 10 th% for weight, length and HC were significantly higher among infants of group I when compared to those of group II. Oral zinc therapy was associated with 24.88%, 25.98% and 19.6% higher proportion of values ≥ 10 th% regarding weight, length and HC at 12-month-old visit, respectively [NNT = 4, 4 and 5, respectively]. Median IGF-1 levels measured at 6 months were significantly higher in group I compared to group II [median (range): 90 (19–130) ng/ml vs. 74 (21–130) ng/ml), respectively, p = 0.023].

Conclusion Oral zinc therapy in low-birth-weight neonates was associated with significantly more catch-up growth at 12-months-old and significantly higher serum IGF-1 at 6-month-old.

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