SuplementaÃÃo de alanil-glutamina em crianÃas de uma comunidade carente de Fortaleza-CE: impacto sobre a barreira intestinal e o estado nutricional infantil / Oral supplementation of alanyl-glutamine in children on a poor community at Fortaleza-CE : impact on intestinal barrier function and nutritional status

AUTOR(ES)

NoÃlia Leal Lima

DATA DE PUBLICAÇÃO

2006

RESUMO

Introduction: In spite of the recognition of alterations in intestinal barrier function associated with malnutrition and the trophic effects of alanyl-glutamine (AG) on intestinal barrier function, measured by the rate of urinary excretion of Lactulose:Manitol, there are still few studies determining the effect of oral supplementation of AG in malnourished children. Objectives: Examine the effect of oral AG supplementation or the placebo Glycine (G) on intestinal barrier function and growth in children who are at risk for malnutrition and are residents of the University Park of Pici community. Methods: Double blind randomized study in children between 6 months and 8 years of age, with at least one of the z scores for the anthropometrical indicators (AIs) (weight-for-age, height-for-age, and weight-for-height) less than minus one. One hundred and seven children were randomized between July 2003 and November 2004, to receive AG (24 g/day) or G (25 g/day) in iso-nitrogenic quantities for 10 days. The urinary excretion of Lactulose:Mannitol was used as a measure of intestinal permeability, and was performed on the first and tenth days of the study protocol. The weight and height of the children were collected on the 1, 10, 30, and 120 days of the study protocol to calculate the AIs. Results: The percentage of urinary excretion of Lactulose decreased significantly in the group that received AG (p <0.05 Student T test), but not in the group that received G. The cumulative improvement in the Anthropometrical Indicators, weight-for-height and weight-for-age on the 120 day of the study protocol were significant when covariant analysis was performed in the group which received AG versus the control group G (p <0.04 and <0.029, respectively). During the study period a total of 20 (19%) Adverse Events (AEs) were observed in the following order of frequency: vomiting (8.4%), diarrhea (2.8%), nausea (1.9%), respiratory infection (1.9%), scabies (1.9%), asthma (0.9%), epistaxis (0.9%). The AEs were not statistical different between the study groups, and only three of the AEs were considered Serious Adverse Events (SEAs), two in the AG group (1 asthma and 1 diarrhea) and one in the G group (1 diarrhea). Conclusions: The oral supplementation of AG for 10 days improved intestinal permeability and nutritional status in children at risk for malnutrition in a Fortaleza community

ASSUNTO(S)

glutamina alanil-glutamina glutamina nanismo nutricional wasting and stunting permeabilidade permeabilidade intestinal malnutrition farmacologia alanyl-glutamine intestinal barrier function emagrecimento e nanismo desnutriÃÃo nanismo sÃndrome de emaciaÃÃo

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