En un estudio realizado en Finlandia se dividieron 159 madres que presentaban como antecedentes un pariente de primer grado con eczema atopico, rinitis alérgica o asma, para recibir diariamente placebo o cápsulas de lactobacilo GG. Este tratamiento se realizó de 2 a 4 semanas antes de la fecha probable del parto y continuó por 6 meses post parto.
Los resultados mostraron que los niños que habían recibido estos probióticos presentaron una incidencia menor de eczema atópico en comparación con el grupo placebo (23.5 contra 46%)
Los investigadores concluyen planteando que los resultados sugieren que la microflora intestinal tiene propiedades inmunomoduladoras endógenas.
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