Oral bacteriotherapy in children with recurrent respiratory infections: a real-life study

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Vincenzo Tarantino
Valentina Savaia
Roberto D'Agostino
Valerio Damiani
Giorgio Ciprandi

Keywords

recurrent respiratory infections, bacteriotherapy, Streptococcus salivarius 24SMB, Streptococcus oralis89a, oral spray, children

Abstract

Children with recurrent respiratory infections (RRI) represent a social issue for the economic burden and the familiar negative impact. Bacteriotherapy, such as the administration of “good” bacteria, is a new therapeutic strategy that could be potentially effective in preventing infections. The current study tested the hypothesis of preventing RRI by oral Bacteriotherapy in a real-life setting. This open study was conducted in an outpatient clinic, enrolling 51 children (27 males, mean age 4.8 ± 2.6 years) suffering from RRI. Children were treated with an oral spray, containing Streptococcus salivarius 24SMB and Streptococcus oralis89a (125 x 109 CFU/g), 2 puffs per os once/day for 30 consecutive days; this course was repeated for 3 months. The evaluated parameters were: RI number and school absences reported in the current year; these outcomes were compared with those recorded in the past year. The mean number of RI significantly diminished: from 5.17 (2.30) in the past year to 2.25 (2.43) after the treatment (p<0.0001). The mean number of school absences significantly diminished (from 3.35 to 1.86; p<0.0001). In conclusion, this real-life study suggests that oral Bacteriotherapy with Streptococcus salivarius 24SMB and Streptococcus oralis89a could efficaciously and safely prevent RRI in children.

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