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. 2018 Apr 17;2(1):e000256.
doi: 10.1136/bmjpo-2018-000256. eCollection 2018.

Probiotics and the development of very low birthweight infants: follow-up study of a randomised trial

Satsuki Totsu, Masaki Terahara  1 , Satoshi Kusuda  2 ; Probiotics Study Group in Japan
Collaborators, Affiliations

Probiotics and the development of very low birthweight infants: follow-up study of a randomised trial

Satsuki Totsu et al. BMJ Paediatr Open. .

Abstract

Objective: To investigate the effect of Bifidobacterium bifidum OLB6378 on the development of very low birthweight (VLBW) infants at 18 months of corrected age.

Design: Long-term follow-up study of a cluster-randomised, placebo-controlled trial.

Patients: VLBW infants (birth weight <1500 g) born between January 2010 and March 2011 and managed at 19 neonatal intensive care unit facilities assigned to two groups to account for the effect of probiotic cross-contamination within facilities.

Interventions: For VLBW infants, administration of OLB6378 as a probiotic was started within 48 hours of birth and continued until the body weight reached 2000 g.

Main outcome measures: At 18 months of corrected age, physical status and developmental quotient (DQ18) were assessed. The distribution of DQ18 scores was categorised into four levels of development: <70, significant developmental delay; 70-84, moderate developmental delay; 85-99, without developmental delay; ≥100, average development or better.

Results: Among 153 infants assigned to the OLB6378 administration group and 130 assigned to the placebo administration group, 102 and 105 infants, respectively, underwent the 18-month medical examination. The distribution of developmental levels (DQ18 scores <70, 70-84, 85-99 and ≥100) was significantly more favourable for OLB6378 administration (12, 12, 25 and 40 infants, respectively) than for placebo administration (15, 17, 23 and 24 infants, respectively) (ordered logistic regression analysis: partial correlation coefficient, 0.589; P value, 0.038).

Conclusions: Although limited by assessment rates, result suggests that OLB6378 may have a beneficial effect on the psychological development in VLBW infants.

Clinical trial registration: UMIN000002543.

Keywords: bifidobacterium; developmental quotient at 18 months of age; enteral feeding; sex difference.

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Conflict of interest statement

Competing interests: MT is employed by Meiji Co., Ltd.

Figures

Figure 1
Figure 1
Study flow chart. NICU, neonatal intensive care unit.
See this image and copyright information in PMC

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