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. 2019 Mar 13;2019(3):CD012473. doi: 10.1002/14651858.CD012473.pub2

Indrio 2014.

Methods Study design: prospective, multi‐centre, double‐blind, placebo‐controlled, randomised clinical trial
Unit: 9 paediatric units
Location: Italy
Setting: outpatients
Participants Sample size: 554 neonates
Number of dropouts/withdrawals: 86 (38 = intervention; 48 = control)
Age: 39 weeks' gestational age
Inclusion criteria: gestational age > 37 to < 41 weeks, age < 1 weeks on entry into the study, birth weight adequate for gestational age, APGAR score > 10 at 10 minutes, no congenital disorders or clinical or physical alterations at clinical examination, and no antibiotic or probiotic administration before inclusion
Exclusion criteria: those not meeting the above inclusion criteria
Interventions Intervention (n = 238): 5 drops/day of L reuteri DSM 17938 at dose of 1 × 108 CFU/day, suspended in oil in a bottle with a dropper cap, given to neonates every day for 90 days
Control (n = 230): identical formulation of oils supplied in an identical bottle
Duration of intervention: 90 days
Outcomes Primary outcomes: reduction of daily crying time, regurgitation and constipation during the first 3 months of life
Secondary outcomes: cost–benefit analysis of the probiotic supplementation with number of primary paediatrician visits; feeding changes; hospitalisations; access to a paediatric emergency department; loss of parental working days; and use of simethicone, cimetropium bromide and natural or herbal products to control gastrointestinal symptoms
Timings of measurements: 3 months
Notes Study start date: September 2010
Study end date: October 2012
Declared DOI: none
Perceived DOI: none
Funding source: supported by BioGaia, who make the product used in the study.
Clinical trials record:NCT01235884
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk Quote: "an independent statistician generated the random allocation sequence."
Allocation concealment (selection bias) Low risk Comment: not mentioned. We contacted the study author, through the interventional agent supplier, who confirmed central allocation concealment.
Blinding of participants and personnel (performance bias) 
 All outcomes Low risk Quote: "the study personnel, health care workers, and parents were masked to the study group allocation."
Blinding of outcome assessment (detection bias) 
 All outcomes Low risk Quote: "Parents and investigators were masked to the intervention."
Incomplete outcome data (attrition bias) 
 All outcomes Low risk Comment: none noted
Selective reporting (reporting bias) Low risk Comment: none noted
Other bias High risk Comment: supported by BioGaia who make the product.