80
Participants
Start Date
September 1, 2018
Primary Completion Date
September 10, 2019
Study Completion Date
December 10, 2019
Probiotic
Multispecies probiotic mixture administered to patients according to the randomization list
Maltodextrin
Maltodextrin as placebo
The Children's Memorial Health Institute, Warsaw
Medical University of Lublin
OTHER
Children's Memorial Health Institute, Poland
OTHER