Immune System Support
Conditions
Brief summary
Healthy preschool children will be recruited, gastrointestinal infection and respiratory infection symptoms will be followed during the 8-week treatment and 4-week follow-up period, to evaluate the effect of the used probiotic formula on immune system in comparison to the group using placebo.
Interventions
Probiotic Formula Bacillus subtilis DE111®, 1 billion colony forming units (CFU) per day for 8 weeks
Placebo comparator, once a day for 8 weeks
Sponsors
Study design
Eligibility
Inclusion criteria
* signed informed consent by at least one parent or legal guardian * children aged 2 to 6 years * attending or about to start attending day-care
Exclusion criteria
* body weight at birth \<2500g * gestational age \<37 weeks * severe chronic illness * regular use of medication * immunodeficiency * parent or legal guardian not able to understand and comply with requirements of the study
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| The incidence of gastrointestinal and/or respiratory infections for experimental group compared to control group | 12-week study period (consisting of 8-week treatment plus 4-week follow-up) | Number of participants with at least one occurrence of gastrointestinal and/or respiratory infections during 12-week study period in the experimental group compared to control group. |
| The incidence of adverse events occuring in the experimental group compared to control group | 12-week study period (consisting of 8-week treatment plus 4-week follow-up) | Number of participants with treatment related adverse events during 12-week study period for both, experimental and control group. |
Countries
Slovenia