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RecruitingNCT07342101PROBAGE 2Updated Sep 11, 2026

Evaluating the LGG of on Acute Infectious Diarrhea in Children

An interventional study of LGG and Standart of care in Acute Infectious Diarrhoea in Children, sponsored by Eskisehir Osmangazi University. Recruiting at 3 sites in Turkey (Türkiye). Open to participants aged 2 Years to 10 Years. Per ClinicalTrials.gov, last updated 2026-09-11.

Sponsored by Eskisehir Osmangazi University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Started Jan 2026; still recruiting 10 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
480
Allocation
Randomized
Ages
2 Years to 10 Years
Sex
All
01

Study summary

Acute diarrhea due to infectious causes is a major source of morbidity in the pediatric population.

Although it is generally self-limiting, acute diarrhea may lead to severe dehydration, hospitalization, and, rarely, death, particularly in young children. Numerous studies have investigated the role of probiotics and other microbiota-targeted therapies in improving the clinical course of infectious acute diarrhea.

The first multicenter PROBAGE study conducted in Türkiye 15 years ago provided valuable evidence regarding the efficacy of probiotics in this context. Over the past 15 years, changes in epidemiology-especially in the post-pandemic period-have created a need for new studies evaluating the effectiveness of probiotics in acute diarrhea.

The PROBAGE 2.0.1 study is designed to evaluate the efficacy of Lactobacillus rhamnosus GG in the treatment of acute infectious diarrhea in children in Türkiye. This is a multicenter, prospective, randomized, open-label, controlled clinical trial, to be conducted across seven tertiary care medical centers nationwide. A total of 480 children with acute infectious diarrhea will be enrolled.

At the initial presentation, stool samples will be collected to identify rotavirus, norovirus, and adenovirus as causative pathogens. The treatment group (n = 240) will receive standard of care plus Lactobacillus rhamnosus GG (one sachet twice daily for 5 or 10 days), whereas the control group (n = 240) will receive standard of care alone.

Daily monitoring of stool frequency and consistency will be documented for 10 days, by families for outpatients and by physicians and nurses for hospitalized patients. Provided that sufficient data are obtained, data analysis and publication phases will be completed.

02

Conditions studied

  • Acute Infectious Diarrhoea in Children

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Keywords

  • probiotic
  • diarrhea
  • LGG
03

In context

Diarrhea

877 studies on the registry are indexed under Diarrhea; 76 are open to participants now.

This study's planned enrollment of 480 is above the median of 137 across 738 interventional studies indexed under Diarrhea.

Browse Diarrhea studies →

Lead sponsor

Eskisehir Osmangazi University is the lead sponsor of 153 studies on the registry; 27 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
2 Years to 10 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Children aged 1 month to 10 years presenting with acute infectious diarrhea (for S. boulardii group)
  • Children aged 2 to 10 years presenting with acute infectious diarrhea (other probiotics or synbiotics groups)
  • Onset of diarrhea symptoms within the last 48 hours.
  • Parental/legal guardian consent obtained.

Exclusion criteria

Exclusion Criteria:

  • Use of any probiotics or biotic formulations within the past 8 weeks.
  • Use of antibiotics in the last 8 weeks.
  • Presence of chronic diseases (e.g., diabetes, congenital heart disease, immunodeficiencies).
  • Previous gastrointestinal surgical procedures.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
480 participants (estimated)

Study arms

  • Experimental
    Probiotic

    LGG with standart of care

    Other: LGG · Other: Standart of care

  • Active comparator
    Control

    Standart of care

    Other: Standart of care

Interventions

  • OtherLGG

    Lacticaseibacillus rhamnosus GG 5 billion CFU, twice daily for 6 days

  • OtherStandart of care

    ORS (depends on body weight) and/or intravenous fluids

06

What researchers measure

Primary outcomes

  1. duration of diarrhea

    Mean duration of diarrhea (in days), defined as the time from onset until the return to normal stool consistency and frequency.

    Time frame: 10 days

Secondary outcomes

  1. Proportion of diarrhea cases lasting >5 days

    Time frame: 5 days

07

Study locations

3 of 3 sites recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Started Jan 2026 (actual). Primary completion is estimated for Dec 2026, 11 months after the start.

Of 129 non-industry interventional studies with no phase under Diarrhea, half reached primary completion within 17 months of starting (the median), counting those still running; a quarter within 6 and three quarters within 36. This study's planned 11 months is below that.

Counting every sponsor, half of 164 studies reached it within 14 months; a quarter within 5 and three quarters within 35.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 6, 2026
First posted
Jan 15, 2026
StartActual
Jan 1, 2026
Primary completionEst.
Dec 31, 2026
CompletionEst.
Dec 31, 2027
Last update
Sep 11, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Sep 11, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07342101
Responsible party
Ener Cagri DINLEYICI (Professor in Pediatrics, Eskisehir Osmangazi University) — Principal investigator
First posted
Jan 15, 2026
Start date
Jan 1, 2026
Primary completion
Dec 31, 2026 (estimated)
Completion
Dec 31, 2027 (estimated)
Last update
Sep 11, 2026

Study contacts

Ener C Dinleyici
Contact
enercagri@gmail.com
00902222392979 ext. 2722

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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