Effect of I31 Probiotic on Lactose Intolerance
Efficacy of Probiotic I31 on Symptomatic Improvement in Patients With Lactose Intolerance
1 other identifier
interventional
48
1 country
1
Brief Summary
This randomized study evaluates the usefulness of the I31 probiotic formula, against placebo, in the treatment of symptoms of lactose intolerance.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started May 2019
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 13, 2019
CompletedFirst Submitted
Initial submission to the registry
November 11, 2019
CompletedFirst Posted
Study publicly available on registry
November 15, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 10, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2019
CompletedFebruary 11, 2020
February 1, 2020
7 months
November 11, 2019
February 7, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Overall Symptoms Score
Total score of the "Symptoms Questionnaire for Lactose Malabsorption Screening" (Casellas et al. Dig Dis Sci 2009; 54:1059-65). Score ranges 0 to 50, where 50 represents maximum symptoms severity
3 hours (performed after 25 gr lactose challenge, at baseline and after 8 weeks of intervention)
Secondary Outcomes (5)
Abdominal Pain subscore
3 hours (performed after 25 gr lactose challenge, at baseline and after 8 weeks of intervention)
Vomiting subscore
3 hours (performed after 25 gr lactose challenge, at baseline and after 8 weeks of intervention)
Intestinal Sounds subscore
3 hours (performed after 25 gr lactose challenge, at baseline and after 8 weeks of intervention)
Flatulence subscore
3 hours (performed after 25 gr lactose challenge, at baseline and after 8 weeks of intervention)
Lactose Hydrogen Breath Test (LHBT)
3 hours (performed after 25 gr lactose challenge, at baseline and after 8 weeks of intervention)
Study Arms (2)
Placebo
PLACEBO COMPARATORPlacebo treatment (maltodextrin), once daily (u.i.d)
Probiotic
EXPERIMENTALI31 probiotic formula (dietary supplement), consisting of 3 billion cfus of strains P. acidilactici CECT7483, L.plantarum CECT7484 and L.plantarum CECT7485, once daily (u.i.d)
Interventions
I31 probiotic formula (dietary supplement), consisting of 3 billion cfus of strains P. acidilactici CECT7483, L.plantarum CECT7484 and L.plantarum CECT7485, once daily (u.i.d)
Eligibility Criteria
You may qualify if:
- Subjects attending Hospital Juarez de Mexico with self-reported lactose intolerance, a minimum lactose intolerance symptom score of 6 points, 20ppm during the Lactose Hydrogen Breath Test (LHBT) and providing Informed Consent.
You may not qualify if:
- More than 10 ppm before ingestion of lactose in the Lactose Hydrogen Breath Test (LHBT). If such value was observed, the LHBT test was repeated on a 2nd day, and if \>10ppm persisted, patient was excluded.
- BMI below 18 or above 40
- Subjects not accepting to maintain their dietary and physical activity pattern unchanged for the duration of the study
- Subjects with congenital lactase deficiency
- Pregnant or lactating women
- Significant gastrointestinal disease, such as inflammatory bowel disease, coeliac disease, chronic diarrhea or gastroparesis
- History of intestinal perforation
- Substance abuse
- Untreated thyroid disorder
- Cancer
- Other severe diseases that in the doctor's opinion could interfere with the study
- Known allergy to any of the components in the treatments
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hospital Juarez de Mexico
Mexico City, Mexico City, 07760, Mexico
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Nuria Perez Lopez, MD
Hospital Juarez de Mexico
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER GOV
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Digestive Physiology Lab Head
Study Record Dates
First Submitted
November 11, 2019
First Posted
November 15, 2019
Study Start
May 13, 2019
Primary Completion
December 10, 2019
Study Completion
December 31, 2019
Last Updated
February 11, 2020
Record last verified: 2020-02
Data Sharing
- IPD Sharing
- Will not share