NCT04164394

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
48

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

November 11, 2019

Completed
4 days until next milestone

First Posted

Study publicly available on registry

November 15, 2019

Completed
25 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 10, 2019

Completed
21 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2019

Completed
Last Updated

February 11, 2020

Status Verified

February 1, 2020

Enrollment Period

7 months

First QC Date

November 11, 2019

Last Update Submit

February 7, 2020

Conditions

Keywords

ProbioticDiarrheaAbdominal painFlatulence

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 COMPARATOR

Placebo treatment (maltodextrin), once daily (u.i.d)

Other: Placebo

Probiotic

EXPERIMENTAL

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)

Dietary Supplement: I31 Probiotic

Interventions

PlaceboOTHER

Placebo treatment (maltodextrin), once daily (u.i.d)

Placebo
I31 ProbioticDIETARY_SUPPLEMENT

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)

Probiotic

Eligibility Criteria

Age18 Years - 64 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

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

Location

MeSH Terms

Conditions

Lactose IntoleranceDiarrheaAbdominal PainFlatulence

Condition Hierarchy (Ancestors)

Malabsorption SyndromesIntestinal DiseasesGastrointestinal DiseasesDigestive System DiseasesCarbohydrate Metabolism, Inborn ErrorsMetabolism, Inborn ErrorsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMetabolic DiseasesNutritional and Metabolic DiseasesSigns and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and SymptomsPainNeurologic Manifestations

Study Officials

  • Nuria Perez Lopez, MD

    Hospital Juarez de Mexico

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Allocation is 2:1 to probiotic and placebo arms
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

Locations