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Fecal Recovery of the Probiotic Bacteria Lactobacillus Rhamnosus GG (LGG) and Bifidobacterium Animalis Subspecies Lactis BB-12 (BB-12) in Healthy Humans Following Daily Consumption of a Probiotic Supplement

Phase 4
Completed
Conditions
Fecal Analysis
Interventions
Dietary Supplement: ProNutrients Probiotic
Registration Number
NCT01757054
Lead Sponsor
Pfizer
Brief Summary

The main hypothesis of this study is that there will be a significant increase of Lactobacillus rhamnosus GG (LGG) and Bifidobacterium lactis (BB-12) in the stool of healthy humans following daily consumption of a probiotic supplement containing these specific strains of probiotic bacteria.

Detailed Description

To demonstrate recovery of live probiotic bacteria in the stool.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
27
Inclusion Criteria

Are between 18-70 years of age. Have regular bowel movements. Are willing and able to attend study visits, undergo limited blood and urine testing, take the nutritional supplement according to the instructions provided.

Are willing to collect four stool specimens and bring them to the study site.

Exclusion Criteria

Are unwilling to follow the dietary guidelines of the study. Are lactose-intolerant or have allergies to milk or wheat. Have had drug or alcohol problems within the previous year. Are or plan to become pregnant over the next 3 months.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Probiotic groupProNutrients Probiotic-
Primary Outcome Measures
NameTimeMethod
Change in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR at baseline and 3 weeksBaseline, 3 weeks

Pre- to post-supplementation changes in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR

Secondary Outcome Measures
NameTimeMethod
Change in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR at baseline and 2 weeksBaseline, 2 weeks

Pre- to post-supplementation changes in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR

Change in fecal concentration of both LGG and BB-12 by quantitative PCR (qPCR) at baseline and 3 weeksBaseline, 3 weeks

Pre- to post-supplementation changes in fecal concentration of both LGG and BB-12 by quantitative PCR (qPCR)

Change in fecal concentration of both LGG and BB-12 by quantitative PCR (qPCR) at baseline and 2 weeksBaseline, 2 weeks

Pre- to post-supplementation changes in fecal concentration of both LGG and BB-12 by quantitative PCR (qPCR)

Change in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR and qPCR in probiotic compared to control group at baseline and 3 weeksBaseline, 3 weeks

Pre- to post-supplementation changes in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR and qPCR in probiotic compared to control group

Change in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR and qPCR in probiotic compared to control group at baseline and 2 weeksBaseline, 2 weeks

Pre- to post-supplementation changes in fecal concentration of both LGG and BB-12 by quantitative culture with confirmatory PCR and qPCR in probiotic compared to control group

Change in fecal concentration of LGG and BB-12 by both quantitative culture with confirmatory PCR and qPCR at baseline, 3 weeks, and 28 days post supplementationBaseline, 3 weeks, 28 days follow up

Post-supplementation fecal concentration of LGG and BB-12 by both quantitative culture with confirmatory PCR and qPCR compared to baseline and 3 week supplementation values

Trial Locations

Locations (1)

Pfizer Investigational Site

🇺🇸

Boston, Massachusetts, United States

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