NCT02693314

Brief Summary

The purpose of this study is to determine the effects of the two doses of Jarro-Dophilus EPS® probiotic supplements on fecal lactobacillus and bifidobacteria numbers, transit survival of administered probiotic strains, fecal microbiota, gastrointestinal function and general wellbeing in healthy human adults.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
75

participants targeted

Target at P75+ for not_applicable healthy

Timeline
Completed

Started Mar 2016

Shorter than P25 for not_applicable healthy

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 17, 2016

Completed
9 days until next milestone

First Posted

Study publicly available on registry

February 26, 2016

Completed
4 days until next milestone

Study Start

First participant enrolled

March 1, 2016

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2016

Completed
Last Updated

March 23, 2018

Status Verified

March 1, 2018

Enrollment Period

1 month

First QC Date

February 17, 2016

Last Update Submit

March 21, 2018

Conditions

Keywords

Jarro-Dophilusprobioticmicrobiotagastrointestinal

Outcome Measures

Primary Outcomes (1)

  • Microbiota Studies (Composition)

    Changes in fecal lactobacilli and bifidobacteria between treatment groups.

    Changes from Baseline, Week 4 of Treatment and Week 5

Secondary Outcomes (5)

  • Digestive Health (Bowel Movement Frequency)

    Changes from Baseline at Week 1,2,3,4 and Week 5

  • Digestive Health (Gastrointestinal Symptom Rating Scale)

    Changes from Baseline at Week 1,2,3,4 and Week 5

  • Digestive Health (Gastrointestinal Function and General Wellness)

    Changes from Baseline at Week 1,2,3,4 and Week 5

  • Microbiota Studies (Recovery)

    Changes from Baseline, Week 4 of Treatment and Week 5

  • Microbiota Studies (Overall Composition)

    Changes from Baseline, Week 4 of Treatment and Week 5

Study Arms (3)

Jarro-Dophilus EPS® Group

EXPERIMENTAL

Jarro-Dophilus EPS® (5 billion CFU/capsule) probiotic formulation capsule for 28 days

Dietary Supplement: Jarro-Dophilus EPS® (5 billion CFU/capsule)

Jarro-Dophilus EPS® High Potency Group

EXPERIMENTAL

Jarro-Dophilus EPS® High Potency (25 billion CFU/capsule) probiotic formulation capsule for 28 days

Dietary Supplement: Jarro-Dophilus EPS® High Potency (25 billion CFU/capsule)

Placebo Group

PLACEBO COMPARATOR

Placebo capsule for 28 days

Dietary Supplement: Placebo

Interventions

One capsule containing 5 billion CFU of the probiotic mix (Lactobacillus helveticus, Lactobacillus rhamnosus, Lactobacillus casei, Pediococcus acidilactici, Bifidobacteria breve, Bifidobacteria longum, Lactobacillus plantarum and Lactobacillus lactis ssp. lactis) will be taken once a day for a period of 28 days.

Jarro-Dophilus EPS® Group

One capsule containing 25 billion CFU of the probiotic mix (Lactobacillus helveticus, Lactobacillus rhamnosus, Lactobacillus casei, Pediococcus acidilactici, Bifidobacteria breve, Bifidobacteria longum, Lactobacillus plantarum and Lactobacillus lactis ssp. lactis) will be taken once a day for a period of 28 days.

Jarro-Dophilus EPS® High Potency Group
PlaceboDIETARY_SUPPLEMENT

One capsule (containing potato starch, magnesium stearate and ascorbic acid) will be taken once a day for a period of 28 days.

Placebo Group

Eligibility Criteria

Age18 Years - 50 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • To participate in the study you must
  • be between18-50 years of age
  • be willing to have your height and weight measured and provide demographic information
  • be willing to consume a probiotic or placebo capsule daily for 4 weeks
  • be willing to provide 3 stool samples during the study
  • be willing to complete a daily questionnaires regarding general and gastrointestinal wellness and the Gastrointestinal Symptom Rating Scale weekly throughout the entire 6-wk study
  • have daily access to a computer with Internet access for the entire 6-wk study
  • be willing and able to provide a valid social security for study payment purposes
  • be willing and able to provide a valid social security for study payment purposes
  • be willing to complete the International Physical Activity Questionnaire (asks you to report physical activity including intensity, duration and frequency)

You may not qualify if:

  • To participate in the study you must NOT
  • be currently taking medications for constipation or diarrhea
  • have previously or are you currently being treated for any diseases or illnesses such as gastrointestinal disease (gastric ulcers, Crohn's, Celiac, ulcerative colitis, etc.), other chronic diseases (diabetes, kidney disease, etc.) or immune-compromising diseases or conditions (HIV, AIDS, autoimmune, hepatitis, cancer, transplant patient etc.)
  • have any known allergy to milk, milk protein, soy, gluten or have gluten sensitivity
  • have taken antibiotics within the past 4 weeks prior to randomization
  • be currently taking a probiotic supplement and are unwilling to discontinue it a minimum of 2 weeks prior to the study start
  • be a current smoker.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Food Science and Human Nutrition Department, University of Florida

Gainesville, Florida, 32611, United States

Location

Study Officials

  • Wendy J Dahl, PhD, RD

    University of Florida

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 17, 2016

First Posted

February 26, 2016

Study Start

March 1, 2016

Primary Completion

April 1, 2016

Study Completion

April 1, 2016

Last Updated

March 23, 2018

Record last verified: 2018-03

Locations