NCT05004454

Brief Summary

The primary objective of this study is to investigate the effect of a novel Bacillus subtilis spore preparation on abdominal bloating, flatulence, and burping in healthy adults.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
76

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jul 2021

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 19, 2021

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

July 26, 2021

Completed
18 days until next milestone

First Posted

Study publicly available on registry

August 13, 2021

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 8, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 8, 2021

Completed
Last Updated

January 5, 2023

Status Verified

January 1, 2023

Enrollment Period

4 months

First QC Date

July 26, 2021

Last Update Submit

January 4, 2023

Conditions

Keywords

probioticBacillussubtilisbloating

Outcome Measures

Primary Outcomes (1)

  • Abdominal bloating, flatulence, and/or burping

    Daily, 8-item Gastrointestinal Tolerance Questionnaire

    6 weeks

Secondary Outcomes (11)

  • Composite score of GI symptoms

    6 weeks

  • Individual GI symptoms scores other than abdominal bloating, flatulence, and burping

    6 weeks

  • Bowel function

    6 weeks

  • Biomarkers of gut permeability

    6 weeks

  • Biomarkers of immune health

    6 weeks

  • +6 more secondary outcomes

Study Arms (2)

Bacillus subtilis BS50

EXPERIMENTAL

Subjects will consume 1 capsule containing 2x10⁹ CFU of a Bacillus subtilis BS50 spore preparation once daily for 42 days.

Dietary Supplement: Bacillus subtilis BS50 spore preparation

Placebo

PLACEBO COMPARATOR

Subjects will consume 1 capsule containing maltodextrin once daily for 42 days.

Dietary Supplement: Maltodextrin

Interventions

Subjects will consume 1 capsule containing 2x10⁹ CFU of a Bacillus subtilis BS50 spore preparation once daily for 42 days.

Bacillus subtilis BS50
MaltodextrinDIETARY_SUPPLEMENT

Subjects will consume 1 capsule containing maltodextrin once daily for 42 days.

Placebo

Eligibility Criteria

Age30 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Male or female, 30-65 years of age, inclusive at Visit 1.
  • BMI of 18.0 to 31.9 kg/m², inclusive, at Visit 1.
  • Have ≥3 weekly total symptom score obtained by combining ratings for abdominal bloating, flatulence, and burping from the GITQ.
  • Consumes a typical American diet.

You may not qualify if:

  • Abnormal laboratory test results of clinical significance at Visit 1.
  • Clinically important GI condition that would potentially interfere with the evaluation of the study product.
  • Recent (within 2 weeks of Visit 1) history of an episode of acute GI illness such as nausea/vomiting or diarrhea.
  • Self-reported history (within 6 weeks of Visit 1) of constipation or diarrhea.
  • Uncontrolled and/or clinically important pulmonary (including uncontrolled asthma), cardiac (including, but not limited to, atherosclerotic disease, history of myocardial infarction, peripheral arterial disease, stroke), hepatic, renal, endocrine (including Type 1 and Type 2 diabetes mellitus), hematologic, immunologic, neurologic (such as Alzheimer's or Parkinson's disease), psychiatric (including depression and/or anxiety disorders) or biliary disorders.
  • Uncontrolled hypertension as defined by the blood pressure measured at Visit 1.
  • Have received a COVID vaccine within 2 weeks of Visit 2 or expected to receive a COVID vaccine during the study period.
  • Had a positive SARS-CoV-2 test and experienced symptoms for \>2 months.
  • History or presence of cancer in the prior 2 years, except for non-melanoma skin cancer.
  • Weight loss or gain \>4.5 kg in the 3 months prior to Visit 1.
  • Antibiotic use within 3 months of Visit 1 and throughout the study period.
  • Use of steroids within 1 month of Visit 1 and throughout the study period.
  • Chronic use (i.e., daily on a regular basis) of anti-inflammatory medications (e.g., NSAIDS) within 1 month of Visit 1.
  • Use of medications (over-the-counter or prescription) and/or dietary supplements, known to influence GI function.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Biofortis, Merieux Nutrisciences

Addison, Illinois, 60101, United States

Location

Related Publications (1)

  • Garvey SM, Mah E, Blonquist TM, Kaden VN, Spears JL. The probiotic Bacillus subtilis BS50 decreases gastrointestinal symptoms in healthy adults: a randomized, double-blind, placebo-controlled trial. Gut Microbes. 2022 Jan-Dec;14(1):2122668. doi: 10.1080/19490976.2022.2122668.

MeSH Terms

Interventions

maltodextrin

Study Officials

  • Dawn Beckman, MD

    Biofortis Clinical Research, Inc.

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Bacillus subtilis BS50 and placebo powders will be manufactured in to capsules and provided to the clinic in blindly coded containers. The code was generated by parties not responsible for data collection, analysis, or interpretation.
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 26, 2021

First Posted

August 13, 2021

Study Start

July 19, 2021

Primary Completion

November 8, 2021

Study Completion

November 8, 2021

Last Updated

January 5, 2023

Record last verified: 2023-01

Data Sharing

IPD Sharing
Will not share

Locations