NCT03832439

Brief Summary

The investigators are trying to better understand how bariatric surgery leads to weight loss, and the role of bacteria that live in the gut in making this happen.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
18

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jan 2019

Typical duration 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

January 17, 2019

Completed
18 days until next milestone

First Submitted

Initial submission to the registry

February 4, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 6, 2019

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 28, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 28, 2021

Completed
Last Updated

February 21, 2022

Status Verified

February 1, 2022

Enrollment Period

2.3 years

First QC Date

February 4, 2019

Last Update Submit

February 18, 2022

Conditions

Keywords

ProbioticMicrobiome

Outcome Measures

Primary Outcomes (2)

  • Weight loss

    Change in body weight from baseline to 3 months

    3 months

  • Visceral fat loss

    Change in visceral fat from baseline to 3 months

    3 months

Study Arms (2)

Probiotic

ACTIVE COMPARATOR

This arm will be receiving probiotic supplements.

Dietary Supplement: Probiotic

Placebo

PLACEBO COMPARATOR

This arm will be receiving placebo containing microcrystalline cellulose.

Dietary Supplement: microcrystalline cellulose

Interventions

ProbioticDIETARY_SUPPLEMENT

Lactobacillus rhamnosus GG 10 billion cells and microcrystalline cellulose

Also known as: Culturelle®
Probiotic
microcrystalline celluloseDIETARY_SUPPLEMENT

Placebo

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • All subjects who are \> 18 and \< 65 years of age recruited from the Mayo Clinic bariatric surgery clinic
  • Will also meet one of the National Institute of Health's criteria for bariatric surgery, i.e. body mass index (BMI) \> 40 kg/m2 or BMI \> 35 kg/m2 with significant weight-related comorbidities.
  • Patients will be eligible if they are not on chronic antibiotic therapy and without active systemic illness.

You may not qualify if:

  • Patients with type 1 or 2 diabetes will be excluded due to the known pre-existing changes in the gut microbiome in this population. All patients will not have had exposure to probiotics, prebiotics or antibiotics in the preceding 4 weeks.
  • Patients with allergy to antibiotics precluding the use of standard peri-operative antibiotics (cefazolin and metronidazole) will be excluded.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Mayo Clinic

Rochester, Minnesota, 55905, United States

Location

Related Links

MeSH Terms

Interventions

Probioticsmicrocrystalline cellulose

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Meera Shah, M.B., Ch.B

    Mayo Clinic

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

February 4, 2019

First Posted

February 6, 2019

Study Start

January 17, 2019

Primary Completion

April 28, 2021

Study Completion

April 28, 2021

Last Updated

February 21, 2022

Record last verified: 2022-02

Data Sharing

IPD Sharing
Will not share

Locations