NCT03756623

Brief Summary

This clinical trial is designed to evaluate the alteration of gut microbiome in healthy subjects after a 12-week metformin and/or probiotics administration.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
90

participants targeted

Target at P75+ for not_applicable healthy

Timeline
Completed

Started Jun 2018

Typical duration 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

Study Start

First participant enrolled

June 1, 2018

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

November 27, 2018

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 28, 2018

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2019

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2019

Completed
Last Updated

August 21, 2019

Status Verified

August 1, 2019

Enrollment Period

10 months

First QC Date

November 27, 2018

Last Update Submit

August 19, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Gut microbiota alterations

    Gut microbiota composition and function will be assessed before and after study.

    12 weeks

Study Arms (3)

Drug: Metformin powder

EXPERIMENTAL

0.5g of Metformin powder administered three times a day orally before meal

Drug: Metformin powder

Drug: Probiotics powder

EXPERIMENTAL

0.5g of Probiotics powder administered three times a day orally before meal

Drug: Probiotics powder

Drug: Placebo powder

PLACEBO COMPARATOR

0.5g of Placebo powder administered three times a day orally before meal

Other: Placebo powder

Interventions

0.5g of Metformin powder administered three times a day orally before meal

Drug: Metformin powder

0.5g of Probiotics powder administered three times a day orally before meal

Drug: Probiotics powder

0.5g of Placebo powder administered three times a day orally before meal

Drug: Placebo powder

Eligibility Criteria

Age20 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Between 20-60 years of age.
  • Healthy subjects without known diseases.

You may not qualify if:

  • During pregnancy and lactation period.
  • Impaired liver function, impaired renal function, mental disease, severe infection, severe anemia, severe heart disease and neutropenia disease.
  • Use of metformin/antibiotics within 3 months.
  • Immunodeficient or use of immunosuppressive drugs.
  • Previous history of gastrointestinal surgery or diseases (such as peptic ulcer, irritable bowel syndrome, inflammatory bowel disease or other gastrointestinal disorder).
  • Medical conditions or diseases that may affect subject safety or confound study results in the opinion of the investigator.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

Nanjing, Jiangsu, 210008, China

Location

Study Officials

  • Mingming Zhang, MD,PhD

    Drum Tower hospital affiliated to Nanjing University Medical School

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Physician

Study Record Dates

First Submitted

November 27, 2018

First Posted

November 28, 2018

Study Start

June 1, 2018

Primary Completion

March 31, 2019

Study Completion

June 30, 2019

Last Updated

August 21, 2019

Record last verified: 2019-08

Locations