NCT02261831

Brief Summary

The investigators will compare 16sRDNA profile in cases and controls in order to identify bacteria associated with metabolic diseases that reside both in intestinal crypts and in blood.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
99

participants targeted

Target at P50-P75 for not_applicable obesity

Timeline
Completed

Started Feb 2014

Longer than P75 for not_applicable obesity

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

February 1, 2014

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

July 22, 2014

Completed
3 months until next milestone

First Posted

Study publicly available on registry

October 10, 2014

Completed
3.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2017

Completed
Last Updated

December 3, 2018

Status Verified

November 1, 2018

Enrollment Period

3.8 years

First QC Date

July 22, 2014

Last Update Submit

November 29, 2018

Conditions

Keywords

bacterialguttype 2 diabetes.16S rDNA geneintestinal crypt

Outcome Measures

Primary Outcomes (1)

  • rDNA comparison between cases and controls

    Comparison of 16sRDNA profile in cases and controls in order to identify bacteria associated with metabolic diseases that reside both in intestinal crypts and in blood.

    36 months

Study Arms (4)

obese patients

EXPERIMENTAL

Total blood sample, and 4 biopsies : collection of 2 colonic and 2 ileal biopsies

Other: obese patients

Diabetic patients

EXPERIMENTAL

Total blood sample, and 4 biopsies : collection of 2 colonic and 2 ileal biopsies

Other: diabetic patients

Patients free of obesity and diabetes

EXPERIMENTAL

Total blood sample, and 4 biopsies : collection of 2 colonic and 2 ileal biopsies

Other: patients free of obesity and diabetes

patients free type 2 diabetes.

EXPERIMENTAL

Total blood sample, and 4 biopsies : collection of 2 colonic and 2 ileal biopsies

Other: patients free type 2 diabetes

Interventions

collection of blood sampling and biopsies

obese patients

collection of blood sampling and biopsies

Diabetic patients

collection of blood sampling and biopsies

Patients free of obesity and diabetes

collection of blood sampling and biopsies

patients free type 2 diabetes.

Eligibility Criteria

Age35 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Between 35 and 75 years old
  • Colonoscopy and biopsies required
  • Diabetes population:
  • Type 2 diabetes
  • Obese population:
  • Android obesity

You may not qualify if:

  • Inflammatory bowel disease
  • Colonic cancer
  • Bariatric surgery
  • Previous administration of antibiotic (within 15 days)
  • Pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospital of Toulouse

Toulouse, 31 052, France

Location

MeSH Terms

Conditions

ObesityDiabetes Mellitus, Type 2

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsDiabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesEndocrine System Diseases

Study Officials

  • Jacques AMAR, MD PhD

    University Hospital, Toulouse

    STUDY DIRECTOR
  • Jacques Moreau, MD

    University Hospital, Toulouse

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 22, 2014

First Posted

October 10, 2014

Study Start

February 1, 2014

Primary Completion

December 1, 2017

Study Completion

December 1, 2017

Last Updated

December 3, 2018

Record last verified: 2018-11

Locations