- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03636243
Comparative Evaluation of the Evolution of Arterial and Microcirculatory Endothelial Function in Obese Patients With Type-2 Diabetes Versus Non-diabetic Obese Patients After a First Bariatric Surgery (BariVaDia)
January 8, 2024 updated by: Centre Hospitalier Universitaire de Nīmes
The weight reduction obtained after a first bariatric surgery would improve the vascular (correction of endothelial dysfunction, improvement of arterial wall compliance and evolution of the atherothrombotic process) and microcirculatory function in obese patients with type-2 diabetes.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
- Biological: Vascularly biological assessment
- Biological: Analysis of vasomotor endothelial function
- Biological: Analysis of arterial compliance
- Biological: Exploration of microcirculation
- Biological: Venous Doppler Ultrasound
- Biological: Arterial pressure measurement
- Biological: Intima-Media Thickness measurement
- Biological: Exploration of neuropathy
- Behavioral: level of physical activity
- Other: thoracic scanner
Study Type
Interventional
Enrollment (Estimated)
36
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Antonia PEREZ-MARTIN, Pr
- Phone Number: +33(0)4.66.68.33.13
- Email: antonia.perez.martin@chu-nimes.fr
Study Locations
-
-
-
Nîmes, France, 30029
- Recruiting
- Chu Nimes
-
Sub-Investigator:
- Anne-Marie Guedj, MD
-
Contact:
- Anissa Megzari
- Phone Number: 04.66.68.30.52
- Email: drc@chu-nimes.fr
-
Sub-Investigator:
- Véronique TAILLARD, MD
-
Sub-Investigator:
- Jean-Christophe GRIS, MD
-
Sub-Investigator:
- Sylvie BOUVIER, MD
-
Sub-Investigator:
- Ion DONICI, MD
-
Sub-Investigator:
- Isabelle AICHOUN, MD
-
Sub-Investigator:
- Sarah COUDRAY, MD
-
Sub-Investigator:
- Jérémy LAURENT, MD
-
Sub-Investigator:
- Michel PRUDHOMME, MD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 70 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- The patient is at least 18 years old and under 70 years old
- The patient is available for a follow-up of 12 months
- The patient signed the consent form
- The patient must be affiliated or beneficiary to an health care plan
- The patient is followed in hospital day care in the endocrine and metabolic disorders department at Nimes University Hospital for a first bariatric surgery
Exclusion Criteria:
- The subject participates in another interventional study.
- The subject is in an exclusion period determined by a previous study.
- The subject is under the protection of justice, guardianship or curatorship.
- The subject refuses to sign the consent.
- It is not possible to give the subject informed information.
- The patient is pregnant or breastfeeding.
- Subject with known advanced atherothrombotic disease (arterial disease of the lower limbs, significant carotid plaque (generating stenosis> 50%), history of myocardial infarction, stroke)
- The subject is type 1 diabetic.
- The subject has already had a bariatric surgery.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Group of obese patients with type-2 diabetes
|
22.5 ml of blood will be collected at day -15, month 3 and month 12.
Evaluation of the peripheral endothelial function by digital tonometry using the 'EndoPATTM2000' system [Itamar Medical Ltd., Caeserea, Israel] before and after induction of post occlusive reactive hyperemia at day -15, month 3 and month 12.
Evaluation of the aortic pulse wave velocity in the aortofemoral segment or in the periphery (on the arm-ankle segment) by calculation of central aortic pressure (CAP) using the tonometric system 'Complior ™' [Alam Medical, France] at day -15, month 3 and month 12
The microcirculation exploration via analysis of the curves recorded by Laser Doppler at day -15, month 3 and month 12
aneurysm screening at day -15, month 3 and month 12
measurement of the systolic pressure at the toe using the SysToe™ device, and measurement of systolic and diastolic blood pressure using the Dinamap™ device at day -15, month 3 and month 12
Intima-Media Thickness measurement using an ultrasound machine at day -15, month 3 and month 12
non-invasive measurement of sudomotor function by SUDOSCAN at day -15, month 3 and month 12
pedometer collecting the number of steps during the four days before visits at day -15, month 3 and month 12
|
Other: Group of non-diabetic obese patients
|
22.5 ml of blood will be collected at day -15, month 3 and month 12.
Evaluation of the peripheral endothelial function by digital tonometry using the 'EndoPATTM2000' system [Itamar Medical Ltd., Caeserea, Israel] before and after induction of post occlusive reactive hyperemia at day -15, month 3 and month 12.
Evaluation of the aortic pulse wave velocity in the aortofemoral segment or in the periphery (on the arm-ankle segment) by calculation of central aortic pressure (CAP) using the tonometric system 'Complior ™' [Alam Medical, France] at day -15, month 3 and month 12
The microcirculation exploration via analysis of the curves recorded by Laser Doppler at day -15, month 3 and month 12
aneurysm screening at day -15, month 3 and month 12
measurement of the systolic pressure at the toe using the SysToe™ device, and measurement of systolic and diastolic blood pressure using the Dinamap™ device at day -15, month 3 and month 12
Intima-Media Thickness measurement using an ultrasound machine at day -15, month 3 and month 12
non-invasive measurement of sudomotor function by SUDOSCAN at day -15, month 3 and month 12
pedometer collecting the number of steps during the four days before visits at day -15, month 3 and month 12
non-injected thoracic scanner visit at month 3
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reactive Hyperemia Index (RHI)
Time Frame: day -15
|
Measured to the finger by tonometry using the "Endo-Pat 2000 device"
|
day -15
|
Reactive Hyperemia Index (RHI)
Time Frame: Month 3
|
Measured to the finger by tonometry using the "Endo-Pat 2000 device"
|
Month 3
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reactive Hyperemia Index (RHI)
Time Frame: day -15, Month 12
|
reactive hyperemia index (%)
|
day -15, Month 12
|
Compare the concentration of the vascular endothelial growth factor marker of endothelial function in both groups and between groups
Time Frame: day -15
|
pg/mL
|
day -15
|
Compare the concentration of the vascular endothelial growth factor marker of endothelial function in both groups and between groups
Time Frame: Month 3
|
pg/mL
|
Month 3
|
Compare the concentration of the vascular endothelial growth factor marker of endothelial function in both groups and between groups
Time Frame: Month 12
|
pg/mL
|
Month 12
|
Compare the concentration of the soluble fms-like tyrosine kinase-1 markers of endothelial function in both groups and between groups
Time Frame: Day -15
|
pg/mL
|
Day -15
|
Compare the concentration of the soluble fms-like tyrosine kinase-1 markers of endothelial function in both groups and between groups
Time Frame: Month 3
|
pg/mL
|
Month 3
|
Compare the concentration of the soluble fms-like tyrosine kinase-1 markers of endothelial function in both groups and between groups
Time Frame: Month 12
|
pg/mL
|
Month 12
|
Compare the concentration of the fibrinogen marker of endothelial function in both groups and between groups
Time Frame: Day -15
|
g/L
|
Day -15
|
Compare the concentration of the fibrinogen marker of endothelial function in both groups and between groups
Time Frame: Month 3
|
g/L
|
Month 3
|
Compare the concentration of the fibrinogen marker of endothelial function in both groups and between groups
Time Frame: Month 12
|
g/L
|
Month 12
|
Compare the concentration of the D-dimer marker of endothelial function in both groups and between groups
Time Frame: Day -15
|
ng/ml
|
Day -15
|
Compare the concentration of the D-dimer marker of endothelial function in both groups and between groups
Time Frame: Month 3
|
ng/ml
|
Month 3
|
Compare the concentration of the D-dimer marker of endothelial function in both groups and between groups
Time Frame: Month 12
|
ng/ml
|
Month 12
|
Evaluate the physical activity
Time Frame: Day -15
|
number of steps in previous 4 days
|
Day -15
|
Evaluate the physical activity
Time Frame: Month 3
|
number of steps in previous 4 days
|
Month 3
|
Evaluate the physical activity
Time Frame: Month 12
|
number of steps in previous 4 days
|
Month 12
|
Creation of a biobank
Time Frame: Day -15
|
storage of blood sample
|
Day -15
|
Creation of a biobank
Time Frame: Month 3
|
storage of blood sample
|
Month 3
|
Creation of a biobank
Time Frame: Month 12
|
storage of blood sample
|
Month 12
|
Compare toe pressure using the SysToe device in both groups and between groups
Time Frame: Day -15
|
mmHg
|
Day -15
|
Compare toe pressure using the SysToe device in both groups and between groups
Time Frame: Month 3
|
mmHg
|
Month 3
|
Compare toe pressure using the SysToe device in both groups and between groups
Time Frame: Month 12
|
mmHg
|
Month 12
|
Compare the sweat function using the" Sudoscan" device in both groups and between groups
Time Frame: Day -15
|
µV
|
Day -15
|
Compare the sweat function using the "Sudoscan" device in both groups and between groups
Time Frame: Month 3
|
µV
|
Month 3
|
Compare the sweat function using the "Sudoscan" device in both groups and between groups
Time Frame: Month 12
|
µV
|
Month 12
|
Compare the vibratory sensitivity using a neurothesiometer in both groups and between groups
Time Frame: Day -15
|
Hz
|
Day -15
|
Compare the vibratory sensitivity using a neurothesiometer in both groups and between groups
Time Frame: Month 3
|
Hz
|
Month 3
|
Compare the vibratory sensitivity using a neurothesiometer in both groups and between groups
Time Frame: Month 12
|
Hz
|
Month 12
|
Compare the sensitive conduction velocity in both groups and between groups
Time Frame: Day -15
|
m/s
|
Day -15
|
Compare the sensitive conduction velocity in both groups and between groups
Time Frame: Month 3
|
m/s
|
Month 3
|
Compare the sensitive conduction velocity in both groups and between groups
Time Frame: Month 12
|
m/s
|
Month 12
|
Evaluate the presence of neuropathic pain using the questionnaire "Neuropathic Pain in 4 Questions"
Time Frame: Day -15
|
If the score is greater than or equal to 4, the test is positive.
|
Day -15
|
Evaluate the presence of neuropathic pain using the questionnaire "Neuropathic Pain in 4 Questions"
Time Frame: Month 3
|
If the score is greater than or equal to 4, the test is positive.
|
Month 3
|
Evaluate the presence of neuropathic pain using the questionnaire "Neuropathic Pain in 4 Questions"
Time Frame: Month 12
|
If the score is greater than or equal to 4, the test is positive.
|
Month 12
|
Evaluate the quality of life using the "Quality Of Life, Obesity and Dietetics" questionnaire
Time Frame: Day -15
|
It has 36 items, rated from 1 (always / enormously) to 5 (never / not at all).
It explores five dimensions (physical impact - Q1-Q11, psychosocial impact - Q12-Q22, impact on sex life - Q23-Q26, nutritional well-being - Q27-Q31 and diet experience - Q32-Q36).
The rating of each dimension is reported at 100.
The higher the score is close to 100, the better the quality of life related to this dimension.
|
Day -15
|
Evaluate the quality of life using the "Quality Of Life, Obesity and Dietetics" questionnaire
Time Frame: Month 3
|
It has 36 items, rated from 1 (always / enormously) to 5 (never / not at all).
It explores five dimensions (physical impact - Q1-Q11, psychosocial impact - Q12-Q22, impact on sex life - Q23-Q26, nutritional well-being - Q27-Q31 and diet experience - Q32-Q36).
The rating of each dimension is reported at 100.
The higher the score is close to 100, the better the quality of life related to this dimension.
|
Month 3
|
Evaluate the quality of life using the "Quality Of Life, Obesity and Dietetics" questionnaire
Time Frame: Month 12
|
It has 36 items, rated from 1 (always / enormously) to 5 (never / not at all).
It explores five dimensions (physical impact - Q1-Q11, psychosocial impact - Q12-Q22, impact on sex life - Q23-Q26, nutritional well-being - Q27-Q31 and diet experience - Q32-Q36).
The rating of each dimension is reported at 100.
The higher the score is close to 100, the better the quality of life related to this dimension.
|
Month 12
|
Analysis of post-ischemic hyperemia using the laser doppler Perimed.
Time Frame: Day -15
|
Day -15
|
|
Analysis of post-ischemic hyperemia using the laser doppler Perimed.
Time Frame: Month 3
|
Month 3
|
|
Analysis of post-ischemic hyperemia using the laser doppler Perimed.
Time Frame: Month 12
|
Month 12
|
|
Analysis of cutaneous vasomotion using the laser doppler Perimed.
Time Frame: Day -15
|
Day -15
|
|
Analysis of cutaneous vasomotion using the laser doppler Perimed.
Time Frame: Month 3
|
Month 3
|
|
Analysis of cutaneous vasomotion using the laser doppler Perimed.
Time Frame: Month 12
|
Month 12
|
|
study of the peri-aortic and peri-brachial adipose tissue (TAPV)
Time Frame: Month 3
|
comparison of peri-aortic and peri-brachial peri-vascular adipose tissue (PVAPT), before and 3 months after CB, in the group of 20 non-diabetic obese patients.
Semi-automatic quantification with identification by the density of the pixels corresponding to the TA (-195 to -45 HU (Hounsfield Units) and 3D reconstruction for volumetric analysis
|
Month 3
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Antonia PEREZ-MARTIN, Pr, Nîmes University Hospital
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 15, 2019
Primary Completion (Estimated)
September 1, 2024
Study Completion (Estimated)
September 1, 2025
Study Registration Dates
First Submitted
August 16, 2018
First Submitted That Met QC Criteria
August 16, 2018
First Posted (Actual)
August 17, 2018
Study Record Updates
Last Update Posted (Actual)
January 9, 2024
Last Update Submitted That Met QC Criteria
January 8, 2024
Last Verified
January 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- NIMAO/2017-02/APM-01
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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