Dapagliflozin vs Empagliflozin on Flow Mediated Dilation in Type 2 Diabetes Mellitus

Overview

Type 2 diabetes mellitus (T2DM) is a considered one of the main global health challenges; the vascular endothelium plays an important role in vascular dysfunction in DM; Hyperglycemia induced by it is recognized as the main factor for the development of vascular complications of the disease, secondary to a reduction in nitric oxide production; "flow-mediated dilation" is the most commonly used technique for the evaluation of endothelial function, being the non-invasive method most widely used. It has been reported that with the use of SGLT2 inhibitors the development of cardiovascular complications in patients with T2DM is a decrease, as well the arterial stiffness, endothelial dysfunction and increasing on the shear stress and blood viscosity; and experimentally.

Full Title of Study: “Acute Effect of Dapagliflozin vs Empagliflozin Administration on Flow Mediated Dilation in Patients With Type 2 Diabetes Mellitus”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Other
    • Masking: Single (Outcomes Assessor)
  • Study Primary Completion Date: June 29, 2020

Detailed Description

The objective of this study, is to evaluate the acute effect of the administration of dapagliflozin in comparison with the administration of empagliflozin on endothelial disfunction in individuals with T2DM; we will conduct a double-blind, randomized, placebo-controlled, trial with 3 groups, each group of 24 male and female patients, between 40-65 years of age with T2DM, without hypertension, treated with insulins or thiazide diuretics. Randomization will determine who will receive the intervention during 7-days trial (Empagliflozin 25 mg 1 time daily 5 minutes or Dapagliflozin 10 mg before the first bite of each meal or approved placebo capsules), the patients will also continue with their usual treatment. The clinical findings and laboratory test and laboratory test include a metabolic profile and biosafety, baseline and at 7 days. Body weight, body fat, body mass index (BMI) and blood pressure will be determined during the initial and final visit, likewise, hemodynamics parameters of endothelial disfunction by flow mediate dilation with a high-resolution UNEX EF38G® ultrasound. Adverse events to treatment will be documented. Statistical analysis: Mann-Whitney U Test and Wilcoxon exact test. A p <0.05 will be considered statistically significant.

Interventions

  • Drug: Dapagliflozin Pill
    • The patient will take one pill, every 24 hr, during 7 days
  • Drug: Empagliflozin Pill
    • The patient will take one pill, every 24 hr, during 7 days
  • Drug: Placebo pill
    • The patient will take one pill, every 24 hr, during 7 days

Arms, Groups and Cohorts

  • Experimental: Dapagliflozin
    • Individuals with T2DM controlled with metformin; with no hypertension neither treated with insulin. Dapagliflozin capsules, 10 mg 1 time daily 5 minutes before the first meal
  • Experimental: Empagliflozin
    • Individuals with T2DM controlled with metformin; with no hypertension neither treated with insulin. Empagliflozin capsules, 25 mg 1 time daily 5 minutes before the first meal
  • Placebo Comparator: Placebo
    • Individuals with T2DM controlled with metformin; with no hypertension neither treated with insulin. Dapagliflozin capsules, 400 mg 1 time daily 5 minutes before the first meal

Clinical Trial Outcome Measures

Primary Measures

  • Flow Mediated Dilation
    • Time Frame: 7 days
    • Change from baseline Flow mediated dilation at 7 days. Using a high-resolution UNEX EF38G ultrasound®, in a room at 22°C, with the patient lying supine, and the right arm extended

Secondary Measures

  • Fasting plasma glucose
    • Time Frame: 7 days
    • Before and after intervention, using the BioSystems® Glucose Oxidase / Peroxidase kit; in an automated clinical chemistry analysis equipment brand XL-100Erba
  • Total cholesterol
    • Time Frame: 7 days
    • Before and after intervention, using the BioSystems® Glucose Oxidase / Peroxidase kit.
  • Triglycerides
    • Time Frame: 7 days
    • Before and after intervention, using the BioSystems® Glycerol phosphate Oxidase / Peroxidase kit.
  • High-density lipoprotein cholesterol
    • Time Frame: 7 days
    • Before and after intervention, using the BioSystems® Direct / Detergent HDL kit
  • Low-density lipoprotein cholesterol
    • Time Frame: 7 days
    • Before and after intervention using the BioSystems® Cholesterol Oxidase / Peroxidase kit
  • Creatinine
    • Time Frame: 7 days
    • Before and after intervention the BioSystems® kit Modified Jaffe’s no deproteinization
  • Blood pressure
    • Time Frame: 7 days
    • Before and after intervention using an OMRON calibrated electronic digital sphygmomanometer model HEM 907 XL will be used. The patient will remain seated in a chair resting his back on the backrest, with a minimum rest of 5 minutes, The average of 3 measurements such as BP will be taken

Participating in This Clinical Trial

Inclusion Criteria

  • Diagnosis of T2DM – HbA1c > 7 y < 10 – BMI 25 – 34.9 kg/m2 – Signature of consent under information Exclusion Criteria:

  • Hypertension – Treated with insulin and / or loop diuretics and thiazides – T1DM – Hypotension – With any autoimmune disease – Liver disease – Women who do not have a safe method of contraception – Women who are taking oral contraceptives or under treatment with hormone replacement therapy – Woman pregnant or breastfeeding – Untreated thyroid disease – Patients with a cardiovascular disease that contraindicates the use of this pharmacological class – Glomerular filtration rate <60ml/min (Cockcroft-Gault)

Gender Eligibility: All

Minimum Age: 40 Years

Maximum Age: 65 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Centro Universitario de Ciencias de la Salud, Mexico
  • Provider of Information About this Clinical Study
    • Principal Investigator: Fernando Grover Paez, Investigador Principal – Centro Universitario de Ciencias de la Salud, Mexico
  • Overall Official(s)
    • Fernando Grover Paez, PhD, Study Director, Institute of Experimental and Clinical Therapeutics (INTEC), CUCS
  • Overall Contact(s)
    • Fernando Grover Paez, PhD, (33) 10585200, fgroverp@hotmail.com

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