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Effectiveness & Tolerability of Novel, Initial Triple Combination Therapy vs Conventional Therapy in Type 2 Diabetes

Phase 3
Conditions
Diabetes Mellitus, Type II
Interventions
Drug: triple combination therapy
Drug: Stepwise add-on therapy
Registration Number
NCT02946632
Lead Sponsor
Korea University Anam Hospital
Brief Summary

In this study, the investigators will assess the efficacy and tolerability of a novel, initial triple combination therapy with metformin, saxaglipitin, and dapagliflozin, compared to conventional stepwise add-on therapy in drug-naïve patients with recently onset type 2 diabetes.

Detailed Description

ADA/EASD guideline recommends sequential treatment approach starting with metformin, and adding other classes of anti-diabetic medications if target HbA1c is not achieved. However, several clinical studies clearly showed that initial dual or triple combination therapy was more favorable in terms of glycemic control.

A DPP-4 inhibitor saxagliptin increases serum level of GLP-1, and potentiates its action of increasing glucose-dependent insulin secretion and lowering glucagon secretion. A SGLT-2 inhibitor dapagliflozin lowers hyperglycemia via blocking SGLT-2 to increase glucosuria, that is, in an insulin-independent manner. Therefore, the mechanism of action of these drugs are complimentary to that of metformin, and all of these have a low risk of hypoglycemia and weight gain.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
104
Inclusion Criteria
  • Drug-naïve patients with type 2 diabetes by American Diabetes Association criteria
  • HbA1c ≥ 8%, < 10.5% at screening
  • Age ≥ 18 years, < 65 years
  • Body mass index (BMI) ≥ 23 kg/m2, < 35 kg/m2
  • Estimated GFR (eGFR) ≥ 60 ml/min/1.73m2
Exclusion Criteria
  • Uncontrolled hyperglycemia > 270 mg/dl after an overnight fast
  • Diabetic ketoacidosis
  • Type 1 diabetes
  • Confirmed cardiovascular disease (acute coronary syndrome, stroke, or transient ischemic attack) within 3 months of screening
  • Congestive heart failure (New York Heart Association functional class IV)
  • severe hepatic dysfunction (serum levels of either AST, ALT, or alkaline phosphatase above 3 x upper limit of normal (ULN))
  • alcohol abuse within the 3 months prior to informed consent that would interfere with trial participation or any ongoing condition leading to a decreased compliance to study procedures or study drug intake
  • pregnant women, women with potential of pregnancy not using adequate contraception method as evaluated by the investigator, lactating women
  • use of systemic glucocorticoid

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Triple combination therapy grouptriple combination therapyXigduo (metformin 1000mg + dapagliflozin 10mg), saxagliptin 5mg once daily for 104 weeks
Stepwise add-on therapy groupStepwise add-on therapy* Participants were started on metformin 1000mg once daily after screening \& assignment * At each visits, FPG and HbA1c are measured. Sequential add-on therapy regimen is described
Primary Outcome Measures
NameTimeMethod
Proportion of patients who met HbA1c < 6.5% without hypoglycaemia, weight gain, or discontinuation due to adverse events at 104 weeks104 weeks
Secondary Outcome Measures
NameTimeMethod
∙ Proportion of patients who met HbA1c < 6.5% without hypoglycaemia, weight gain, or discontinuation due to adverse events at 52 weeks52 weeks
Proportion of patients who met HbA1c < 7.0% without hypoglycaemia, weight gain, or discontinuation due to adverse events at 104 weeks104 weeks
Change in body HbA1c from baseline to week 104104 weeks
Change in body weight from baseline to week 104104 weeks
Change in systolic blood pressure from baseline to week 104104 weeks
Changes in fat and lean mass from baseline to at 104 weeks104 weeks

Trial Locations

Locations (1)

Korea University Anam Hospital

🇰🇷

Seoul, Korea, Republic of

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