Publications by authors named "Kyung-Wan Min"

Aims: To evaluate the efficacy and safety of adding lobeglitazone to a triple therapy regimen in Korean patients with type 2 diabetes whose blood glucose levels were inadequately controlled despite dual therapy with metformin and sitagliptin.

Materials And Methods: This randomised, double-blind, placebo-controlled, phase 3 study involved 231 Korean patients with type 2 diabetes whose HbA1c levels ranged from 7.0% to 10.

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This pioneering study investigated the real-life effectiveness of single-pill combination (SPC) antihypertensive therapy in patients with uncontrolled blood pressure (BP) and cardiovascular risk factors. After treatment with olmesartan medoxomil/amlodipine besylate/hydrochlorothiazide for 24 weeks, adults with apparent resistant hypertension had significantly reduced systolic BP and approximately 80% achieved target BP. SPC therapy may improve adherence in patients with pseudo-resistant hypertension and is a potentially effective treatment for resistant hypertension.

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Aims: To assess the efficacy and safety of sarpogrelate (300 mg) for symptom improvement in patients having peripheral arterial disease (PAD) and/or being at risk of PAD in clinical practice using the Peripheral Artery Questionnaire (PAQ).

Background: Symptomatic changes with antiplatelets in patients with PAD are limited.

Objective: To determine the effect and safety of sarpogrelate on the PAQ at 24 weeks from baseline.

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Article Synopsis
  • The study aimed to assess how effective and safe add-on dapagliflozin is for type 2 diabetes patients who weren't properly managing their blood sugar levels with metformin and linagliptin.
  • In a trial with 235 patients, half received a fixed-dose combination of dapagliflozin and linagliptin, while the other half received linagliptin plus a placebo, with results measured after 24 weeks.
  • The dapagliflozin group showed significantly lower HbA1c levels and better outcomes in achieving target blood sugar levels compared to the placebo group, with a low risk of adverse effects being noted for both treatments.
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Article Synopsis
  • * Conducted as a double-blind, phase III trial, it involved 185 adults with specific HbA1c and LDL-C levels, and after 16 weeks of treatment, the combination group showed significant improvements in both HbA1c and LDL-C compared to those only on either drug.
  • * The results indicated that using metformin with atorvastatin led to better management of blood sugar and cholesterol levels, suggesting this combination could be beneficial for patients struggling to control their conditions with lifestyle changes alone. *
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  • The study evaluated the effectiveness and tolerability of combining irbesartan (IRB) and amlodipine (AML) in treating essential hypertension when IRB alone was insufficient.
  • Two phase III clinical trials in Korea involved 428 patients and compared combinations of IRB/AML to placebo over 8 weeks, focusing on changes in mean sitting systolic blood pressure (MSSBP).
  • Results showed significant reductions in MSSBP in the combination groups compared to monotherapy, with adverse events occurring in a small percentage of participants, indicating the combined therapy was both effective and tolerable.
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Backgruound: Guidelines for switching to triple combination therapy directly after monotherapy failure are limited. This study investigated the efficacy, long-term sustainability, and safety of either mono or dual add-on therapy using alogliptin and pioglitazone for patients with type 2 diabetes mellitus (T2DM) who did not achieve their target glycemic range with metformin monotherapy.

Methods: The Practical Evidence of Antidiabetic Combination Therapy in Korea (PEAK) was a multicenter, placebo-controlled, double-blind, randomized trial.

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Introduction: The TOujeo BEyond glucose control (TOBE) study evaluated clinical outcomes with insulin glargine 300 units/mL (Gla-300) in insulin-naïve Korean people with type 2 diabetes mellitus (T2DM) in a real-world setting.

Methods: This 24-week, prospective, non-interventional, multicenter, open-label, single-arm, observational study included adults aged ≥ 20 years with T2DM suboptimally controlled with oral hypoglycemic agents and/or glucagon-like peptide 1 receptor agonists who require basal insulin. Eligible participants were assigned to either general target glycated hemoglobin (HbA1c < 7%) or individualized target groups as per physician's discretion considering guidelines and participants' characteristics.

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Aim: To investigate the efficacy and safety of pioglitazone compared to placebo when added to metformin plus dapagliflozin, a sodium-glucose cotransporter-2 (SGLT2) inhibitor, for patients with type 2 diabetes mellitus (T2DM).

Materials And Methods: In a multicentre study, with a randomized, double-blind, placebo-controlled design, 249 Korean patients with T2DM suboptimally managed on metformin and dapagliflozin were assigned to receive either pioglitazone (15 mg daily) or placebo for 24 weeks, followed by a 24-week pioglitazone extension. Primary outcomes included changes in glycated haemoglobin (HbA1c), with secondary outcomes assessing insulin resistance, adiponectin levels, lipid profiles, liver enzymes, body weight and waist circumference.

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Introduction: Patients with hypertension and additional cardiovascular risk factors pose a challenge by requiring more intensive blood pressure (BP) control. Single-pill combination (SPC) therapy can benefit these patients by improving medication adherence.

Methods: This prospective, multicenter observational study assessed the real-world safety and effectiveness of an SPC containing olmesartan, amlodipine, and hydrochlorothiazide (O/A/H) in South Korean patients with hypertension and cardiovascular risk factors.

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Introduction: To investigate the safety and effectiveness of insulin degludec (IDeg) in a real-world population of Korean patients with diabetes requiring insulin therapy.

Methods: This was a multicenter, prospective, single-arm, open-label, non-interventional study. Patients aged ≥ 12 months and treated with previous glucose-lowering medications were eligible to switch to IDeg.

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Backgruound: This study evaluated the efficacy and safety of add-on gemigliptin in patients with type 2 diabetes mellitus (T2DM) who had inadequate glycemic control with metformin and dapagliflozin.

Methods: In this randomized, placebo-controlled, parallel-group, double-blind, phase III study, 315 patients were randomized to receive either gemigliptin 50 mg (n=159) or placebo (n=156) with metformin and dapagliflozin for 24 weeks. After the 24-week treatment, patients who received the placebo were switched to gemigliptin, and all patients were treated with gemigliptin for an additional 28 weeks.

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Aims: To evaluate the effect of dapagliflozin on body composition such as total body fat (BF) mass, abdominal visceral adipose tissue (VAT), and subcutaneous adipose tissue (SAT) areas compared with glimepiride in Korean patients with type 2 diabetes.

Materials And Methods: This was a 52-week, multicentre, randomized, parallel-group, open-label, Phase IV (NCT02564926) study. Patients with inadequate glycaemic control (glycated haemoglobin ≥7.

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Aims: The study aimed to evaluate and compare the efficacy and safety of enavogliflozin, a newly developed sodium-glucose cotransporter 2 inhibitor, with placebo in Korean patients with type 2 diabetes mellitus.

Materials And Methods: Patients with glycated haemoglobin (HbA1c) of 7.0-10.

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Introduction: The aim of this study was to assess the efficacy and safety of switching to teneligliptin from other dipeptidyl peptidase-4 (DPP-4) inhibitors in patients with type 2 diabetes mellitus (T2DM) inadequately controlled despite treatment with a stable dose of other DPP-4 inhibitors.

Methods: Patients with glycosylated hemoglobin (HbA1c) ≥ 7% despite taking DPP-4 inhibitors other than teneligliptin, with or without other antidiabetic agents, for at least 3 months were enrolled in this study. Patients on DPP-4 inhibitors administered prior to participation in this study were switched to 20 mg teneligliptin once daily and the dose was maintained for the 52-week study period.

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The purpose of this extension study was to assess the long-term efficacy and safety of gemigliptin 50 mg in patients with type 2 diabetes mellitus (T2DM). Patients with T2DM who had completed the initial 24-week study comparing gemigliptin monotherapy with placebo were eligible to enrol. In the open-label, 28-week extension study, all enrolled patients received gemigliptin, regardless of the treatment received during the initial 24-week study period.

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Objective: Postmenopausal women show a more atherogenic lipid profile and elevated cardiovascular risk compared to premenopausal women. The aim of this study was to investigate the efficacy and safety of high-dose atorvastatin on the improvement of the blood lipid profile of postmenopausal women in Korea.

Methods: This study is a prospective, open-label, single-arm clinical trial that was conducted in 3 teaching hospitals.

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Background: Glycemic variability is associated with the development of diabetic complications and hypoglycemia. However, the effect of sodium-glucose transporter 2 (SGLT2) inhibitors on glycemic variability is controversial. We aimed to examine the effect of dapagliflozin as an add-on therapy to insulin on the glycemic variability assessed using continuous glucose monitoring (CGM) in subjects with type 2 diabetes mellitus.

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Background: Sedentary behavior (SB) has emerged as a new risk factor for cardiovascular accidents. We investigated whether physical activity levels or SB were related to percent body fat (%BF) in type 2 diabetes mellitus (T2DM).

Methods: In this cross sectional study, we measured the duration of SB, light physical activity (LPA), moderate to vigorous physical activity (MVPA), total energy expenditure, and step counts using a wireless activity tracker (Fitbit HR; FB) for 7 days in free-living conditions, along with %BF using a bio impedance analyzer (Inbody; Biospace) in 120 smartphone users with T2DM.

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Background: We evaluated the efficacy and safety of acarbose add-on therapy in Korean patients with type 2 diabetes mellitus (T2DM) who are inadequately controlled with metformin and sitagliptin.

Methods: A total of 165 subjects were randomized to metformin and sitagliptin (Met+Sita, =65), metformin, sitagliptin, and acarbose (Met+Sita+Acarb, =66) and sitagliptin and acarbose (Sita+Acarb, exploratory assessment, =34) therapy in five institutions in Korea. After 16 weeks of acarbose add-on or metformin-switch therapy, a triple combination therapy was maintained from week 16 to 24.

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Background: Combination of metformin to reduce the fasting plasma glucose level and an α-glucosidase inhibitor to decrease the postprandial glucose level is expected to generate a complementary effect. We compared the efficacy and safety of a fixed-dose combination of voglibose plus metformin (vogmet) with metformin monotherapy in drug-naïve newly-diagnosed type 2 diabetes mellitus.

Methods: A total of 187 eligible patients aged 20 to 70 years, with a glycosylated hemoglobin (HbA1c) level of 7.

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Aim: To evaluate the efficacy and safety of a fixed-dose combination (FDC) of gemigliptin and rosuvastatin in patients with type 2 diabetes and dyslipidaemia.

Research Design And Methods: A total of 33 hospitals in Korea participated in this randomized, double-blind trial of diabetic patients with dyslipidaemia. A total of 290 participants were randomly assigned at a 1:1:1 ratio to receive an FDC of gemigliptin (50 mg) and rosuvastatin (20 mg) (GEMI/ROSU FDC group), gemigliptin (50 mg) (GEMI group) or rosuvastatin (20 mg) (ROSU group).

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Purpose: The purpose of this study was to compare the adherence of the glimepiride/metformin sustained release (GM-SR) once-daily fixed-dose combination and glimepiride/metformin immediate release (GM-IR) BID fixed-dose combination in type 2 diabetes therapies.

Methods: An open-label, randomized, multicenter, parallel-group study was conducted at 11 hospitals in the Republic of Korea. A total of 168 patients with type 2 diabetes treated with >4 mg of glimepiride and 1000 mg of metformin by using free or fixed-dose combination therapy for at least 2 weeks were enrolled.

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We investigated the long-term efficacy and safety of gemigliptin and the efficacy and safety of gemigliptin treatment after once-daily treatment with sitagliptin 100 mg, in patients with type 2 diabetes. This was a 28-week extension of a 24-week, randomized, double-blind, parallel study of gemigliptin or sitagliptin added to ongoing metformin therapy. After randomization to sitagliptin 100 mg qd (S), gemigliptin 25 mg bid (G1) or gemigliptin 50 mg qd (G2) and after completing 24 weeks of treatment, 118 patients switched from gemigliptin 25 mg bid to 50 mg qd (G1/G2), 111 patients continued gemigliptin 50 mg qd (G2/G2) and 106 patients switched from sitagliptin 100 mg qd to gemigliptin 50 mg qd (S/G2).

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Background: Diabetic cardiac autonomic neuropathy (CAN) is one of the important complications of diabetes. It is characterized by reduced heart rate variability (HRV).

Methods: In this randomized, double-blind, placebo-controlled, multicenter trial, 75 patients were randomly assigned to one of two groups.

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