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1.
Diabetes Metab J ; 2024 Feb 02.
Article in English | MEDLINE | ID: mdl-38310875

ABSTRACT

Background: This study assessed the efficacy and safety of triple therapy with pioglitazone 15 mg add-on versus placebo in patients with type 2 diabetes mellitus (T2DM) inadequately controlled with metformin and dapagliflozin. Methods: In this multicenter, double-blind, randomized, phase 3 study, patients with T2DM with an inadequate response to treatment with metformin (≥1,000 mg/day) plus dapagliflozin (10 mg/day) were randomized to receive additional pioglitazone 15 mg/day (n=125) or placebo (n=125) for 24 weeks. The primary endpoint was the change in glycosylated hemoglobin (HbA1c) levels from baseline to week 24 (ClinicalTrials.gov identifier: NCT05101135). Results: At week 24, the adjusted mean change from baseline in HbA1c level compared with placebo was significantly greater with pioglitazone treatment (-0.47%; 95% confidence interval, -0.61 to -0.33; P<0.0001). A greater proportion of patients achieved HbA1c <7% or <6.5% at week 24 with pioglitazone compared to placebo as add-on to 10 mg dapagliflozin and metformin (56.8% vs. 28% for HbA1c <7%, and 23.2% vs. 9.6% for HbA1c <6.5%; P<0.0001 for all). The addition of pioglitazone also significantly improved triglyceride, highdensity lipoprotein cholesterol levels, and homeostatic model assessment of insulin resistance levels, while placebo did not. The incidence of treatment-emergent adverse events was similar between the groups, and the incidence of fluid retention-related side effects by pioglitazone was low (1.5%). Conclusion: Triple therapy with the addition of 15 mg/day of pioglitazone to dapagliflozin plus metformin was well tolerated and produced significant improvements in HbA1c in patients with T2DM inadequately controlled with dapagliflozin plus metformin.

2.
Brain Sci ; 14(1)2024 Jan 12.
Article in English | MEDLINE | ID: mdl-38248291

ABSTRACT

The widespread use of mobile devices and laptops has replaced traditional paper-based learning and the question of how the brain efficiency of digital tablet-based learning differs from that of paper-based learning remains unclear. The purpose of this study was to investigate the difference in brain efficiency for learning between paper-based and digital tablet-based learning by measuring activity in the prefrontal cortex (PFC) using functional near-infrared spectroscopy. Thirty-two subjects were randomly assigned to the paper-based learning or the digital tablet-based learning group. Subjects in each group performed a memory task that required memorizing a three-minute novel (encoding phase) on a paper or digital tablet, followed by a test in which they answered four multiple-choice questions based on the novel's content. To compare both groups, behavioral performance on the test (retrieval phase) and activity in the PFC were measured. As a result, no significant difference in behavioral performance between both groups was observed (p > 0.05). However, the paper-based learning group showed significantly lower activity in the PFC in the encoding phase than the digital tablet-based learning group (p < 0.05) but not in the retrieval phase. The current study demonstrated that brain efficiency in encoding is higher in subjects with paper-based learning than those with digital tablet-based learning. This finding has important implications for education, particularly in terms of the pros and cons of electronic document-based learning.

3.
Adv Ther ; 40(11): 4817-4835, 2023 11.
Article in English | MEDLINE | ID: mdl-37651078

ABSTRACT

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. BP control rates, defined as the percentage of patients achieving systolic BP (SBP) < 130 mmHg and diastolic BP (DBP) < 80 mmHg for intensive BP control, and < 140 mmHg and < 90 mmHg, respectively, for standard BP control, were investigated across various cardiovascular risk groups, along with changes in SBP and DBP from baseline to week 24. RESULTS: The most prevalent cardiovascular risk factor was age (≥ 45 years in men, ≥ 55 years in women, 86.1%), followed by cardiovascular diseases (64.4%), dyslipidemia (53.7%), body mass index ≥ 25 kg/m2 (53.5%), and diabetes mellitus (DM) (46.3%). Switching to O/A/H showed significant BP reduction, with a mean change of - 17.8 mmHg/- 9.3 mmHg in SBP/DBP within 4 weeks. The intensive BP control rate was 41.4% (95% confidence interval [CI] 39.5, 43.4), and the standard BP control rate was 73.3% (95% CI 71.5, 75.1), with better control rates in the risk age group (43.1% and 74.1%, respectively) and cardiovascular disease group (42.0% and 73.8%, respectively). The DM group had relatively lower control rates (37.5% for intensive control and 69.4% for standard control). Common adverse drug reactions included dizziness (2.91%), hypotension (1.51%), and headaches (0.70%). CONCLUSION: The SPC therapy of O/A/H caused a rapid and sustained reduction in SBP/DBP in patients' hypertension and additional cardiovascular risk factors. The therapy was safe and well tolerated. STUDY REGISTRATION NUMBER: KCT0003401 ( https://cris.nih.go.kr/cris/search/detailSearch.do/20795 ).


Subject(s)
Cardiovascular Diseases , Hypertension , Male , Humans , Female , Middle Aged , Amlodipine/adverse effects , Hydrochlorothiazide/adverse effects , Cardiovascular Diseases/chemically induced , Antihypertensive Agents/adverse effects , Olmesartan Medoxomil/pharmacology , Olmesartan Medoxomil/therapeutic use , Prospective Studies , Risk Factors , Hypertension/complications , Hypertension/drug therapy , Tetrazoles/adverse effects , Blood Pressure , Heart Disease Risk Factors , Republic of Korea , Drug Combinations
4.
Diabetes Res Clin Pract ; 203: 110872, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37574137

ABSTRACT

AIMS: Compare the efficacy and safety of sitagliptin, dapagliflozin, and lobeglitazone in patients with uncontrolled type 2 diabetes, despite metformin and sulfonylurea therapy. METHODS: The study randomized patients into three groups, receiving sitagliptin 100 mg, dapagliflozin 10 mg, or lobeglitazone 0.5 mg daily (n = 26 each) and monitored changes in biochemical parameters and body composition for 24 months. The primary efficacy endpoint was changes in HbA1c at 24 months. RESULTS: The mean change in HbA1c in the sitagliptin, dapagliflozin, and lobeglitazone groups was -0.81 ± 0.21%, -1.05 ± 0.70%, and -1.08 ± 0.98%, after 24 months. Dapagliflozin treatment significantly lowered systolic blood pressure by 5.5 mmHg and alanine aminotransferase levels. Dapagliflozin and lobeglitazone treatment significantly reduced proteinuria and insulin resistance. Dapagliflozin decreased whole body fat percentage by 1.2%, whereas sitagliptin and lobeglitazone increased it by 1.1% and 1.8%, respectively. Whole body muscle percentage increased in the dapagliflozin group and decreased in the lobeglitazone group. The safety profiles of the three treatments were comparable. CONCLUSIONS: All three drugs displayed good glucose-lowering efficacy and comparable safety profiles. However, dapagliflozin therapy produced favorable changes in body composition. Dapagliflozin may be a suitable adjunct therapy for patients with type 2 diabetes seeking to improve their body composition.


Subject(s)
Diabetes Mellitus, Type 2 , Metformin , Humans , Sitagliptin Phosphate/adverse effects , Metformin/adverse effects , Hypoglycemic Agents/adverse effects , Glycated Hemoglobin , Blood Glucose , Sulfonylurea Compounds/therapeutic use , Drug Therapy, Combination , Double-Blind Method , Treatment Outcome
5.
Medicine (Baltimore) ; 102(17): e33701, 2023 Apr 25.
Article in English | MEDLINE | ID: mdl-37115054

ABSTRACT

BACKGROUND: Diabetic peripheral polyneuropathy is the most common chronic complication of type 2 diabetes. Neuropathic pain is challenging to manage, and various drugs are required to control it, decreasing treatment adherence. Pregabalin, a ligand that binds to alpha-2-delta subunits of the presynaptic calcium channel, has been approved by the Food and Drug Administration for the treatment of diabetic neuropathic pain. In this study, we will compare the efficacy, safety, treatment satisfaction, and compliance between pregabalin sustained-release (SR) tablets and pregabalin immediate-release (IR) capsules in type 2 diabetic patients with peripheral neuropathic pain. METHODS: This study is a randomized, active-controlled, parallel, open-label, multicenter, phase 4 clinical trial (trial registration NCT05624853). Type 2 diabetic patients with glycosylated hemoglobin below 10% and peripheral neuropathic pain who have been taking pregabalin 150 mg/d or more for more than 4 weeks will be randomly assigned to pregabalin SR tablet (150 mg once a day, n = 65) or pregabalin IR capsule (75 mg twice a day, n = 65) therapy for 8 weeks. The primary outcome will be the efficacy of SR pregabalin after 8 weeks of treatment, which will be assessed by visual analog scale measurements. The secondary outcomes will include changes in several parameters, such as quality of life, treatment satisfaction, quality of sleep, and drug compliance. DISCUSSION: In thus study, we aim to demonstrate that pregabalin SR tablets are associated with better compliance and satisfaction compared with pregabalin IR capsules, despite similar efficacy.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetic Neuropathies , Neuralgia , Humans , Pregabalin/therapeutic use , Delayed-Action Preparations , Analgesics/therapeutic use , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/drug therapy , Quality of Life , Capsules/therapeutic use , Treatment Outcome , Neuralgia/drug therapy , Neuralgia/etiology , Diabetic Neuropathies/drug therapy , Tablets , Double-Blind Method
6.
Diabetes Obes Metab ; 25(8): 2181-2190, 2023 08.
Article in English | MEDLINE | ID: mdl-37046365

ABSTRACT

AIM: To investigate the effects of gemigliptin on cardiac function and compare the effects of gemigliptin and glimepiride in patients with type 2 diabetes (T2D). MATERIALS AND METHODS: Sixty T2D patients being treated with metformin were assigned to a gemigliptin group (50 mg daily) or a glimepiride group (2 mg daily) for 24 weeks. The preadjudicated extension period was up to 52 weeks. Glucose metabolism variables and cardiac biomarkers were measured. Echocardiography was used to evaluate cardiac functions. RESULTS: The HbA1c levels decreased significantly from 8.1% ± 0.6% to 6.8% ± 0.6% in the gemigliptin group and from 8.1% ± 0.6% to 7.0% ± 0.7% in the glimepiride group, without a between-group difference. Gemigliptin reduced insulin resistance, high sensitivity C-reactive protein and low-density lipoprotein cholesterol levels, and blood pressure, and increased adiponectin level compared with glimepiride therapy. Gemigliptin induced favourable changes in body composition. Left ventricular end-diastolic volume decreased in the gemigliptin group but increased in the glimepiride group, with a borderline between-group difference. Cardiac biomarkers did not change significantly in either group. At 52 weeks, the HbA1c levels in both groups increased slightly; 7.3% ± 0.8% in the gemigliptin group versus 7.7% ± 1.3% in the glimepiride group, without a between-group difference. CONCLUSIONS: Gemigliptin had a comparable glucose-lowering efficacy without deleterious effects on cardiac functions or on biomarkers reflective of myocardial injury or heart failure during the 24-week observation period. However, larger, longer-term studies are needed to confirm these findings.


Subject(s)
Diabetes Mellitus, Type 2 , Heart , Hypoglycemic Agents , Piperidones , Pyrimidines , Sulfonylurea Compounds , Diabetes Mellitus, Type 2/drug therapy , Piperidones/therapeutic use , Pyrimidines/therapeutic use , Hypoglycemic Agents/therapeutic use , Sulfonylurea Compounds/therapeutic use , Metformin , Humans , Echocardiography , Heart/drug effects , Prospective Studies , Male , Female , Middle Aged , Aged
7.
J Obes Metab Syndr ; 32(1): 1-24, 2023 Mar 30.
Article in English | MEDLINE | ID: mdl-36945077

ABSTRACT

The goal of the 8th edition of the Clinical Practice Guidelines for Obesity is to help primary care physician provide safe, effective care to patients with obesity by offering evidence-based recommendations to improve the quality of treatment. The Committee for Clinical Practice Guidelines comprised individuals with multidisciplinary expertise in obesity management. A steering board of seven experts oversaw the entire project. Recommendations were developed as the answers to key questions formulated in patient/problem, intervention, comparison, outcomes (PICO) format. Guidelines underwent multi-level review and cross-checking and received endorsement from relevant scientific societies. This edition of the guidelines includes criteria for diagnosing obesity, abdominal obesity, and metabolic syndrome; evaluation of obesity and its complications; weight loss goals; and treatment options such as diet, exercise, behavioral therapy, pharmacotherapy, and bariatric and metabolic surgery for Korean people with obesity. Compared to the previous edition of the guidelines, the current edition includes five new topics to keep up with the constantly evolving field of obesity: diagnosis of obesity, obesity in women, obesity in patients with mental illness, weight maintenance after weight loss, and the use of information and communication technology-based interventions for obesity treatment. This edition of the guidelines features has improved organization, more clearly linking key questions in PICO format to recommendations and key references. We are confident that these new Clinical Practice Guidelines for Obesity will be a valuable resource for all healthcare professionals as they describe the most current and evidence-based treatment options for obesity in a well-organized format.

8.
Article in English | MEDLINE | ID: mdl-36901191

ABSTRACT

BACKGROUND: This study is a preliminary study to examine the effect of a virtual reality exercise program (VREP) on type 2 diabetes patients. METHOD: This is a randomized controlled trial for patients with type 2 diabetes (glycated hemoglobin ≥ 6.5%), diagnosed by a specialist. The virtual reality environment was set up by attaching an IoT sensor to an indoor bicycle and linking it with a smartphone, enabling exercise in an immersive virtual reality through a head-mounted display. The VREP was implemented three times a week, for two weeks. The blood glucose, body composition, and exercise immersion were analyzed at baseline, and two weeks before and after the experimental intervention. RESULT: After VREP application, the mean blood glucose (F = 12.001 p < 0.001) and serum fructosamine (F = 3.274, p = 0.016) were significantly lower in the virtual reality therapy (VRT) and indoor bicycle exercise (IBE) groups than in the control group. There was no significant difference in the body mass index between the three groups; however, the muscle mass of participants in the VRT and IBE groups significantly increased compared with that of the control (F = 4.445, p = 0.003). Additionally, exercise immersion was significantly increased in the VRT group compared with that in the IBE and control groups. CONCLUSION: A two week VREP had a positive effect on blood glucose, muscle mass, and exercise immersion in patients with type 2 diabetes, and is highly recommended as an effective intervention for blood glucose control in type 2 diabetes.


Subject(s)
Blood Glucose , Diabetes Mellitus, Type 2 , Humans , Exergaming , Immersion , Exercise Therapy , Body Composition
9.
Trends Endocrinol Metab ; 33(6): 424-442, 2022 06.
Article in English | MEDLINE | ID: mdl-35491295

ABSTRACT

Metabolic dysfunction-associated fatty liver disease (MAFLD) is a chronic condition that affects nearly one billion people globally, characterized by triacylglycerol accumulation in the liver as a consequence of metabolic abnormalities (obesity and impaired glucose regulation). Low-grade inflammation, oxidative stress, mitochondrial dysfunction, and dysbiosis in gut microbiota are involved in the etiology of MAFLD, and both cardiovascular events and hepatic complications are the long-term consequences. In the absence of approved therapies for this condition, sodium-glucose cotransporter 2 inhibitors (SGLT-2 Is) and glucagon-like peptide 1 receptor agonists (GLP-1 RAs) have the specific advantage of lowering body weight and providing cardiovascular benefits. Here, we discuss potential roles for SGLT-2 Is and GLP-1 RAs in the prevention and treatment of intrahepatic triacylglycerol accumulation and associated inflammation and/or fibrosis.


Subject(s)
Liver Diseases , Sodium-Glucose Transporter 2 Inhibitors , Humans , Glucagon-Like Peptide-1 Receptor/agonists , Hypoglycemic Agents , Inflammation/drug therapy , Sodium-Glucose Transporter 2 Inhibitors/therapeutic use , Triglycerides
10.
Clin Ther ; 44(5): 698-709, 2022 05.
Article in English | MEDLINE | ID: mdl-35410755

ABSTRACT

PURPOSE: LDL-lowering therapy is beneficial to reduce the risk of cardiovascular disease (CVD). Higher statin doses lower LDL-C levels and prevent CVD; however, they increase adverse events, such as muscle-related adverse events and new-onset diabetes mellitus (DM). Ezetimibe combined with statin therapy improves LDL-C-lowering levels and tolerability in patients with established CVD. We aimed to analyze the efficacy and safety of a fixed-dose rosuvastatin and ezetimibe (R+E) combination therapy in intermediate-risk patients with hypercholesterolemia and no DM after 12 months of visiting a primary physician. METHODS: This multicenter, open-label, single-arm, prospective observational study involved 5717 patients from 258 primary health care centers in Korea enrolled between 2016 and 2018. Patients had no DM or previous CVD but had cardiovascular risk factors and were taking a statin or a fixed-dose combination of E (10 mg) + R (5, 10, or 20 mg). We analyzed 700 patients using propensity score matching. FINDINGS: A fixed-dose R+E combination therapy significantly reduced LDL-C in 5/10 mg R+E (29.35%), 10/10 mg R+E (36.19%), and 20/10 mg R+E (41.83%) compared with statin monotherapy (19.09%) at 12-month follow-up (P = 0.017). Compared with statin monotherapy, HDL-C levels increased in 5/10 mg R+E (mean change at 12 months; P = 0.004), and triglyceride levels decreased in 10/10 mg R+E (mean change at 12 months; P = 0.033). The fixed-dose R+E combination therapy was associated with fewer adverse events and a neutral effect on glucose deterioration compared with statin monotherapy at 12 months of follow-up. IMPLICATIONS: In a possible paradigm shift, a fixed-dose R+E combination therapy may be beneficial for primary cardiovascular prevention with potent LDL-lowering efficacy and tolerability; however, further large prospective studies are needed.


Subject(s)
Anticholesteremic Agents , Cardiovascular Diseases , Diabetes Mellitus , Dyslipidemias , Hydroxymethylglutaryl-CoA Reductase Inhibitors , Cardiovascular Diseases/etiology , Cholesterol, LDL , Cohort Studies , Diabetes Mellitus/drug therapy , Drug Therapy, Combination , Dyslipidemias/diagnosis , Dyslipidemias/drug therapy , Ezetimibe/adverse effects , Humans , Hydroxymethylglutaryl-CoA Reductase Inhibitors/adverse effects , Primary Health Care , Rosuvastatin Calcium
11.
J Obes Metab Syndr ; 31(1): 51-60, 2022 Mar 30.
Article in English | MEDLINE | ID: mdl-35332112

ABSTRACT

Background: Obesity is of grave concern as a comorbidity of coronavirus disease 2019 (COVID-19). We examined the factors associated with weight gain among Korean adults during the COVID-19 pandemic. Methods: We conducted an online survey of 1,000 adults (515 men and 485 women aged 20-59 years) in March 2021. Multivariable logistic regression analysis was performed to evaluate the factors associated with weight gain. The analysis was adjusted for sex, age, region, depressive mood, anxiety, eating out, late-night meals, alcohol consumption, exercise, sleep disturbance, meal pattern, subjective body image, comorbidities, marital status, living alone, and income. Results: After adjusting for confounding variables, the odds for weight gain increased in the group aged 20-34 years compared with the group aged 50-59 years (1.82; 95% confidence interval [CI], 1.01-3.32). Women were more associated with the risk of weight gain compared with men. The odds for weight gain increased in the lack of exercise group compared with the exercise group (4.89; 95% CI, 3.09-7.88). The odds for weight gain increased in the eating-out and late-night meal groups compared with that in the groups not eating out and not having late-night meals. Individuals watching a screen for 3-6 hr/day were more associated with the risk of weight gain compared with those who rarely watched a screen. The odds for weight gain increased in participants who considered themselves obese compared with those who did not consider themselves obese. Conclusion: A healthy diet and regular physical activity tend to be the best approach to reduce obesity, a risk factor for COVID-19.

12.
J Clin Endocrinol Metab ; 106(12): 3655-3667, 2021 11 19.
Article in English | MEDLINE | ID: mdl-34302730

ABSTRACT

CONTEXT: Because subclinical hyperthyroidism increases the risk of osteoporosis and fractures, concerns are growing about the long-term skeletal safety of TSH suppression therapy after total thyroidectomy in patients with differentiated thyroid cancer (DTC). OBJECTIVE: We aimed to determine the effect of TSH suppression therapy on bone mineral density (BMD) in DTC patients. METHODS: We searched PubMed, Embase, the Cochrane library, and other sources. Eligible observational studies included DTC patients who underwent TSH suppression therapy and BMD measurement. Two independent reviewers extracted data on the studies' characteristics and outcomes and determined their risk of bias. Data were extracted from each study for postmenopausal/premenopausal women's and men's lumbar spine (LS), femoral neck (FN), and total hip (TH) BMD and summed using a random-effects meta-analysis model. The weighted mean differences with 95% CIs are expressed for the differences in outcome measurements between groups. RESULTS: Seventeen studies (739 patients and 1085 controls) were included for quantitative analysis. In postmenopausal women, TSH suppression therapy showed a significant decrease in LS BMD (-0.03; -0.05, -0.02), and a similar trend was seen in TH. In premenopausal women, TSH suppression therapy significantly increased LS BMD (0.04; 0.02, 0.06) and FN BMD (0.02; 0.01, 0.04). In men, there was no significant association between TSH suppression therapy and BMD at any site compared with the controls. CONCLUSION: Evidence from observational studies suggests that postmenopausal women treated with TSH suppression therapy are at risk for lower BMD. Attention should be paid to long-term skeletal safety in DTC survivors.


Subject(s)
Adenocarcinoma/surgery , Bone Density , Hyperthyroidism/drug therapy , Osteoporosis/pathology , Thyroid Neoplasms/surgery , Thyroidectomy/adverse effects , Thyrotropin/adverse effects , Adenocarcinoma/pathology , Humans , Hyperthyroidism/etiology , Hyperthyroidism/pathology , Osteoporosis/etiology , Osteoporosis/metabolism , Prognosis , Thyroid Neoplasms/pathology , Thyrotropin/deficiency
13.
Diabetes Metab J ; 44(5): 679-686, 2020 10.
Article in English | MEDLINE | ID: mdl-32431108

ABSTRACT

Background: Type 2 diabetes mellitus (T2DM) is a progressive disease with multiple complications. The present study aimed to determine the effects of glycemic status on sleep quality in individuals with T2DM, prediabetes, and normal glucose tolerance (NGT). Methods: A total of 90 participants were categorized into three groups, T2DM (n=30), prediabetes (n=30), and NGT (n=30). Objective sleep quality was measured with the actigraph wrist-worn device over 3 nights and subjective sleep quality was evaluated with a questionnaire. Results: The duration of diabetes in the T2DM group was 2.23 years and the glycosylated hemoglobin (HbA1c) levels in the T2DM, prediabetes, and NGT groups were 7.83%, 5.80%, and 5.31%, respectively. Sleep efficiency decreased across the T2DM, prediabetes, and NGT groups (86.25%, 87.99%, and 90.22%, respectively; P=0.047). Additionally, HbA1c levels revealed a significant negative correlation with sleep efficiency (r=-0.348, P=0.001). The sleep quality questionnaire results were similar among the three groups. Conclusion: Although the participants in the present study were not necessarily conscious of their sleep disturbances, deterioration in sleep quality progressed according to glycemic status.


Subject(s)
Sleep Wake Disorders , Sleep , Adult , Diabetes Mellitus, Type 2 , Female , Glycated Hemoglobin/analysis , Glycemic Index , Humans , Male , Middle Aged , Prediabetic State
14.
Endocrinol Metab (Seoul) ; 35(1): 142-148, 2020 03.
Article in English | MEDLINE | ID: mdl-32207274

ABSTRACT

BACKGROUND: This study was conducted to compare glycaemic control with insulin detemir administered according to two titration algorithms (3-0-3 and 2-4-6-8) after 20 weeks of treatment in subjects with type 2 diabetes mellitus inadequately controlled on metformin. METHODS: This was a 20-week, randomised, multicentre, open-labelled, treat-to-target trial. Forty-six patients were randomised in a 1:1 manner to either the 3-0-3 (G3, n=23) or 2-4-6-8 (G2, n=23) algorithm. The primary endpoint was change of haemoglobin A1c (HbA1c), and the secondary safety endpoint included hypoglycaemic events. RESULTS: After 20 weeks, HbA1c decreased similarly in the G3 and G2 groups, with a mean change of -0.9% from baseline. The mean change in fasting plasma glucose was numerically similar in both groups. The hypoglycaemia event rate per 100-patient-years of exposure (r) in the G2 group (r=1,427) was higher than that in the G3 group (r=807). CONCLUSION: Both treatment groups had numerically similar HbA1c reductions. A trend towards fewer hypoglycaemia episodes after dose stabilisation was seen with the simpler G3. Clinically, this may be an important observation, as a simpler titration algorithm may support self-management and maintenance of insulin therapy.


Subject(s)
Algorithms , Biomarkers/analysis , Blood Glucose/analysis , Diabetes Mellitus, Type 2/drug therapy , Hypoglycemic Agents/administration & dosage , Insulin Detemir/administration & dosage , Adult , Aged , Diabetes Mellitus, Type 2/blood , Diabetes Mellitus, Type 2/pathology , Dose-Response Relationship, Drug , Drug Administration Schedule , Female , Follow-Up Studies , Glycated Hemoglobin/analysis , Humans , Male , Middle Aged , Prognosis
15.
Diabetes Res Clin Pract ; 155: 107796, 2019 Sep.
Article in English | MEDLINE | ID: mdl-31326458

ABSTRACT

AIM: The aim of this study was to analyze the efficacy, insulin sensitivity and safety in the event of administering sulfonylurea-based drugs and metformin in combination with basal insulin. METHODS: A randomized, open-label, parallel, 16-week trial was conducted across four study centers. The 97 type 2 diabetic patients were selected and randomized into two groups, the insulin glargine plus fixed-dose combination glimepiride 1 mg and metformin 500 mg twice daily group (the G/M group) and the insulin glargine plus glimepiride 4 mg once daily group (the G group). The primary endpoint evaluated was change in HbA1c. The secondary endpoints evaluated were changes in fasting blood glucose (FPG), 2-h post prandial glucose (PPG 2 h), insulin, and C-peptide levels. RESULTS: The G/M group was found to have experienced a significantly greater decrease in HbA1c, as well as PPG 2 h compared to the G group. While no significant intergroup difference was found regarding FPG in the ITT, the G/M group in the PP set experienced a significantly greater decrease in FPG. CONCLUSION: Comparison of combined therapy consisting of either the G/M group or the G group indicated that both forms of therapy are relatively safe but that the former more effectively decreases blood glucose levels.


Subject(s)
Diabetes Mellitus, Type 2/drug therapy , Hypoglycemic Agents/therapeutic use , Insulin Resistance , Insulin/therapeutic use , Metformin/therapeutic use , Sulfonylurea Compounds/therapeutic use , Blood Glucose/analysis , Diabetes Mellitus, Type 2/blood , Drug Therapy, Combination , Female , Glycated Hemoglobin/analysis , Humans , Male , Middle Aged , Prognosis , Safety
17.
Diabetes Metab J ; 42(1): 43-52, 2018 Feb.
Article in English | MEDLINE | ID: mdl-29504305

ABSTRACT

BACKGROUND: Hypoglycemia is an important complication in the treatment of patients with diabetes. We surveyed the insight by patients with diabetes into hypoglycemia, their hypoglycemia avoidance behavior, and their level of worry regarding hypoglycemia. METHODS: A survey of patients with diabetes, who had visited seven tertiary referral centers in Daegu or Gyeongsangbuk-do, Korea, between June 2014 and June 2015, was conducted. The survey contained questions about personal history, symptoms, educational experience, self-management, and attitudes about hypoglycemia. RESULTS: Of 758 participants, 471 (62.1%) had experienced hypoglycemia, and 250 (32.9%) had experienced hypoglycemia at least once in the month immediately preceding the study. Two hundred and forty-two (31.8%) of the participants had received hypoglycemia education at least once, but only 148 (19.4%) knew the exact definition of hypoglycemia. Hypoglycemic symptoms identified by the participants were dizziness (55.0%), sweating (53.8%), and tremor (40.8%). They mostly chose candy (62.1%), chocolate (37.7%), or juice (36.8%) as food for recovering hypoglycemia. Participants who had experienced hypoglycemia had longer duration of diabetes and a higher proportion of insulin usage. The mean scores for hypoglycemia avoidance behavior and worry about hypoglycemia were 21.2±10.71 and 23.38±13.19, respectively. These scores tended to be higher for participants with higher than 8% of glycosylated hemoglobin, insulin use, and experience of emergency room visits. CONCLUSION: Many patients had experienced hypoglycemia and worried about it. We recommend identifying patients that are anxious about hypoglycemia and educating them about what to do when they develop hypoglycemic symptoms, especially those who have a high risk of hypoglycemia.

19.
Biochem Biophys Res Commun ; 493(1): 631-636, 2017 11 04.
Article in English | MEDLINE | ID: mdl-28888986

ABSTRACT

Adipocytes are involved in many metabolic disorders. It was recently reported that phosphodiesterase type 5 (PDE5) is expressed in human adipose tissue. In addition, PDE5 inhibitors have been shown to improve insulin sensitivity in humans. However, the mechanism underlying the role of PDE5 inhibitors as an insulin sensitizer remains largely unknown. The present study was undertaken to investigate the role of the PDE5 inhibitor udenafil in insulin signaling in adipocytes and whether this is mediated through the regulation of mitochondrial function. To study the mechanism underlying the insulin sensitizing action of PDE5 inhibitors, we evaluated quantitative changes in protein or mRNA levels of mitochondrial oxidative phosphorylation (OxPhos) complex, oxygen consumption rate (OCR), and fatty acid oxidation with varying udenafil concentrations in 3T3-L1 cells. Our cell study suggested that udenafil enhanced the insulin signaling pathway in 3T3-L1 cells. Following udenafil treatment, basal mitochondrial OCR, maximal OxPhos capacity, and OxPhos gene expression significantly increased. Finally, we examined whether udenafil can affect the fatty acid oxidation process. Treatment of 3T3-L1 cells with udenafil (10 and 20 µM) significantly increased fatty acid oxidation rate in a dose-dependent manner. In addition, the expression of peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) significantly increased. We demonstrated that the PDE5 inhibitor udenafil enhances insulin sensitivity by improving mitochondrial function in 3T3-L1 cells. This might be the mechanism underlying the PDE5 inhibitor-enhanced insulin signaling in adipocytes. This also suggests that udenafil may provide benefit in the treatment of type 2 diabetes and other related cardiovascular diseases.


Subject(s)
Adipocytes/physiology , Insulin Resistance/physiology , Insulin/administration & dosage , Mitochondria/physiology , Oxygen Consumption/physiology , Pyrimidines/administration & dosage , Sulfonamides/administration & dosage , 3T3-L1 Cells , Adipocytes/drug effects , Animals , Dose-Response Relationship, Drug , Fatty Acids/metabolism , Mice , Mitochondria/drug effects , Oxygen Consumption/drug effects , Phosphodiesterase 5 Inhibitors/administration & dosage
20.
Clin Endocrinol (Oxf) ; 85(5): 797-804, 2016 Nov.
Article in English | MEDLINE | ID: mdl-27234487

ABSTRACT

OBJECTIVE: Although the presence of oncocytic change in less than 75% of a tumour is not considered to indicate oncocytic variants of papillary thyroid carcinoma (PTC), we frequently observe partial oncocytic change, especially in obese PTC patients. Thus, we sought to investigate the relationship between the presence of oncocytic change of PTC and its prognosis. DESIGN, SETTING AND PARTICIPANTS: We retrospectively studied 142 patients with PTC who had undergone surgery between 2000 and 2005, and re-evaluated their PTC slides to record the proportion of oncocytic change in 10% increments from 0% to 100%. MAJOR OUTCOME MEASURE: We analysed the relationship between the proportion of oncocytic change and clinicopathological prognostic factors. RESULTS: Oncocytic change was found in 45·8% (65/142) of PTC patients. The proportion of patients with oncocytic change was higher in obese patients than in lean patients and showed a significant correlation with the BMI (r = 0·195, P = 0·020). The PTC patients with oncocytic change showed a higher recurrence rate than PTC patients without oncocytic change (30·8% vs 11·7%, respectively; P = 0·005). The presence of oncocytic change in PTC patients was associated with a shorter disease-free survival in a Kaplan-Meier analysis after a mean follow-up of 8·9 years. CONCLUSION: The patients with PTC with oncocytic change presented with a higher recurrence rate and were more likely to be obese. These findings suggest that presence of oncocytic change is a poor prognostic factor in PTC patients, even if the oncocytic change involves less than 75% of a tumour.


Subject(s)
Carcinoma/pathology , Oxyphil Cells/pathology , Thyroid Neoplasms/pathology , Adult , Carcinoma/mortality , Carcinoma, Papillary , Cell Count , Disease-Free Survival , Female , Humans , Male , Middle Aged , Obesity , Prognosis , Retrospective Studies , Thyroid Cancer, Papillary , Thyroid Neoplasms/mortality
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