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1.
Diabetes Obes Metab ; 22(9): 1527-1536, 2020 09.
Article in English | MEDLINE | ID: mdl-32319168

ABSTRACT

AIM: To investigate the efficacy and safety of evogliptin compared with linagliptin in patients with type 2 diabetes. MATERIALS AND METHODS: In this 12-week, multicentre, randomized, double-blind, active-controlled, and 12-week open-label extension study, a total of 207 patients with type 2 diabetes who had HbA1c levels of 7.0%-10.0% were randomized 1:1 to receive evogliptin 5 mg (n = 102) or linagliptin 5 mg (n = 105) daily for 12 weeks. The primary efficacy endpoint was the change from baseline HbA1c at week 12. The secondary endpoint was the change in the mean amplitude of glycaemic excursion (MAGE) assessed by continuous glucose monitoring. In the extension study conducted during the following 12 weeks, evogliptin 5 mg daily was administered to both groups: evogliptin/evogliptin group (n = 95) and linagliptin/evogliptin group (n = 92). RESULTS: After 12 weeks of treatment, the mean change in HbA1c in the evogliptin group and in the linagliptin group was -0.85% and -0.75%, respectively. The between-group difference was -0.10% (95% CI: -0.32 to 0.11), showing non-inferiority based on a non-inferiority margin of 0.4%. The change in MAGE was -24.6 mg/dL in the evogliptin group and -16.7 mg/dL in the linagliptin group. These values were significantly lower than the baseline values in both groups. However, they did not differ significantly between the two groups. In the evogliptin/evogliptin group at week 24, HbA1c decreased by -0.94%, with HbA1c values of <7.0% in 80.2% of the patients. The incidence and types of adverse events were comparable between the two groups for 24 weeks. CONCLUSION: In this study, the glucose-lowering efficacy of evogliptin was non-inferior to linagliptin. It was maintained at week 24 with a 0.94% reduction in HbA1c. Evogliptin therapy improved glycaemic variability without causing any serious adverse events in patients with type 2 diabetes.


Subject(s)
Diabetes Mellitus, Type 2 , Dipeptidyl-Peptidase IV Inhibitors , Blood Glucose , Blood Glucose Self-Monitoring , Diabetes Mellitus, Type 2/drug therapy , Dipeptidyl-Peptidase IV Inhibitors/adverse effects , Double-Blind Method , Drug Therapy, Combination , Glycated Hemoglobin/analysis , Humans , Hypoglycemic Agents/adverse effects , Linagliptin/adverse effects , Piperazines , Treatment Outcome
2.
Eur J Cancer ; 124: 161-169, 2020 01.
Article in English | MEDLINE | ID: mdl-31790974

ABSTRACT

INTRODUCTION: Conservative active surveillance has been proposed for low-risk papillary thyroid microcarcinoma (PTMC), defined as ≤1.0 cm and lacking clinical aggressive features, but controversy exists with accepting it as not all such PTMCs are uniformly destined for benign prognosis. This study investigated whether BRAF V600E status could further risk stratify PTMC, particularly low-risk PTMC, and can thus help with more accurate case selection for conservative management. METHODS: This international multicenter study included 743 patients treated with total thyroidectomy for PTMC (584 women and 159 men), with a median age of 49 years (interquartile range [IQR], 39-59 years) and a median follow-up time of 53 months (IQR, 25-93 months). RESULTS: On overall analyses of all PTMCs, tumour recurrences were 6.4% (32/502) versus 10.8% (26/241) in BRAF mutation-negative versus BRAF mutation-positive patients (P = 0.041), with a hazard ratio (HR) of 2.44 (95% CI (confidence interval), 1.15-5.20) after multivariate adjustment for confounding clinical factors. On the analyses of low-risk PTMC, recurrences were 1.3% (5/383) versus 4.3% (6/139) in BRAF mutation-negative versus BRAF mutation-positive patients, with an HR of 6.65 (95% CI, 1.80-24.65) after adjustment for confounding clinical factors. BRAF mutation was associated with a significant decline in the Kaplan-Meier recurrence-free survival curve in low-risk PTMC. CONCLUSIONS: BRAF V600E differentiates the recurrence risk of PTMC, particularly low-risk PTMC. Given the robust negative predictive value, conservative active surveillance of BRAF mutation-negative low-risk PTMC is reasonable whereas the increased recurrence risk and other well-known adverse effects of BRAF V600E make the feasibility of long-term conservative surveillance uncertain for BRAF mutation-positive PTMC.


Subject(s)
Carcinoma, Papillary/genetics , Proto-Oncogene Proteins B-raf/genetics , Thyroid Neoplasms/genetics , Watchful Waiting/methods , Adult , Decision Making , Female , Humans , Male , Middle Aged , Prognosis
3.
J Am Geriatr Soc ; 60(4): 700-6, 2012 Apr.
Article in English | MEDLINE | ID: mdl-22316299

ABSTRACT

OBJECTIVES: To investigate whether vitamin D levels are independently associated with visceral obesity, sarcopenia, or sarcopenic obesity. DESIGN: Cross-sectional. SETTING: Population-based sample of elderly adults living in Ansan, Korea. PARTICIPANTS: Two hundred sixteen men and 268 women aged 65 and older. MEASUREMENTS: Serum 25-hydroxyvitamin D (25(OH)D) levels, visceral fat area (VFA) according to abdominal computed tomography scanning, and body composition (body fat percentage, appendicular skeletal muscle mass (ASM)) using dual-energy X-ray absorptiometry. Visceral obesity was defined as VFA of 100 cm(2) or greater and sarcopenia as ASM/height(2) more than 1 standard deviation (SD) below the sex-specific mean of a young reference group. RESULTS: The adjusted 25(OH)D level for men was negatively associated with systolic blood pressure, VFA, and body fat percentage but positively associated with ASM. In women, waist circumference, triglyceride levels, and VFA were negatively correlated with 25(OH)D levels. In the joint regression model, VFA and ASM were independently associated with 25(OH)D levels (ß = -0.078, P = .01 and ß = 0.087, P = .02, respectively) per 1SD difference in VFA and ASM in men but not women. When participants were categorized according to four visceral obesity and sarcopenia categories, adjusted mean 25(OH)D level was lower in men with visceral obesity than in men without but was not affected by the presence or absence of sarcopenia. CONCLUSION: Greater visceral fat and lower muscle mass were associated with lower 25(OH)D levels in elderly Korean men, suggesting that screening for vitamin D deficiency may be appropriate in older Koreans with visceral obesity or sarcopenia. Sarcopenic obesity as defined according to prespecified criteria did not have an additive association with 25(OH)D levels.


Subject(s)
Obesity, Abdominal/complications , Sarcopenia/etiology , Vitamin D Deficiency/etiology , Aged , Aged, 80 and over , Body Mass Index , Cross-Sectional Studies , Female , Follow-Up Studies , Humans , Incidence , Male , Middle Aged , Obesity, Abdominal/epidemiology , Prospective Studies , Republic of Korea/epidemiology , Risk Factors , Sarcopenia/epidemiology , Vitamin D/analogs & derivatives , Vitamin D/blood , Vitamin D Deficiency/blood , Vitamin D Deficiency/epidemiology
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