1.Study Design and Protocol for a Randomized Controlled Trial to Assess Long-Term Efficacy and Safety of a Triple Combination of Ezetimibe, Fenofibrate, and Moderate-Intensity Statin in Patients with Type 2 Diabetes and Modifiable Cardiovascular Risk Factors (ENSEMBLE)
Nam Hoon KIM ; Juneyoung LEE ; Suk CHON ; Jae Myung YU ; In-Kyung JEONG ; Soo LIM ; Won Jun KIM ; Keeho SONG ; Ho Chan CHO ; Hea Min YU ; Kyoung-Ah KIM ; Sang Soo KIM ; Soon Hee LEE ; Chong Hwa KIM ; Soo Heon KWAK ; Yong‐ho LEE ; Choon Hee CHUNG ; Sihoon LEE ; Heung Yong JIN ; Jae Hyuk LEE ; Gwanpyo KOH ; Sang-Yong KIM ; Jaetaek KIM ; Ju Hee LEE ; Tae Nyun KIM ; Hyun Jeong JEON ; Ji Hyun LEE ; Jae-Han JEON ; Hye Jin YOO ; Hee Kyung KIM ; Hyeong-Kyu PARK ; Il Seong NAM-GOONG ; Seongbin HONG ; Chul Woo AHN ; Ji Hee YU ; Jong Heon PARK ; Keun-Gyu PARK ; Chan Ho PARK ; Kyong Hye JOUNG ; Ohk-Hyun RYU ; Keun Yong PARK ; Eun-Gyoung HONG ; Bong-Soo CHA ; Kyu Chang WON ; Yoon-Sok CHUNG ; Sin Gon KIM
Endocrinology and Metabolism 2024;39(5):722-731
Background:
Atherogenic dyslipidemia, which is frequently associated with type 2 diabetes (T2D) and insulin resistance, contributes to the development of vascular complications. Statin therapy is the primary approach to dyslipidemia management in T2D, however, the role of non-statin therapy remains unclear. Ezetimibe reduces cholesterol burden by inhibiting intestinal cholesterol absorption. Fibrates lower triglyceride levels and increase high-density lipoprotein cholesterol (HDL-C) levels via peroxisome proliferator- activated receptor alpha agonism. Therefore, when combined, these drugs effectively lower non-HDL-C levels. Despite this, few clinical trials have specifically targeted non-HDL-C, and the efficacy of triple combination therapies, including statins, ezetimibe, and fibrates, has yet to be determined.
Methods:
This is a multicenter, prospective, randomized, open-label, active-comparator controlled trial involving 3,958 eligible participants with T2D, cardiovascular risk factors, and elevated non-HDL-C (≥100 mg/dL). Participants, already on moderate-intensity statins, will be randomly assigned to either Ezefeno (ezetimibe/fenofibrate) addition or statin dose-escalation. The primary end point is the development of a composite of major adverse cardiovascular and diabetic microvascular events over 48 months.
Conclusion
This trial aims to assess whether combining statins, ezetimibe, and fenofibrate is as effective as, or possibly superior to, statin monotherapy intensification in lowering cardiovascular and microvascular disease risk for patients with T2D. This could propose a novel therapeutic approach for managing dyslipidemia in T2D.
3.Surface-Modifying Effect of Zwitterionic Polyurethane Oligomers Complexed with Metal Ions on Blood Compatibility
Dong-Heon GA ; Chung-Man LIM ; Yoonsun JANG ; Tae Il SON ; Dong Keun HAN ; Yoon Ki JOUNG
Tissue Engineering and Regenerative Medicine 2022;19(1):35-47
BACKGROUND:
To prevent unsolved problems of medical devices, we hypothesized that combinatorial effects of zwitterionic functional group and anti-bacterial metal ions can reduce effectively the thrombosis and bacterial infection of polymeric biomaterials. In this research, we designed a novel series of zwitterionic polyurethane (zPU) additives to impart anti-thrombotic properties to a polyvinyl chloride (PVC) matrix.
METHODS:
We have synthesized zPUs by combination of various components and zPUs complexed with metal ions. Zwitterion group was prepared by reaction with 1,3-propane sultone and Nmethyldiethanolamine and metal ions were incorporated into sulfobetaine chains via molecular complexation. These zPU additives were characterized using FT-IR, 1H-NMR, elemental analysis, and thermal analysis. The PVC film blended with zPU additives were prepared by utilizing a solvent casting and hot melting process.
RESULTS:
Water contact angle demonstrated that the introduction of zwitterion group has improved hydrophilicity of polyurethanes dramatically. Protein adsorption test resulted in improved anti-fouling effects dependent on additive concentration and decreases in their effects by metal complexation. Platelet adhesion test revealed anti-fouling effects by additive blending but not significant as compared to protein resistance results.
CONCLUSION
With further studies, the synthesized zPUs and zPUs complexed with metal ions are expected to be used as good biomaterials in biomedical fields. Based on our results, we can carefully estimate that the enhanced anti-fouling effect contributed to reduced platelet adhesion.
4.Comparison of the 2017 EULAR/ACR Criteria with Clinicoserologic Criteria for the Classification of Idiopathic Inflammatory Myopathies in Korean Patients
Sang Wan CHUNG ; In Seol YOO ; Jinhyun KIM ; Seong Wook KANG ; Mihye KWON ; Chung-Il JOUNG ; In Ah CHOI ; Sung Hae CHANG ; Mi Il KANG ; Seung-Jae HONG ; Yeon-Ah LEE
Yonsei Medical Journal 2021;62(5):424-430
Purpose:
To investigate correlations between myositis-specific autoantibodies (MSA) or myositis-associated antibodies (MAA) and clinical features, thereby demonstrating the utility of clinicoserologic classification in idiopathic inflammatory myopathies (IIM) patients.
Materials and Methods:
We conducted a multicenter study of 108 adult patients (age ≥18 years) who were diagnosed with IIM by Peter and Bohan criteria or 2004 European Neuromuscular Centre (ENMC) criteria. Clinical data were obtained by medical record review. Immunoblot assay with Euroline strip (EUROIMMUN, Germany) was performed using the sera of dermatomyositis (DM, n=56), polymyositis (PM, n=45), amyopathic DM (n=5), DM sine dermatitis (n=1), and immune mediated necrotizing myopathy (n=1) patients. Patients were classified based on two classifications: 2017 EULAR/ACR and novel clinicoserologic classification.
Results:
According to 2017 EULAR/ACR criteria, DM and PM were the most and the second most frequent entities. Overlap myositis was the major entity of IIM, and the frequency of PM was significantly lower when applying clinicoserologic classification criteria. Sixty-nine (63.9%) patients had one or more MSA, and 61 (56.5%) patients had one or more MAA. Interstitial lung disease was closely associated with anti-MDA5 and anti-ARS, and DM-specific skin lesions were frequently observed in patients with antiTIF1γ, anti-SRP, and anti-MDA5.
Conclusion
The clinicoserologic criteria based on MSA/MAA positivity could reflect more precise clinical features of IIM. Establishment of a laboratory system routinely available to screen for MSA/MAA status will be beneficial to provide precise diagnosis and proper management of IIM patients.
5.Comparison of the 2017 EULAR/ACR Criteria with Clinicoserologic Criteria for the Classification of Idiopathic Inflammatory Myopathies in Korean Patients
Sang Wan CHUNG ; In Seol YOO ; Jinhyun KIM ; Seong Wook KANG ; Mihye KWON ; Chung-Il JOUNG ; In Ah CHOI ; Sung Hae CHANG ; Mi Il KANG ; Seung-Jae HONG ; Yeon-Ah LEE
Yonsei Medical Journal 2021;62(5):424-430
Purpose:
To investigate correlations between myositis-specific autoantibodies (MSA) or myositis-associated antibodies (MAA) and clinical features, thereby demonstrating the utility of clinicoserologic classification in idiopathic inflammatory myopathies (IIM) patients.
Materials and Methods:
We conducted a multicenter study of 108 adult patients (age ≥18 years) who were diagnosed with IIM by Peter and Bohan criteria or 2004 European Neuromuscular Centre (ENMC) criteria. Clinical data were obtained by medical record review. Immunoblot assay with Euroline strip (EUROIMMUN, Germany) was performed using the sera of dermatomyositis (DM, n=56), polymyositis (PM, n=45), amyopathic DM (n=5), DM sine dermatitis (n=1), and immune mediated necrotizing myopathy (n=1) patients. Patients were classified based on two classifications: 2017 EULAR/ACR and novel clinicoserologic classification.
Results:
According to 2017 EULAR/ACR criteria, DM and PM were the most and the second most frequent entities. Overlap myositis was the major entity of IIM, and the frequency of PM was significantly lower when applying clinicoserologic classification criteria. Sixty-nine (63.9%) patients had one or more MSA, and 61 (56.5%) patients had one or more MAA. Interstitial lung disease was closely associated with anti-MDA5 and anti-ARS, and DM-specific skin lesions were frequently observed in patients with antiTIF1γ, anti-SRP, and anti-MDA5.
Conclusion
The clinicoserologic criteria based on MSA/MAA positivity could reflect more precise clinical features of IIM. Establishment of a laboratory system routinely available to screen for MSA/MAA status will be beneficial to provide precise diagnosis and proper management of IIM patients.
6.Clinical Targeted Next-Generation sequencing Panels for Detection of Somatic Variants in Gliomas
Hyemi SHIN ; Jason K. SA ; Joon Seol BAE ; Harim KOO ; Seonwhee JIN ; Hee Jin CHO ; Seung Won CHOI ; Jong Min KYOUNG ; Ja Yeon KIM ; Yun Jee SEO ; Je-Gun JOUNG ; Nayoung K. D. KIM ; Dae-Soon SON ; Jongsuk CHUNG ; Taeseob LEE ; Doo-Sik KONG ; Jung Won CHOI ; Ho Jun SEOL ; Jung-Il LEE ; Yeon-Lim SUH ; Woong-Yang PARK ; Do-Hyun NAM
Cancer Research and Treatment 2020;52(1):41-50
Purpose:
Targeted next-generation sequencing (NGS) panels for solid tumors have been useful in clinical framework for accurate tumor diagnosis and identifying essential molecular aberrations. However, most cancer panels have been designed to address a wide spectrum of pan-cancer models, lacking integral prognostic markers that are highly specific to gliomas.
Materials and Methods:
To address such challenges, we have developed a glioma-specific NGS panel, termed “GliomaSCAN,” that is capable of capturing single nucleotide variations and insertion/deletion, copy number variation, and selected promoter mutations and structural variations that cover a subset of intron regions in 232 essential glioma-associated genes. We confirmed clinical concordance rate using pairwise comparison of the identified variants from whole exome sequencing (WES), immunohistochemical analysis, and fluorescence in situ hybridization.
Results:
Our panel demonstrated high sensitivity in detecting potential genomic variants that were present in the standard materials. To ensure the accuracy of our targeted sequencing panel, we compared our targeted panel to WES. The comparison results demonstrated a high correlation. Furthermore, we evaluated clinical utility of our panel in 46 glioma patients to assess the detection capacity of potential actionable mutations. Thirty-two patients harbored at least one recurrent somatic mutation in clinically actionable gene.
Conclusion
We have established a glioma-specific cancer panel. GliomaSCAN highly excelled in capturing somatic variations in terms of both sensitivity and specificity and provided potential clinical implication in facilitating genome-based clinical trials. Our results could provide conceptual advance towards improving the response of genomically guided molecularly targeted therapy in glioma patients.
7.Productivity Loss of Rheumatoid Arthritis Patients according to the Their Stages of the Disease Activity Score.
Sang Cheol BAE ; Jin Hye CHA ; Jung Yoon CHOE ; Sung Jae CHOI ; Soo Kyung CHO ; Won Tae CHUNG ; Chung Il JOUNG ; Young Ok JUNG ; Young Mo KANG ; Dong Wook KIM ; Jinseok KIM ; Young Joo KIM ; Choong Ki LEE ; Hye Soon LEE ; Jisoo LEE ; Sang Heon LEE ; Sang Hoon LEE ; Shin Seok LEE ; Yeon Ah LEE ; Seong Su NAH ; Seung Cheol SHIM ; Gwan Gyu SONG ; Chang Hee SUH ; Soyoung WON ; Wan Hee YOO ; Bo Young YOON
Journal of Rheumatic Diseases 2018;25(2):122-130
OBJECTIVE: Productivity loss was compared by 3-stage of disease activity and associations between higher disease activity and high productivity loss were identified. METHODS: Data were extracted from Rheumatoid Arthritis (RA) Patient-reported Outcomes Research, which enrolled 2,000 RA patients (>20-year) on disease-modifying-antirheumatic-drugs (DMARDs) (≥6-month) from December 2012 to June 2013. This included 1,457 RA patients with the disease activity score (DAS-28-ESR) in their medical charts. Productivity loss in time and indirect cost was estimated using The World Health Organization Health and Work Performance Questionnaire (HPQ). Baseline characteristics and productivity loss outcomes were compared according to DAS-28-ESR groups. RESULTS: 84.4% were females, 54.2% had low DAS-28-ESR ( < 3.2), and 38.2% and 7.6% had moderate (3.2∼5.1) and high DAS-28-ESR (>5.1). Patients with moderate to high DAS-28-ESR had higher lost productivity time (LPT) and monthly costs of LPT than those with low DAS-28-ESR (time in hours: 110.0±58.4 vs. 132.4±57.2 vs. 71.5±52.0, p < 0.0001; monthly costs of LPT in 1,000 Korean won: 1,097±607 vs. 1,302±554 vs. 741±531, p < 0.0001). Multiple regression analyses revealed significant associations with high LPT in high (adjusted odds ratio [OR]=3.87, 95% confidence interval [CI]: 2.18∼6.87) and moderate DAS-28-ESR (adjusted OR=1.88, 95% CI: 1.41∼2.52) compared to low DAS-28-ESR. In addition, positive associations with high monthly costs of LPT were observed in high (adjusted OR=3.45, 95% CI: 1.98∼5.99) and moderate DAS-28-ESR (adjusted OR=1.93, 95% CI: 1.43∼2.54) compared to low DAS-28-ESR. CONCLUSION: Timely therapeutic strategies should be taken into consideration given that the RA patients with moderate to high DAS-28-ESR showed strong associations with high productivity loss for effective management of RA.
Arthritis, Rheumatoid*
;
Efficiency*
;
Female
;
Humans
;
Odds Ratio
;
Outcome Assessment (Health Care)
;
Work Performance
;
World Health Organization
8.Targeted exome sequencing resolves allelic and the genetic heterogeneity in the genetic diagnosis of nephronophthisis-related ciliopathy.
Hee Gyung KANG ; Hyun Kyung LEE ; Yo Han AHN ; Je Gun JOUNG ; Jaeyong NAM ; Nayoung K D KIM ; Jung Min KO ; Min Hyun CHO ; Jae Il SHIN ; Joon KIM ; Hye Won PARK ; Young Seo PARK ; Il Soo HA ; Woo Yeong CHUNG ; Dae Yeol LEE ; Su Young KIM ; Woong Yang PARK ; Hae Il CHEONG
Experimental & Molecular Medicine 2016;48(8):e251-
Nephronophthisis-related ciliopathy (NPHP-RC) is a common genetic cause of end-stage renal failure during childhood and adolescence and exhibits an autosomal recessive pattern of inheritance. Genetic diagnosis is quite limited owing to genetic heterogeneity in NPHP-RC. We designed a novel approach involving the step-wise screening of Sanger sequencing and targeted exome sequencing for the genetic diagnosis of 55 patients with NPHP-RC. First, five NPHP-RC genes were analyzed by Sanger sequencing in phenotypically classified patients. Known pathogenic mutations were identified in 12 patients (21.8%); homozygous deletions of NPHP1 in 4 juvenile nephronophthisis patients, IQCB1/NPHP5 mutations in 3 Senior–Løken syndrome patients, a CEP290/NPHP6 mutation in 1 Joubert syndrome patient, and TMEM67/MKS3 mutations in 4 Joubert syndrome patients with liver involvement. In the remaining undiagnosed patients, we applied targeted exome sequencing of 34 ciliopathy-related genes to detect known pathogenic mutations in 7 (16.3%) of 43 patients. Another 18 likely damaging heterozygous variants were identified in 13 NPHP-RC genes in 18 patients. In this study, we report a variety of pathogenic and candidate mutations identified in 55 patients with NPHP-RC in Korea using a step-wise application of two genetic tests. These results support the clinical utility of targeted exome sequencing to resolve the issue of allelic and genetic heterogeneity in NPHP-RC.
Adolescent
;
Diagnosis*
;
Exome*
;
Genetic Heterogeneity*
;
Humans
;
Kidney Failure, Chronic
;
Korea
;
Liver
;
Mass Screening
;
Wills
9.Genetic Associations of Mitochondrial DNA Polymorphisms with Behcet's Disease in a Korean Population: A Pilot Study.
Journal of Rheumatic Diseases 2016;23(1):23-29
OBJECTIVE: Pathogenesis of Behcet's disease (BD) is known to be multifactorial and accumulating data suggest genetic mechanisms. Variations in nuclear DNAs have been largely investigated, while studies on mitochondrial DNAs are limited. The purpose of the current study is to investigate associations of mitochondrial single nucleotide polymorphisms and haplotypes with BD. METHODS: Complete mitochondrial DNAs were sequenced using chip array with blood samples collected from 20 patients and 10 control subjects. Haplotypes were searched in hypervariable region 1 and 2. Chi square or Fisher's exact test was used to analyze associations of mitochondrial single nucleotide polymorphisms between two groups and associations between clinical characteristics and mitochondrial single nucleotide polymorphisms. RESULTS: From a total of 16,569 for each individual, 16,545 mitochondrial DNA nucleotides were sequenced. m.248A>G, m.709G>A, m.3970C>T, m.6392T>C, m.6962G>A, m.10310G>A, m.10609T>C, m.12406G>A, m.12882C>T, m.13928G>C, m.16129G>A, and m16304T>C were observed more frequently in the patient group, although without statistical significance, while m.304C>A, m.3010G>A, m.4883C>T, m.5178C>A, and m.14668C>T were more frequent in the control group (p=0.008, 0.026, 0.007, 0.007, and 0.026, respectively). m.16182A>C, m.16183A>C, and m.16189T>C were associated with uveitis (p=0.041, 0.022, and 0.014, respectively). None of the haplotypes we searched were statistically associated with BD risk, but B4a was observed more frequently in the patient group. CONCLUSION: We report the first association study between BD and mitochondrial single nucleotide polymorphisms in a Korean population. In the current study, m.248A>G, m.709G>A, m.3970C>T, m.6392T>C, m.6962G>A, m.10310G>A, m.10609T>C, m.12406G>A, m.12882C>T, m.13928G>C, m.16129G>A, and m16304 T>C could be candidate mitochondrial single nucleotide polymorphisms in BD.
DNA
;
DNA, Mitochondrial*
;
Haplotypes
;
Humans
;
Mitochondria
;
Nucleotides
;
Pilot Projects*
;
Polymorphism, Single Nucleotide
;
Uveitis
10.A Case of Podostroma Cornu-Damae Intoxication Induced Pancytopenia and Skin Desquamation: Successful Treatment with Granulocyte Colony Stimulation Factor (G-CFS).
Jung Seok KIM ; Gyu Won KIM ; Jae Il CHUNG ; Myoung Ki SIM ; Ki Chul YOON ; Yong Hoon CHOI ; Ha Ram YI ; In Zoo CHOI ; Chan Sup SHIM ; Joung Ho HAN
Journal of The Korean Society of Clinical Toxicology 2015;13(1):50-54
Podostroma cornu-damae is a rare species of fungus belonging to the Hyocreaceae family. Its fruit body is highly toxic, as it contains trichothecene mycotoxins. The morphology is similar to that of immature Ganoderma lucidum, making identification difficult for non-experts. We experienced such a case of a 56- year-old male who picked and consumed podostroma cornu-damae, and consumed. Later that day, he developed digestive system symptoms, including nausea, vomiting, and abdominal pain. He presented to the emergency room (ER), there were no abnormal physical findings, symptoms improved after gastric lavage, and the patient voluntarily discharged himself on the same day. The following day, as the symptoms gradually deteriorated, he was admitted via the ER. He was presented with severe pancytopenia, alopecia, desquamation of skin, and acute renal failure. He recovered without any complications after conservative care, antibiotics therapy, and granulocyte colony stimulating factor administration. The most commonly reported complications of podostroma cornu-damae intoxication were reported pancytopenia, infection, disseminated intravascular coagulation, acute renal failure, etc. since Prevention is especially important because its toxicity can be lethal and there is no particular treatment to date, prevention is especially important. Promotion and education for the public are needed.
Abdominal Pain
;
Acute Kidney Injury
;
Agaricales
;
Alopecia
;
Anti-Bacterial Agents
;
Colony-Stimulating Factors
;
Digestive System
;
Disseminated Intravascular Coagulation
;
Education
;
Emergency Service, Hospital
;
Fruit
;
Fungi
;
Gastric Lavage
;
Granulocytes*
;
Humans
;
Male
;
Mycotoxins
;
Nausea
;
Pancytopenia*
;
Reishi
;
Skin*
;
Vomiting

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