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Kim H, Choi CU, Rhew K, Park J, Lim Y, Kim MG, Kim K. Comparative effects of glucose-lowering agents on endothelial function and arterial stiffness in patients with type 2 diabetes: A network meta-analysis. Atherosclerosis 2024; 391:117490. [PMID: 38452432 DOI: 10.1016/j.atherosclerosis.2024.117490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 02/23/2024] [Accepted: 02/23/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND AND AIMS Despite accumulating evidence on the potential of glucose-lowering agents (GLAs) to prevent cardiovascular events, the comparative effects of GLAs on vascular function remain unclear. This study utilized validated indicators such as flow-mediated dilation (FMD; positive value favors) and pulse wave velocity (PWV; negative value favors) to uncover the comparative effects of GLAs on vascular function. METHODS Randomized controlled trials (RCTs) comparing the effects of GLAs on FMD or PWV with placebo or other GLAs in patients with type 2 diabetes (T2DM) were searched through PubMed and Embase. The frequentist method of network meta-analysis (NMA) was conducted using a random effects model, and standardized mean differences (SMDs) with 95% confidence intervals (CIs) were calculated. RESULTS The NMA included 38 RCTs with 2,065 patients. Glucagon-like peptide-1 receptor agonists (GLP-1RAs) and sodium glucose cotransporter-2 inhibitors (SGLT-2Is) had significantly more positive effects on FMD improvement and PWV reduction than placebo. Thiazolidinedione (TZD) treatment resulted in significantly improved FMD compared to other GLAs as well as placebo (SMD: 1.14; 95% CI: 0.84 to 1.43). Both pioglitazone and rosiglitazone were discovered to have considerably more favorable effects on improving FMD and reducing PWV compared to placebo and other GLAs, as a result of the analysis incorporating each drug in the TZD class. The sensitivity analysis results corroborated the main findings. CONCLUSIONS This NMA showed more favorable effects of GLP-1RAs and SGLT-2Is than placebo in improving both arterial stiffness and endothelial function in patients with T2DM. In addition, TZDs showed superior effects in improving endothelial function as compared with the other GLAs and placebo.
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Affiliation(s)
- Hayeon Kim
- College of Pharmacy, Korea University, Sejong, 30019, Republic of Korea
| | - Cheol Ung Choi
- Cardiovascular Center, Guro Hospital, Korea University College of Medicine, Seoul, 08308, Republic of Korea
| | - Kiyon Rhew
- College of Pharmacy, Dongduk Women's University, Seoul, 02748, Republic of Korea
| | - Jiwon Park
- College of Pharmacy, Korea University, Sejong, 30019, Republic of Korea
| | - Yejee Lim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, 13620, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, 03760, Republic of Korea; Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, 03760, Republic of Korea.
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong, 30019, Republic of Korea; Institute of Pharmaceutical Science, Korea University, Sejong, 30019, Republic of Korea.
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Han JY, Seo YE, Kwon JH, Kim JH, Kim MG. Cardioprotective Effects of PARP Inhibitors: A Re-Analysis of a Meta-Analysis and a Real-Word Data Analysis Using the FAERS Database. J Clin Med 2024; 13:1218. [PMID: 38592677 PMCID: PMC10932277 DOI: 10.3390/jcm13051218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/06/2024] [Accepted: 02/17/2024] [Indexed: 04/10/2024] Open
Abstract
Objective: This study aimed to assess the potential of PARP inhibitors to prevent cardiotoxicity. Methods: First, a re-analysis and update of a previously published study was conducted. Additional searches were conducted of the PubMed and Cochrane Central Register of Controlled Trials databases on 2 June 2023. After the selection process, the pooled odds ratio (OR) for cardiac adverse events (AEs) was calculated. Second, the FAERS database was examined for 10 frequently co-administered anticancer agents. The reporting odds ratio (ROR) was calculated based on the occurrence of cardiac AEs depending on the co-administration of PARP inhibitors. Results: Seven studies were selected for the meta-analysis. Although not statistically significant, co-administration of PARP inhibitors with chemotherapy/bevacizumab decreased the risk of cardiac AEs (Peto OR = 0.61; p = 0.36), while co-administration with antiandrogens increased the risk of cardiac AEs (Peto OR = 1.83; p = 0.18). A total of 19 cases of cardiac AEs were reported with co-administration of PARP inhibitors in the FAERS database. Co-administration of PARP inhibitors with chemotherapy/bevacizumab significantly decreased the risk of cardiac AEs (ROR = 0.352; 95% confidence interval (CI), 0.194-0.637). On the other hand, for antiandrogens co-administered with PARP inhibitors, the ROR was 3.496 (95% CI, 1.539-7.942). The ROR for immune checkpoint inhibitors co-administered with PARP inhibitors was 0.606 (95% CI, 0.151-2.432), indicating a non-significant effect on cardiac AEs. Conclusion: This study reports that PARP inhibitors show cardioprotective effects when used with conventional anticancer agents.
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Affiliation(s)
- Ja-Young Han
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Young-Eun Seo
- Graduate School of Clinical Biohealth, Ewha Womans University, Seoul 03760, Republic of Korea;
| | - Jae-Hee Kwon
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Jae Hyun Kim
- School of Pharmacy, Jeonbuk National University, Jeonju 54896, Republic of Korea;
| | - Myeong Gyu Kim
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
- College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea
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Kwon JH, Kim J, Lim KM, Kim MG. Integration of the Natural Language Processing of Structural Information Simplified Molecular-Input Line-Entry System Can Improve the In Vitro Prediction of Human Skin Sensitizers. Toxics 2024; 12:153. [PMID: 38393248 PMCID: PMC10892072 DOI: 10.3390/toxics12020153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/03/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024]
Abstract
Natural language processing (NLP) technology has recently used to predict substance properties based on their Simplified Molecular-Input Line-Entry System (SMILES). We aimed to develop a model predicting human skin sensitizers by integrating text features derived from SMILES with in vitro test outcomes. The dataset on SMILES, physicochemical properties, in vitro tests (DPRA, KeratinoSensTM, h-CLAT, and SENS-IS assays), and human potency categories for 122 substances sourced from the Cosmetics Europe database. The ChemBERTa model was employed to analyze the SMILES of substances. The last hidden layer embedding of ChemBERTa was tested with other features. Given the modest dataset size, we trained five XGBoost models using subsets of the training data, and subsequently employed bagging to create the final model. Notably, the features computed from SMILES played a pivotal role in the model for distinguishing sensitizers and non-sensitizers. The final model demonstrated a classification accuracy of 80% and an AUC-ROC of 0.82, effectively discriminating sensitizers from non-sensitizers. Furthermore, the model exhibited an accuracy of 82% and an AUC-ROC of 0.82 in classifying strong and weak sensitizers. In summary, we demonstrated that the integration of NLP of SMILES with in vitro test results can enhance the prediction of health hazard associated with chemicals.
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Affiliation(s)
| | | | - Kyung-Min Lim
- College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea; (J.-H.K.); (J.K.)
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea; (J.-H.K.); (J.K.)
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Yoo S, Mun Y, Kang N, Koo JM, Lee DH, Yoo JH, Lee SM, Koh S, Park JC, Kim T, Shin EK, Lee HS, Sim J, Kang KW, Kim SK, Cho C, Kim MG, Kim D, Lee J. Enhancement of the therapeutic efficacy of the MAP regimen using thiamine pyrophosphate-decorated albumin nanoclusters in osteosarcoma treatment. Bioeng Transl Med 2023; 8:e10472. [PMID: 38023714 PMCID: PMC10658614 DOI: 10.1002/btm2.10472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 11/15/2022] [Accepted: 12/06/2022] [Indexed: 12/27/2022] Open
Abstract
Recent studies on osteosarcoma regimens have mainly focused on modifying the combination of antineoplastic agents rather than enhancing the therapeutic efficacy of each component. Here, an albumin nanocluster (NC)-assisted methotrexate (MTX), doxorubicin (DOX), and cisplatin (MAP) regimen with improved antitumor efficacy is presented. Human serum albumin (HSA) is decorated with thiamine pyrophosphate (TPP) to increase the affinity to the bone tumor microenvironment (TME). MTX or DOX (hydrophobic MAP components) is adsorbed to HSA-TPP via hydrophobic interactions. MTX- or DOX-adsorbed HSA-TPP NCs exhibit 20.8- and 1.64-fold higher binding affinity to hydroxyapatite, respectively, than corresponding HSA NCs, suggesting improved targeting ability to the bone TME via TPP decoration. A modified MAP regimen consisting of MTX- or DOX-adsorbed HSA-TPP NCs and free cisplatin displays a higher synergistic anticancer effect in HOS/MNNG human osteosarcoma cells than conventional MAP. TPP-decorated NCs show 1.53-fold higher tumor accumulation than unmodified NCs in an orthotopic osteosarcoma mouse model, indicating increased bone tumor distribution. As a result, the modified regimen more significantly suppresses tumor growth in vivo than solution-based conventional MAP, suggesting that HSA-TPP NC-assisted MAP may be a promising strategy for osteosarcoma treatment.
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Affiliation(s)
- So‐Yeol Yoo
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Yong‐Hyeon Mun
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Nae‐Won Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National UniversitySeoulRepublic of Korea
| | - Jang Mo Koo
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Dong Hwan Lee
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Ji Hoon Yoo
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Sang Min Lee
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Seokjin Koh
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Jong Chan Park
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Taejung Kim
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Eun Kyung Shin
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National UniversitySeoulRepublic of Korea
| | - Han Sol Lee
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Jaehoon Sim
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Keon Wook Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National UniversitySeoulRepublic of Korea
| | - Sang Kyum Kim
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Cheong‐Weon Cho
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans UniversitySeoulRepublic of Korea
| | - Dae‐Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National UniversitySeoulRepublic of Korea
| | - Jae‐Young Lee
- College of Pharmacy, Chungnam National UniversityDaejeonRepublic of Korea
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Joo M, Moon S, Lee YS, Kim MG. Effects of very low-carbohydrate ketogenic diets on lipid profiles in normal-weight (body mass index < 25 kg/m2) adults: a meta-analysis. Nutr Rev 2023; 81:1393-1401. [PMID: 36931263 DOI: 10.1093/nutrit/nuad017] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Abstract
CONTEXT Very low-carbohydrate diets or ketogenic diets (KDs) have garnered attention for weight loss in patients with overweight or obesity as well as for normal-weight adults, yet the adverse effects of KDs, such as dyslipidemia in normal-weight adults, have not been studied extensively. OBJECTIVE This meta-analysis aimed to identify the effects of KDs on the lipid profile in normal-weight (body mass index [BMI] < 25 kg/m2) adults from randomized controlled trials. DATA SOURCES PubMed and Embase databases were searched on November 21, 2021, using search terms representing KDs and lipid profiles. Two researchers independently screened articles according to PICOS inclusion criteria. DATA EXTRACTION General study information, dietary data, and lipid profiles were extracted from eligible studies. Risk of bias was assessed using the Cochrane risk of bias 2 tool. DATA ANALYSIS Fixed- or random-effects meta-analysis was performed to estimate the effects of KDs on total cholesterol (TC), high-density lipoprotein-cholesterol (HDL-C), low-density lipoprotein-cholesterol (LDL-C), triglycerides, apolipoprotein A (apoA), and apolipoprotein B (apoB), considering heterogeneity across studies. The certainty of evidence was assessed using the GRADE (Grading of Recommendations, Assessment, Development and Evaluation) approach. RESULTS Three studies were selected for meta-analysis. A KD significantly increased TC by 1.47 mmol/L (95%CI, 0.72-2.22 mmol/L), LDL-C by 1.08 mmol/L (95%CI, 0.37-1.79 mmol/L), and apoB by 0.35 g/L (95%CI, 0.06-0.65 g/L). In addition, a KD significantly increased HDL-C by 0.35 mmol/L (95%CI, 0.27-0.42 mmol/L) and apoA by 0.34 g/L (95%CI, 0.28-0.41 g/L) compared with control diets. Triglyceride levels were not significantly different between KDs and control diets (P = 0.63). CONCLUSION This study suggests unfavorable effects of KDs on TC and LDL-C in normal-weight adults. Although an increase in HDL-C can compensate for unfavorable changes in lipids, normal-weight individuals should consider the risk of hypercholesterolemia when consuming a KD. Results for triglycerides were inconsistent.
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Affiliation(s)
- Minjin Joo
- are with the College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Sumin Moon
- are with the College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Young Seo Lee
- are with the College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Myeong Gyu Kim
- are with the College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
- is with the Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
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Lee YS, Park JW, Joo M, Moon S, Kim K, Kim MG. Effects of Omega-3 Fatty Acids on Flow-mediated Dilatation and Carotid Intima Media Thickness: A Meta-analysis. Curr Atheroscler Rep 2023; 25:629-641. [PMID: 37552456 DOI: 10.1007/s11883-023-01137-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/26/2023] [Indexed: 08/09/2023]
Abstract
PURPOSE OF REVIEW To investigate the effects of omega-3 fatty acids on flow-mediated dilatation (FMD) and carotid intima-media thickness (CIMT) and explore the factors influencing these effects. RECENT FINDINGS FMD was significantly higher in the omega-3 fatty acid group compared to the control group (mean difference = 0.90%; p = 0.0003). In particular, the subgroup with CHD (both EPA + DHA < 1 g/day and ≥ 1 g/day) and the subgroup without CHD but with CHD risk factors (only EPA + DHA ≥ 1 g/day) showed significantly increased FMD after supplementation of omega-3 fatty acids. CIMT was not significantly different between the omega-3 fatty acid and control groups (standardized mean difference = -0.08; p = 0.26). Subgroup analysis of CHD patients was not conducted because of the limited number of studies. Intake of omega-3 fatty acids improved FMD in patients with CHD and patients with risk factors for CHD. Further research is needed on the effects of omega-3 fatty acids on CIMT.
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Affiliation(s)
- Young Seo Lee
- College of Pharmacy, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Ji Won Park
- College of Pharmacy, Korea University, Sejong, 30019, Republic of Korea
| | - Minjin Joo
- College of Pharmacy, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Sumin Moon
- College of Pharmacy, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong, 30019, Republic of Korea.
- Institute of Pharmaceutical Science, Korea University, Sejong, 30019, Republic of Korea.
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, 03760, Republic of Korea.
- Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, 03760, Republic of Korea.
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Lee SW, Park J, Kim H, Jang J, Choi KM, Baek YS, Kim MG, Kim K. Risk of type 2 diabetes mellitus in adult patients with atopic dermatitis. Diabetes Res Clin Pract 2023; 204:110883. [PMID: 37595846 DOI: 10.1016/j.diabres.2023.110883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 08/13/2023] [Accepted: 08/15/2023] [Indexed: 08/20/2023]
Abstract
AIMS This study aimed to investigate the subsequent risk of type 2 diabetes mellitus (T2D) in adults newly diagnosed with atopic dermatitis (AD). METHODS This propensity score-matching cohort study used data from the National Health Insurance Service-National Sample Cohort (NHIS-NSC) 2.0 database in South Korea from 2002 to 2015. The adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) were estimated using a Cox proportional hazards model, for the new onset of T2D (ICD-10 code, E11) in AD patients compared to the matched controls. Subgroup and sensitivity analyses were also conducted. RESULTS Each of the 36,692 individuals in the AD group and matched control group was included in the analysis. The risk of T2D in the AD group was significantly higher than that of the matched controls in the adjusted model (adjusted HR 1.44; 95% CI 1.27-1.63, P <.001). The results of subgroup analysis by sex, age, and body mass index were consistent with the results of the primary analysis. Sensitivity analyses using different T2D and/or AD definitions also showed consistent results. CONCLUSIONS The significant risk of subsequent T2D in adult AD patients suggested the necessity for efforts to prevent T2D in AD patients.
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Affiliation(s)
- Seung Won Lee
- Institute of Pharmaceutical Science, Korea University, Sejong, Republic of Korea
| | - Jiwon Park
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Hayeon Kim
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Jaebong Jang
- Institute of Pharmaceutical Science, Korea University, Sejong, Republic of Korea; College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Kyung Mook Choi
- Division of Endocrinology & Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Yoo Sang Baek
- Department of Dermatology, Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Kyungim Kim
- Institute of Pharmaceutical Science, Korea University, Sejong, Republic of Korea; College of Pharmacy, Korea University, Sejong, Republic of Korea.
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Chun KH, Jin HK, Yoon JH, Kim MG, Choi KH, Kim E, Kim H, Kim JK, Kim G, Kim K, Lee JY, Chung EK, Lee YS, Rhie SJ. Novel innovative computer-based test (Inno-CBT) item types for national licensing examinations for health care professionals. BMC Med Educ 2023; 23:560. [PMID: 37559039 PMCID: PMC10410778 DOI: 10.1186/s12909-023-04444-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 06/12/2023] [Indexed: 08/11/2023]
Abstract
BACKGROUND An effective test mechanism to evaluate clinical knowledge and skills of the entry-level healthcare professionals is important for providing clinical competency and improving patient care. This study aimed to develop novel, innovative computer-based test (Inno-CBT) item types for application in the national examination of Korean healthcare professionals. METHODS This exploratory study was conducted from May 2021 to March 2022 by a team of faculty members from pharmacy schools in South Korea. A literature search using PubMed, Google Scholar, RISS, Web of Science, and KoreaMed was performed. Forum presentations, media articles, and previous reports by the Korea Health Personnel Licensing Examination Institute (KHPLEI) were included. Workshops were held, information and ideas were collected and conceptualized, and item types were designed, drafted, and refined. By repeating this process, the Inno-CBT item types were finalized. RESULTS Forty-one Inno-CBT item types with 28 subtypes were developed. New digital technologies, such as a reactive responsive media interface, an animation insertion, multimedia embedding, and network surfing, were utilized in these novel types. It was anticipated that these Inno-CBT item types would effectively measure abilities in healthcare knowledge, problem-solving skills, and professional behaviors. Some potential barriers to implementing the Inno-CBT item types include item difficulty, operational unfamiliarity, complexity in scoring protocols, and network security. CONCLUSIONS A variety of styles of novel Inno-CBT item types were developed to evaluate the multifaceted and in-depth professional abilities required for healthcare professionals. Prior to implementing these item types in the national examination, item validation and technical support should be conducted.
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Affiliation(s)
- Kwang-Hoon Chun
- Gachon Institute of Pharmaceutical Sciences, College of Pharmacy, Gachon University, Incheon, South Korea
| | - Hye Kyung Jin
- College of Pharmacy, Dongguk University-Seoul, Goyang, South Korea
| | - Jeong-Hyun Yoon
- College of Pharmacy, Pusan National University, Busan, South Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, South Korea
| | - Kyung Hee Choi
- College of Pharmacy, Gachon University, Incheon, South Korea
| | - Eunyoung Kim
- Department of Health, Social and Clinical Pharmacy, College of Pharmacy, Chung-Ang University, Seoul, South Korea
| | - Hyunah Kim
- College of Pharmacy, Sookmyung Women's University, Seoul, South Korea
| | - Jin-Ki Kim
- College of Pharmacy, Institute of Pharmaceutical Science and Technology, Hanyang University, Ansan, South Korea
| | - Gyudong Kim
- College of Pharmacy, Chonnam National University, Gwangju, South Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong, South Korea
| | - Ju-Yeun Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Eun Kyoung Chung
- Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, South Korea
| | - Young Sook Lee
- College of Pharmacy, Keimyung University, Daegu, South Korea.
| | - Sandy Jeong Rhie
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, South Korea.
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Ko M, Kim MG, Yoon SS, Kim IW, Suh SY, Cho YS, Oh JM. Clinical impacts of the concomitant use of L-asparaginase and total parenteral nutrition containing L-aspartic acid in patients with acute lymphoblastic leukemia. Front Nutr 2023; 10:1122010. [PMID: 37077904 PMCID: PMC10106764 DOI: 10.3389/fnut.2023.1122010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/14/2023] [Indexed: 04/05/2023] Open
Abstract
IntroductionL-asparaginase (ASNase) depletes L-asparagine and causes the death of leukemic cells, making it a mainstay for the treatment of acute lymphoblastic leukemia (ALL). However, ASNase's activity can be inhibited by L-aspartic acid (Asp), which competes for the same substrate and reduces the drug's efficacy. While many commercially used total parenteral nutrition (TPN) products contain Asp, it is unclear how the concomitant use of TPNs containing Asp (Asp-TPN) affects ALL patients treated with ASNase. This propensity-matched retrospective cohort study evaluated the clinical effects of the interaction between ASNase and Asp-TPN.MethodsThe study population included newly diagnosed adult Korean ALL patients who received VPDL induction therapy consisting of vincristine, prednisolone, daunorubicin, and Escherichia coli L-asparaginase between 2004 and 2021. Patients were divided into two groups based on their exposure to Asp-TPN: (1) Asp-TPN group and (2) control group. Data, including baseline characteristics, disease information, medication information, and laboratory data, were collected retrospectively. The primary outcomes for the effectiveness were overall and complete response rates. Relapse-free survival at six months and one year of treatment were also evaluated. The safety of both TPN and ASNase was evaluated by comparing liver function test levels between groups. A 1:1 propensity score matching analysis was conducted to minimize potential selection bias.ResultsThe analysis included a total of 112 ALL patients, and 34 of whom received Asp-TPN and ASNase concomitantly. After propensity score matching, 30 patients remained in each group. The concomitant use of Asp-TPN and ASNase did not affect the overall response rate (odds ratio [OR] 0.53; 95% confidence interval [CI] = 0.17–1.62) or the complete response rate (OR 0.86; 95% CI = 0.29–2.59) of the ASNase-including induction therapy. The concomitant use of Asp-TPN and ASNase also did not impact relapse-free survival (RFS) at six months and one year of treatment (OR 1.00; 95% CI = 0.36–2.78 and OR 1.24; 95% CI, 0.50–3.12, respectively). The peak levels of each liver function test (LFT) and the frequency of LFT elevations were evaluated during induction therapy and showed no difference between the two groups.ConclusionThere is no clear rationale for avoiding Asp-TPN in ASNase-treated patients.
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Affiliation(s)
- Minoh Ko
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
- Department of Pharmacy, Seoul National University Hospital, Seoul, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Sung-Soo Yoon
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sung Yun Suh
- Department of Pharmacy, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yoon-Sook Cho
- Department of Pharmacy, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
- *Correspondence: Jung Mi Oh,
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Kang Y, Kim MG, Lim KM. Machine-learning based prediction models for assessing skin irritation and corrosion potential of liquid chemicals using physicochemical properties by XGBoost. Toxicol Res 2023; 39:295-305. [PMID: 37008690 PMCID: PMC10050629 DOI: 10.1007/s43188-022-00168-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/15/2022] [Accepted: 12/23/2022] [Indexed: 01/24/2023] Open
Abstract
Skin irritation test is an essential part of the safety assessment of chemicals. Recently, computational models to predict the skin irritation draw attention as alternatives to animal testing. We developed prediction models on skin irritation/corrosion of liquid chemicals using machine learning algorithms, with 34 physicochemical descriptors calculated from the structure. The training and test dataset of 545 liquid chemicals with reliable in vivo skin hazard classifications based on UN Globally Harmonized System [category 1 (corrosive, Cat 1), 2 (irritant, Cat 2), 3 (mild irritant, Cat 3), and no category (nonirritant, NC)] were collected from public databases. After the curation of input data through removal and correlation analysis, every model was constructed to predict skin hazard classification for liquid chemicals with 22 physicochemical descriptors. Seven machine learning algorithms [Logistic regression, Naïve Bayes, k-nearest neighbor, Support vector machine, Random Forest, Extreme gradient boosting (XGB), and Neural net] were applied to ternary and binary classification of skin hazard. XGB model demonstrated the highest accuracy (0.73-0.81), sensitivity (0.71-0.92), and positive predictive value (0.65-0.81). The contribution of physicochemical descriptors to the classification was analyzed using Shapley Additive exPlanations plot to provide an insight into the skin irritation of chemicals. Supplementary Information The online version contains supplementary material available at 10.1007/s43188-022-00168-8.
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Affiliation(s)
- Yeonsoo Kang
- College of Pharmacy, Ewha Womans University, Seoul, 03760 Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, 03760 Republic of Korea
| | - Kyung-Min Lim
- College of Pharmacy, Ewha Womans University, Seoul, 03760 Republic of Korea
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Kim MG, Choi YH. Electrocatalytic Properties of Co 3O 4 Prepared on Carbon Fibers by Thermal Metal-Organic Deposition for the Oxygen Evolution Reaction in Alkaline Water Electrolysis. Nanomaterials (Basel) 2023; 13:1021. [PMID: 36985916 PMCID: PMC10058751 DOI: 10.3390/nano13061021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Cobalt oxide (Co3O4) serves as a promising electrocatalyst for oxygen evolution reactions (OER) in water-electrolytic hydrogen production. For more practical applications, advances in dry-deposition processes for the high-throughput fabrication of such Co3O4 electrocatalysts are needed. In this work, a thermal metal-organic deposition (MOD) technique is developed to form Co3O4 deposits on microscale-diameter carbon fibers constituting a carbon fiber paper (CFP) substrate for high-efficiency OER electrocatalyst applications. The Co3O4 electrocatalysts are deposited while uniformly covering the surface of individual carbon fibers in the reaction temperature range from 400 to 800 °C under an ambient Ar atmosphere. It is found that the microstructure of deposits is dependent on the reaction temperature. The Co3O4 electrocatalysts prepared at 500 °C and over exhibit values of 355-384 mV in overpotential (η10) required to reach a current density of 10 mA cm-2 and 70-79 mV dec-1 in Tafel slope, measured in 1 M KOH aqueous solution. As a result, it is highlighted that the improved crystallinity of the Co3O4 electrocatalyst with the increased reaction temperature leads to an enhancement in electrode-level OER activity with the high electrochemically active surface area (ECSA), low charge transfer resistance (Rct), and low η10, due to the enhanced electrical conductivity. On the other hand, it is found that the inherent catalytic activity of the surface sites of the Co3O4, represented by the turnover frequency (TOF), decreases with reaction temperature due to the high-temperature sintering effect. This work provides the groundwork for the high-throughput fabrication and rational design of high-performance electrocatalysts.
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Park MJ, Kim H, Kim MG, Kim K. Comparison of glucagon-like peptide-1 receptor agonists and thiazolidinediones on treating nonalcoholic fatty liver disease: A network meta-analysis. Clin Mol Hepatol 2023:cmh.2022.0330. [PMID: 36907574 PMCID: PMC10366812 DOI: 10.3350/cmh.2022.0330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 03/06/2023] [Indexed: 03/14/2023] Open
Abstract
Background/Aims Previous studies have revealed that glucagon-like peptide-1 receptor agonist (GLP-1RA) and thiazolidinedione (TZD) can improve nonalcoholic fatty liver disease (NAFLD) or nonalcoholic steatohepatitis (NASH). However, comprehensive research comparing the effects of GLP-1RA and TZD is limited. Thus, this study aimed to compare the effects of GLP-1RA and TZD on NAFLD or NASH through a network meta-analysis. Methods The PubMed, Embase, Web of Science, and Scopus databases were searched for randomized controlled trials (RCTs) that explored the efficacy of GLP-1RAs or TZDs in adult patients with NAFLD or NASH. The outcomes were liver biopsy-based (NAFLD activity score [NAS], fibrosis stage, and NASH resolution), noninvasive technique-based (liver fat content on proton magnetic resonance spectroscopy [1H-MRS] and controlled attenuation parameter [CAP]), biological, and anthropometric indicators. A random effects model was used to calculate the mean difference (MD) and relative risk with 95% confidence interval (CI). Results Twenty-five RCTs with 2,237 overweight or obese patients were included. GLP-1RA was significantly superior in reducing liver fat content evaluated using 1H-MRS (MD -2.42, 95% CI -3.84 to -1.00), body mass index (MD -1.60, 95% CI -2.41 to -0.80), and waist circumference (MD -4.89, 95% CI -8.17 to -1.61) than TZD. In liver biopsy-based evaluation and liver fat content assessment using CAP, GLP-1RA tended to surpass TZD, albeit not significantly. Sensitivity analysis showed consistent results with the main results. Conclusions Compared with TZD, GLP-1RA had better effects on liver fat content, body mass index, and waist circumference in overweight or obese patients with NAFLD or NASH.
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Affiliation(s)
- Min Jeong Park
- Division of Endocrinology & Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hayeon Kim
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong, Republic of Korea.,Institute of Pharmaceutical Science, Korea University, Sejong, Republic of Korea
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Kim MG, Kim M, Kim JH, Kim K. Fine-Tuning BERT Models to Classify Misinformation on Garlic and COVID-19 on Twitter. Int J Environ Res Public Health 2022; 19:ijerph19095126. [PMID: 35564518 PMCID: PMC9103576 DOI: 10.3390/ijerph19095126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/21/2022] [Accepted: 04/21/2022] [Indexed: 12/23/2022]
Abstract
Garlic-related misinformation is prevalent whenever a virus outbreak occurs. With the outbreak of COVID-19, garlic-related misinformation is spreading through social media, including Twitter. Bidirectional Encoder Representations from Transformers (BERT) can be used to classify misinformation from a vast number of tweets. This study aimed to apply the BERT model for classifying misinformation on garlic and COVID-19 on Twitter, using 5929 original tweets mentioning garlic and COVID-19 (4151 for fine-tuning, 1778 for test). Tweets were manually labeled as 'misinformation' and 'other.' We fine-tuned five BERT models (BERTBASE, BERTLARGE, BERTweet-base, BERTweet-COVID-19, and BERTweet-large) using a general COVID-19 rumor dataset or a garlic-specific dataset. Accuracy and F1 score were calculated to evaluate the performance of the models. The BERT models fine-tuned with the COVID-19 rumor dataset showed poor performance, with maximum accuracy of 0.647. BERT models fine-tuned with the garlic-specific dataset showed better performance. BERTweet models achieved accuracy of 0.897-0.911, while BERTBASE and BERTLARGE achieved accuracy of 0.887-0.897. BERTweet-large showed the best performance with maximum accuracy of 0.911 and an F1 score of 0.894. Thus, BERT models showed good performance in classifying misinformation. The results of our study will help detect misinformation related to garlic and COVID-19 on Twitter.
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Affiliation(s)
- Myeong Gyu Kim
- College of Pharmacy, Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Korea
- Correspondence:
| | - Minjung Kim
- College of Pharmacy, Yonsei University, Incheon 21983, Korea;
| | - Jae Hyun Kim
- School of Pharmacy, Jeonbuk National University, Jeonju 54896, Korea;
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong 30019, Korea;
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Yang BR, Lee J, Kim MG. The risk of pulmonary adverse drug reactions of rebamipide and other drugs for acid-related diseases: An analysis of the national pharmacovigilance database in South Korea. J Dig Dis 2022; 23:118-123. [PMID: 34965009 PMCID: PMC9304304 DOI: 10.1111/1751-2980.13075] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 12/20/2021] [Accepted: 12/28/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVE The objective of this case/non-case study was to detect rebamipide-related pulmonary adverse events (AE) compared with other drugs for acid-related disorders based on population-level data. METHODS From 2009 to 2018, AE reports on drugs for acid-related disorders, which are anatomical therapeutic chemical code A02B drugs, in the Korea Adverse Events Reporting System (KAERS) database were examined. The reporting odds ratio (ROR) was calculated, and the odds of reporting pulmonary AE for rebamipide and all other A02B drugs were compared. Furthermore, a stratified analysis according to patients' age and sex was conducted. RESULTS Altogether 13 (0.05%) and 157 (0.11%) cases of pulmonary AE were reported for rebamipide and all other A02B drugs, respectively. The risk of reporting pulmonary AE was significantly lower for rebamipide than for all other A02B drugs (ROR 0.49, 95% confidence interval [CI] 0.28-0.87). The number of reports of pulmonary AE for rebamipide was significantly higher among patients aged ≥65 years than those aged <65 years (ROR 19.36, 95% CI 2.50-149.97). CONCLUSIONS Rebamipide was less often reported for pulmonary AE. However, healthcare professionals need to be aware of the risk of pulmonary AE in elderly patients.
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Affiliation(s)
- Bo Ram Yang
- College of PharmacyChungnam National UniversityDaejeonRepublic of Korea
| | - Jae‐Young Lee
- College of PharmacyChungnam National UniversityDaejeonRepublic of Korea
| | - Myeong Gyu Kim
- College of PharmacyEwha Womans UniversitySeoulRepublic of Korea,Graduate School of Pharmaceutical SciencesEwha Womans UniversitySeoulRepublic of Korea
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15
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Kim J, Kim MG, Lim KM. Participation in and withdrawal from cancer clinical trials: A survey of clinical research coordinators. Asia Pac J Oncol Nurs 2022; 9:197-201. [PMID: 35571627 PMCID: PMC9096735 DOI: 10.1016/j.apjon.2021.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022] Open
Abstract
Objective Poor accrual and withdrawal are the main reasons for the failure of cancer clinical trials. As clinical research coordinators (CRCs) work at the frontlines of clinical trials, CRCs can best identify the main factors that influence patient participation and dropout and suggest potential remedial measures. This study aimed to investigate participation and withdrawal in cancer clinical trials through a survey of CRCs. Furthermore, we collected suggestions of CRCs to increase patient participation and reduce withdrawal from cancer clinical trials. Methods This cross-sectional survey among 100 CRC nurses currently coordinating cancer clinical trials and having more than six months of experience was conducted at four hospitals in South Korea between March and August 2021. We designed a questionnaire based on prior studies, and the key items included characteristics of respondents, characteristics of clinical trials, clinical trial participation, and withdrawal. Results Patients refused to participate due to concern about adverse events (46.5%) and negative perception of clinical trials (44.4%). The main reasons for study withdrawal were disease progression (71.5%), adverse events (10.6%), and withdrawal of consent due to personal issues (5.5%). The provision of sufficient explanation was suggested as a remedial measure for increasing consent to participate (67.4%) and reducing withdrawal (21.8%). Conclusions A survey of CRCs revealed the reasons governing patient participation and withdrawal in cancer clinical trials, thereby providing a novel insight into strategies for promoting subject enrollment and reducing withdrawal from cancer clinical trials.
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Kim B, Jang YJ, Cho HR, Kim SY, Jeong JE, Shim MK, Kim MG. Predicting completion of clinical trials in pregnant women: Cox proportional hazard and neural network models. Clin Transl Sci 2021; 15:691-699. [PMID: 34735737 PMCID: PMC8932703 DOI: 10.1111/cts.13187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/25/2021] [Accepted: 10/21/2021] [Indexed: 12/01/2022] Open
Abstract
This study aimed to develop a model for predicting the completion of clinical trials involving pregnant women using the Cox proportional hazard model and neural network model (DeepSurv) and to compare the predictive performance of both methods. We collected data on 819 clinical trials performed on pregnant women and intervention studies using at least one drug as intervention from 2009 to 2018 from ClinicalTrials.gov. The Cox proportional hazard model and DeepSurv were used to develop models that predict clinical trial completion. The concordance index (C‐index) was used to evaluate the predictive performance. The Cox proportional hazard model revealed that a sample size of n ≥ 329 (hazard ratio [HR] = 0.53), very high human development index (HDI) country (HR = 0.28), abortion (HR = 3.30), labor (HR = 2.16), and iron deficiency anemia (HR = 2.29) were significantly related to the probability of clinical trial completion (all p value < 0.01). The C‐index of the model development dataset and test dataset were 0.72 and 0.73, respectively. DeepSurv model consisted of one hidden layer with 16 nodes. DeepSurv showed the C‐index comparable to the Cox proportional hazard model. The C‐index of the training dataset and test dataset were 0.76 and 0.72, respectively. Further a nomogram that calculate a probability of clinical trial completion at 1 year, 3 years, and 5 years was developed. Both the Cox proportional hazard model and DeepSurv yielded sufficient predicting performance. We hope that this study will contribute to the execution of future clinical trials in pregnant women.
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Affiliation(s)
- Bomee Kim
- Graduate School of Clinical Biohealth, Ewha Womans University, Seoul, Korea
| | - Yun Ji Jang
- College of Pharmacy, CHA University, Pocheon, Korea
| | - Hae Ram Cho
- College of Pharmacy, CHA University, Pocheon, Korea
| | - So Yeon Kim
- College of Pharmacy, CHA University, Pocheon, Korea
| | - Ji Eun Jeong
- College of Pharmacy, CHA University, Pocheon, Korea
| | | | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, Korea.,Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Korea
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Song G, Yoon HY, Yee J, Kim MG, Gwak HS. Antihypertensive drug use and psoriasis: A systematic review, meta- and network meta-analysis. Br J Clin Pharmacol 2021; 88:933-941. [PMID: 34611920 DOI: 10.1111/bcp.15060] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 01/11/2023] Open
Abstract
AIMS Diverse genetic and/or external factors may induce psoriasis. Drug exposure is 1 such prominent external factor; antihypertensive drugs are reportedly associated with psoriasis, but study results have been inconsistent. In this context, we investigated the associations between antihypertensive drugs and incidence if psoriasis via a systematic literature review and meta-analysis. METHODS Literature search in databases such as PubMed, Embase and Web of Science was conducted on 8 January 2021, and obtained data were pooled for meta- and network meta-analysis. Fixed- or random effect models were used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for evaluating the strength of the associations between antihypertensive drugs and psoriasis incidence. In addition to meta-analysis, Bayesian network meta-analysis was performed. ResultsThirteen eligible studies were included for meta-analysis with 6 378 116 individuals and 8 studies for network meta-analysis with 5 615 918 individuals. All antihypertensive drugs were significantly associated with psoriasis incidence. In a meta-analysis, the pooled ORs were 1.67 (95% CI: 1.31-2.13) for angiotensin-converting enzyme (ACE) inhibitors, 1.40 (95% CI: 1.20-1.63) for β-blockers, 1.53 (95% CI: 1.23-1.89) for calcium-channel blockers (CCBs), and 1.70 (95% CI: 1.40-2.06) for thiazide diuretics. For the comparative risks of psoriasis among antihypertensive drugs in the network meta-analysis, ORs were 2.09 (95% CI: 1.39-3.18) for ACE inhibitors, 1.35 (95% CI: 0.99-1.91) for BBs, 1.53 (95% CI: 1.07-2.24) for CCBs and 1.80 (95% CI: 1.23-2.66) for thiazide diuretics. CONCLUSION This study confirmed the associations between antihypertensive drugs and psoriasis; ACE inhibitors, BBs, CCBs and thiazide diuretics increased the risk of psoriasis. Therefore, antihypertensive drug users should be carefully monitored for psoriasis.
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Affiliation(s)
- Gonjin Song
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Ha Young Yoon
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Jeong Yee
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
| | - Hye Sun Gwak
- College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
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Lee JY, Lee YS, Kim DH, Lee HS, Yang BR, Kim MG. The Use of Social Media in Detecting Drug Safety-Related New Black Box Warnings, Labeling Changes, or Withdrawals: Scoping Review. JMIR Public Health Surveill 2021; 7:e30137. [PMID: 34185021 PMCID: PMC8277336 DOI: 10.2196/30137] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/22/2021] [Accepted: 05/30/2021] [Indexed: 01/05/2023] Open
Abstract
Background Social media has become a new source for obtaining real-world data on adverse drug reactions. Many studies have investigated the use of social media to detect early signals of adverse drug reactions. However, the trustworthiness of signals derived from social media is questionable. To confirm this, a confirmatory study with a positive control (eg, new black box warnings, labeling changes, or withdrawals) is required. Objective This study aimed to evaluate the use of social media in detecting new black box warnings, labeling changes, or withdrawals in advance. Methods This scoping review adhered to the Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews checklist. A researcher searched PubMed and EMBASE in January 2021. Original studies analyzing black box warnings, labeling changes, or withdrawals from social media were selected, and the results of the studies were summarized. Results A total of 14 studies were included in this scoping review. Most studies (8/14, 57.1%%) collected data from a single source, and 10 (71.4%) used specialized health care social networks and forums. The analytical methods used in these studies varied considerably. Three studies (21.4%) manually annotated posts, while 5 (35.7%) adopted machine learning algorithms. Nine studies (64.2%) concluded that social media could detect signals 3 months to 9 years before action from regulatory authorities. Most of these studies (8/9, 88.9%) were conducted on specialized health care social networks and forums. On the contrary, 5 (35.7%) studies yielded modest or negative results. Of these, 2 (40%) used generic social networking sites, 2 (40%) used specialized health care networks and forums, and 1 (20%) used both generic social networking sites and specialized health care social networks and forums. The most recently published study recommends not using social media for pharmacovigilance. Several challenges remain in using social media for pharmacovigilance regarding coverage, data quality, and analytic processing. Conclusions Social media, along with conventional pharmacovigilance measures, can be used to detect signals associated with new black box warnings, labeling changes, or withdrawals. Several challenges remain; however, social media will be useful for signal detection of frequently mentioned drugs in specialized health care social networks and forums. Further studies are required to advance natural language processing and mine real-world data on social media.
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Affiliation(s)
- Jae-Young Lee
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Yae-Seul Lee
- College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Dong Hyun Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Han Sol Lee
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Bo Ram Yang
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea.,Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
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Abstract
CONTEXT Krill oil is a good source of n-3 phospholipids and has greater bioavailability than fish oil, which contains n-3 triglycerides. However, it is unclear whether krill oil affects circulating lipid concentrations more beneficially than fish oil. OBJECTIVE A network meta-analysis was conducted to compare the lipid-modifying effects of krill oil and fish oil. DATA SOURCES PubMed and Embase databases were searched. STUDY SELECTION A total of 64 randomized controlled trials that determined the lipid-modifying effects of krill oil or fish oil were selected. DATA EXTRACTION The MetaXL program was used for meta-analysis. A subgroup analysis and a network meta-regression were conducted to investigate the dose-response effect of the n-3 fatty acid content of fish oil and krill oil. RESULTS Krill oil was associated with significantly lower triglyceride levels than control supplements (weighted mean difference [WMD] -23.26 [95%CI, -38.84 to -7.69]). However, the net differences in triglycerides (WMD -4.07 [95%CI, -15.22 to 7.08]), low-density lipoprotein cholesterol (WMD 3.01 [95%CI, -5.49 to 11.51]), high-density lipoprotein cholesterol (WMD 1.37 [95%CI, -3.73 to 6.48]), and total cholesterol (WMD 1.69 [95%CI, -6.62 to 10.01]) were not significantly different between the krill oil and fish oil groups. One gram of n-3 fatty acids contained in fish oil and krill oil lowered median triglycerides by 8.971 mg/dL (95% credible interval [CrI], 2.27 to 14.04) and 9.838 mg/dL (95%CrI, 0.72 to 19.40), respectively. CONCLUSIONS The lipid-modifying effects of krill oil and fish oil do not differ. The reduction in triglycerides depends on the dose of n-3 fatty acids consumed.
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Affiliation(s)
- Myeong Gyu Kim
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Inkyou Yang
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Han Sol Lee
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Jae-Young Lee
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, Seoul, Republic of Korea
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Lee Y, Park J, Min M, Lee Y, Yu Y, Shim MK, Kim MG. Gender Equity and Vertically Transmitted Infections: A Country-Level Analysis Across 153 Countries. Health Equity 2021; 5:23-29. [PMID: 33564737 PMCID: PMC7868578 DOI: 10.1089/heq.2020.0097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/22/2020] [Indexed: 12/03/2022] Open
Abstract
Purpose: Gender inequality is a barrier to education toward women and accessibility to health facilities, which are important for preventing vertical transmission. This study was conducted to analyze the impact of gender equity on vertically transmitted infections (hepatitis viruses, human immunodeficiency virus [HIV], and syphilis) using country-level indicators. Methods: The relationship between the Global Gender Gap Index (GGGI), which is indicator of gender equity, and vertical transmission was analyzed. GGGI scores were collected from 153 countries in 2020. Vertical transmission included 10 outcomes for hepatitis viruses, HIV, and syphilis. Generalized linear model (GLM) was used for analyzing the relationship. Other predictors included skilled birth attendant and country income. Results: The median GGGI score was 0.706 (interquartile range, 0.664–0.736). GLM showed that the GGGI score was significantly associated with the incidence of both chronic hepatitis B and C in under 5 years (both p<0.001). For HIV, GGGI score was significantly associated with the pregnant women with unknown HIV status (p=0.001), no early infant diagnosis (p=0.027), and final transmission rate (p=0.005). There was no significant predictor for pregnant women who have not received antiretroviral therapy for prevention of mother-to-child transmission. All syphilis indicators have improved in high-income countries compared to low-income countries. GGGI score had a significant association only with no syphilis screening (p<0.001). Conclusions: A lower GGGI score was associated with higher vertical transmission of hepatitis and HIV. The improvement of gender equity might prevent vertical transmission of these viruses. Further intervention studies are warranted to verify the results.
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Affiliation(s)
- Youngmi Lee
- College of Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Junseok Park
- College of Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Myeungki Min
- College of Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Youjin Lee
- College of Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Youngun Yu
- College of Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Mi Kyoung Shim
- College of Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea.,Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul, Republic of Korea
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Kim MG, Lee NE, Sohn HS. Gap between patient expectation and perception during pharmacist–patient communication at community pharmacy. Int J Clin Pharm 2020; 42:677-684. [DOI: 10.1007/s11096-020-01014-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 03/14/2020] [Indexed: 10/24/2022]
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Kim MG, Kim J, Kim SC, Jeong J. Twitter Analysis of the Nonmedical Use and Side Effects of Methylphenidate: Machine Learning Study. J Med Internet Res 2020; 22:e16466. [PMID: 32130160 PMCID: PMC7063527 DOI: 10.2196/16466] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/08/2020] [Accepted: 01/27/2020] [Indexed: 01/20/2023] Open
Abstract
Background Methylphenidate, a stimulant used to treat attention deficit hyperactivity disorder, has the potential to be used nonmedically, such as for studying and recreation. In an era when many people actively use social networking services, experience with the nonmedical use or side effects of methylphenidate might be shared on Twitter. Objective The purpose of this study was to analyze tweets about the nonmedical use and side effects of methylphenidate using a machine learning approach. Methods A total of 34,293 tweets mentioning methylphenidate from August 2018 to July 2019 were collected using searches for “methylphenidate” and its brand names. Tweets in a randomly selected training dataset (6860/34,293, 20.00%) were annotated as positive or negative for two dependent variables: nonmedical use and side effects. Features such as personal noun, nonmedical use terms, medical use terms, side effect terms, sentiment scores, and the presence of a URL were generated for supervised learning. Using the labeled training dataset and features, support vector machine (SVM) classifiers were built and the performance was evaluated using F1 scores. The classifiers were applied to the test dataset to determine the number of tweets about nonmedical use and side effects. Results Of the 6860 tweets in the training dataset, 5.19% (356/6860) and 5.52% (379/6860) were about nonmedical use and side effects, respectively. Performance of SVM classifiers for nonmedical use and side effects, expressed as F1 scores, were 0.547 (precision: 0.926, recall: 0.388, and accuracy: 0.967) and 0.733 (precision: 0.920, recall: 0.609, and accuracy: 0.976), respectively. In the test dataset, the SVM classifiers identified 361 tweets (1.32%) about nonmedical use and 519 tweets (1.89%) about side effects. The proportion of tweets about nonmedical use was highest in May 2019 (46/2624, 1.75%) and December 2018 (36/2041, 1.76%). Conclusions The SVM classifiers that were built in this study were highly precise and accurate and will help to automatically identify the nonmedical use and side effects of methylphenidate using Twitter.
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Affiliation(s)
- Myeong Gyu Kim
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Jungu Kim
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, Republic of Korea
| | - Su Cheol Kim
- Department of Psychiatry, Anam Hospital, Seoul, Republic of Korea
| | - Jaegwon Jeong
- Department of Psychiatry, Anam Hospital, Seoul, Republic of Korea
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Kim MG, Huh S, Han N, Kim JH, Kim K, Lee E, Kim IW, Oh JM. Analysis of Issues and Future Trends Impacting Drug Safety in South Korea. Int J Environ Res Public Health 2019; 16:ijerph16183368. [PMID: 31547245 PMCID: PMC6765849 DOI: 10.3390/ijerph16183368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/09/2019] [Accepted: 09/10/2019] [Indexed: 11/21/2022]
Abstract
New drug safety issues are emerging that are beyond the existing medication safety management system. To pre-empt these problems, forecasting future drug safety trends and issues is a necessity. The objective of this study was to identify issues and future trends impacting drug safety using foresight methodologies. The study started by identifying global megatrends, trends in safety management of medicines, and key issues in drug safety. A total of 25 global megatrends were selected by extracting and clustering keywords from 26 reports concerning the future. Using the text-mining method, 10 trends in drug safety were identified from 3593 news articles. This study derived 60 issues which can arise from the trends, and finally, the 20 key issues with the highest urgency and impact scores were selected. Some examples of issues with high scores were as follows: illegal distribution of medicines, lack of technology for managing and utilizing big data, change in the pharmaceutical trade environment, lack of education and safety management for specific populations, lack of artificial intelligence-based technology for the safety management of medicines, and the prevalence of drug advertisements through social network services. The key issues could be used to establish plans for medication safety management.
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Affiliation(s)
- Myeong Gyu Kim
- Graduate School of Clinical Pharmacy, CHA University, 11160 Pocheon, Korea
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea
| | - Seungyeon Huh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea
| | - Jae Hyun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, 30019 Sejong, Korea
| | - Euni Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 08826 Seoul, Korea.
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Kim MG, Winn B, Chi S, Savici AT, Rodriguez-Rivera JA, Chen WC, Xu X, Li Y, Kim JW, Cheong SW, Kiryukhin V. Spin-liquid-like state in pure and Mn-doped TbInO 3 with a nearly triangular lattice. Phys Rev B 2019; 100:10.1103/PhysRevB.100.024405. [PMID: 38712019 PMCID: PMC11071068 DOI: 10.1103/physrevb.100.024405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Inelastic neutron scattering studies in single crystals of TbInO3 and TbIn0.95Mn0.05O3 with nearly triangular antiferromagnetic lattice are reported. At low energies, a broad and apparently gapless continuum of magnetic excitations, located at the triangular lattice (TL) Brillouin zone boundary, is observed. The data are well described by the uncorrelated nearest-neighbor valence bonds model. At higher energies, a broad excitation branch dispersing from the TL zone boundary is observed. No signs of static magnetic order are found down to the temperatures two orders of magnitude smaller than the effective interaction energy. The fluctuating magnetic moment exceeds two-thirds of the Tb3+ free-ion value and is confined to the TL plane. These observations are consistent with a TL-based spin liquid state in TbInO3.
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Affiliation(s)
- M G Kim
- Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - B Winn
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - S Chi
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - A T Savici
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - J A Rodriguez-Rivera
- NIST Center for Neutron Research, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, USA
- Department of Materials Science, University of Maryland, College Park, Maryland 20742, USA
| | - W C Chen
- NIST Center for Neutron Research, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, USA
- Department of Materials Science, University of Maryland, College Park, Maryland 20742, USA
| | - X Xu
- Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Y Li
- Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - J W Kim
- Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - S-W Cheong
- Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
| | - V Kiryukhin
- Department of Physics & Astronomy, Rutgers University, Piscataway, New Jersey 08854, USA
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Jang EJ, Ha JE, Im SG, Kim MG, Sohn HS. A Real-World Analysis of Prescribing Patterns and Non-persistence of Anti-TNFα Therapy for Inflammatory Bowel Disease. Clin Drug Investig 2019; 39:625-630. [DOI: 10.1007/s40261-019-00784-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Kim K, Kwak A, Choi CU, Kim JH, Kim MG, Oh JM, Ji E. Differences in preventing new-onset cardiovascular events with statin therapy in seniors aged 75 years and over: A cohort study in the South Korean National Health Insurance Database. Basic Clin Pharmacol Toxicol 2019; 125:108-116. [PMID: 30924261 DOI: 10.1111/bcpt.13229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/19/2019] [Indexed: 11/29/2022]
Abstract
The aim of this cohort study was to compare the effectiveness of statin regimens for primary prevention among seniors aged ≥ 75 years. Seniors aged 75-100 years for whom statin therapies for primary prevention were newly initiated between 1 January 2009 and 31 December 2011, and who continued the same statin regimen during the first year after the index date were identified using the claims data from the South Korean National Health Insurance Database. A propensity score matching and multivariable Cox proportional hazards model were developed to evaluate adjusted ischaemic cardiovascular-cerebrovascular event (CCE) risk and all-cause mortality risk for all patients, as well as for subgroups. A total of 5629 older patients aged 75-100 years were included in the study population. Compared to moderate-intensity statin therapy, low-intensity statin therapy was significantly associated with increased risk of ischaemic CCEs, while high-intensity statin therapy was associated with reduced risk of ischaemic CCEs; however, compared to moderate-intensity statin therapy, both low-intensity and high-intensity statin therapies were associated with increased risk of all-cause mortality. For the 4689 older patients who regularly received moderate-intensity statin therapy including 10 mg atorvastatin, 20 mg atorvastatin, 10 mg rosuvastatin or 20 mg simvastatin for primary prevention, multivariable regression adjusting for potential covariates revealed no significant difference in ischaemic CCEs or all-cause mortality between the moderate-intensity statin users and 10 mg atorvastatin users both before and after propensity scoring matching. No significant heterogeneity was detected in the patient subgroups. The results of this study based on real-world data can supply evidence-based reasons for choice of statin regimen for the primary prevention of CCEs in older people aged ≥ 75 years.
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Affiliation(s)
- Kyungim Kim
- College of Pharmacy, Korea University, Sejong, South Korea.,Biomedical Research Center, Korea University Guro Hospital, Seoul, South Korea
| | - Arim Kwak
- College of Pharmacy, Korea University, Sejong, South Korea
| | - Cheol Ung Choi
- Cardiovascular Center, Korea University Guro Hospital, Seoul, Korea
| | - Jae Hyun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Myeong Gyu Kim
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, South Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Eunhee Ji
- College of Pharmacy, Gachon University, Incheon, South Korea
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Kim MG, Kwak A, Choi B, Ji E, Oh JM, Kim K. Effect of glutathione S-transferase genetic polymorphisms on busulfan pharmacokinetics and veno-occlusive disease in hematopoietic stem cell transplantation: A meta-analysis. Basic Clin Pharmacol Toxicol 2018; 124:691-703. [PMID: 30511436 DOI: 10.1111/bcpt.13185] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 11/28/2018] [Indexed: 12/25/2022]
Abstract
This meta-analysis was conducted to derive an integrated conclusion about the influence of glutathione S-transferase (GST) genetic polymorphisms on busulfan pharmacokinetic (PK) parameters and veno-occlusive disease (VOD). Studies which analysed the effect of GST genetic polymorphisms on area under the curve (AUC), clearance (CL) or VOD were searched for and selected. A pooled analysis was conducted using Comprehensive Meta-Analysis programme. Nineteen studies were included in this meta-analysis. GSTA1*B and GSTM1 null genotypes significantly decreased CLIV of busulfan (standardized difference in means (SDM) = -1.103; P = 0.019 and SDM = -0.418; P = 0.002, respectively). GSTA1*B significantly increased AUCIV of busulfan (SDM = 0.832; P = 0.046), whereas GSTM1 did not (SDM = 0.155; P = 0.478). The PK parameters of oral busulfan did not differ according to GST genotype. GSTA1, GSTM1 and GSTP1 were not significantly associated with VOD occurrence. GSTA1 and GSTM1 genotypes affected CLIV of busulfan, but only GSTA1 affected AUCIV . There was no significant difference in the PK parameters of oral busulfan (CLPO and AUCPO ) and VOD when only GST genotypes were considered.
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Affiliation(s)
- Myeong Gyu Kim
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, Korea
| | - Arim Kwak
- College of Pharmacy, Korea University, Sejong, Korea
| | - Boyoon Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Eunhee Ji
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Gachon University, Incheon, Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Kyungim Kim
- College of Pharmacy, Korea University, Sejong, Korea
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Ji E, Kim MG, Oh JM. CYP3A5 genotype-based model to predict tacrolimus dosage in the early postoperative period after living donor liver transplantation. Ther Clin Risk Manag 2018; 14:2119-2126. [PMID: 30498355 PMCID: PMC6207397 DOI: 10.2147/tcrm.s184376] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Purpose Liver transplantation is the treatment of choice for patients with end-stage liver disease. Due to the between- and within-individual pharmacokinetic variability in tacrolimus, used to prevent rejection after transplantation, it is difficult to predict the dose needed achieve the target levels in the blood. This study aimed to construct a population pharmacokinetic model of tacrolimus dosage prediction for therapeutic drug monitoring in clinical settings for Korean adult patients receiving living donor liver transplantation (LDLT). Methods A total of 58 Korean adult patients receiving LDLT with tacrolimus administration were enrolled. Demographic, clinical, and CYP3A5*1/*3 polymorphism data were collected. Population pharmacokinetic modeling of tacrolimus during the first 14 days after transplantation was performed using NONMEM program. Parameters were estimated by the first-order conditional estimation with interaction method. The internal validation of the final model was assessed by the bootstrap and visual predictive check methods using 500 samples from the original data. Results One-compartmental model was selected as a base model. After the stepwise covariate model building process, postoperative day (POD) and combinational CYP3A5 genotype of the recipient and donor were incorporated into clearance (CL/F). The estimated typical values of CL/F and volume of distribution (V/F) were 6.33 L/h and 465 L, respectively. The final model was CL/F =6.33× POD0.257×2.314 (if CYP3A5 expresser recipient grafted from CYP3A5 expresser donor) ×1.523 (if CYP3A5 expresser recipient grafted from CYP3A5 nonexpresser donor) and V/F =465× POD0.322. Conclusion A population pharmacokinetic model for tacrolimus was established successfully in Korean adult patients receiving LDLT. This model is expected to contribute to improving patient outcomes by optimizing tacrolimus dose adjustment for liver transplant patients.
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Affiliation(s)
- Eunhee Ji
- College of Pharmacy and Research institute of Pharmaceutical sciences, Gachon University, Incheon 21936, Republic of Korea
| | - Myeong Gyu Kim
- Graduate school of Clinical Pharmacy, Cha University, Pocheon 11160, Republic of Korea
| | - Jung Mi Oh
- College of Pharmacy and Research institute of Pharmaceutical sciences, Seoul National University, Seoul 08826, Republic of Korea,
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Kim SC, Kim MG. Meta-analysis of the Influence of UGT Genetic Polymorphisms on Lamotrigine Concentration. Basic Clin Pharmacol Toxicol 2018; 124:163-169. [PMID: 30168665 DOI: 10.1111/bcpt.13120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 08/21/2018] [Indexed: 12/23/2022]
Abstract
Uridine 5'-diphospho-glucuronosyltransferases (UGTs) are involved in the metabolism of lamotrigine, but whether the UGT1A4 and UGT2B7 genetic polymorphisms affect lamotrigine concentration remains controversial. Thus, the objective of this meta-analysis was to analyse the influence of UGT1A4 and UGT2B7 genetic polymorphisms on lamotrigine concentration. Through searching, screening, selection, data extraction and quantitative analyses, the influence of UGT1A4 and UGT2B7 genetic polymorphisms on lamotrigine concentration-to-dose ratio (CDR) was assessed by meta-analysis of nine studies. Neither UGT1A4 70C>A nor 142T>G significantly affected lamotrigine CDR values (standardized difference in means [SDM] = 0.433, 95% confidence interval [CI] = -0.380-1.302; SDM = -0.458, 95% CI = -1.141-0.224, respectively). Only the UGT2B7 -161C>T homozygous variant had significantly higher CDR values than the wild-type (WT) and heterozygous variant (SDM = 0.634, 95% CI = 0.056-1.222). In conclusion, CDR of lamotrigine was significantly higher for the UGT2B7 -161C>T homozygous variant than for the WT and heterozygous variant. Thus, UGT2B7 -161C>T homozygous variant needs to receive reduced dose.
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Affiliation(s)
- Su Cheol Kim
- Department of Psychiatry, Anam Hospital, Korea University of Medicine, Seoul, Korea
| | - Myeong Gyu Kim
- Graduate School of Clinical Pharmacy, CHA University, Pocheon, Korea
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30
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Song YK, Kim JH, Choi B, Han N, Kim MG, Lee J, Lee H, Yoon J, Lee BJ, Oh JM. Strategic Priorities to Improve Effectiveness of Anti-smoking Interventions for the Korean Military: An Application of the Analytic Hierarchy Process. Mil Med 2018; 183:e223-e230. [PMID: 29961837 DOI: 10.1093/milmed/usx027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 10/20/2017] [Indexed: 11/14/2022] Open
Abstract
Introduction As South Korea remains technically at war with the North, higher smoking prevalence in the military might adversely affect the South Korea's military power and contribute to lifetime smoking in men with mandatory military service. This study was to identify priorities among the anti-smoking strategies to improve the existing smoking cessation programs for the Korean military. Methods The analytic hierarchy process model with a goal, decision criteria, and sub-criteria as well as candidate strategies, was developed following a literature search and expert group discussion. A survey for pairwise comparison was conducted to determine the priority of the (sub-)criteria and strategies by 14 experts. The Super-Decisions software was used to determine the priorities and to analyze their consistency ratios and sensitivities. The study was approved by the ethics committee of the Korea Ministry of Health and Welfare. Results Eight candidate strategies were developed to improve the effectiveness of military anti-smoking interventions as follows: (1) development of outcome enhancement plans for smoking cessation programs for the military, (2) development of differentiated smoking cessation programs for specific groups, (3) building of community network for continuity and accessibility of anti-smoking project, (4) building of industry-academia-government networks for anti-smoking project, (5) improvement of the perception of and strengthen the reward for smoking cessation, (6) development of a training system for army clinicians for the delivery of smoking cessation services, (7) creation of a certification system for smoking cessation programs, and (8) development of an evaluation system of project performance for smoking cessation. Through the analytic hierarchy process survey, the military specificity and its sub-criterion of practicality were selected as the top concerns of decision criteria for the anti-smoking strategies among the decision criteria of outcome improvement, military specificity, publicness, and economic efficiency. The most important strategy was to improve the perception of and strengthen the reward for smoking cessation. This strategy was most focused on the creation of an anti-smoking environment and improvement of the effectiveness of the projects. The creation of a training system for army clinicians for the delivery of smoking cessation services ranked second. Conclusion In conclusion, motivating smoking cessation and utilizing well-trained army clinicians were found to be the most important anti-smoking strategies for the Korean military. This study might provide valuable insights for policy makers to reduce tobacco use in the Korean military.
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Affiliation(s)
- Yun-Kyoung Song
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, South Korea
| | - Jae Hyun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, South Korea
| | - Boyoon Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, South Korea
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, South Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, South Korea
| | - Jeongsam Lee
- Korean Association Against Drug Abuse, 10, Dangsan-ro 48-gil, Yeongdeungpo-gu, Seoul, South Korea
| | - Handuk Lee
- Korean Association Against Drug Abuse, 10, Dangsan-ro 48-gil, Yeongdeungpo-gu, Seoul, South Korea
| | - Jieun Yoon
- Korean Association Against Drug Abuse, 10, Dangsan-ro 48-gil, Yeongdeungpo-gu, Seoul, South Korea
| | - Beom-Jin Lee
- Korean Association Against Drug Abuse, 10, Dangsan-ro 48-gil, Yeongdeungpo-gu, Seoul, South Korea.,College of Pharmacy, Ajou University, 206 Worldcup-ro, Yeongtong-gu, Suwon, South Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, South Korea.,Korean Association Against Drug Abuse, 10, Dangsan-ro 48-gil, Yeongdeungpo-gu, Seoul, South Korea
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Jin H, Kim MG, Ko SB, Kim DH, Lee BJ, Macgregor RB, Shim G, Oh YK. Stemmed DNA nanostructure for the selective delivery of therapeutics. Nanoscale 2018; 10:7511-7518. [PMID: 29637946 DOI: 10.1039/c7nr08558c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
DNA has emerged as a biocompatible biomaterial that may be considered for various applications. Here, we report tumor cell-specific aptamer-modified DNA nanostructures for the specific recognition and delivery of therapeutic chemicals to cancer cells. Protein tyrosine kinase (PTK)7-specific DNA aptamer sequences were linked to 15 consecutive guanines. The resulting aptamer-modified product, AptG15, self-assembled into a Y-shaped structure. The presence of a G-quadruplex at AptG15 was confirmed by circular dichroism and Raman spectroscopy. The utility of AptG15 as a nanocarrier of therapeutics was tested by loading the photosensitizer, methylene blue (MB), to the G-quadruplex as a model drug. The generated MB-loaded AptG15 (MB/AptG15) showed specific and enhanced uptake to CCRF-CEM cells, which overexpress PTK7, compared with Ramos cells, which lack PTK7, or CCRF-CEM cells treated with a PTK7-specific siRNA. The therapeutic activity of MB/AptG15 was tested by triggering its photodynamic effects. Upon 660 nm light irradiation, MB/AptG15 showed greater reactive oxygen species generation and anticancer activity in PTK7-overexpressing cells compared to cells treated with MB alone, those treated with AptG15, and other comparison groups. AptG15 stemmed DNA nanostructures have significant potential for the cell-type-specific delivery of therapeutics, and possibly for the molecular imaging of target cells.
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Affiliation(s)
- H Jin
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
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Lim SY, Gwon JG, Kim MG, Jung CW. Comparison of Recipient Outcomes After Kidney Transplantation: In-House Versus Imported Deceased Donors. Transplant Proc 2018; 50:1025-1028. [PMID: 29678267 DOI: 10.1016/j.transproceed.2018.01.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 01/22/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Increased cold ischemia time in cadaveric kidney transplants has been associated with a high rate of delayed graft function (DGF), and even with graft survival. Kidney transplantation using in-house donors reduces cold preservation time. The purpose of this study was to compare the clinical outcomes after transplantation in house and externally. METHODS We retrospectively reviewed the medical records of donors and recipients of 135 deceased-donor kidney transplantations performed in our center from March 2009 to March 2016. RESULTS Among the 135 deceased donors, 88 (65.2%) received the kidneys from in-house donors. Median cold ischemia time of transplantation from in-house donors was shorter than for imported donors (180.00 vs 300.00 min; P < .001). The risks of DGF and slow graft function were increased among the imported versus in-house donors. Imported kidney was independently associated with greater odds of DGF in multivariate regression analysis (odds ratio, 4.165; P = .038). However, the renal function of recipients at 1, 3, 5, and 7 years after transplantation was not significantly different between the 2 groups. CONCLUSIONS Transplantation with in-house donor kidneys was significantly associated with a decreased incidence of DGF, but long-term graft function and survival were similar compared with imported donor kidneys.
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Affiliation(s)
- S Y Lim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - J G Gwon
- Department of Surgery, Korea University Anam Hospital, Seoul, Republic of Korea
| | - M G Kim
- Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - C W Jung
- Department of Surgery, Korea University Anam Hospital, Seoul, Republic of Korea.
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Jang HY, Song YK, Kim JH, Kim MG, Han N, Lee HY, Kim IW, Oh JM. Impact of depression on change in coronary heart disease risk status: the Korean Genome and Epidemiology Study (KoGES). Ther Clin Risk Manag 2018; 14:121-128. [PMID: 29391804 PMCID: PMC5768190 DOI: 10.2147/tcrm.s149501] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Purpose The objective of this study was to evaluate the association between depression and change in coronary heart disease (CHD) risk status by an analysis of examination data in the general Korean population. Patients and methods We examined 1,851 men and 1,689 women (aged 43–73 years) for the Korean Genome and Epidemiology Study Ansan between 2005 and 2012. The estimated CHD risk score of participants was calculated using the Framingham CHD risk score in baseline and after 8-year follow-up period. Among them, population with low Framingham CHD risk score (<10%) in baseline (n=1,582) was used for further analyses. The low Framingham CHD risk score participants were assigned to one of two groups based on the Beck depression inventory (BDI) score: no depression (BDI <10) and depression (BDI ≥10). Multivariate logistic regression was performed to test whether depression was associated with participants’ status change to intermediate or high CHD risk score (≥10%) in men and women, respectively, after 8-year follow-up period. Results Women with depression showed significant higher rates of changing to intermediate or high CHD risk score status when compared with women without depression even after adjusting for age, systolic blood pressure, high-density lipoprotein, and smoking (adjusted odds ratio [OR], 1.54; 95% CI, 1.08–2.03). However, depression was not associated with intermediate or high CHD risk score status in men (adjusted OR, 1.38; 95% CI, 0.95–1.82). Conclusion This general population-based cohort study provides evidence that depression can affect the risk of changing CHD risk score status in women.
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Affiliation(s)
- Ha Young Jang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
| | - Yun-Kyoung Song
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
| | - Jae Hyun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
| | - Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
| | - Hae-Young Lee
- Division of Cardiology, Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul
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Han N, Han SH, Song YK, Kim MG, Kim YS, Kim IW, Oh JM. Statin therapy for preventing cardiovascular diseases in patients treated with tacrolimus after kidney transplantation. Ther Clin Risk Manag 2017; 13:1513-1520. [PMID: 29200861 PMCID: PMC5701562 DOI: 10.2147/tcrm.s147327] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Background Lipid abnormalities are prevalent in tacrolimus-treated patients. The aim of the study was to evaluate the preventive effects of statin therapy on major adverse cardiovascular events (MACE) in patients treated with tacrolimus-based immunosuppression after kidney transplantation (KT), and to identify the risk factors. Methods This observational cohort study included adult patients who underwent KT and were treated with tacrolimus. Patients who received any lipid-lowering agents except statins, or had a history of immunosuppressant use before transplantation were excluded. The primary outcome was the adjusted risk of the first occurrence of MACE. The secondary outcomes included the risk of individual cardiovascular disease (CVD) and changes in cholesterol level. Subgroup analyses were performed in the statin-user group according to the dosage and/or type of statin. Results Compared with the control group (n=73), the statin-users (n=92) had a significantly reduced risk of MACE (adjusted HR, 0.31; 95% CI, 0.13–0.74). In the Cox regression analysis, old age, history of CVD, and comorbid hypertension were identified as independent factors associated with increased MACE. The total cholesterol levels were not significantly different between the two groups. Subjects with higher cumulative defined daily dose of statins had significantly lower risks of MACE. Conclusion Statin therapy in patients treated with tacrolimus after KT significantly lowered the risk of MACE. Long-term statin therapy is clearly indicated in older kidney transplant recipients for secondary prevention.
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Affiliation(s)
- Nayoung Han
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul
| | - Seung Hee Han
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul.,Department of Pharmacy, Asan Medical Center, Seoul
| | - Yun-Kyoung Song
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul
| | - Myeong Gyu Kim
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul
| | - Yon Su Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul.,College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - In-Wha Kim
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul
| | - Jung Mi Oh
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul
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Shim G, Miao W, Ko S, Park GT, Kim JY, Kim MG, Kim YB, Oh YK. Immune-camouflaged graphene oxide nanosheets for negative regulation of phagocytosis by macrophages. J Mater Chem B 2017; 5:6666-6675. [PMID: 32264429 DOI: 10.1039/c7tb00648a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Signal regulatory protein alpha (SIRPα) is highly expressed in macrophages of the reticuloendothelial system and in tumor-associated macrophages, whereas tumor cells express the surface membrane protein, CD47, which interacts with SIRPα to negatively regulate phagocytosis. In this study, we modified the surfaces of graphene oxide (GO) nanosheets with a CD47-like SIRPα-binding peptide (SP). The presence of SP on GO nanosheets reduced the macrophage uptake to a greater extent than the PEGylation of such nanosheets. This reduced uptake was found to be mediated by the activation of Src homology region 2 domain-containing phosphatase 1 (SHP-1) and the downstream inhibition of myosin assembly, which is necessary for phagosome formation. Unlike SP-coated GO nanosheets, PEGylated GO nanosheets did not affect myosin assembly or phagocytosis. After in vivo systemic administration, the clearance of SP-coated GO nanosheets was slower than that of PEGylated GO nanosheets, and this difference increased with repeated administration. Finally, SP-coated GO nanosheets showed a higher distribution to tumor tissues than PEGylated GO nanosheets or a physical mixture of SP and GO nanosheets. Our findings indicate that immune-camouflaged GO nanosheets with natural CD47-like SIRPα-binding molecules can reduce the nonspecific loss of such nanosheets through macrophage uptake, thereby enhancing their blood circulation and tumor delivery after multiple injections.
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Affiliation(s)
- G Shim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
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Song YK, Han N, Kim MG, Chang HJ, Sohn HS, Ji E, Oh JM. A national pharmacoepidemiological study of antibiotic use in Korean paediatric outpatients. Arch Dis Child 2017; 102:660-666. [PMID: 28119402 DOI: 10.1136/archdischild-2016-310981] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2016] [Revised: 01/02/2017] [Accepted: 01/03/2017] [Indexed: 11/04/2022]
Abstract
BACKGROUND Information on the use of antibiotics in Eastern Asian children is limited. The objectives of this study were to evaluate in Korean paediatric outpatients (1) the nationwide pattern of prescribing antibiotics according to age group and medical institution and (2) the adherence of antibiotic use for acute respiratory tract infections to both national guidelines and European antibiotic prescribing quality indicators. METHOD This population-based study used the national insurance reimbursement database for 2011. The study subjects were outpatients younger than 18 years old prescribed systemic antibiotics. Patterns of antibiotic prescription were compared according to diagnostic conditions, age group and medical institution. The disease-specific proportion of recommended antibiotic or quinolone use for acute respiratory tract infections was evaluated on the basis of clinical practice guidelines and European quality indicators. RESULTS The data consisted of 70.7 million prescription records for 7.9 million paediatric outpatients, which means that 79.3% of the whole paediatric population used antibiotics. Broad-spectrum antibiotics made up 78.5% of the prescriptions, with broad-spectrum penicillins such as amoxicillin/clavulanate being the most commonly prescribed (50.2%). They were prescribed more commonly in younger paediatric patients (∼80%) than in adolescents (66.6%). The leading diagnosis accounting for antibiotic prescription was bronchitis (35.9%). The prescription proportion of recommended antibiotics in the European quality indicators was extremely low compared with the national guidelines: <0.1% for pharyngotonsillitis and 13.4% for acute otitis media. CONCLUSIONS Antibiotic use in children in Korea is inappropriately high. In addition, broad-spectrum antibiotics are used excessively.
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Affiliation(s)
- Yun-Kyoung Song
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Hyeu-Jin Chang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Hyun Soon Sohn
- College of Pharmacy, CHA University, Gyeonggi-do, Republic of Korea
| | - Eunhee Ji
- College of Pharmacy, Gachon University, Incheon, Republic of Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
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Jun H, Jung CW, Lim S, Kim MG. Kidney Donor Risk Index as the Predictor for the Short-term Clinical Outcomes After Kidney Transplant From Deceased Donor With Acute Kidney Injury. Transplant Proc 2017; 49:88-91. [PMID: 28104166 DOI: 10.1016/j.transproceed.2016.11.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND The Kidney Donor Risk Index (KDRI) scoring system for deceased donors has been widely introduced for postoperative evaluation of graft function. We analyzed the usefulness of the KDRI in deceased donors with acute kidney injury (AKI). METHODS Forty-nine recipients from deceased donors with AKI between January 2009 and December 2014 were reviewed retrospectively. Data collected from donor medical records included age, height, weight, hypertension or diabetes history, cause of death, serum creatinine (sCr), and donation after cardiac death. Graft function data including sCr, estimated glomerular filtration rate (eGFR), and acute rejection episodes were monitored for 1 year. Correlations between KDRI score and factors indicating graft function were analyzed. A cutoff value for KDRI score was calculated using a receiver operating characteristic (ROC) curve for significant graft function. RESULTS The mean ages of donors and recipients were 46.81 ± 13.13 and 47.69 ± 11.43, respectively. The mean KDRI score was 1.24 ± 0.40. Univariable analysis of KDRI score and factors indicating graft function indicated that sCr at 6 to 12 months, eGFR at 1 year, and slow graft function (SGF) had statistical significance. The ROC curve of KDRI score for SGF showed an optimal cutoff value of 1.20, with sensitivity of 69.2% and specificity of 69.4% (area under the curve = 0.75) in deceased donors with AKI. CONCLUSIONS KDRI score in deceased donors with AKI was correlated with postoperative graft values including eGFR and SGF. KDRI could be used as a predictor for the short-term clinical outcome after kidney transplant from deceased donor with AKI.
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Affiliation(s)
- H Jun
- Department of Surgery, Korea University Anam Hospital, Seoul, Korea
| | - C W Jung
- Department of Surgery, Korea University Anam Hospital, Seoul, Korea.
| | - S Lim
- Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea
| | - M G Kim
- Department of Internal Medicine, Korea University Anam Hospital, Seoul, Korea
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Kim JW, Kim MG, Lee HJ, Koh Y, Kwon JH, Kim I, Park S, Kim BK, Oh JM, Kim KI, Yoon SS. Topical Recombinant Human Epidermal Growth Factor for Oral Mucositis Induced by Intensive Chemotherapy with Hematopoietic Stem Cell Transplantation: Final Analysis of a Randomized, Double-Blind, Placebo-Controlled, Phase 2 Trial. PLoS One 2017; 12:e0168854. [PMID: 28045958 PMCID: PMC5207736 DOI: 10.1371/journal.pone.0168854] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 11/22/2016] [Indexed: 01/23/2023] Open
Abstract
The aim of this study was to evaluate the efficacy and safety of recombinant human epidermal growth factor (rhEGF) oral spray for oral mucositis (OM) induced by intensive chemotherapy with hematopoietic stem cell transplantation. In this phase 2 study, patients were randomized to either rhEGF (50 microg/mL) or placebo in a 1:1 ratio. The primary endpoint was incidence of National Cancer Institute (NCI) grade ≥2 OM. A total of 138 patients were enrolled in this study. In the intention-to-treat analysis, rhEGF did not reduce the incidence of NCI grade ≥2 OM (p = 0.717) nor reduce its duration (p = 0.725). Secondary endpoints including the day of onset and duration of NCI grade ≥2 OM, the incidence of NCI grade ≥3 OM and its duration, and patient-reported quality of life were also similar between the two groups. In the per-protocol analysis, however, the duration of opioid analgesic use was shorter in the rhEGF group (p = 0.036), and recipients in the rhEGF group required a lower cumulative dose of opioid analgesics than those in the placebo group (p = 0.046), among patients with NCI grade ≥2 OM. Adverse events were mild and transient. This study found no evidence to suggest that rhEGF oral spray reduces the incidence of OM. However, further studies are needed to investigate the effect of rhEGF on OM-induced pain reduction after intensive chemotherapy.
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Affiliation(s)
- Ji-Won Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Myeong Gyu Kim
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Hyun Jung Lee
- Department of Internal Medicine, Dongguk University Ilsan Medical Center, Goyang, Republic of Korea
| | - Youngil Koh
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Ji-Hyun Kwon
- Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Inho Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Seonyang Park
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Byoung Kook Kim
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jung Mi Oh
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
- Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Kyung Im Kim
- College of Pharmacy, Korea University, Sejong, Republic of Korea
- Biomedical Research Center, Korea University Guro Hospital, Seoul, Republic of Korea
- * E-mail: (SSY); (KIK)
| | - Sung-Soo Yoon
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Cancer Research Institute, Seoul National University, Seoul, Republic of Korea
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- * E-mail: (SSY); (KIK)
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Kim MG, Ko M, Kim IW, Oh JM. Meta-analysis of the impact of thioprine S-methyltransferase polymorphisms on the tolerable 6-mercaptopurine dose considering initial dose and ethnic difference. Onco Targets Ther 2016; 9:7133-7139. [PMID: 27920553 PMCID: PMC5125793 DOI: 10.2147/ott.s110800] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A meta-analysis was conducted to decide whether to reduce an initial 6-mercaptopurine (6-MP) dose in TPMT heterozygote in the case of an initial 6-MP dose of <75 mg/m2/d and to compare the tolerable 6-MP dose among different ethnic groups. The study was undertaken according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The differences in mean values of the tolerable 6-MP dose were calculated by using Comprehensive Meta-Analysis version 3. The results of the meta-analysis indicated that the tolerable 6-MP dose was significantly lower in the TPMT heterozygote group (difference in mean values =11.729, 95% confidence interval =7.617-15.842, P<0.001) even when the initial 6-MP dose was <75 mg/m2/d. The TPMT*3C allele-dominant ethnic group (Asian) needed less reduction in mean 6-MP dose in comparison to the TPMT*3A allele-dominant ethnic group (Caucasian, Mediterranean, South American) (difference in mean values =8.884 vs 15.324). In conclusion, the initial 6-MP dose needs to be reduced in TPMT heterozygote when compared to the wild-type, and ethnic difference might influence the tolerable 6-MP dose in TPMT heterozygotes.
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Affiliation(s)
- Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Minoh Ko
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
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Jeong S, Kim JH, Kim MG, Han N, Kim IW, Kim T, Oh JM. Genetic polymorphisms of CASR and cancer risk: evidence from meta-analysis and HuGE review. Onco Targets Ther 2016; 9:655-69. [PMID: 26929638 PMCID: PMC4755434 DOI: 10.2147/ott.s97602] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Background CASR gene appears to be involved in cancer biology and physiology. However, a number of studies investigating CASR polymorphisms and cancer risks have presented inconclusive results. Thus, a systematic review and a meta-analysis of the effect of CASR polymorphisms on several cancer risks were performed to suggest a statistical evidence for the association of CASR polymorphisms with cancer risks. Methods MEDLINE, EMBASE, Web of Science, Scopus, and the HuGE databases were searched. Nineteen articles of case–control and cohort studies were included for the final analysis. Results The colorectal cancer risk was reduced in proximal (odds ratio [OR] =0.679, P=0.001) and distal (OR =0.753, P=0.026) colon sites with GG genotype of CASR rs1042636 and increased in distal colon site (OR =1.418, P=0.039) with GG genotype of rs1801726 by additive genetic model. The rs17251221 demonstrated noticeable associations that carrying a homozygote variant increases breast and prostate cancer risk considerably. Conclusion The significant association of CASR polymorphisms with several cancer risks was observed in this review. In particular, the act of CASR polymorphisms as a tumor suppressor or an oncogene differs by cancer site and can be the research target for tumorigenesis.
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Affiliation(s)
- Sohyun Jeong
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Jae Hyun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Myeong Gyu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Nayoung Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - In-Wha Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Therasa Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
| | - Jung Mi Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, South Korea
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Kim SH, Jung SY, Kim MG, Byun JY, Park MS, Yeo SG. Comparison of steroid administration methods in patients with idiopathic sudden sensorineural hearing loss: a retrospective observational study. Clin Otolaryngol 2016; 40:183-90. [PMID: 25346100 DOI: 10.1111/coa.12342] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2014] [Indexed: 12/01/2022]
Abstract
OBJECTIVES To compare the recovery rates of patients with idiopathic sudden sensorineural hearing loss (ISSHL) treated with oral systemic steroids (PO) or intratympanic steroid injection (IT) or both. DESIGN A retrospective observational study. SETTING Tertiary referral centre. PARTICIPANTS Eight hundred and forty-four patients diagnosed with ISSHL within 14 days of the onset of symptoms. The patients were divided into three groups by treatment modality. MAIN OUTCOME MEASURES Threshold of pure-tone tests, age, accompanying symptoms and underlying diseases were compared. The level of final hearing recovery was evaluated by the application of the results of the pure-tone test that was performed at least 3 months after the completion of each treatment. RESULTS Final hearing recovery rate differed significantly by the type of treatment (P = 0.031). Recovery rates in the PO and combined groups were significantly higher in patients with mild (85.1% and 88.6%, respectively) than with profound (52.8% and 69.0%, respectively) hearing loss (P < 0.05). In contrast, severity and recovery rate were not significantly correlated in the IT group (P > 0.05). Combined treatment yielded significantly higher recovery rates than other treatment modalities in patients without hypertension (HTN) and diabetes mellitus (DM) (P = 0.021). CONCLUSION In the group treated with combined therapy, better hearing improvement was obtained than in the groups treated with systemic steroid only or with intratympanic steroid injection only without complications. These findings suggest that the combination of systemic administration and intratympanic injection may improve patient prognosis.
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Affiliation(s)
- S H Kim
- Department of Otorhinolaryngology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - S Y Jung
- Department of Otorhinolaryngology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - M G Kim
- Department of Otorhinolaryngology Head and Neck Surgery, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
| | - J Y Byun
- Department of Otorhinolaryngology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - M S Park
- Department of Otorhinolaryngology, School of Medicine, Kyung Hee University, Seoul, Korea
| | - S G Yeo
- Department of Otorhinolaryngology, School of Medicine, Kyung Hee University, Seoul, Korea
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Choi B, Kim MG, Han N, Kim T, Ji E, Park S, Kim IW, Oh JM. Population pharmacokinetics and pharmacodynamics of busulfan with GSTA1 polymorphisms in patients undergoing allogeneic hematopoietic stem cell transplantation. Pharmacogenomics 2015; 16:1585-94. [PMID: 26419450 DOI: 10.2217/pgs.15.98] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
AIM A population pharmacokinetic (PPK) analysis was conducted to describe the influence of GSTA1 polymorphisms on intravenous busulfan in adults undergoing allogeneic hematopoietic stem cell transplantation. PATIENTS & METHODS A PPK model was developed from 36 patients by a one-compartment model with first-order elimination. RESULTS The typical value of clearance and volume of distribution were 11.0 l/h and 42.4 l, respectively. Clearance decreased by 15% and area under the concentration-time curves (AUCs) increased with GSTA1 variants compared with wild-type (both p < 0.05). Subtherapeutic AUCs were seen only in wild-type patients. CONCLUSION To our knowledge, this is the first PPK study to suggest that GSTA1 polymorphisms in adults are associated with busulfan PK.
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Affiliation(s)
- Boyoon Choi
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Myeong Gyu Kim
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Nayoung Han
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Therasa Kim
- College of Pharmacy, Chonnam National University, Gwangju, Korea
| | - Eunhee Ji
- College of Pharmacy, Gachon University, Incheon, Korea
| | - Seonyang Park
- Department of Internal Medicine, Seoul National University Medicine of College, Seoul, Korea
| | - In-Wha Kim
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Jung Mi Oh
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
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Kim MG, Kim IW, Choi B, Han N, Yun HY, Park S, Oh JM. Population pharmacokinetics of cyclosporine in hematopoietic stem cell transplant patients: consideration of genetic polymorphisms. Ann Pharmacother 2015; 49:622-30. [PMID: 25818517 DOI: 10.1177/1060028015577798] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Cyclosporine (CsA), which is used for graft-versus-host disease prophylaxis in allogeneic hematopoietic stem cell transplant (allo-HSCT), has a narrow therapeutic range and large interindividual and intraindividual pharmacokinetic variability. Nevertheless, population pharmacokinetic (PopPK) studies of CsA in allo-HSCT are scarce. OBJECTIVE The goal of our study was to build a PopPK model of CsA in allo-HSCT in consideration of demographic, clinical, and genetic polymorphisms data. METHODS A total of 34 adult allo-HSCT patients who received CsA were enrolled prospectively. Demographic, clinical, and CYP3A5 *1/*3, CYP2C19 *1/*2/*3, ABCB1 3435C>T, 1236C>T, 2677G>T/A, ABCC2 -24C>T, 1249G>A, VDR Bsml, Apal polymorphisms data were collected. A PopPK modeling was conducted with NONMEM program. RESULTS A 1-compartment model with a 2-transit absorption compartment model was developed. After the stepwise covariate model building process, weight was incorporated into clearance (CL) as a power function model with the exponent value of 0.419. The final typical estimate of CL was 21.2 L/h; volume of distribution was 430 L; logit-transformed bioavailability was 1.49 (bioavailability: 81%); and transit compartment rate was 2.87/h. None of the genetic polymorphisms in CYP3A5, CYP2C19, ABCB1, ABCC2, and VDR were significant covariates in the pharmacokinetics of CsA. CONCLUSIONS In our study, it was observed that weight had a significant effect on CL. Genetic polymorphisms did not affect CsA pharmacokinetics. Prospective studies with a larger number of participants is needed to validate the results of this study.
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Affiliation(s)
- Myeong Gyu Kim
- Seoul National University, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul, Korea
| | - In-Wha Kim
- Seoul National University, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul, Korea
| | - Boyoon Choi
- Seoul National University, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul, Korea
| | - Nayoung Han
- Seoul National University, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul, Korea
| | - Hwi-Yeol Yun
- Chungnam National University, College of Pharmacy, Seoul, Korea
| | - Seonyang Park
- Seoul National University, College of Medicine, Seoul, Korea
| | - Jung Mi Oh
- Seoul National University, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul, Korea
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Cho IH, Song YK, Kim MG, Han N, Kim T, Oh JM. Association between interleukin-10 promoter gene polymorphisms and acute graft-versus-host disease after hematopoietic stem cell transplantation: a systematic review and meta-analysis. ACTA ACUST UNITED AC 2014; 20:121-8. [PMID: 25116082 DOI: 10.1179/1607845414y.0000000183] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES Interleukin-10 (IL-10) is an important immunomodulatory cytokine. The association between IL-10 promoter gene polymorphisms and acute graft-versus-host disease (aGVHD) risk is established; however, results of these studies remain inconclusive. We performed a meta-analysis to clarify the effects of IL-10 promoter gene polymorphisms on aGVHD risk. METHODS The authors searched MEDLINE, EMBASE, and Cochrane Library databases. Two independent authors extracted data, and the effects were estimated from an odds ratio (OR) with 95% confidence intervals (CIs). Subgroup and sensitivity analyses identified sources of heterogeneity. RESULTS Finally, a total of 11 studies encompassing 3588 recipients and 3221 donors were included to study IL-10 -1082 G > A, -819 C > T, and -592 C > A polymorphisms. IL-10 -819 CC genotype was associated with an increased aGVHD risk (grade I-IV: OR, 2.722 (95% CI, 1.360-5.450); grade II-IV: OR, 2.265 (95% CI, 1.015-5.053)). Furthermore, patients who received grafts from donors with an IL-10 -819 CC genotype experienced more frequent grade I-IV aGVHD (OR, 2.306 (95% CI, 1.168-4.551)). Recipients with IL-10 -592 CC genotypes were at increased risk for grade II-IV aGVHD (OR, 1.999 (95% CI, 1.230-3.250)). Together, this meta-analysis found that IL-10 -819 CC and -592 CC polymorphisms increased aGVHD risk. DISCUSSION AND CONCLUSION This meta-analysis found the evidence that the IL-10 -819 CC and -592 CC genotypes in both recipients and donors increased the risk of aGVHD in allogeneic hematopoietic stem cell transplantation (HSCT) patients. These results contribute towards improving patient outcome through insight and rationale for individualized treatment strategies considering genetic determinants.
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Han N, Ha S, Yun HY, Kim MG, Min SI, Ha J, Lee JI, Oh JM, Kim IW. Population Pharmacokinetic-Pharmacogenetic Model of Tacrolimus in the Early Period after Kidney Transplantation. Basic Clin Pharmacol Toxicol 2013; 114:400-6. [DOI: 10.1111/bcpt.12176] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 11/05/2013] [Indexed: 11/28/2022]
Affiliation(s)
- Nayoung Han
- Clinical Pharmacy and Research Institute of Pharmaceutical Sciences; Seoul National University; Seoul Korea
| | - Soojung Ha
- Clinical Pharmacy and Research Institute of Pharmaceutical Sciences; Seoul National University; Seoul Korea
| | - Hwi-yeol Yun
- College of Pharmacy; Chungnam National University; Daejeon Korea
| | - Myeong Gyu Kim
- Clinical Pharmacy and Research Institute of Pharmaceutical Sciences; Seoul National University; Seoul Korea
| | - Sang-Il Min
- Department of Surgery; Seoul National University College of Medicine; Seoul Korea
| | - Jongwon Ha
- Department of Surgery; Seoul National University College of Medicine; Seoul Korea
- Transplantation Research Institute; Seoul National University College of Medicine; Seoul Korea
| | - Jangik Ike Lee
- Yonsei Institute of Pharmaceutical Sciences and College of Pharmacy; Yonsei University; Incheon Korea
| | - Jung Mi Oh
- Clinical Pharmacy and Research Institute of Pharmaceutical Sciences; Seoul National University; Seoul Korea
| | - In-Wha Kim
- Clinical Pharmacy and Research Institute of Pharmaceutical Sciences; Seoul National University; Seoul Korea
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Kim MG, Tucker GS, Pratt DK, Ran S, Thaler A, Christianson AD, Marty K, Calder S, Podlesnyak A, Bud'ko SL, Canfield PC, Kreyssig A, Goldman AI, McQueeney RJ. Magnonlike dispersion of spin resonance in Ni-doped BaFe2As2. Phys Rev Lett 2013; 110:177002. [PMID: 23679760 DOI: 10.1103/physrevlett.110.177002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Indexed: 06/02/2023]
Abstract
Inelastic neutron scattering measurements on Ba(Fe0.963Ni0.037)2As2 manifest a neutron spin resonance in the superconducting state with anisotropic dispersion within the Fe layer. Whereas the resonance is sharply peaked at the antiferromagnetic (AFM) wave vector Q(AFM) along the orthorhombic a axis, the resonance disperses upwards away from Q(AFM) along the b axis. In contrast to the downward dispersing resonance and hourglass shape of the spin excitations in superconducting cuprates, the resonance in electron-doped BaFe2As2 compounds possesses a magnonlike upwards dispersion.
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Affiliation(s)
- M G Kim
- Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA.
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Bhandary B, Lee HY, Back HI, Park SH, Kim MG, Kwon JW, Song JY, Lee HK, Kim HR, Chae SW, Chae HJ. Immature Rubus coreanus Shows a Free Radical-Scavenging Effect and Inhibits Cholesterol Synthesis and Secretion in Liver Cells. Indian J Pharm Sci 2013; 74:211-6. [PMID: 23440938 PMCID: PMC3574530 DOI: 10.4103/0250-474x.106062] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 05/16/2012] [Accepted: 05/20/2012] [Indexed: 11/12/2022] Open
Abstract
Rubus coreanus fruits have been employed as a traditional medicine for centuries in the Asia-Pacific region. Its pharmacological action differs according to the different extraction methods utilized and the degree of fruit ripening. In this study, we determined the cellular effect of different ethanol extracts of mature and immature Rubus coreanus fruits in human hepatic cell line, HepG2 cells. The antioxidant activity, effect on superoxide dismutase activity and cholesterol biosynthesis efficiency was also evaluated. Immature Rubus coreanus extract showed higher antioxidant capability, compared with that of its mature fractions. Cellular antioxidant proteins including HO-1, Cu/Zn-superoxide dismutase and catalase were highly expressed in the presence of Rubus coreanus. Cholesterol levels in HepG2 cells treated with the water fraction of immature Rubus coreanus were significantly reduced. This antihyperlipidaemic action of Rubus coreanus is a consequence of cholesterol biosynthesis and extracellular secretion in HepG2 cells. These results indicate that among different ethanol fraction of mature and immature Rubus coreanus fruit extracts, water extract of immature fruit extract shows higher antioxidant as well as higher antihyperlipidaemic action.
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Affiliation(s)
- B Bhandary
- Department of Pharmacology, Institute of Cardiovascular Research, College of Medicine, Chonbuk National University, Jeonju-565 701, Republic of Korea
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Kim MG, Lamsal J, Heitmann TW, Tucker GS, Pratt DK, Khan SN, Lee YB, Alam A, Thaler A, Ni N, Ran S, Bud'ko SL, Marty KJ, Lumsden MD, Canfield PC, Harmon BN, Johnson DD, Kreyssig A, McQueeney RJ, Goldman AI. Effects of transition metal substitutions on the incommensurability and spin fluctuations in BaFe2As2 by elastic and inelastic neutron scattering. Phys Rev Lett 2012; 109:167003. [PMID: 23215117 DOI: 10.1103/physrevlett.109.167003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Indexed: 06/01/2023]
Abstract
The spin fluctuation spectra from nonsuperconducting Cu-substituted, and superconducting Co-substituted, BaFe(2)As(2) are compared quantitatively by inelastic neutron scattering measurements and are found to be indistinguishable. Whereas diffraction studies show the appearance of incommensurate spin-density wave order in Co and Ni substituted samples, the magnetic phase diagram for Cu substitution does not display incommensurate order, demonstrating that simple electron counting based on rigid-band concepts is invalid. These results, supported by theoretical calculations, suggest that substitutional impurity effects in the Fe plane play a significant role in controlling magnetism and the appearance of superconductivity, with Cu distinguished by enhanced impurity scattering and split-band behavior.
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Affiliation(s)
- M G Kim
- Ames Laboratory, U.S. DOE, Ames, Iowa 50011, USA
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Song J, Kim MG, Choi B, Han NY, Yun HY, Yoon JH, Oh JM. CYP3A5 polymorphism effect on cyclosporine pharmacokinetics in living donor renal transplant recipients: analysis by population pharmacokinetics. Ann Pharmacother 2012; 46:1141-51. [PMID: 22947591 DOI: 10.1345/aph.1r004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Cyclosporine is often used to prevent allograft rejection in renal transplant recipients. However, cyclosporine has a narrow therapeutic window and large variability in its pharmacokinetics. Individual characteristics and genetic polymorphisms can cause the variation. Hence, it is important to determine the cause(s) of the variation in cyclosporine pharmacokinetics. To our knowledge, this is the first reported population pharmacokinetic study of cyclosporine in living donor renal transplant recipients that considered the genetic polymorphism as a covariate. OBJECTIVE To build a population pharmacokinetic model of cyclosporine in living donor renal transplant recipients and identify covariates including CYP3A5*3, ABCB1 genetic polymorphisms that affect cyclosporine pharmacokinetic parameters. METHODS Clinical characteristics and cyclosporine concentration data for 69 patients who received cyclosporine-based immunosuppressive therapy after living donor renal transplantation were collected retrospectively for up to 400 postoperative days. CYP3A5*1/*3 and ABCB1C1236T, G2677T/A, C3435T geno-typing was performed. A population pharmacokinetic analysis was conducted using a NONMEM program. After building the final model, 1000 bootstrappings were performed to validate the final model. RESULTS In total, 2034 blood samples were collected. A 1-compartment open model with first-order absorption and elimination was chosen to describe the pharmacokinetics of cyclosporine. A population pharmacokinetic analysis showed that postoperative days, sex, and CYP3A5 genotype significantly affected the pharmacokinetics of cyclosporine. The final estimate of mean clearance was 56 L/h, and the mean volume of distribution was 4650 L. The interindividual variability for these parameters was 22.98% and 51.48%, respectively. CONCLUSIONS Using the present model to calculate the dose of cyclosporine with CYP3A5 genotyping can be possible for the patients whose cyclosporine concentration is not within the therapeutic range even with therapeutic drug monitoring.
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Affiliation(s)
- Joohan Song
- College of Pharmacy, Seoul National University, Seoul, Korea
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Kim YJ, Kim MG, Jeon HJ, Ro H, Park HC, Jeong JC, Oh KH, Ha J, Yang J, Ahn C. Clinical manifestations of hypercalcemia and hypophosphatemia after kidney transplantation. Transplant Proc 2012; 44:651-6. [PMID: 22483461 DOI: 10.1016/j.transproceed.2011.12.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
INTRODUCTION Abnormalities of calcium and phosphorus metabolism in end-stage renal disease patients can persist after transplantation. We investigated their natural courses after transplantation, their risk factors for posttransplantation hypercalcemia and hypophosphatemia, and their impacts on allograft outcomes. METHODS We retrospectively analyzed a total of 490 adult patients who underwent kidney transplantations between 2000 and 2009. RESULTS The serum calcium continued to increase, and reaching a plateau at around 3 months after transplantation. Thereafter it decreased, reaching a stable level by 2 years. Forty-four patients (9.0%) displayed hypercalcemia within 1 year; it persisted longer than that in 23 subjects (4.7%). Both longer dialysis duration (odds ratio [OR] 1.423; 95% confidence interval [CI], 1.192-1.699) and high intact serum parathyroid hormone (iPTH) level before transplantation (OR 1.002; 95% CI, 1.000-1.003) increased the risk for posttransplantation hypercalcemia. After a significant decrease during the first week, the serum phosphorus level increased, becoming stable between 1 and 6 months after transplantation. Hypophsphatemia occurred in 379 patients (77.3%) with 336 patients displaying hypophosphatemia without hypercalcemia. However, neither hypercalcemia nor hypophosphatemia influenced graft outcomes. Eight patients underwent pretransplantation parathyroidectomy, whereas 4 patients underwent posttransplantation parathyroidectomy. Neither group of patients experienced posttransplantation hypercalcemia. CONCLUSIONS Both hypercalcemia and hypophosphatemia are common after renal transplantation, especially among patients with a long history of dialysis before transplantation. Strict control of hyperparathyroidism including parathyroidectomy before transplantation may be the appropriate approach to these abnormalities.
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Affiliation(s)
- Y J Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
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