• Title/Summary/Keyword: preventive drug

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Risk Assessment and Pharmacogenetics in Molecular and Genomic Epidemiology

  • Park, Sue-K.;Choi, Ji-Yeob
    • Journal of Preventive Medicine and Public Health
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    • v.42 no.6
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    • pp.371-376
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    • 2009
  • In this article, we reviewed the literature on risk assessment (RA) models with and without molecular genomic markers and the current utility of the markers in the pharmacogenetic field. Epidemiological risk assessment is applied using statistical models and equations established from current scientific knowledge of risk and disease. Several papers have reported that traditional RA tools have significant limitations in decision-making in management strategies for individuals as predictions of diseases and disease progression are inaccurate. Recently, the model added information on the genetic susceptibility factors that are expected to be most responsible for differences in individual risk. On the continuum of health care, from diagnosis to treatment, pharmacogenetics has been developed based on the accumulated knowledge of human genomic variation involving drug distribution and metabolism and the target of action, which has the potential to facilitate personalized medicine that can avoid therapeutic failure and serious side effects. There are many challenges for the applicability of genomic information in a clinical setting. Current uses of genetic markers for managing drug therapy and issues in the development of a valid biomarker in pharmacogenetics are discussed.

A study on efficacy and safety of Bio-Gammamix by oral administratiion to cultured fish (양식어류에 있어서 생약제제(바이오감마믹스)의 경구투여에 의한 효능 및 안전성에 관한 연구)

  • Heo, Gang-joon;Kim, Byeung-gie;Yeh, Jae-gill;kim, Jeong-ho
    • Korean Journal of Veterinary Research
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    • v.34 no.3
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    • pp.627-633
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    • 1994
  • A study on efficacy and safety of Bio-Gammamix was performed to use for the preventive drug against bacterial diseases to mirror carp(Cyprinus carpio), rainbow trout(Salmo gairdneri), eel(Anguilla japonica) and flounder(Paralichthys olivaceus). The main ingredients of Bio-Gammamix were ferrous fumarate and mixed extrated powders of licorice root, ox bile and garlic. The test drug was proved to improve feeding habit and feed efficiency and decrease cumulative mortality remarkably. After administration, no side effects and histopathological changes were observed. We can prevent outbreaks of bacterial diseases of fish by the dosage of 1kg/ton of fish body weight perorally once or two times in a day for 7 days and Bio-Gammamix is thought to be used effectively an widely against most bacterial fish pathogens.

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A Study on Amendment of Approval Specifications for Traditional Korean Medicines (한약제제 허가기준 개선방안 연구(I))

  • Han Byong-Hyon;Hwang Gwi-Seo
    • Journal of Society of Preventive Korean Medicine
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    • v.5 no.1
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    • pp.57-75
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    • 2001
  • This study was conducted to improve the current regulation guidelines for developing traditional Korean medicines with effectiveness and productivity, in order to cope with the upcoming ICH on specifications on oriental herbal drugs. Also, major purposes of this study are to motivate R&D and to pioneer foreign markets for domestic herbal drug companies. First, after examining concepts of traditional Korean medicines and comparing the numbers and differentiation of herbal drugs registered on Pharmacopeia among Korea, China, and Japan, the current new drug development requirements for traditional Korean medicines were reviewed in detail, followed by comparison of foreign regulation systems including USA, EU, China, and Japan. Second, empirical cases on failure of development for new traditional Korean medicines under the current regulation system in the domestic companies including Dong-A, Kwangdong, and Samchondang, were collected and analyzed. As a result, hanbangsaengyak, the new category for traditional Korean medicines was newly developed on the basis of scientification of data between saengyak and hanyak, from the perspectives of harmonization between oriental medicine and western medicine and of balance between food and drug, in terms of industrialization, publicity, modernization, and effectiveness of administration. In addition, the new regulation requirements for the new hanbangsaengyak preparations were discussed by establishing principles of reinforcing preclinical test and of simplifying clinical trials in Korea. Finally, the further researches to articulate the complete specifications for pre-clinical and clinical requirements for traditional Korean medicines were strongly suggested.

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Current Research Trend of Herbal Medicine in Pharmacoepidemiology (약물역학분야의 한약연구동향)

  • Woo, Yeonju
    • Journal of Society of Preventive Korean Medicine
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    • v.22 no.3
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    • pp.11-19
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    • 2018
  • Objectives : The aim of this study is to investigate the current research trend of herbal medicine based on the published articles in pharmacoepidemiologic journals. Methods : A total of 3 electronic journals, Pharmacoepidemiology and Drug Safety(PDS), Drug Safety and Journal of Pharmacoepidemiology and Risk Management(JPERM) from January 2013 to August 2018 were used for searching articles about herbal medicine. Selected articles were reviewed and classified under 5 categories-collection of adverse events in herbal medicine, statistical modeling and methodology, pharmaco-epidemiologic outcome study, drug utilization review(DUR), risk management system and regulation. Results : A total of 8 articles were finally included for analysis. 2 articles were categorized in collection of adverse events in herbal medicine, 1 was statistical modeling and methodology, 2 were pharmacoepidemiologic outcome study and 3 were risk management system and regulation. There was no article in DUR. And then pharmacoepidemiologic research trends of herbal medicine were summarized in classification of 5 categories. Conclusions : To sum up with these 8 articles of herbal medicine in pharmacoepidemiologic journals, herbal medicine was of interesting concern among researchers. The need for research on safety and risk management of herbal medicine is steadily increasing, pharmacoepidemiologic research about herbal medicine must be activated in Korea.

A Study on the Development of Guideline for Assessing Anterior Nasal Cavity Using Nasal Endoscopy on Allergic Rhinitis Patients (비내시경을 활용한 알레르기 비염 환자의 전비경 소견 평가 척도 개발)

  • Yun, Young-Hee;Park, Jeong-Su;Kim, Kyu-Seok;Kim, Nam-Kwen;Kim, Kyung-Jun;Kim, Hee-Taek;Hong, Seung-Ug;Choi, In-Hwa;Ko, Seong-Gyu
    • Journal of Society of Preventive Korean Medicine
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    • v.17 no.1
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    • pp.199-207
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    • 2013
  • Objectives : The prevalence of Allergic Rhinitis (AR) has increased during the last decade. However, a lot of decisions on the assessment and treatment of AR are made depending on the personal experiences and choices of physicians. To suggest preferable approaches and to minimize the variations according to physicians, guidelines for assessing anterior nasal cavity using nasal endoscopy on AR is needed. Methods : The Korean Oriental Medical Ophthalmology, Otolaryngology and Dermatology Society and the Korean Oriental Preventive Medical Society has set out to develop the guidelines for the assessing anterior nasal cavity using nasal endoscopy on AR. Results & Conclusions : This is the first Korean guideline for the assessment of AR and should be revised and supplemented in the future as new evidence becomes available.

The Effect to Drug Metabolizing Enzyme Cytochrome P450 3A4 by Chungyulyak (청열약 수종의 Cytochrome P450 3A4 효소활성도에 미치는 영향)

  • Jo, Hee-Chan;Shin, Yong-Cheol;Ko, Seong-Gyu
    • Journal of Society of Preventive Korean Medicine
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    • v.12 no.3
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    • pp.99-113
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    • 2008
  • In this study, the author experimented the influence of five herbal medicines, which are Lonicera japonica Thunb, Paeonia suffruticosa Andr., Fraxinus rhynchophylla Hance, Gardenia jasminoides Ellis, Scutellaria baicalensis George which are called 'Chungyulyak(淸熱藥)' on drug metabolizing enzyme cytochrome P450 3A4 in Human Liver Microsome. Above all, the reason for this study is that herbal medicines can be assumed that herbs might have interactions with drugs, other herbs, alcohol and chemicals whether those are much better synergy effects than expected effects when the medicine was treated alone or not. As a result, we showed that all of five traditional herbal medicines had no CYP 3A4 inhibition effect on 10, 20, 30, 40, $50{\mu}g/m{\ell}$ doses in Human Liver Microsome. However, this result are mostly not enough to prove that PMT has a CYP 3A4 inhibition effect. Moreover, it is not that those rates showed that those herbal medicines have CYP 3A4 induction effect. In conclusion, the result could support that those herbal medicines are more safe than chemical drugs even if this is the basic step to prove that result. Therefore, more specific studies to support this result, which are Kinetic study, cell and animal study then finally until clinical research, are required.

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Short-term Glycemic Control and the Related Factors in Association with Compliance in Diabetic Patients (당뇨병 환자의 치료순응도에 따른 단기간 혈당조절정도와 관련 요인)

  • Kim, Gui-Young;Kim, Bo-Wan;Park, Jae-Yong
    • Journal of Preventive Medicine and Public Health
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    • v.33 no.3
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    • pp.349-363
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    • 2000
  • Objectives : Generally, it seemed that the therapeutic result in diabetic patients was changed by compliance. This study was conducted on the basis of assumption that the therapeutic result id diabetic patients could control according to compliance. This study was conducted to analyze the related factors in association with compliance to drug, diet and exercise therapy. Methods : 224 diabetic patients in Kyungpook National University Hospital were selected through the interviews and HbA1c values from 1 Jan. to 28 Feb.1997. The drug compliance was tested by regularity of drug administration, the diet compliance was tested by restriction of food, exactly allocation, balance of nutrient, measuring food and the exercise compliance was tested by regularity of exercise per day. We assessed compliance by percentage, $x^2-test$ and generalized logit regression model(method:enter). Results : The significant variable was the satisfaction to medical personnels in drug, the knowledge to disease in diet, the participation of the diabetic education in exercise therapy and the satisfaction to medical personnels in HbA1c. Using the generalized logit model(method : enter) in compliance change, the significant variables were the satisfaction to medical personnels and the complication in drug; the significant variables were the age at the first diagnosis, the family history, the concern of health, the knowledge of disease, the self-exertion for therapy and the complication in diet: the only significant variable was the gender in exercise therapy. Conclusions : The degree of glycemic control in diabetic patients was influenced by compliance. In order to improve patient's compliance, we must foster the knowledge on the diseases, lead participation for diabetic education. Because the satisfaction to medical personnels was the important variables, we must build up good relationship between doctors and patients.

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Changes in Hospital and Clinic Care Patterns Under the Medical Insurance System (의료보험 실시후 2년간의 진료양상의 변화 -서울시내 의료기관 입원환자를 중심으로-)

  • Suh, Il
    • Journal of Preventive Medicine and Public Health
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    • v.14 no.1
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    • pp.3-12
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    • 1981
  • To identify the changes in professional care patterns after the introduction of medical insurance in Korea, professional care in hospitals and clinics of two succeeding years were compared. The hospitals and clinics selected for this study were those which located in Seoul city. Hospitals were classified into 3 categories: university hospital, general hospital and hospital. The diseases selected for this study were acute appendicitis and normal delivery. They were selected because their disease courses are considered to be fairly stable. The variables used for this study were length of stay, total hospital costs, costs of each components of cares. The information used for this study was obtained from the official forms requested by the medical facilities to the Korea Medical Insurance Corporation. The two periods studied were 3 months of each year from March 1st to May 31st in 1979 and 1980, The total number of normal delivery studied was 289 in 1979, 301 in 1980 respectively and the acute appendicitis was 92 and 111 respectively. In order to compare the quantity of medical care between 2 study periods the insurance price scores of 1979 were converted to prices of 1980. For statistical test of difference between 2 periods T-test and Welch's test were used. The result of the study were briefly summarized in below. 1. No significant difference was observed in the average length of stay of both disease between two study periods in all types of hospitals. 2. No significant difference was observed in the average total hospital costs of both diseases in all types of hospital, but in the private clinic the average clinic costs was rather decreased significantly in 1980. 3. More cost decrease were seen than cost increase in 1980 in all types of facilities, More cost changes by items were seen in acute appendicitis than in normal delivery between two study periods. The total hospital costs can be devided into 2 portions: charges for drug and material and for physician. In normal delivery, costs for physician's charges was significantly decreased in almost all the hospitals and costs for drug and material were not changed significantly in all the hospitals in 1980. In the university hospitals, however, the costs for drug and material were increased significantly in 1980. The cost decrease for physician's charge were mainly due to the decrease in the costs of laboratory test, treatment and physical therapy. The increase in the costs for the drug and material in the university hospitals was mainly due to the increase in the cost for drugs for oral administration and injection. 4. The proportion of components of medical care in the hospital has not been changed significantly, however, the cost for injection in normal delivery was characteristically increased in 1980 in all hospitals studied. In general the proportion of the costs for drug and material was tended to increase and the costs for physician was tended to decrease in 1980. The increase in the costs for drug and material were considered to be due to increase in the cost for drugs for oral administration and injection. The decrease in the costs for physician were due to decrease in the costs of laboratory test, treatment and physical therapy. Above mentioned changes in hospital and clinic care patterns are considered to be mostly influenced by the review criteria set by the K.I.C. for the assessment of the fee request made by clinics and hospitals.

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The Associated Factors with Utilization of Tests for Diabetes Complication and Hemoglobin A1c among Some Diabetes Patients (당뇨병 환자의 합병증검사 및 당화혈색소검사 수진 관련 요인)

  • Son, Young Eun;Ryu, So Yeon;Park, Jong;Han, Mi Ah;Gu, Hyae Min
    • Health Policy and Management
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    • v.26 no.3
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    • pp.207-218
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    • 2016
  • Background: This study was performed to identify factors associated with the utilization of tests for diabetes complication and hemoglobin A1c (HbA1c) among diabetes patients in Jeollanam-do, Korea. Methods: The study subjects were 2,310 diabetes patients participated in 2014 community health survey in Jeollanam-do, Korea. Dependent variables were the utilizations of fundus examination, microalbuminuria test, and HbA1c test. The used statistical analysis methods were chi-square test and hierarchical regression analysis with weight in consideration of complex sample design. Results: The utilization rates of fundus examination, microalbuminuria test, and HbA1c test were 25.8%, 27.4%, and 12.3%, respectively. In the results of hierarchical regression, fundus examination was significantly related to age, education level in predisposing factors, residential area in enabling factors and recognition of blood sugar, drug therapy, and subjective health status in need factors. Microalbuminuria examination was significantly related to monthly income, residential area in predisposing and health screening, recognition of blood sugar, drug therapy, diabetic education, number of chronic disease, and subjective health status in need factors. HbA1c examination was significantly related to age, education level, marital status in predisposing factors, residential area in enabling factors and drinking, recognition of blood sugar, drug therapy, and diabetic education in need factors. Conclusion: The results of this study were shown that perception of their disease seriousness, education about diabetes management, and accessibility of tests were important to utilization of test for diabetes complication and HbA1c. It might be necessary to the develop and strength strategies for enhancing the utilization of tests for diabetes complication and management in diabetes patients.