• Title/Summary/Keyword: screening trial

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Efficacy of a Training Program for Long-Term Disease-Free Cancer Survivors as Health Partners: A Randomized Controlled Trial in Korea

  • Yun, Young Ho;Lee, Myung Kyung;Bae, Yeonmin;Shon, Eun-Jung;Shin, Bo-Ram;Ko, Hyonsook;Lee, Eun Sook;Noh, Dong-Young;Lim, Jae-Young;Kim, Sung;Kim, Si-Young;Cho, Chi-Heum;Jung, Kyung Hae;Chun, Mison;Lee, Soon Nam;Park, Kyong Hwa;Chang, Yoon Jung
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.12
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    • pp.7229-7235
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    • 2013
  • Background: To determine whether the Health Partner Program is effective in training long-term cancer survivors to be health coaches. Materials and Methods: We randomly assigned cancer survivors who were selected through a rigorous screening process to either the Health Partner Program or the waiting-list control group. The program consisted of 8 weeks of training in health management, leadership, and coaching. At baseline, 8, and 16 weeks, we measured primary outcomes using the Seven Habit Profile (SHP), the Korean Leadership Coaching Competency Inventory (KCCI), Ed Diner's Satisfaction with Life Scale (SWLS), and the Posttraumatic Growth inventory (PTGI) and secondary outcomes using the Hospital Anxiety and Depression Scale (HADS), the Impact of Event Scale-Revised (IES-R), and the Medical Outcomes Study (MOS) short form 36-item questionnaire (SF-36). Results: We recruited 70 subjects and randomly assigned 34 to the intervention group. The Sharpen the Saw habit of the SHP increased significantly more in intervention group than in the control group (p=0.049), as did most PTGI factors. The intervention group also showed a significantly greater enhancement of vitality (p=0.015) and mental health (p=0.049) SF-36 scores but no improvement in KCCI, SWLS, HADS, or IES-R scores. The intervention group also showed a greater clinically meaningful improvement in the "Think Win-Win" of SHP (p=0.043) and in the personal strength score (p=0.025) and total score (p=0.015) of the PTGI. Conclusions: Long-term cancer survivors can benefit from the Health Partner Program to become health coaches.

Research Trends of Randomized Controlled Trials on Herbal Medicine Treatment for Atopic Dermatitis-Focusing on CNKI (아토피 피부염의 한약 치료에 대한 무작위대조군연구 중심의 연구 동향 - CNKI를 중심으로)

  • Yang, Geum-Jin;Jo, Eun-hee;Kang, Su-Jin;Hong, Jieun;Shim, Yu-Hwa;Lee, Ju-Hyun;Park, Min-cheol
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.34 no.2
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    • pp.102-116
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    • 2020
  • The purpose of this study was to analyze the research trends of randomized controlled trials on herbal medicine treatment for atopic dermatitis in China for the last 5 years. We searched for randomized controlled trials with the intervention of herbal medicine for the treatment of atopic dermatitis in the CNKI (China National Knowledge Infrastructure) from January 2014 to December 2018. For the screening of the paper, we used '特应性皮炎' and '异位性皮炎' which mean atopic dermatitis and search was limited to three areas within Medicine & Public Health: Traditional Chinese Medicine, Traditional Chinese Medicinal Herbs, Combination of Traditional Chinese Medicine with Western Medicine. Among the 136 searched studies, we selected a total of 34 studies and analyzed a year of publication, subject characteristics, study design and intervention, prescribed herbal medicine and herbs, pattern identification, evaluation criteria, and outcomes. Longmu decoction (龍牡湯) and Polia Sclerotium (茯笭) was the most frequently prescribed medicine and herb. The most commonly used pattern identification was Blood deficiency and Wind-dryness (血虛風燥), and among them, the most frequently prescribed herb is Rehmanniae Radix (生地黃). In most studies using the total effectiveness and SCORAD index as an outcome measure, the herbal medicine treatment group showed statistically better results than the control group. As a result of the safety assessment, the herbal medicine treatment group was reported having significantly fewer side effects compared to the control group. Hence, it was confirmed that the intervention including herbal medicine had a significant effect on atopic dermatitis. This study would be able to provide the basis of clinical research on atopic dermatitis and applied to the treatment of atopic dermatitis.

Prognostic Factor Analysis of Overall Survival in Gastric Cancer from Two Phase III Studies of Second-line Ramucirumab (REGARD and RAINBOW) Using Pooled Patient Data

  • Fuchs, Charles S.;Muro, Kei;Tomasek, Jiri;Van Cutsem, Eric;Cho, Jae Yong;Oh, Sang-Cheul;Safran, Howard;Bodoky, Gyorgy;Chau, Ian;Shimada, Yasuhiro;Al-Batran, Salah-Eddin;Passalacqua, Rodolfo;Ohtsu, Atsushi;Emig, Michael;Ferry, David;Chandrawansa, Kumari;Hsu, Yanzhi;Sashegyi, Andreas;Liepa, Astra M.;Wilke, Hansjochen
    • Journal of Gastric Cancer
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    • v.17 no.2
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    • pp.132-144
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    • 2017
  • Purpose: To identify baseline prognostic factors for survival in patients with disease progression, during or after chemotherapy for the treatment of advanced gastric or gastroesophageal junction (GEJ) cancer. Materials and Methods: We pooled data from patients randomized between 2009 and 2012 in 2 phase III, global double-blind studies of ramucirumab for the treatment of advanced gastric or GEJ adenocarcinoma following disease progression on first-line platinum- and/or fluoropyrimidine-containing therapy (REGARD and RAINBOW). Forty-one key baseline clinical and laboratory factors common in both studies were examined. Model building started with covariate screening using univariate Cox models (significance level=0.05). A stepwise multivariable Cox model identified the final prognostic factors (entry+exit significance level=0.01). Cox models were stratified by treatment and geographic region. The process was repeated to identify baseline prognostic quality of life (QoL) parameters. Results: Of 1,020 randomized patients, 953 (93%) patients without any missing covariates were included in the analysis. We identified 12 independent prognostic factors of poor survival: 1) peritoneal metastases; 2) Eastern Cooperative Oncology Group (ECOG) performance score 1; 3) the presence of a primary tumor; 4) time to progression since prior therapy <6 months; 5) poor/unknown tumor differentiation; abnormally low blood levels of 6) albumin, 7) sodium, and/or 8) lymphocytes; and abnormally high blood levels of 9) neutrophils, 10) aspartate aminotransferase (AST), 11) alkaline phosphatase (ALP), and/or 12) lactate dehydrogenase (LDH). Factors were used to devise a 4-tier prognostic index (median overall survival [OS] by risk [months]: high=3.4, moderate=6.4, medium=9.9, and low=14.5; Harrell's C-index=0.66; 95% confidence interval [CI], 0.64-0.68). Addition of QoL to the model identified patient-reported appetite loss as an independent prognostic factor. Conclusions: The identified prognostic factors and the reported prognostic index may help clinical decision-making, patient stratification, and planning of future clinical studies.

The Detection of Irradiated Composite Seasoning Foods by Analyzing Photostimulated Luminescence (PSL), Electron Spin Resonance (ESR) and Thermoluminescence (TL) (PSL, ESR 및 TL 측정에 의한 복합조미식품의 방사선 조사여부 검지)

  • Kwon Joong-Ho;Kim Mi-Yeung;Kim Byeong-Keun;Chung Hyung-Wook;Kim Tae-Cheol;Kim Soo-Jin
    • Food Science and Preservation
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    • v.13 no.1
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    • pp.55-60
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    • 2006
  • Two kinds of composite seasoning products (beef broth powder, polk bone extract powder) were used for a detection trial of gamma irradiation treatment up to 10 kGy by analyzing photostimulated luminescence (PSL), electron spin resonance (ESR) and thermoluminescence(TL). PSL results showed that the photon counts of non-irradiated samples were lower than 700, while those of irradiated samples were higher than 5000, which makes it possible to screen irradiated composite seasoning products at 1 kGy or over from the non-irradiated control. ESR signals measured for both irradiated samples were not irradiation-specific, even though they were dose dependent in the signal intensity. Radiation-induced TL glow curves were found in irradiated beef broth powder and furthernmore, TL ratio $(TL_4/TL_2)$ obtained by a re-irradiation step could verify the detection result of TL1 glow curves, showing ratios lower than 0.05 in the non-irradiated sample and higher than 1.00 in irradiated ones.

Evaluation of Diagnostic Performance of a Polymerase Chain Reaction for Detection of Canine Dirofilaria immitis (개 심장사상충을 진단하기 위한 중합연쇄반응검사 (PCR)의 진단적 특성 평가)

  • Pak, Son-Il;Kim, Doo
    • Journal of Veterinary Clinics
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    • v.24 no.2
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    • pp.77-81
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    • 2007
  • Diagnostic performance of polymerase chain reaction (PCR) for detecting Dirofilaria immitis in dogs was evaluated when no gold standard test was employed. An enzyme-linked immunosorbent assay test kit (SnapTM, IDEXX, USA) with unknown parameters was also employed. The sensitivity and specificity of the PCR from two-population model were estimated by using both maximum likelihood using expectation-maximization (EM) algorithm and Bayesian method, assuming conditional independence between the two tests. A total of 266 samples, 133 samples in each trial, were randomly retrieved from the heartworm database records during the year 2002-2004 in a university animal hospital. These data originated from the test results of military dogs which were brought for routine medical check-up or testing for heartworm infection. When combined 2 trials, sensitivity and specificity of the PCR was 96.4-96.7% and 97.6-98.8% in EM and 94.4-94.8% and 97.1-98% in Bayesian. There were no statistical differences between estimates. This finding indicates that the PCR assay could be useful screening tool for detecting heartworm antigen in dogs. This study was provided further evidences that Bayesian approach is an alternative approach to draw better inference about the performance of a new diagnostic test in case when either gold test is not available.

Expression of Anthrax Lethal Factor, a Major Virulence Factor of Anthrax, in Saccharomyces cerevisiae (Yeast내에서 탄저병 원인균인 Bacillus anthracis의 치사독소인 Lethal Factor 단백질 발현)

  • Hwang Hyehyun;Kim Joungmok;Choi Kyoung-Jae;Chung Hoeil;Han Sung-Hwan;Koo Bon-Sung;Yoon Moon-Young
    • Korean Journal of Microbiology
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    • v.41 no.4
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    • pp.275-280
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    • 2005
  • Anthrax is an infectious disease caused by the gram-positive bacterium, Bacillus anthracis. Anthrax toxin is a tripartite toxin comprising of protective antigen (PA), lethal factor (LF) and edema factor (EF). PA is the receptor-binding component, which facilitates the entry of LF or EF onto the cytosol. LF is a zinc-dependent metalloprotease, which is a critical virulence factor in cytotoxicity of infected animals. Therefore, it is of interest to develop its potent inhibitors for the neutralization of anthrax toxin. The first step to identify the inhibitors is the development of a rapid, sensitive, and simple assay method with a high-throughput ability. Much efforts have been concentrated on the preparation of powerful assays and on the screening of inhibitors using these system. In the present study, we have tried to construct anthrax lethal factor in yeast expression system to prepare cell-based high-throughput assay system. Here, we have shown the results covering the construction of a new vector system, subcloning of LF gene, and the expression of target gene. Our results are first trial to express LF gene in eukaryote and provide the basic steps in design of cell-based assay system.

Photostimulated Luminescence-Thermoluminescence Application to Detection of Irradiated White Ginseng Powder (방사선 조사 백삼분말의 PSL-TL 다중검지법)

  • Chung, Hyung-Wook;Delincee, Henry;Kwon, Joong-Ho
    • Korean Journal of Food Science and Technology
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    • v.32 no.2
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    • pp.265-270
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    • 2000
  • White ginseng powder, permitted to be irradiated in Korea for the purpose of microbial decontamination, was treated with electron beam at doses of $0{\sim}15\;kGy$ for a detection trial whether it is irradiated or not by measuring photostimulated luminescence for whole samples first and then (TL) for the mineral adhering to the samples. PSL values were less than threshold value (700, $T_{1}$) and were negative for nonirradiated samples but more than 5000 $(T_2)$ and were positive for irradiated ones. After PSL measurement mineral was separated from the whole samples using density separation. Mineral of nonirradiated samples was characterized by glow curves which have low intensity and were situated at the high temperature region (about $300^{\circ}C$) by the low level of natural radioactivity. Glow curves of minerals for all irradiated samples were observed at about $200^{\circ}C$. TL ratio by normalization was 0.01 for nonirradiated sample and more than 0.78 for irradiated samples, and it was possible to detect whether white ginseng powders were irradiated or not.

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A Study on Verification of Equivalence and Effectiveness of Non-Pharmacologic Dementia Prevention and Early Detection Contents : Non-Randomly Equivalent Design

  • Jeong, Hyun-Seok;Kim, Oh-Lyong;Koo, Bon-Hoon;Kim, Ki-Hyun;Kim, Gi-Hwan;Bai, Dai-Seg;Kim, Ji-Yean;Chang, Mun-Seon;Kim, Hye-Geum
    • Journal of Korean Neurosurgical Society
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    • v.65 no.2
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    • pp.315-324
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    • 2022
  • Objective : The aim of this study was to verify the equivalence and effectiveness of the tablet-administered Korean Repeatable Battery for the Assessment of Neuropsychological Status (K-RBANS) for the prevention and early detection of dementia. Methods : Data from 88 psychiatry and neurology patient samples were examined to evaluate the equivalence between tablet and paper administrations of the K-RBANS using a non-randomly equivalent group design. We calculated the prediction scores of the tablet-administered K-RBANS based on demographics and covariate-test scores for focal tests using norm samples and tested format effects. In addition, we compared the receiver operating characteristic curves to confirm the effectiveness of the K-RBANS for preventing and detecting dementia. Results : In the analysis of raw scores, line orientation showed a significant difference (t=-2.94, p<0.001), and subtests showed small to large effect sizes (0.04-0.86) between paper- and tablet-administered K-RBANS. To investigate the format effect, we compared the predicted scaled scores of the tablet sample to the scaled scores of the norm sample. Consequently, a small effect size (d≤0.20) was observed in most of the subtests, except word list and story recall, which showed a medium effect size (d=0.21), while picture naming and subtests of delayed memory showed significant differences in the one-sample t-test. In addition, the area under the curve of the total scale index (TSI) (0.827; 95% confidence interval, 0.738-0.916) was higher than that of the five indices, ranging from 0.688 to 0.820. The sensitivity and specificity of TSI were 80% and 76%, respectively. Conclusion : The overall results of this study suggest that the tablet-administered K-RBANS showed significant equivalence to the norm sample, although some subtests showed format effects, and it may be used as a valid tool for the brief screening of patients with neuropsychological disorders in Korea.

A Study of The Vitalizing Effects of Smartphone Film Production on International Exchange : Focusing on Smartphone Film Workshop of Korean-Vietnamese (스마트폰 영화제작을 통한 국제 교류 활성화 연구 : 한국-베트남 영화제 스마트폰 영화 워크숍을 중심으로)

  • Sung, Si-Hup
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.2
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    • pp.1-12
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    • 2019
  • Based on the capabilities of smartphone cameras which have developed rapidly in recent decades, coupled with and the global market penetration rate, it will study the possibility of various international exchanges through smartphone filmmaking. This aims to achieve a civilian-oriented cultural exchange, instead of simply providing capital-oriented exchanges and film production education. The Smartphone Film Workshop was held as an auxiliary event of the Korea-Vietnam Film Festival, which ran from November 17 to 22, 2017. The three-day workshop, which took place within the festival period, drew attention for its international collaboration project between Korean film directors and Vietnamese film students. The researcher conducted practical-based research while participating as a mentor at this workshop. A step-by-step approach to the entire process of production and post-production was administered, including workshop team composition, scenario, and pre-production in Korea such as shooting equipment, schedule, completion of local works, and screening. Through an analysis of exchange cases at international workshops, we will use trial and error as ways to improve and consider the results of cultural exchanges and the effects of future expectations. Taking this empirical case study into account, we anticipate more active international exchanges through the smartphone workshops.

Effects of Galantamine Treatment on Attention, Activities of Daily Living, and Neuropsychiatric Symptoms between the Patients with Pure Alzheimer's Disease and Mixed Dementia (갈란타민(Galantamine) 투여 후 순수 알츠하이머병 치매와 혼합성 치매 환자의 주의력, 일상생활능력 및 신경정신행동 증상에 대한 효과 평가)

  • Kang, Hyo Shin;Yun, Ji Hae;Ahn, Inn Sook;Moon, Yu Jin;Hwang, Tae Young;Lee, Young Min;Kim, Hyeran;Kim, Doh Kwan
    • Journal of Korean geriatric psychiatry
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    • v.16 no.1
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    • pp.24-30
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    • 2012
  • Objectives : The purpose of this study was to compare the efficacy of galantamine treatment, especially attention ability between patients with pure Alzheimer's disease (AD) and Mixed dementia (MD) during a 24-week trial. Methods : A total of 40 patients were recruited for this 24-week study. The effect of galantamine on attention was measured using Seoul Computerized NeuroCognitive Function Test (SCNT) and frontal functions test of Seoul Neuropsychological Screening Battery (SNSB). Patients'activities of daily living using the Seoul-Activities of Daily Living (S-ADL) and the Seoul-Instrumental Activities of Daily Living (S-IADL) ; behavioral symptoms using the Korean version Neuropsychiatric Inventory (K-NPI) were measured at baseline and 24-week. Results : 17 pure AD patients and 23 MD patients were analyzed in this study. Attention as measured by SCNT was not significantly different from baseline after 24 weeks of treatment in both groups. There was no significant difference between two groups in mean change from baseline in the SCNT, S-ADL, S-IADL and K-NPI scores at 24-week. Conclusion : Galantamine showed a therapeutic effect on cognition, activities of daily living, neuropsychiatric symptoms in pure AD and MD. Furthermore, Galantamine may specifically help to maintain attention and it may have positive effects on other cognitive and functional abilities.