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Cancer Research and Treatment: Official Journal of Korean Cancer Association

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https://www.readbyqxmd.com/read/28449574/the-clinical-utilization-of-radiation-therapy-in-korea-between-2011-and-2015
#1
Young-Seok Seo, Mi-Sook Kim, Jin-Kyu Kang, Won-Il Jang, Hee Jin Kim, Chul Koo Cho, Hyung Jun Yoo, Eun Kyung Paik, Yu Jin Cha, Jae Sun Yoon
Purpose: The purpose of this study was to estimate the clinical utilization of radiation therapy (RT) in Korea between 2011 and 2015. Materials and Methods: We analyzed the claims data from the Health Insurance Review and Assessment Service (HIRA) to estimate the clinical utilization of RT. The source population consisted of all patients who had any of the International Classification of Diseases 10 (ICD-10) cancer diagnoses (C00-C97) and those with diagnostic codes D00-D48, who were also associated with at least one of the procedure codes related to RT...
April 25, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421724/a-national-study-of-survival-trends-and-conditional-survival-in-nasopharyngeal-carcinoma-analysis-of-the-national-population-based-surveillance-epidemiology-and-end-results-registry
#2
Jia-Wei Lv, Xiao-Dan Huang, Yu-Pei Chen, Guan-Qun Zhou, Ling-Long Tang, Yan-Ping Mao, Wen-Fei Li, Ai-Hua Lin, Jun Ma, Ying Sun
Purpose: Conditional survival (CS) provides important information on survival for a period of time after diagnosis. Currently, information on CS patterns of patients with nasopharyngeal carcinoma (NPC) is lacking. We aimed to analyze survival rate over time and estimate CS for NPC patients using a national population-based registry. Materials and Methods: Patients diagnosed with NPC between 1973-2007 with at least 5-years follow-up were identified from the Surveillance Epidemiology End...
April 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421723/clinical-outcomes-of-proton-beam-therapy-for-choroidal-melanoma-at-a-single-institute-in-korea
#3
Tae Wan Kim, Euncheol Choi, Jeonghoon Park, Dong-Ho Shin, Su Kyung Jung, Susie Seok, Kwan Ho Cho, Joo-Young Kim, Dae Yong Kim, Tae Hyun Kim, Yang Kwon Suh, Yeon Joo Kim, Sung Ho Moon
Purpose: This study retrospectively evaluated the clinical outcomes and complications of proton beam therapy (PBT) in a single institution in Korea and quantitatively analyzed the change in tumor volume after PBT using magnetic resonance imaging (MRI). Materials and Methods: Twenty-four treatment-naïve patients who underwent PBT for choroidal melanoma between 2009 and 2015 were reviewed. Dose fractionation was 60-70 CGE over 5 fractions. Orbital MRIs were taken at baseline and 3, 6, and 12 months after PBT and annually thereafter...
April 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421722/second-primary-cancer-risk-among-kidney-cancer-patients-in-korea-a-population-based-cohort-study
#4
Jae Young Joung, Whi-An Kwon, Jiwon Lim, Chang-Mo Oh, Kyu-Won Jung, Sung Han Kim, Ho Kyung Seo, Weon Seo Park, Jinsoo Chung, Kang Hyun Lee, Young-Joo Won
Purpose: Secondary primary cancers (SPCs) commonly arise in patients with renal cell carcinoma (RCC). We designed the present study to estimate the SPC incidence in Korean patients with RCC. Materials and Methods: The study cohort was population-based and consisted of 40,347 individuals from the Korean Central Cancer Registry who were diagnosed with primary renal cancer between 1993 and 2013. Standardized incidence ratios (SIRs) for SPCs were estimated for different ages at diagnosis, latencies, diagnostic periods, and treatments...
April 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421726/selection-criteria-for-active-surveillance-of-patients-with-prostate-cancer-in-korea-a-multicenter-analysis-of-pathology-after-radical-prostatectomy
#5
Chang Wook Jeong, Sung Kyu Hong, Seok Soo Byun, Seong Soo Jeon, Seong Il Seo, Hyun Moo Lee, Hanjong Ahn, Dong Deuk Kwon, Hong Koo Ha, Tae Gyun Kwon, Jae Seung Chung, Cheol Kwak, Hyung Jin Kim
Purpose: Korean patients with prostate cancer (PC) typically present with a more aggressive disease than patients in Western populations. Consequently, it is unclear if the current criteria for active surveillance (AS) can safely be applied to Korean patients. Therefore, this study was conducted to define appropriate selection criteria for AS for patients with PC in Korea. Materials and Methods: We conducted a multicenter retrospective study of 2126 patients with low risk PC who actually underwent radical prostatectomy...
April 14, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421725/no-association-of-positive-superficial-and-or-deep-margins-with-local-recurrence-in-invasive-breast-cancer-treated-with-breast-conserving-surgery
#6
Tae In Yoon, Jong Won Lee, Sae Byul Lee, Guiyun Sohn, Jisun Kim, Il Young Chung, Hee Jeong Kim, Beom Seok Ko, Byung Ho Son, Gyungyub Gong, Sung-Bae Kim, Su Ssan Kim, Seung Do Ahn, Minsung Chung, Sei Hyun Ahn
Purpose: We evaluated the effect of positive superficial and/or deep margin status on local recurrence (LR) in invasive breast cancer treated with breast-conserving surgery (BCS) followed by radiotherapy. Materials and Methods: In total, 3403 stage 1 and 2 invasive breast cancer patients treated with BCS followed by radiotherapy from January 2000 to December 2008 were included in this study. These patients were divided into 3 groups according to margin status: clear resection margin status for all sections (group 1, n = 3195); positive margin status in superficial and/or deep sections (group 2, n = 121); and positive peripheral parenchymal margin regardless of superficial and/or deep margin involvement (group 3, n = 87)...
April 14, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28392550/comparison-of-ion-personal-genome-machine-platforms-for-the-detection-of-variants-in-brca1-and-brca2
#7
Sang Mee Hwang, Ki Chan Lee, Min Seob Lee, Kyoung Un Park
Purpose: Transition to next generation sequencing (NGS) for BRCA1/BRCA2 analysis in clinical laboratories is ongoing but different platforms and/or data analysis pipelines give different results resulting in difficulties in implementation. We have evaluated the Ion Personal Genome Machine (PGM) Platforms (Ion PGM, Ion PGM Dx, Thermo Fisher Scientific) for the analysis of BRCA1/2. Materials and Methods: The results of Ion PGM with OTG-snpcaller, a pipeline based on Torrent mapping alignment program and Genome Analysis Toolkit, from 75 clinical samples and 14 reference DNA samples were compared with Sanger sequencing for BRCA1/BRCA2...
April 7, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28392549/korean-cancer-patients-awareness-of-clinical-trials-perceptions-on-the-benefit-and-willingness-to-participate
#8
Yoojoo Lim, Jee Min Lim, Won Jae Jeong, Kyung-Hun Lee, Bhumsuk Keam, Tae-Yong Kim, Tae Min Kim, Sae-Won Han, Do Youn Oh, Dong-Wan Kim, Tae-You Kim, Dae Seog Heo, Yung-Jue Bang, Seock-Ah Im
Purpose: To assess current levels of awareness of clinical trials (CTs), perceptions regarding their benefits and willingness to participate to CTs among Korean cancer patients. Materials and Methods: From December 2012 to August 2015, we distributed questionnaires to cancer patients receiving systemic anti-cancer therapy at Seoul National University Hospital, Seoul, Korea. Results: A total of 397 out of 520 requested patients (76.3%) responded to the survey...
April 7, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28392551/the-prognostic-value-of-treatment-related-lymphopenia-in-nasopharyngeal-carcinoma-patients
#9
Li-Ting Liu, Qiu-Yan Chen, Lin-Quan Tang, Shan-Shan Guo, Ling Guo, Hao-Yuan Mo, Ming-Yuan Chen, Chong Zhao, Xiang Guo, Chao-Nan Qian, Mu-Sheng Zeng, Jin-Xin Bei, Jing Tan, Shuai Chen, Ming-Huang Hong, Jian-Yong Shao, Ying Sun, Jun Ma, Hai-Qiang Mai
Purpose: This study was conducted to evaluate the prognostic value of treatment-related lymphopenia in patients with nasopharyngeal carcinoma (NPC). Materials and Methods: A total of 413 consecutive Stage II-IVb NPC patients treated with concurrent chemoradiotherapy (CCRT) were enrolled. The overall survival (OS), progression-free survival (PFS) and distant metastasis-free survival (DMFS) were calculated with the Kaplan-Meier method, and differences were compared using the log-rank test...
April 5, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28361524/validation-of-the-korean-version-of-the-quality-of-life-cancer-survivors-qol-cs-k-questionnaire-in-lymphoma-survivors
#10
Juhee Cho, Danbee Kang, Im Ryung Kim, Won Seog Kim, Betty Ferrell, Seok Jin Kim
Purpose: The objective of this study was to validate the Korean version of the Quality of Life-Cancer Survivors (QOL-CS-K) in a sample of lymphoma survivors. Materials and Methods: We conducted a cross-sectional survey of lymphoma survivors who had survived for at least 24 months since diagnosis. Participants were recruited at the outpatient clinics and at a hospital event in a tertiary hospital in Seoul, Korea. Survivors were asked to complete the QOL-CS-K and the EORTC-QLQ C30 questionnaires...
March 30, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28361523/nationwide-statistical-analysis-of-lymphoid-malignancies-in-korea
#11
Hyewon Lee, Hyeon Jin Park, Eun-Hye Park, Hee Young Ju, Chang-Mo Oh, Hyun-Joo Kong, Kyu-Won Jun, Byung-Kiu Park, Eunyoung Lee, Hyeon-Seok Eom, Young-Joo Won
Purpose: Regional differences in the incidence of lymphoid malignancies have been reported worldwide, but there has been no large-scale epidemiologic analysis in Korea. The aim of this study was to provide a nationwide population-based statistical analysis of Korean patients with lymphoid malignancies. Materials and Methods: The Korea Central Cancer Registry analyzed the incidence and survival of patients with lymphoid malignancies from the Korean National Cancer Incidence Database...
March 30, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28361522/strategic-distributional-cost-effectiveness-analysis-for-improving-national-cancer-screening-uptake-in-cervical-cancer-a-focus-on-regional-inequality-in-south-korea
#12
Tae-Hoon Lee, Woorim Kim, Jaeyong Shin, Eun-Cheol Park, Sohee Park, Tae Hyun Kim
Purpose: To conduct a cost effectiveness analysis of strategies designed to improve national cervical cancer screening rates, along with a distributional cost effectiveness analysis that considers regional disparities. Materials and Methods: Cost effectiveness analysis was conducted using a Markov cohort simulation model, with Quality Adjusted Life Years as the unit of effectiveness. The strategies considered were a) current: biennial Papanicolaou smear cytology of females aged 20 or above, b) strong screening recommendation by mail to target regions, (effect: 12% increase in screening uptake, cost: 1000 Korean Won per person) c) regular universal screening recommendation by mail, (effect: 6% increase in screening uptake, cost: 500 Korean Won per person) and d) strong universal screening recommendation by mail (effect: 12% increase in screening uptake, cost: 1000 Korean Won per person)...
March 30, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28361521/gemcitabine-and-docetaxel-combination-for-advanced-soft-tissue-sarcoma-a-nationwide-retrospective-study
#13
Yunjung Choi, Mi Sun Yun, Sang Hee Lim, Jeeyun Lee, Jin-Hee Ahn, Yu Jung Kim, Kyong Hwa Park, Young Suk Park, Ho Yeong Lim, Hyonggin An, Dong-Churl Suh, Yeul Hong Kim
Purpose: This nationwide retrospective study was conducted to evaluate the efficacy and safety of combined gemcitabine and docetaxel (GD) as an off-label therapy for advanced soft tissue sarcoma, which has limited treatment options owing to its rare occurrence. Materials and Methods: A total of 228 patients received GD therapy for advanced soft tissue sarcoma from 2009 to 2014 in Korea. We retrospectively reviewed the clinical medical records and claims data of these patients...
March 30, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28343376/ruthenium-106-brachytherapy-with-or-without-additional-local-therapy-showed-favorable-outcome-for-variable-sized-choroidal-melanomas-in-korean-patients
#14
Yeona Cho, Jee Suk Chang, Jin Sook Yoon, Sung Chul Lee, Yong Bae Kim, Joo Ho Kim, Ki Chang Keum
Purpose: To report clinical outcomes of ruthenium-106 (Ru-106) brachytherapy with or without additional local therapy for choroidal melanomas in Korean patients. Materials and Methods: A total of 88 patients diagnosed with choroidal melanomas were treated with Ru-106 brachytherapy between 2006 and 2012. Patients were divided into two groups according to their tumor height: a large group (≥6 mm, n=50) and a small group (<6 mm, n=38). Most patients in the large group received combined therapy with local excision and/or transpupillary thermotherapy...
March 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28343375/foxo1-suppression-is-a-determinant-of-acquired-lapatinib-resistance-in-her2-positive-gastric-cancer-cells-through-met-upregulation
#15
Jinju Park, Yiseul Choi, Young San Ko, Younghoon Kim, Jung-Soo Pyo, Bo Gun Jang, Min A Kim, Jae-Seon Lee, Mee Soo Chang, Jong-Wan Park, Byung Lan Lee
Purpose: Lapatinib is a candidate drug for treatment of trastuzumab-resistant, HER2-positive gastric cancer (GC). Unfortunately, lapatinib resistance renders this drug ineffective. The present study investigated the implication of forkhead box protein O1 (FOXO1) signaling in the acquired lapatinib resistance in HER2-positive GC cells. Materials and Methods: Lapatinib-resistant GC cell lines (SNU-216 LR2-8) were generated in vitro by chronic exposure of lapatinib-sensitive, HER2-positive SNU-216 cells to lapatinib...
March 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324923/topotecan-vincristine-doxorubicin-in-stage-4-high-risk-neuroblastoma-patients-failing-to-achieve-a-complete-metastatic-response-to-rapid-cojec-a-siopen-study
#16
Loredana Amoroso, Giovanni Erminio, Guy Makin, Andrew Dj Pearson, Penelope Brock, Dominique Valteau-Couanet, Victoria Castel, Marlène Pasquet, Genevieve Laureys, Caroline Thomas, Roberto Luksch, Ruth Ladenstein, Riccardo Haupt, Alberto Garaventa
Purpose: Metastatic response to induction therapy for high-risk neuroblastoma is a prognostic factor. In the International Society of Paediatric Oncology Europe Neuroblastoma (SIOPEN) HR-NBL-1 protocol, only patients with metastatic complete response (CR) or partial response (PR) with ≤3 abnormal skeletal areas on 123iodine-metaiodobenzylguanidine ([123I]mIBG) scintigraphy and no bone marrow disease proceed to high dose therapy (HDT). In this study, topotecan-vincristine-doxorubicin (TVD) was evaluated in patients failing to achieve these criteria, with the aim of improving the metastatic response rate...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324922/the-clinical-significance-of-occult-gastrointestinal-primary-tumours-in-metastatic-cancer-a-population-retrospective-cohort-study
#17
Malek B Hannouf, Eric Winquist, Salaheddin M Mahmud, Muriel Brackstone, Sisira Sarma, George Rodrigues, Peter K Rogan, Jeffrey S Hoch, Gregory S Zaric
Purpose: To estimate the incidence of occult gastrointestinal (GI) primary tumours in patients with metastatic cancer of uncertain primary origin and evaluate their influence on treatments and overall survival (OS). Materials and Methods: We used population heath data from Manitoba, Canada to identify all patients initially diagnosed with metastatic cancer between 2002 and 2011. We defined patients to have "occult" primary tumour if the primary was found at least 6 months after initial diagnosis...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324921/epidemiology-of-intracranial-metastases-in-korea-a-national-cohort-investigation
#18
Tackeun Kim, Changhoon Song, Jung Ho Han, In-Ah Kim, Yu Jung Kim, Se Hyun Kim, Jee Hyun Kim, Chae-Yong Kim
Purpose: To investigate the epidemiologic features of intracranial metastases (ICMET) in Korea, we performed a cohort study using the National Health Insurance Service-National Sample Cohort database, which comprised healthcare usage information of approximately 1 million Korean individuals over 12 years. Materials and Methods: We enrolled 998,602 subjects, after excluding 18,218 subjects diagnosed with any cancer during the washout period (2002-2004). The observation period was 9 years (2005-2013; 8,725,438 person-years)...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28324920/an-open-label-randomized-parallel-phase-ii-trial-to-evaluate-the-efficacy-and-safety-of-a-cremophor-free-polymeric-micelle-formulation-of-paclitaxel-as-first-line-treatment-for-ovarian-cancer-a-korean-gynecologic-oncology-group-study-kgog-3021
#19
Shin-Wha Lee, Yong-Man Kim, Chi Heum Cho, Young Tae Kim, Seok Mo Kim, Soo Young Hur, Jae-Hoon Kim, Byoung-Gie Kim, Seung-Cheol Kim, Hee-Sug Ryu, Soon Beom Kang
Purpose: Genexol-PM is a biodegradable cremophor EL-free polymeric micelle formulation of paclitaxel. Here we compared efficacy and safety of Genexol-PM plus carboplatin vs. Genexol plus carboplatin for ovarian cancer treatment. Materials and Methods: In this multicenter, randomized, phase II study, patients with FIGO IC-IV epithelial ovarian cancer were randomly assigned (1:1) to receive Genexol-PM 260 mg/m2 or Genexol 175 mg/m2 with 5 AUC carboplatin every three weeks (6 cycles)...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28301926/prediction-of-cancer-incidence-and-mortality-in-korea-2017
#20
Kyu-Won Jung, Young-Joo Won, Chang-Mo Oh, Hyun-Joo Kong, Duk Hyoung Lee, Kang Hyun Lee
Purpose: This study aimed to report on cancer incidence and mortality for the year 2017 in Korea in order to estimate the nation's current cancer burden. Materials and Methods: Cancer incidence data from 1999 to 2014 were obtained from the Korea National Cancer Incidence Database, and cancer mortality data from 1993 to 2015 were acquired from Statistics Korea. Cancer incidence and mortality were projected by fitting a linear regression model to observe age-specific cancer rates against observed years, and then multiplying the projected age-specific rates by the age-specific population...
March 17, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
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