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Song T, Miljanic M, Yen A, Kwon J, Christie A, Garant A, Aguilera TA, Brugarolas J, Timmerman RD, Hannan R. Stereotactic Ablative Radiotherapy for the Treatment of Glandular Metastases from Renal Cell Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e439. [PMID: 37785425 DOI: 10.1016/j.ijrobp.2023.06.1614] [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] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Glandular metastases including pancreatic and adrenal sites of disease are associated with renal cell carcinoma (RCC) of indolent biology. Adrenal and pancreatic metastases may develop in isolation or involve other organs and are associated with prolonged survival. Glandular metastases can be treated with systemic therapy, stereotactic ablative radiotherapy (SAbR) or surgical resection and the optimal management of these patients is unknown. There is paucity of data on SAbR for RCC glandular metastases. We hypothesize that ablative doses of radiation therapy utilizing SAbR are associated with high rates of local control greater than 90%, with minimal or no acute grade 3 toxicities or higher with this approach. Here, we report local control (LC), progression-free survival (PFS), overall survival (OS) rates as well as toxicities related to SAbR for RCC metastases to the pancreatic and adrenal glands. MATERIALS/METHODS This IRB-approved, single-institution, retrospective study included patients with RCC metastases to the adrenal glands and pancreas treated with SAbR. Data on patient demographics, functional status, tumor characteristics, International Metastatic RCC Database Consortium (IMDC) risk category, local and systemic treatments, toxicities, and outcomes were collected and analyzed. RECIST 1.1 principals were utilized to determine LC rates and PFS. PFS was determined from the initiation of SAbR to progression (at SAbR-treated or other sites), or death. OS was defined from the start of SAbR to death. Two independent reviewers assessed these measures and analyzed patient electronic health records for toxicities using CTCAE v5 and relatedness scores. RESULTS A total of 50 RCC patients were included in this study with 36 adrenal and 20 pancreatic metastases treated with SAbR. Median dose fractionation used was 40 Gray delivered in 5 fractions. Sixteen patients (32%) were treatment naïve with oligometastatic disease, and thirty-four (68%) were oligo-progressive on systemic therapy with 1-3 prior lines of systemic therapy. For treated adrenal metastatic lesions at 1 year, patients demonstrated a 75.3% OS, 46.7% PFS, and LC of 93.3%. For treated pancreatic metastatic lesions at 1 year, patients demonstrated a 100% OS, 48.6% PFS, and LC of 100%. At 1 year, there was an OS of 82.2%, PFS of 48.2%, and LC of 95.9 % in the combined cohort. The percentage of patients experiencing an acute grade 2 or 3 toxicity attributed to adrenal or pancreatic gland SAbR was 7.4%. There were no acute grade >3 toxicities. The percentage of patients experiencing a late grade 2 or 3 toxicity was 9.3%. Median time to late adverse events was 37.4 months. CONCLUSION SAbR of RCC metastases to the pancreas and adrenal glands is feasible, safe and appears to be effective. Median PFS and OS in this cohort compared favorably to those reported in historical cohorts and is consistent with indolent disease.
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Affiliation(s)
- T Song
- University of Texas Southwestern Medical Center, Dallas, TX
| | - M Miljanic
- University of Texas Southwestern Medical Center, Dallas, TX
| | - A Yen
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX
| | - J Kwon
- University of Texas, Southwestern Medical Center, Dallas, TX
| | - A Christie
- University of Texas Southwestern Medical Center, Dallas, TX
| | - A Garant
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX
| | - T A Aguilera
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX
| | - J Brugarolas
- University of Texas Southwestern Medical Center, Dallas, TX
| | - R D Timmerman
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX
| | - R Hannan
- University of Texas Southwestern Medical Center, Dallas, TX
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Kim A, Kwon J, Cho MJ, Kim JS, Kim S. The Number of Positive Lymph Nodes as Prognostic Factor in ypN1 Breast Cancer with Neoadjuvant Chemotherapy. Int J Radiat Oncol Biol Phys 2023; 117:e185-e186. [PMID: 37784813 DOI: 10.1016/j.ijrobp.2023.06.1043] [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] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) This study aimed to assess the ability of the number of positive lymph nodes (LNP) after neoadjuvant chemotherapy (NAC) to stratify prognosis even within the same ypN stage in breast cancer patients. MATERIALS/METHODS A 6,443 non-metastatic breast cancer patients with ypN1 disease after NAC following primary surgery were identified using the stage, stage evaluation field, treatment fields from Surveillance Epidemiology and End Results (SEER) database. Survival analysis was performed for overall survival (OS) using Kaplan-Meier plot and Cox proportional hazard models. RESULTS Of patients, 1,132(17.6%) had 3 positive lymph nodes (LNP3), 4,363 (67.7%) patients were T1/2 stage and 538 (8.35%) patients were downstage after treatment. LNP3 group had a significantly worse OS than LNP1/2 group (5yr OS, 74.2% vs. 80.9%, p <0.001). Similar results were observed in cause specific survival analysis (5yr OS, 79.8% vs. 85.2%, p <0.001). In subgroup analysis, there was a significant difference in OS between LNP1/2 and LNP3 group for HER2 or triple negative subtype, (p <0.001), T1/2 stage (p <0.001) and stable/downstage of N stage (p <0.001 and 0.019, respectively), but not for luminal A/B subtype and T3/4 (p = 0.126, 0.629 and 0.154, respectively). Regarding the number of examined lymph node (LNE), OS was significantly decreased in patients with LNE ≤5 in LNP3 group (p <0.001) but not in LNP1/2 group. In multivariable analysis, the prognostic significance of LNP3 remained (p <0.001) and the following factors were significantly related to the prolonged OS; Luminal A/B (p<0.001 and 0.001, respectively), T1/2 stage (p <0.001), N1 stage (p <0.001), LNE (≤5 vs. >5, p = 0.001) and receipt of radiotherapy (p = 0.012). Even when PS matching was performed, the OS of LNP was worse than that of LNP1/2. CONCLUSION LNP could more stratify the patients with ypN1 breast cancer after NAC. LNP3 is significantly associated with OS even after adjusting for other prognosticators. In particular, since there is a potential difference in the magnitude of the impact of LNP3 according to LNE, it is necessary to consider both of them together for decision-making.
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Affiliation(s)
- A Kim
- Department of Radiation Oncology, Chungnam National University Hospital, Daejeon, Korea, Republic of (South) Korea
| | - J Kwon
- Department of Radiation Oncology, Chungnam National University Hospital, Daejeon, Korea, Republic of (South) Korea; Department of Radiation Oncology, Chungnam National University College of Medicine, Daejeon, Korea, Republic of (South) Korea
| | - M J Cho
- Department of Radiation Oncology, Chungnam National University Hospital, Daejeon, Korea, Republic of (South) Korea; Department of Radiation Oncology, Chungnam National University College of Medicine, Daejeon, Korea, Republic of (South) Korea
| | - J S Kim
- Department of Radiation Oncology, Chungnam National University Hospital, Daejeon, Korea, Republic of (South) Korea; Department of Radiation Oncology, Chungnam National University College of Medicine, Daejeon, Korea, Republic of (South) Korea
| | - S Kim
- Department of Radiation Oncology, Chungnam National University Hospital, Daejeon, Korea, Republic of (South) Korea; Department of Radiation Oncology, Chungnam National University College of Medicine, Daejeon, Korea, Republic of (South) Korea
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Kwon J, Rochester J, Wan F, Rindfleisch MA, Tomsic MJ, Sumption MD, Collings EW. CRITICAL CURRENT DENSITIES AND N-VALUES OF MGB 2 CONDUCTORS FOR SMES, MRI, AND LOW AC LOSS APPLICATIONS. IEEE Trans Appl Supercond 2023; 33:6200204. [PMID: 37997585 PMCID: PMC10665032 DOI: 10.1109/tasc.2023.3247375] [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] [Indexed: 11/25/2023]
Abstract
Multifilamentary MgB 2 strands (filament numbers 36 to 114) prepared by the in-situ power-in-tube (PIT) route with carbon doping contents of 0, 2, and 3.2% were wound on barrels for transport J c and n -value measurement at 4.2 K in fields of up to 12 T. The strand and gauge lengths were 1 m and 0.5 m. Heat treatments at 675 °C and 650 °C centered around the melting point of Mg (650 °C) and both utilized the liquid-solid reaction. A pair of strands, with and without 2% C doping exhibited the J c (B) crossover effect. Studied were the dependencies of J c on field strength, dopant concentration, and cabling and the dependence of n -value on field strength.
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Affiliation(s)
- J Kwon
- Center for Superconducting and Magnetic Materials, The Ohio State University, Columbus, OH 43210
| | - J Rochester
- Center for Superconducting and Magnetic Materials, The Ohio State University, Columbus, OH 43210
| | - F Wan
- Center for Superconducting and Magnetic Materials, The Ohio State University, Columbus, OH 43210
- Now employed at Fermilab, Batavia, IL 60510
| | | | | | - M D Sumption
- Center for Superconducting and Magnetic Materials, The Ohio State University, Columbus, OH 43210
| | - E W Collings
- Center for Superconducting and Magnetic Materials, The Ohio State University, Columbus, OH 43210
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Kim M, Lee JH, Choi D, Kwon J. Is The Modified Nutrition Risk In The Critically Ill(mNUTRIC) Score A Useful Method For Screening Traumatic Icu Patients? Clin Nutr ESPEN 2023. [DOI: 10.1016/j.clnesp.2022.09.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Han K, Kim S, Liaw V, Kim M, Kwon J, Moon S, Kim G, Won J, Park J, Kim H. Abstract No. 145 Resorbable Gelatin Microspheres versus Tris-Acryl Microspheres: Randomized Controlled Trial Comparing Pain, Inflammatory Response and Embolic Effect after Uterine Artery Embolization for Symptomatic Fibroids. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
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Kwon J, Murphy E, Chan C, Afolaranmi S, Phyu S, Bryant R, Parkes E. Investigating the effects of homologous recombination deficiency on radiotherapy response in pre-clinical prostate cancer. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01189-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Kwon J, Kim B. PP065 Novel scoring system guiding the incorporation of adjuvant RT for incidental neuroendocrine neoplasms treated with surgical resection followed by chemotherapy. ESMO Open 2022. [DOI: 10.1016/j.esmoop.2022.100733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Jones PS, Yeh KW, Brosnan HK, Regos-Stewart D, Ngo C, Kwon J, Chang AH. Evaluation of the Homeless Management Information System for COVID-19 Surveillance Among People Experiencing Homelessness. J Infect Dis 2022; 226:S327-S334. [PMID: 36208169 DOI: 10.1093/infdis/jiac335] [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] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Variable and incomplete reporting of housing status creates challenges in the surveillance of coronavirus disease 2019 (COVID-19) among the homeless population in Los Angeles County (LA County) and nationwide. METHODS We developed standard investigation procedures to assess the housing status of LA County COVID-19 patients. Using data sharing procedures, we matched COVID-19 patients to Homeless Management Information System (HMIS) client profiles and supplemented with additional data sources for contributory data points and to further housing status ascertainment. RESULTS We identified 10 586 COVID-19 patients among people experiencing homelessness (PEH) between 30 March 2020 and 30 December 2021; 2801 (26.5%) patients were first identified from HMIS profile matches, 1877 (17.7%) from quarantine/isolation housing intake rosters, 573 (5.4%) from hospital records, 749 (7.1%) from case and contact interviews, 3659 (34.6%) directly from PEH medical and service providers, and 927 (8.8%) had unknown sources. Among COVID-19 patients matched to HMIS profiles, 5351 (42.5%) were confirmed to be PEH at the time of COVID-19 diagnosis. CONCLUSIONS Interoperability between public health data, HMIS, and external partners have been critical components in evaluating the impact of COVID-19 among the LA County homeless population. No one data source was complete for COVID-19 surveillance in this population.
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Affiliation(s)
- Padma S Jones
- Los Angeles County Department of Public Health, Los Angeles, California, USA
| | - Karen W Yeh
- Los Angeles County Department of Public Health, Los Angeles, California, USA
| | - Hannah K Brosnan
- Los Angeles County Department of Public Health, Los Angeles, California, USA
| | - Dalia Regos-Stewart
- Los Angeles County Department of Public Health, Los Angeles, California, USA
| | - Cathy Ngo
- Los Angeles County Department of Public Health, Los Angeles, California, USA
| | - Jennifer Kwon
- Los Angeles County Department of Public Health, Los Angeles, California, USA
| | - Alicia H Chang
- Los Angeles County Department of Public Health, Los Angeles, California, USA
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Lee JH, Kwon J, Lee MS, Cho Y, Oh IY, Park J, Jeon KH. Prediction of atrial fibrillation in patients with embolic stroke with undetermined source using electrocardiogram deep learning algorithm and clinical risk factors. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.558] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Combining the artificial intelligence algorithm with the known clinical risk factors may provide enhanced accuracy for prediction of the hidden atrial fibrillation (AF) in patients with embolic stroke with undetermined source (ESUS).
Purpose
We aimed to develop enhanced prediction models for AF with deep learning algorithm (DLA) and clinical predictors in patients with ESUS. The DLA was created to identify the patients with paroxysmal AF based on their electrocardiograms (ECG) during sinus rhythm.
Methods
We analyzed the 221 patients who underwent insertable cardiac monitor (ICM) for AF detection following ESUS. The DLA was previously developed with sinus rhythm ECGs of 10,605 paroxysmal AF patients and 50,522 non-AF patients. The convolutional neural network was used for the DLA. The primary endpoint was defined as any AF episode lasting over 5 min by ICM. The atrial ectopic burden (AEB) was calculated as the percentage of the number of conducted QRS by atrial ectopy on Holter monitoring.
Results
AF (≥5 min) was detected by ICM in 32 patients (14.5%) during follow-up period of 15.1±8.6 months. AF patients had higher AEB (0.199% vs 0.023%, p<0.001), larger left atrial diameters (LAD, 41.2 mm vs 35.7 mm, p<0.001), and larger left atrial volume index (LAVI, 46.4 ml/m2 vs 32.3 ml/m2, p<0.001) than those without AF. The means of calculated probabilities of AF by DLA were higher in patients with AF than those without AF (63.8% vs 40.2%, p<0.001). In the receiver operating characteristic curve analysis, the areas under the curve (AUC) were the highest in DLA (0.824) followed by AEB (0.784), LAVI (0.780), and LAD (0.768). The multivariable model with AEB, LAVI, and DLA demonstrated excellent prediction accuracy for paroxysmal AF (AUC: 0.902, Figure 1)
Conclusions
In patients with ESUS, the DLA outperformed other clinical risk factors for prediction of AF. Combining DLA with AEB, LAD and LAVI could is a potential useful tool to predict AF in ESUS patients.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- J H Lee
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| | - J Kwon
- Medical AI Inc, Medical research team , California , United States of America
| | - M S Lee
- Medical AI Inc, Medical research team , California , United States of America
| | - Y Cho
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| | - I Y Oh
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
| | - J Park
- Mediplex Sejong Hospital, Critical Care and Emergency Medicine , Incheon , Korea (Republic of)
| | - K H Jeon
- Seoul National University Bundang Hospital , Seongnam , Korea (Republic of)
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Kim J, Kim K, Jung W, Shin K, Im S, Kim H, Kim Y, Chang J, Kim J, Choi D, Park Y, Kim D, Kim T, Choi B, Lee S, Kim S, Kwon J, Kang K, Chung W, Kim K, Nam J, Yoon W, Cha J, Oh Y, Kim I. PO-1219 Pattern of care for brain metastasis from breast cancer over the past 10 years in Korea. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03183-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kilic A, Kwon J, Grady K, Singletary B, Kilic A, Everitt M, Cleveland J, Cantor R, Blackmon S, Breathett K, McKellar S, Keebler M, Kirklin J, Stehlik J. Impact of Adverse Events on Health-Related Quality of Life After Left Ventricular Assist Device Implantation - An STS INTERMACS Analysis. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Ogilvie AR, Watford M, Wu G, Sukumar D, Kwon J, Shapses SA. Decreased fasting serum glucogenic amino acids with a higher compared to normal protein diet during energy restriction in women: a randomized controlled trial. Amino Acids 2021; 53:1467-1472. [PMID: 34338883 DOI: 10.1007/s00726-021-03053-0] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/20/2021] [Indexed: 11/25/2022]
Abstract
Dietary protein alters circulating amino acid (AAs) levels and higher protein intake (HP) is one means of losing weight. We examined 34 overweight and obese women (57 ± 4 years) during 6 months of energy restriction (7.3 ± 3.8% weight loss) divided into groups consuming either normal protein (NP; 18.6 energy% protein) or HP (24.3 energy% protein). There was a reduction in fasting serum glucogenic AAs (p = 0.015) that also associated with greater weight loss (p < 0.05) in the HP group, but not in the NP group. These findings have implications for nutrient prioritization during energy restriction.
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Affiliation(s)
- A R Ogilvie
- Department of Nutritional Sciences, Rutgers University and NJ-Institute of Food Health and Nutrition, New Brunswick, NJ, USA
| | - M Watford
- Department of Nutritional Sciences, Rutgers University and NJ-Institute of Food Health and Nutrition, New Brunswick, NJ, USA
| | - G Wu
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | - D Sukumar
- Department of Nutrition Sciences, Drexel University, Philadelphia, PA, USA
| | - J Kwon
- Department of Nutritional Sciences, Rutgers University and NJ-Institute of Food Health and Nutrition, New Brunswick, NJ, USA
| | - S A Shapses
- Department of Nutritional Sciences, Rutgers University and NJ-Institute of Food Health and Nutrition, New Brunswick, NJ, USA.
- Department of Medicine, Rutgers-RWJ Medical School, New Brunswick, NJ, USA.
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Kim B, Bae H, Kwon J, Han H, Kim H. PO-1911 Low-dose irradiation could mitigate osteoarthritis progression by modulating mitochondrial function. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)08362-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kim J, Kim K, Jung W, Shin K, Im S, Kim H, Kim Y, Chang J, Kim J, Choi D, Park Y, Kim D, Kim T, Choi B, Lee S, Kim S, Kwon J, Kang K, Chung W, Kim K, Yoon W, Cha J, Oh Y, Kim I. PO-1063 Multicenter study for breast cancer brain metastasis: Role of whole-brain radiotherapy (KROG 1612). Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07514-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kim B, Kim S, Kim J, Kim Y, Chang J, Hwang K, Cho M, Kwon J. Development of An Individualized Prediction Calculator for the Benefit of Postoperative Radiotherapy in Patients with Surgically Resected De Novo Stage IV Breast Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kim J, Kim K, Jung W, Shin K, Im S, Kim H, Kim Y, Chang J, Kim J, Choi D, Park Y, Kim D, Kim T, Choi B, Lee S, Kim S, Kwon J, Kang K, Chung W, Kim K, Yoon W, Kim J, Cha J, Oh Y, Kim I. Survival Outcome For Breast Cancer Patients With Brain Metastasis: A Multicenter Retrospective Study In Korea (KROG 16-12). Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Abstract
High quality Ge doping of GaN is demonstrated using primarily thermal neutrons for the first time. In this study, GaN was doped with Ge to concentrations from 1016 Ge atoms/cm3 to 1018 Ge atoms/cm3. The doping concentrations were measured using gamma-ray spectroscopy and confirmed using SIMS analysis. The data from SIMS analysis also show consistent Ge doping concentration throughout the depth of the GaN wafers. After irradiation, the GaN was annealed in a nitrogen environment at 950 °C for 30 min. The neutron doping process turns out to produce spatially uniform doping throughout the whole volume of the GaN substrate.
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Affiliation(s)
- R Barber
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, 65201, USA
| | - Q Nguyen
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, 65201, USA
| | - J Brockman
- University of Missouri Research Reactor, University of Missouri, Columbia, MO, 65201, USA
| | - J Gahl
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, 65201, USA.,University of Missouri Research Reactor, University of Missouri, Columbia, MO, 65201, USA
| | - J Kwon
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO, 65201, USA.
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Strauss K, Farrar M, Swoboda K, Saito K, Chiriboga C, Finkel R, Iannaccone S, Krueger J, Kwon J, McMillan H, Servais L, Mendell J, Parsons J, Scoto M, Shieh P, Zaidman C, Schultz M, Ogrinc F, Group S, Muntoni F. SMA – THERAPY. Neuromuscul Disord 2020. [DOI: 10.1016/j.nmd.2020.08.259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kim KE, Kim EJ, Park J, Kim SW, Kwon J, Moon G. Humeral shaft fracture and radial nerve palsy in Korean soldiers: focus on arm wrestling related injury. BMJ Mil Health 2020; 167:80-83. [PMID: 32276967 DOI: 10.1136/bmjmilitary-2019-001373] [Citation(s) in RCA: 3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 03/27/2020] [Accepted: 03/28/2020] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Humeral shaft fractures can lead to radial nerve injury and may require surgery and rehabilitation. We determined the causative events of humeral fracture, including arm wrestling, in young Korean soldiers and examined whether humeral fracture is related to demographic characteristics and the presence of radial nerve palsy. METHODS We reviewed 7.5 years (July 2012 to June 2019) of medical records covering patients who had experienced a humeral shaft fracture after entering military service and had received surgery for open reduction and internal fixation. Data were obtained on basic demographics, initial event provoking the fracture, presence of radial nerve palsy, initial and follow-up severity of the weakness, and any discharge from military service because of prolonged radial nerve palsy. RESULTS Of 123 cases, arm wrestling was the leading cause (52.8%). A high energy injury, such as falling from a height (11.4%), and sports related slips (10.6%) were other causes. All humeral shaft fractures caused by forceful contraction were spiral, while 40% of the fractures caused by external force related events were of a transverse type. The percentage of left-sided fractures was significantly higher for fractures arising from an external force than in those caused by forceful contraction related events. Radial nerve palsy was found in 34 patients (27.6%), and 16 were discharged from the military because of prolonged radial nerve palsy 6 months after the fracture. The causative events and other factors did not affect the presence of radial nerve palsy. CONCLUSION Arm wrestling was the leading cause of humeral fracture in young Korean soldiers but the chance of developing comorbid radial nerve palsy did not differ from that of other causes. These epidemiologic findings in this young active group may help in understanding the causes of humeral shaft fracture in soldiers and in the wider young population.
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Affiliation(s)
- Kyoung-Eun Kim
- Department of Rehabilitation Medicine, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - E-J Kim
- Department of Rehabilitation Medicine, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - J Park
- Department of Rehabilitation Medicine, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - S W Kim
- Department of Rehabilitation Medicine, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - J Kwon
- Department of Rehabilitation Medicine, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - G Moon
- Department of Orthopaedic Surgery, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea
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Veerapandiyan A, Eichinger K, Guntrum D, Kwon J, Baker L, Collins E, Ciafaloni E. Nusinersen for older patients with spinal muscular atrophy: A real-world clinical setting experience. Muscle Nerve 2019; 61:222-226. [PMID: 31773738 DOI: 10.1002/mus.26769] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/21/2019] [Accepted: 11/23/2019] [Indexed: 01/14/2023]
Abstract
INTRODUCTION Clinical trials data concerning use of nusinersen in older spinal muscular atrophy (SMA) patients is lacking. We describe our center's experience in using intrathecal nusinersen for older patients in the clinical setting. METHODS Retrospective study. RESULTS Twelve patients (12-52 years old) were treated with nusinersen. Mean follow-up duration was 17.4 months (range, 4-26 months). All patients had scoliosis; 10 had spinal fusion/instrumentation. All procedures (30 cervical and 57 lumbar punctures) were technically successful. The only side effects were postprocedural headache (9%) and site pain (5.7%). Functional assessments showed stability in 6/9 patients and improvement in 3/9 patients. Subjective improvements in endurance, hand strength, and bulbar functioning critical for activities of daily living were reported in 8/12 patients. None of the patients has discontinued treatment so far. DISCUSSION Intrathecal nusinersen can be safely delivered in older SMA patients. Available functional outcome measures are not adequate to capture meaningful subjective improvements.
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Affiliation(s)
- Aravindhan Veerapandiyan
- Department of Pediatrics, Division of Neurology, Arkansas Children's Hospital, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Katy Eichinger
- Department of Neurology, Division of Neuromuscular Medicine, University of Rochester Medical Center, Rochester, New York
| | - Debra Guntrum
- Department of Neurology, Division of Neuromuscular Medicine, University of Rochester Medical Center, Rochester, New York
| | - Jennifer Kwon
- Department of Neurology, Division of Pediatric Neurology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Lindsay Baker
- Department of Neurology, Division of Neuromuscular Medicine, University of Rochester Medical Center, Rochester, New York
| | - Erin Collins
- Department of Neurology, Division of Neuromuscular Medicine, University of Rochester Medical Center, Rochester, New York
| | - Emma Ciafaloni
- Department of Neurology, Division of Neuromuscular Medicine, University of Rochester Medical Center, Rochester, New York
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Kwon J, Jun SW, Choi SI, Mao X, Kim J, Koh EK, Kim YH, Kim SK, Hwang DY, Kim CS, Lee J. FeSe quantum dots for in vivo multiphoton biomedical imaging. Sci Adv 2019; 5:eaay0044. [PMID: 31840070 PMCID: PMC6897543 DOI: 10.1126/sciadv.aay0044] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 09/20/2019] [Indexed: 06/02/2023]
Abstract
An immense demand in biomedical imaging is to develop efficient photoluminescent probes with high biocompatibility and quantum yield, as well as multiphoton absorption performance to improve penetration depth and spatial resolution. Here, iron selenide (FeSe) quantum dots (QDs) are reported to meet these criteria. The synthesized QDs exhibit two- and three-photon excitation property at 800- and 1080-nm wavelengths and high quantum yield (ca. 40%), which are suitable for second-window imaging. To verify their biosuitability, poly(ethylene glycol)-conjugated QDs were linked with human epidermal growth factor receptor 2 (HER2) antibodies for in vitro/in vivo two-photon imaging in HER2-overexpressed MCF7 cells and a xenograft breast tumor model in mice. Imaging was successfully carried out at a depth of up to 500 μm from the skin using a nonlinear femtosecond laser at an excitation wavelength of 800 nm. These findings may open up a way to apply biocompatible FeSe QDs to multiphoton cancer imaging.
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Affiliation(s)
- J. Kwon
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46240, Republic of Korea
| | - S. W. Jun
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46240, Republic of Korea
| | - S. I. Choi
- Division of Convergence Technology, National Cancer Center, Goyang 10408, Republic of Korea
| | - X. Mao
- College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - J. Kim
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
| | - E. K. Koh
- Department of Biomaterial Science, Pusan National University, Miryang 50463, Republic of Korea
| | - Y.-H. Kim
- Division of Convergence Technology, National Cancer Center, Goyang 10408, Republic of Korea
| | - S.-K. Kim
- Division of Convergence Technology, National Cancer Center, Goyang 10408, Republic of Korea
| | - D. Y. Hwang
- Department of Biomaterial Science, Pusan National University, Miryang 50463, Republic of Korea
| | - C.-S. Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46240, Republic of Korea
| | - J. Lee
- Department of Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
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Oh E, Kwon J, Park J, Min J, Lee J. P4580The effect of anesthetic techniques on cardiac troponin-T after non-cardiac surgery. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0968] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
The effects of anesthetics on cardiac protection and clinical outcomes have shown conflicting results in patients undergoing non-cardiac surgery. Unlike cardiac surgeries in which cardio-protective effects of anesthetic techniques have been reported, it lacks evidence and reproducibility in non-cardiac surgery. A current generation high-sensitivity cardiac troponin (hs-cTnI) is known to detect perioperative myocardial injury in non-cardiac surgery which is closely related to clinical outcomes. In this study, we hypothesized that balanced anesthesia using both remifentanil and volatile agents is the most effective in reducing postoperative myocardial injury, and compared the incidence of postoperative myocardial injury among different types of general anesthesia.
Methods
We analyzed the data of 3555 patients who underwent general anesthesia for non-cardiac surgery in our hospital between February 2010 and December 2016. In all patients, hs-cTnI was detected in preoperative period and postoperative period within 48 hours. Major exclusion criteria was troponin elevation before surgery. Patients were stratified into three groups; 661 patients who were received propofol-remifentanil total intravenous anesthesia (TIVA group), 1279 patients who were received volatile anesthesia without remifentanil (Volatile group) and 1622 patients who were received volatile anesthesia with remifentanil (Balanced group). The Primary outcome was troponin elevation [hs-cTnI≥0.04 ng/mL] within post-operative within 48 hours, and the incidence of postoperative complications such as postoperative acute kidney injury, new-onset atrial fibrillation and in-hospital mortality were also compared.
Results
The occurrence of myocaridial injury were significant difference between three groups. The occurrence of myocardial injury was significantly lower in the Balanced group than in Volatile group after adjustment (Odds ratio (OR) = 0.727; 95% confidence interval (CI) = 0.59–0.89; P-value = 0.002). Balanced group and TIVA group showed comparable results in risk of postoperative troponin elevation after adjustment (OR 1.131; 95% CI 0.96–1.33; P-value = 0.133). The incidence of troponin elevation was significantly higher in Volatile group than TIVA group after adjustment (OR 1.6; 95% CI 0.52–0.96; P-value = 0.005). The incidence of AKI was significantly lower in Balanced group than Volatile group after adjustment (OR 0.637; 95% CI 0.49–0.81; P-value <0.001).
Conclusion
The remifentanil combination during general anesthesia may be associated with myocardial protection effect in patients undergoing non-cardiac surgery. Whether this impact leads to adverse long-term outcome remains unclear, and requires further investigation.
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Affiliation(s)
- E Oh
- Samsung Medical Center, Seoul, Korea (Republic of)
| | - J Kwon
- Samsung Medical Center, Seoul, Korea (Republic of)
| | - J Park
- Samsung Medical Center, Seoul, Korea (Republic of)
| | - J Min
- Samsung Medical Center, Seoul, Korea (Republic of)
| | - J Lee
- Samsung Medical Center, Seoul, Korea (Republic of)
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Han K, Jo J, Rhee J, Kwon J, HAN S. SAT-335 Pemetrexed as a renal-friendly anticancer agent in lung cancer with renal failure. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Jeong S, Kim S, Hong J, Park Y, Kang H, Koh Y, Lee G, Lee W, Yang D, Do Y, Kim M, Yoo K, Yun W, Yi J, Jo J, Eom H, Kwak J, Shin H, Park B, Lee J, Yi S, Kwon J, Oh S, Kim H, Sohn B, Won J, Hong D, Lee H, Suh C, Kim W. A PROSPECTIVE REGISTRY STUDY OF PEG-G-CSF PROPHYLAXIS FOR PATIENTS WITH DIFFUSE LARGE B-CELL LYMPHOMA (CISL 1403). Hematol Oncol 2019. [DOI: 10.1002/hon.122_2631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- S. Jeong
- Department of Hematology-Oncology; Ajou University Hospital; Suwon Republic of Korea
| | - S. Kim
- Department of Medicine; Samsung Medical Center; Seoul Republic of Korea
| | - J. Hong
- Department of Oncology; Asan Medical Center; Seoul Republic of Korea
| | - Y. Park
- Department of Internal Medicine; Korea University Anam Hospital; Seoul Republic of Korea
| | - H. Kang
- Department of Internal Medicine; Korea Cancer Center Hospital Korea Institute of Radiological and Medical Sciences; Seoul Republic of Korea
| | - Y. Koh
- Department fo Internal Medicine; Seoul National University Hospital; Seoul Republic of Korea
| | - G. Lee
- Deparmtment of Internal Medicine; Gyeongsang National University Hospital; Jinju Republic of Korea
| | - W. Lee
- Department of Internal Medicine; Inje University Busan Paik Hospital; Busan Republic of Korea
| | - D. Yang
- Department of Internal Medicine; Chonnam National University Hwasun Hospital; Hwasun Republic of Korea
| | - Y. Do
- Department of Medicine; Dongsan Medical Center; Daegu Republic of Korea
| | - M. Kim
- Department of Medicine; Yeungnam University College of Medicine; Gaegu Republic of Korea
| | - K. Yoo
- Department of Internal Medicine; Gachon University Gil Medical Center, Gachon University College of Medicine; Incheon Republic of Korea
| | - W. Yun
- Department fo Internal Medicine; Chongnam National University Hospital; Daejeon Republic of Korea
| | - J. Yi
- Department of Interanl Medicine; Chung-Ang University Hospital; Seoul Republic of Korea
| | - J. Jo
- Department of Hematology-Oncology; Ulsan University Hospital, University of Ulsan College of Medicine; Ulsan Republic of Korea
| | - H. Eom
- Hematology-oncology clinic; National Cancer Center; Goyang Republic of Korea
| | - J. Kwak
- Department of Internal Medicine; Chonbuk National University Medical School; Jeonju Republic of Korea
| | - H. Shin
- Department of Internal Medicine; Pusan National University Hospital; Busan Republic of Korea
| | - B. Park
- Department of Interanl Medicine; Hanyang University College of Medicine; Seoul Republic of Korea
| | - J. Lee
- Department of Hematology-oncology; Wonju Severance Christian Hospital; Wonju Republic of Korea
| | - S. Yi
- Deparment of Internal Medicine; Inje University Ilsan Hospital; Goyang Republic of Korea
| | - J. Kwon
- Department of Internal Medicine; Chungbuk National University Hospital; Cheongju Republic of Korea
| | - S. Oh
- Department of Internal Medicine; Dong-A University Medical Center; Busan Republic of Korea
| | - H. Kim
- Deparment of Interanl Medicine; Hallym University Sacred Heart Hospital; Anyang Republic of Korea
| | - B. Sohn
- Department of Internal Medicine; Inje University Sanggye Paik Hospital; Seoul Republic of Korea
| | - J. Won
- Department of Internal Medicine; Soonchunhyang University Hospital, Soonchunhyang University College of Medicine; Seoul Republic of Korea
| | - D. Hong
- Department of Internal Medicine; Soonchunhyang University Bucheon Hospital; Bucheon Republic of Korea
| | - H. Lee
- Department of Internal Medicine; Kosin University Gospel Hospital; Busan Republic of Korea
| | - C. Suh
- Department of Oncology; Asan Medical Center; Seoul Republic of Korea
| | - W. Kim
- Department of Medicine; Samsung Medical Center; Seoul Republic of Korea
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Han K, Kim M, Lee D, Won J, Kim G, Kwon J, Han S, Kim D, Kim H, Baek S, Lee J. 03:09 PM Abstract No. 412 Safety of co-placement of ventriculoperitoneal shunt and percutaneous radiologic gastrostomy. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Kwon J, Han K, Lee J, Won J, Kim M, Kim G, Lee D, Han S, Baek S. Abstract No. 510 Safety and efficacy of percutaneous cryoablation for small hepatocellular carcinomas adjacent to the heart. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Kim H, Park W, Choi DH, Ahn SJ, Kim SS, Kim ES, Lee JH, Lee KC, Kim JH, Lee HS, Kim JH, Kim MY, Park HJ, Kim K, Song SH, Kwon J, Lee IJ, Kim TH, Kim TG, Chang AR, Cho O, Jeong BK, Ha B, Lee J, Ki Y. Abstract OT2-04-02: A phase 3 study of post-lumpectomy radiotherapy to whole breast + regional lymph nodes vs whole breast alone for patients with pN1 breast cancer treated with taxane-based chemotherapy (KROG 1701): Trial in progress. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-ot2-04-02] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background
In patients with early stage breast cancer, regional nodal irradiation (RNI) is added to whole breast irradiation (WBI) in order to control microscopic regional disease and to prevent systemic spread of cancer. According to recent randomized trials (MA.20 and EORTC 22922-10925), prophylactic RNI was associated with improvement in disease-free survival (DFS) in the patients with high-risk node negative or pN1 breast cancer. However, systemic agents now known to improve loco-regional control, such as taxane or endocrine therapy, were prescribed to a small percentage of patients in the studies. The benefit of RNI found in the previous studies might be attributed to incorporation of less effective systemic treatments. The impact of prophylactic RNI in pN1 breast cancer should be evaluated in the patients receiving modern systemic treatment. The current study was conducted to compare the effect of post-lumpectomy WBI vs WBI plus RNI on DFS in pN1 breast cancer patients who received adjuvant taxane-based chemotherapy.
Methods
This study is a multicenter, phase 3, randomized controlled non-inferiority trial (NCT03269981). Eligibility criteria are ≥ 20 years female; pathologically proven invasive carcinoma of the breast; one to three positive axillary lymph nodes (pN1) in pathologic specimen; receiving breast-conserving surgery followed by taxane-based chemotherapy; having adjuvant endocrine therapy or anti-HER2 treatment according to molecular subtype of tumor. Patients are randomly assigned in a 1:1 ratio to receive WBI or WBI plus RNI. Patient randomization was stratified by molecular subtype of tumor (i.e. luminal A/luminal B/luminal HER2/HER2-enriched/triple-negative) and methods of axillary management (i.e. sentinel lymph node biopsy/axillary lymph node dissection). The primary outcome is DFS. The secondary outcomes include DFS according to molecular subtype, treatment-related toxicity, and patient's quality of life per EORTC QLQ-C30 and QLQ-BR23. Patients will be followed for survival and disease recurrence for seven years. A total of 1,926 patients are planned to be enrolled, with recruitment initiated in April 2017. As of June 2018, a total of 236 patients were enrolled.
Acknowledgement
This study was supported by a grant from the National R&D Program for Cancer Control, Ministry of Health & Welfare, Republic of Korea (grant number: HA17C0043010018).
Citation Format: Kim H, Park W, Choi DH, Ahn SJ, Kim SS, Kim ES, Lee JH, Lee KC, Kim JH, Lee H-S, Kim JH, Kim MY, Park HJ, Kim K, Song SH, Kwon J, Lee IJ, Kim TH, Kim TG, Chang AR, Cho O, Jeong BK, Ha B, Lee J, Ki Y. A phase 3 study of post-lumpectomy radiotherapy to whole breast + regional lymph nodes vs whole breast alone for patients with pN1 breast cancer treated with taxane-based chemotherapy (KROG 1701): Trial in progress [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr OT2-04-02.
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Affiliation(s)
- H Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - W Park
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - DH Choi
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - SJ Ahn
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - SS Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - ES Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - JH Lee
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - KC Lee
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - JH Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - H-S Lee
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - JH Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - MY Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - HJ Park
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - K Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - SH Song
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - J Kwon
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - IJ Lee
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - TH Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - TG Kim
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - AR Chang
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - O Cho
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - BK Jeong
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - B Ha
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - J Lee
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
| | - Y Ki
- Samsung Medical Center, Seoul, Republic of Korea; Chonnam National University Medical School, Gwangju, Republic of Korea; Asan Medical Center, Seoul, Republic of Korea; Soonchunhyang University College of Medicine, Cheonan, Republic of Korea; St. Vincent's Hospital, The Catholic University of Korea College of Medicine, Suwon, Republic of Korea; Gachon University Gil Medical Center, Incheon, Republic of Korea; Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea; Dong-A University Hospital, Busan, Republic of Korea; Seoul National University Hospital, Seoul, Republic of Korea; Kyungpook National University Chilgok Hospital, Daegu, Republic of Korea; Hanyang University College of Medicine, Seoul, Republic of Korea; Ewha Womans University Mokdong Hospital, Seoul, Republic of Korea; Kangwon National University School of Medicine, Chuncheon, Republic of Korea; Chungnam National University College of Medicine, Daejeon, Republic of Korea; Gangnam Severance Hospital, Yonsei Univer
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Gersbach C, Nelson C, Robinson-Hamm J, Kwon J, Gough V, Gemberling M. NEW THERAPEUTIC APPROACHES AND THEIR READOUT. Neuromuscul Disord 2018. [DOI: 10.1016/j.nmd.2018.06.236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Veerapandiyan A, Pal R, D'Ambrosio S, Young I, Eichinger K, Collins E, Westesson PL, Kwon J, Ciafaloni E. Cervical puncture to deliver nusinersen in patients with spinal muscular atrophy. Neurology 2018; 91:e620-e624. [PMID: 30006410 DOI: 10.1212/wnl.0000000000006006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 05/14/2018] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To report our experience delivering intrathecal nusinersen through cervical puncture in patients with spinal muscular atrophy (SMA) with no lumbar access. BACKGROUND SMA is a neuromuscular disorder characterized by profound muscle weakness, atrophy, and paralysis due to degeneration of the anterior horn cells. Nusinersen, the first Food and Drug Administration-approved treatment for SMA, is administered intrathecally via lumbar puncture; however, many patients with SMA have scoliosis or solid spinal fusion with hardware that makes lumbar access impossible. Studies in primates have demonstrated better spinal cord tissue concentration with intrathecal injections than with intracerebral ventricular injections. Therefore we have used C1/C2 puncture as an alternative to administer nusinersen. METHOD Retrospective chart review. RESULTS Intrathecal nusinersen via cervical puncture was given to 3 patients who had thoracic and lumbosacral spinal fusion: a 12-year-old girl with type 1 SMA and 2 17-year-old girls with type 2 SMA. Cervical puncture was performed without deep sedation under fluoroscopic guidance using a 25-G or a 24-G Whitacre needle in the posterior aspect of C1-C2 interspace and full dose of nusinersen (12 mg/5 mL) was injected after visualizing free CSF flow. Patients completed their 4 loading doses and first maintenance dose of nusinersen, and 15 procedures were successful and well-tolerated. CONCLUSION Cervical puncture is a feasible alternative delivery route to administer intrathecal nusinersen in patients with longstanding SMA and spine anatomy precluding lumbar access when done by providers with expertise in this procedure.
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Affiliation(s)
- Aravindhan Veerapandiyan
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Ria Pal
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Stephen D'Ambrosio
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Iris Young
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Katy Eichinger
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Erin Collins
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Per-Lennart Westesson
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Jennifer Kwon
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY
| | - Emma Ciafaloni
- From the Department of Neurology, Division of Neuromuscular Medicine (A.V., R.P., K.E., E. Collins, E. Ciafaloni), Department of Imaging Sciences, Division of Diagnostic and Interventional Neuroradiology (S.D., I.Y., P.-L.W.), and Department of Neurology, Division of Child Neurology (J.K.), University of Rochester Medical Center, NY.
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Kwon J, Jee D, Lim SH. Would intravitreal bevacizumab injection increase risk of cerebral infarction? Eur J Neurol 2018; 25:1177-1181. [PMID: 29772097 DOI: 10.1111/ene.13683] [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] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 05/11/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND PURPOSE Although studies have evaluated the relationship between intravitreal bevacizumab (IVB) injection and cerebral infarction (CI), the effects of IVB on CI are still not clear. The aim of this study was to investigate the effects of IVB injection on patients with CI with age-related macular degeneration (AMD). METHODS We retrospectively reviewed patients with AMD who received IVB injections for 1 year and determined the incidence of CI within 60 days after IVB injection to analyze the possible association between IVB and CI. RESULTS A total of 263 patients were enrolled over a 12-month period. Six patients (2.28%) were diagnosed with CI within 2 months after receiving an IVB injection. The incidence of CI in patients of 75-84 years of age was 6.38%. These results showed a higher incidence for patients with IVB injections than the results of previous epidemiological studies (0.13% for all age groups, 1.68% for patients of 75-84 years of age). All CIs occurred 21-53 days after the IVB injection (mean: 39.33 ± 14.65 days). Logistic regression analyses showed that age and CI history were factors associated with CI. CONCLUSIONS Treatment with IVB might be an independent risk factor for CI. These results are useful for planning treatment strategies for patients with AMD and for prevention of CI.
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Affiliation(s)
- J Kwon
- Department of Ophthalmology and Visual Science, St Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul
| | - D Jee
- Department of Ophthalmology and Visual Science, St Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul
| | - S H Lim
- Department of Rehabilitation Medicine, St Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Sandilands LJ, Kyung W, Kim SY, Son J, Kwon J, Kang TD, Yoshida Y, Moon SJ, Kim C, Noh TW. Spin-Orbit Coupling and Interband Transitions in the Optical Conductivity of Sr_{2}RhO_{4}. Phys Rev Lett 2017; 119:267402. [PMID: 29328701 DOI: 10.1103/physrevlett.119.267402] [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] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Indexed: 06/07/2023]
Abstract
The prototypical correlated metal Sr_{2}RhO_{4} was studied using optical and photoemission spectroscopy. At low energies and temperatures, the optical data reveal a complex, multicomponent response that on the surface points to an unconventional metallic state in this material. Via a comparison with photoemission, the anomalous optical response may be attributed to an unexpectedly strong interband transition near 180 meV between spin-orbit coupled bands that are nearly parallel along ΓX. This spin-orbit coupling effect is shown to occur in a number of related metallic ruthenates and explains the previously puzzling optical properties reported for these materials.
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Affiliation(s)
- Luke J Sandilands
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
- Measurement Science and Standards, National Research Council Canada, Ottawa, Ottawa K1A 0R6 Canada
| | - Wonshik Kyung
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | - So Yeun Kim
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | - J Son
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | - J Kwon
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | - T D Kang
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | - Y Yoshida
- National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8568, Japan
| | - S J Moon
- Department of Physics, Hanyang University, Seoul 04763, Republic of Korea
| | - C Kim
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
| | - Tae Won Noh
- Center for Correlated Electron Systems, Institute for Basic Science, Seoul 08826, Republic of Korea
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Republic of Korea
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Lee BH, Reijnders MRF, Abubakare O, Tuttle E, Lape B, Minks KQ, Stodgell C, Bennetto L, Kwon J, Fong CT, Gripp KW, Marsh ED, Smith WE, Huq AM, Coury SA, Tan WH, Solis O, Mehta RI, Leventer RJ, Baralle D, Hunt D, Paciorkowski AR. Expanding the neurodevelopmental phenotype of PURA syndrome. Am J Med Genet A 2017; 176:56-67. [PMID: 29150892 DOI: 10.1002/ajmg.a.38521] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 10/04/2017] [Accepted: 10/08/2017] [Indexed: 01/07/2023]
Abstract
PURA syndrome is a recently described developmental encephalopathy presenting with neonatal hypotonia, feeding difficulties, global developmental delay, severe intellectual disability, and frequent apnea and epilepsy. We describe 18 new individuals with heterozygous sequence variations in PURA. A neuromotor disorder starting with neonatal hyptonia, but ultimately allowing delayed progression to walking, was present in nearly all individuals. Congenital apnea was present in 56% during infancy, but all cases in this cohort resolved during the first year of life. Feeding difficulties were frequently reported, with gastrostomy tube placement required in 28%. Epilepsy was present in 50% of the subjects, including infantile spasms and Lennox-Gastaut syndrome. Skeletal complications were found in 39%. Disorders of gastrointestinal motility and nystagmus were also recurrent features. Autism was diagnosed in one individual, potentially expanding the neurodevelopmental phenotype associated with this syndrome. However, we did not find additional PURA sequence variations in a cohort of 120 subjects with autism. We also present the first neuropathologic studies of PURA syndrome, and describe chronic inflammatory changes around the arterioles within the deep white matter. We did not find significant correlations between mutational class and severity, nor between location of the sequence variation in PUR repeat domains. Further studies are required in larger cohorts of subjects with PURA syndrome to clarify these genotype-phenotype associations.
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Affiliation(s)
- Bo Hoon Lee
- Department of Neurology, University of Rochester Medical Center, Rochester, New York
| | - Margot R F Reijnders
- Department of Human Genetics, Donders Institute for Brain, Cognition, and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Oluwatobi Abubakare
- Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York
| | - Emily Tuttle
- Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York
| | - Brynn Lape
- Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York
| | - Kelly Q Minks
- Department of Neurology, University of Rochester Medical Center, Rochester, New York
| | - Christopher Stodgell
- Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York
| | - Loisa Bennetto
- Department of Clinical and Social Sciences in Psychology, University of Rochester, Rochester, New York
| | - Jennifer Kwon
- Department of Neurology, University of Rochester Medical Center, Rochester, New York.,Department of Pediatrics, University of Rochester Medical Center, Rochester, New York.,Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, New York
| | - Chin-To Fong
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York
| | - Karen W Gripp
- A.I. du Pont Hospital for Children/Nemours, Wilmington, Delaware
| | - Eric D Marsh
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, and Pediatric Regional Epilepsy Program, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Wendy E Smith
- Department of Pediatrics, Maine Medical Center, Portland, Maine
| | - Ahm M Huq
- Departments of Pediatrics and Neurology, Wayne State University, Children's Hospital of Michigan, Detroit, Michigan
| | - Stephanie A Coury
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, Massachusetts
| | - Wen-Hann Tan
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, Massachusetts
| | - Orestes Solis
- Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York
| | - Rupal I Mehta
- Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York.,Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, New York
| | - Richard J Leventer
- The Royal Children's Hospital Department of Neurology, University of Melbourne, Department of Pediatrics and the Murdoch Children's Hospital Institute, Melbourne, Victoria, Australia
| | - Diana Baralle
- Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, Hampshire, UK.,Faculty of Medicine, Wessex Clinical Genetics Service, Princess Anne Hospital, University of Southampton, Southampton, Hampshire, UK
| | - David Hunt
- Faculty of Medicine, Wessex Clinical Genetics Service, Princess Anne Hospital, University of Southampton, Southampton, Hampshire, UK
| | - Alex R Paciorkowski
- Department of Neurology, University of Rochester Medical Center, Rochester, New York.,Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York.,Department of Pediatrics, University of Rochester Medical Center, Rochester, New York.,Departments of Neuroscience and Biomedical Genetics, University of Rochester Medical Center, Rochester, New York
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Qu M, Velker V, Leung E, Kwon J, Elshaikh M, Kong I, Logie N, Mendez L, van der Putten L, Donovan E, Munkarah A, Wiebe E, Louie A, D'Souza D. Improved Disease Control With Adjuvant Therapy for Stage IA Serous and Clear Cell Uterine Cancer: A Pooled Multi-institutional Analysis. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Kwon J, Kim K, Chie EK, Kim BH, Jang JY, Kim SW, Oh DY, Bang YJ. Prognostic relevance of lymph node status for patients with ampullary adenocarcinoma after radical resection followed by adjuvant treatment. Eur J Surg Oncol 2017. [PMID: 28648977 DOI: 10.1016/j.ejso.2017.05.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [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: 12/13/2022] Open
Abstract
PURPOSE Attempts have been made to revise the nodal stage due to simplicity of current N staging system in ampullary adenocarcinoma. However, because of the disease rarity, there have only been a few studies assessing the prognostic impact of lymph node (LN) parameters. METHODS We retrospectively analyzed 120 patients who underwent radical resection followed by adjuvant chemoradiotherapy for ampullary adenocarcinoma. The effect of LN parameters (number of total harvest LNs, number of metastatic LN (MLN), lymph node ratio (LNR), and log odds of positive LNs (LODDS)) on overall survival (OS), locoregional relapse-free survival (LRFS) and distant metastasis-free survival were evaluated. Cutoff points of MLN, LNR and LODDs were determined using maximal χ2 method. RESULTS Fifty-seven patients (48%) were staged as pN1 and their survival was not significantly decreased compared with pN0 patients. There was also no significant difference between patients with MLN 0 vs. 1. In univariate analyses, MLN (0-1 vs. ≥2), LNR (≤17% vs. >17%) and perineural invasion were common prognosticators for OS and LRFS. Distant metastasis-free survival was not influenced by LN status. In addition, multivariate analysis revealed that among the LN parameters, LNR was able to independently predict both OS and LRFS. CONCLUSIONS LNR performs better than other LN related parameters for predicting survival. After radical resection followed by adjuvant treatment, survival of patients with one positive LN does not seem to differ from patients without LN metastasis.
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Affiliation(s)
- J Kwon
- Department of Radiation Oncology, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea; Department of Radiation Oncology, Chungnam National University Hospital, Munhwaro 282, Jungku, Daejeon, South Korea
| | - K Kim
- Department of Radiation Oncology, Ewha Womans University School of Medicine, Anyangcheon-ro, Yangcheon-gu, Seoul, South Korea.
| | - E K Chie
- Department of Radiation Oncology, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea
| | - B H Kim
- Department of Radiation Oncology, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea
| | - J-Y Jang
- Department of Surgery, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea
| | - S W Kim
- Department of Surgery, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea
| | - D-Y Oh
- Department of Internal Medicine, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea
| | - Y-J Bang
- Department of Internal Medicine, Seoul National University College of Medicine, Daehak-ro 101, Jongno-gu, Seoul, South Korea
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Gwak H, Park H, Lin W, Shin S, Yoo H, Kwon J, Lee J, Kim K, Yoo B. OS03.2 CSF metabolomic profiles can discriminate patients with leptomeningeal carcinomatosis from patients having high risk for leptomeningeal metastasis from brain metastasis or brain tumors. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Schwinghammer TL, Crannage AJ, Boyce EG, Bradley B, Christensen A, Dunnenberger HM, Fravel M, Gurgle H, Hammond DA, Kwon J, Slain D, Wargo KA. The 2016 ACCP Pharmacotherapy Didactic Curriculum Toolkit. Pharmacotherapy 2016; 36:e189-e194. [PMID: 27791276 DOI: 10.1002/phar.1846] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [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: 11/09/2022]
Abstract
The 2016 American College of Clinical Pharmacy (ACCP) Educational Affairs Committee was charged with updating and contemporizing ACCP's 2009 Pharmacotherapy Didactic Curriculum Toolkit. The toolkit has been designed to guide schools and colleges of pharmacy in developing, maintaining, and modifying their curricula. The 2016 committee reviewed the recent medical literature and other documents to identify disease states that are responsive to drug therapy. Diseases and content topics were organized by organ system, when feasible, and grouped into tiers as defined by practice competency. Tier 1 topics should be taught in a manner that prepares all students to provide collaborative, patient-centered care upon graduation and licensure. Tier 2 topics are generally taught in the professional curriculum, but students may require additional knowledge or skills after graduation (e.g., residency training) to achieve competency in providing direct patient care. Tier 3 topics may not be taught in the professional curriculum; thus, graduates will be required to obtain the necessary knowledge and skills on their own to provide direct patient care, if required in their practice. The 2016 toolkit contains 276 diseases and content topics, of which 87 (32%) are categorized as tier 1, 133 (48%) as tier 2, and 56 (20%) as tier 3. The large number of tier 1 topics will require schools and colleges to use creative pedagogical strategies to achieve the necessary practice competencies. Almost half of the topics (48%) are tier 2, highlighting the importance of postgraduate residency training or equivalent practice experience to competently care for patients with these disorders. The Pharmacotherapy Didactic Curriculum Toolkit will continue to be updated to provide guidance to faculty at schools and colleges of pharmacy as these academic pharmacy institutions regularly evaluate and modify their curricula to keep abreast of scientific advances and associated practice changes. Access the current Pharmacotherapy Didactic Curriculum Toolkit at http://www.accp.com/docs/positions/misc/Toolkit_final.pdf.
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Han H, Yang J, Choi M, Kwon J, Lee K, Lee OJ. Discordance of EGFR mutation status between primary lung adenocarcinomas and corresponding metastatic tumors and the sensitivity to EGFR tyrosine kinase inhibitors. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw383.48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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40
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Lee HW, Kwon J, Kang MC, Noh MK, Koh JS, Kim JH, Park JH. Overexpression of HSP47 in esophageal squamous cell carcinoma: clinical implications and functional analysis. Dis Esophagus 2016; 29:848-855. [PMID: 25953518 DOI: 10.1111/dote.12359] [Citation(s) in RCA: 10] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Several biomarkers of esophageal squamous cell carcinoma (ESCC) have been explored to improve the prognosis of this disease. One of these, the 47-kDa heat shock protein (HSP47), has been screened as a potential biomarker by genomic profiling and is known to be overexpressed in some malignant diseases. In this study, we explored the role and evaluated the prognostic value of HSP47 expression in ESCC. The function of this protein was analyzed by assaying proliferation, wound healing, and colony formation in an HSP47-knockdown ESCC line. The prognostic implication of HSP47 expression was analyzed by immunohistochemical staining in 157 surgical specimens. HSP47 expression level and other clinical variables were analyzed using multivariate Cox proportional hazards models. Silencing of the HSP47 gene in the ESCC cell line inhibited cell proliferation and colony formation. HSP47 was highly expressed in ESCC tissue samples, compared with normal esophageal tissues. The level of immunohistochemical staining of HSP47 and pathologic stage were significantly correlated with overall and recurrence-free survival, as shown by multivariate analysis (P = 0.014 and 0.044, respectively). We found that overexpression of HSP47 is associated with poor prognosis in patients with ESCC and that this is consistent with the function of HSP47 in terms of increased cell proliferation and colony formation. These results suggest that HSP47 is a potential prognostic biomarker for ESCC and merits further research for novel diagnostic and therapeutic applications.
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Affiliation(s)
- H W Lee
- Department of Thoracic Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - J Kwon
- Department of Translational Research, Korea Cancer Center Hospital, Seoul, Korea
| | - M C Kang
- Department of Thoracic Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - M-K Noh
- Korea Institute of Science and Technology Information, Korea Institute of Radiological and Medical Sciences, Seoul, Korea
| | - J S Koh
- Department of Pathology, Korea Cancer Center Hospital, Seoul, Korea
| | - J H Kim
- Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - J H Park
- Department of Thoracic Surgery, Korea Cancer Center Hospital, Seoul, Korea.
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Kim I, Kwon J, Park Y, Kim D, Park J. Targeting PI4K for Radiosensitization: A Potential Model of Drug Repositioning. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kwon J, Sutherland K, Hashimoto T, Peng H, Xing L, Shirato H, Date H. TU-H-CAMPUS-TeP3-03: Dose Enhancement by Gold Nanoparticles Around the Bragg Peak of Proton Beams. Med Phys 2016. [DOI: 10.1118/1.4957706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Kim S, Chung J, Ju G, Jeong Y, Choi M, Kwon J, Lee K, Han H. P-106 Anxiety and depression as predictive factors for quality of life in patients with newly diagnosed advanced gastrointestinal cancer. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw199.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Stier AV, Ellis CT, Kwon J, Xing H, Zhang H, Eason D, Strasser G, Morimoto T, Aoki H, Zeng H, McCombe BD, Cerne J. Terahertz Dynamics of a Topologically Protected State: Quantum Hall Effect Plateaus near the Cyclotron Resonance of a Two-Dimensional Electron Gas. Phys Rev Lett 2015; 115:247401. [PMID: 26705653 DOI: 10.1103/physrevlett.115.247401] [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: 05/01/2015] [Indexed: 06/05/2023]
Abstract
We measure the Hall conductivity of a two-dimensional electron gas formed at a GaAs/AlGaAs heterojunction in the terahertz regime close to the cyclotron resonance frequency using highly sensitive Faraday rotation measurements. The sample is electrically gated, allowing the electron density to be changed continuously by more than a factor of 3. We observe clear plateaulike and steplike features in the Faraday rotation angle vs electron density and magnetic field (Landau-level filling factor) even at fields or frequencies very close to cyclotron resonance absorption. These features are the high frequency manifestation of quantum Hall plateaus-a signature of topologically protected edge states. We observe both odd and even filling factor plateaus and explore the temperature dependence of these plateaus. Although dynamical scaling theory begins to break down in the frequency region of our measurements, we find good agreement with theory.
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Affiliation(s)
- A V Stier
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - C T Ellis
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - J Kwon
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - H Xing
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - H Zhang
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - D Eason
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - G Strasser
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - T Morimoto
- Department of Physics, University of Tokyo, Hongo, Tokyo 113-0033, Japan
| | - H Aoki
- Department of Physics, University of Tokyo, Hongo, Tokyo 113-0033, Japan
| | - H Zeng
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - B D McCombe
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
| | - J Cerne
- Department of Physics, University at Buffalo, The State University of New York, Buffalo, New York 14260, USA
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Seltzer L, Swartz MF, Kwon J, Burchfiel J, Cholette JM, Wang H, Sweeney D, Adams HR, Meagher C, Angona R, Guillet R, Alfieris GM. Neurodevelopmental outcomes after neonatal cardiac surgery: Role of cortical isoelectric activity. J Thorac Cardiovasc Surg 2015; 151:1137-42. [PMID: 26707762 DOI: 10.1016/j.jtcvs.2015.10.065] [Citation(s) in RCA: 18] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Revised: 10/06/2015] [Accepted: 10/11/2015] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Neonates with congenital heart disease are at risk for impaired neurodevelopment after cardiac surgery. We hypothesized that intraoperative EEG activity may provide insight into future neurodevelopmental outcomes. METHODS Neonates requiring surgery had continuous intraoperative EEG and hemodynamic monitoring. The level of EEG suppression was classified as either: slow and continuous; moderate burst suppression; severe burst suppression; or isoelectric (no brain activity for >3 minutes). Follow-up neurodevelopmental outcomes were assessed using the Vineland Adaptive Behavior Scale II (Vineland-II). RESULTS Twenty-one neonates requiring cardiac surgery developed a slow and continuous EEG pattern after general anesthesia. Ten neonates (48%) maintained continuous brain electrical activity with moderate burst suppression as the maximum level of EEG suppression. Eleven neonates (52%) developed severe burst suppression that progressed into an isoelectric state during the deep hypothermic period required for circulatory arrest. However, the duration of this state was significantly longer than circulatory arrest times (111.1 ± 50 vs 22.3 ± 17 minutes; P < .001). At a mean follow-up at 5.6 ± 1.0 years, compared with neonates with continuous brain electrical activity, neonates who developed an isoelectric state had lower Vineland-II scores in communication. There was an inverse relationship between composite Vineland-II scores and duration of isoelectric activity (R = -0.75, P = .01). Of neonates who experienced an isoelectric state, durations of >90 minutes were associated with the lowest Vineland-II scores (125.0 ± 2.6 vs 81.1 ± 12.7; P < .01). CONCLUSIONS The duration of cortical isoelectric states seems related to neurodevelopmental outcomes. Strategies using continuous EEG monitoring to minimize isoelectric states may be useful during complex congenital heart surgery.
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Affiliation(s)
- Laurie Seltzer
- Department of Neurology, University of Rochester Medical Center, Rochester, NY
| | - Michael F Swartz
- Department of Surgery, University of Rochester Medical Center, Rochester, NY.
| | - Jennifer Kwon
- Department of Neurology, University of Rochester Medical Center, Rochester, NY
| | - James Burchfiel
- Department of Neurology, University of Rochester Medical Center, Rochester, NY
| | - Jill M Cholette
- Department of Pediatrics, University of Rochester Medical Center, Rochester, NY
| | - Hongyue Wang
- Department of Statistics, University of Rochester Medical Center, Rochester, NY
| | - Dawn Sweeney
- Department of Surgery, University of Rochester Medical Center, Rochester, NY; Department of Anesthesia, University of Rochester Medical Center, Rochester, NY
| | - Heather R Adams
- Department of Neurology, University of Rochester Medical Center, Rochester, NY
| | - Cecilia Meagher
- Department of Pediatrics, University of Rochester Medical Center, Rochester, NY
| | - Ron Angona
- Department of Surgery, University of Rochester Medical Center, Rochester, NY
| | - Ronnie Guillet
- Department of Neonatology, University of Rochester Medical Center, Rochester, NY
| | - George M Alfieris
- Department of Surgery, University of Rochester Medical Center, Rochester, NY
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Rha J, Park H, Yoon C, Kwon J, Kim S, Lee E, Oh D. Clinical characteristics of stroke patients with essential thrombocytosis according to Jak2 mutation. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.1434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Choi S, Yoon B, Yoon C, Kwon J, Jeong J, Park M, Yoon B. Dietary patterns and conversion from amnestic mild cognitive impairment to dementia: a credos study. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Han H, Chung J, Jeong Y, Choi M, Kwon J, Lee K, Ju G, Kim S. 1538 Anxiety and depression in patients with newly diagnosed metastatic gastrointestinal cancer. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30628-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Partain L, Kwon J, Rottmann J, Zentai G, Berbeco R, Boyd D. SU-E-J-56: Static Gantry Digital Tomosynthesis From the Beam's-Eye-View. Med Phys 2015. [DOI: 10.1118/1.4924143] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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50
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Ananthakrishnan AN, Kwon J, Raffals L, Sands B, Stenson WF, McGovern D, Kwon JH, Rheaume RL, Sandler RS. Variation in treatment of patients with inflammatory bowel diseases at major referral centers in the United States. Clin Gastroenterol Hepatol 2015; 13:1197-200. [PMID: 25460565 PMCID: PMC4440845 DOI: 10.1016/j.cgh.2014.11.020] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [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: 07/16/2014] [Revised: 10/16/2014] [Accepted: 11/03/2014] [Indexed: 02/07/2023]
Abstract
We performed a prospective study of patients with inflammatory bowel diseases to examine variations in treatment among medical centers. In a prospective cohort study of 1659 patients with Crohn's disease and 946 patients with ulcerative colitis seen at 7 high-volume referral centers, we collected data on demographics, disease characteristics, and medical and surgical treatments. We used logistic regression to determine differences in treatment among centers, controlling for potential confounders. We found significant variations among centers in the treatment of Crohn's disease with immunomodulators (odds ratio [OR], 3.34; 95% confidence interval [CI], 2.09-5.32) but not anti-tumor necrosis factor agents (OR, 1.64; 95% CI, 0.97-2.77). There was less variation in the treatment of ulcerative colitis; we found no difference in use of immunomodulators (OR, 1.83; 95% CI, 1.00-3.36) or anti-tumor necrosis factor therapy (OR, 0.81; 95% CI, 0.40-1.65). The development and implementation of evidence-based standards of care for inflammatory bowel disease may help reduce variation and improve outcomes.
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Affiliation(s)
| | - Jennifer Kwon
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai
| | | | - Bruce Sands
- Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai
| | | | - Dermot McGovern
- Inflammatory Bowel Disease and Immunobiology Research Institute, Cedars-Sinai Medical Center
| | - John H Kwon
- Division of Gastroenterology, Hepatology, and Nutrition, University of Chicago
| | | | - Robert S. Sandler
- Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine
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