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Iwamoto M, Makutani Y, Ushijima H, Ogawa R, Yoshioka Y, Wada T, Ueda K, Kawamura J. Cranial-First Approach in Robot-Assisted Right Hemicolectomy. Dis Colon Rectum 2024; 67:e358. [PMID: 38354052 DOI: 10.1097/dcr.0000000000003114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Affiliation(s)
- Masayoshi Iwamoto
- Department of Surgery, Kindai University Faculty of Medicine, Ohnohigashi, Osaka Sayama, Osaka, Japan
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Iwamoto M, Aoki C, Ota M, Minami E, Yoshiyama A, Tanaka M, Sakane J, Ikari A, Tominaga T, Takai S, Oku H, Kimura K, Lee SW. P198 Identification of sentinel lymph nodes using the near infrared light camera system LIGHTVISION®. Breast 2023. [DOI: 10.1016/s0960-9776(23)00316-8] [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: 03/17/2023] Open
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Iwamoto M, Makutani Y, Yane Y, Ushijima H, Yoshioka Y, Wada T, Daito K, Tokoro T, Chiba Y, Ueda K, Kawamura J. The usefulness of the endoscopic surgical skill qualification system in laparoscopic right hemicolectomy: a single-center, retrospective analysis with propensity score matching. Langenbecks Arch Surg 2023; 408:33. [PMID: 36645519 DOI: 10.1007/s00423-023-02810-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/11/2023] [Indexed: 01/17/2023]
Abstract
PURPOSE Recently, a new certification system called the Endoscopic Surgical Skill Qualification System (ESSQS) has been launched in Japan to improve surgical safety. This study aimed to determine whether ESSQS-qualified surgeons affect the short- and long-term outcomes of laparoscopic right hemicolectomy. METHODS A total of 187 colon cancer patients who underwent laparoscopic right hemicolectomy at Kindai University Hospital between January 2016 and December 2020 were enrolled. These patients were divided into two groups based on surgeries performed by ESSQS-qualified surgeons (QS group) and non-ESSQS-qualified surgeons (NQS group). The short- and long-term outcomes were compared between the two groups before and after propensity score matching (PSM). RESULTS After PSM, 43 patients from each group were included in the matched cohort. In the short-term outcomes, the total operative time was significantly longer in the NQS group than in the QS group (229 vs. 174 min, p < 0.0001). However, there were no significant differences in the two groups regarding blood loss (0 vs. 0 ml, p = 0.7126), conversion (0.0% vs. 7.0%, p = 0.0779), Clavien-Dindo ≥ 2 complications (9.3% vs. 7.0%, p = 0.6933), mortality (2.3% vs. 0.0%, p = 0.3145), and postoperative hospital stay (9 vs. 9 days, p = 0.5357). In the long-term outcomes, there were no significant differences between the two groups in the 3-year overall survival (86.6% vs. 83.0%, p = 0.8361) and recurrence-free survival (61.7% vs. 72.0%, p = 0.3394). CONCLUSION Laparoscopic right hemicolectomy performed by ESSQS-qualified surgeons contributed to shorter operative time. Under the supervision of ESSQS-qualified surgeons, almost equivalent safety and oncological outcomes are expected even in surgeries performed by non-ESSQS-qualified surgeons.
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Affiliation(s)
- Masayoshi Iwamoto
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan.
| | - Yusuke Makutani
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Yoshinori Yane
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Hokuto Ushijima
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Yasumasa Yoshioka
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Toshiaki Wada
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Koji Daito
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Tadao Tokoro
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Yasutaka Chiba
- Division of Biostatistics, Clinical Research Center, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Kazuki Ueda
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Junichiro Kawamura
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
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Iwakura K, Onishi T, Okamura A, Koyama Y, Hirao Y, Tanaka K, Iwamoto M, Tanaka N, Okada M, Watanabe H, Nakatani D, Hikoso S, Sakata Y, Sakata Y. Development of the new risk score to predict occurrence of atrial fibrillation early after acute myocardial infarction. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.509] [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/Introduction
New onset of atrial fibrillation (AF) is associated with adverse short- and long-term outcomes after acute myocardial infarction (AMI), and its prediction is relevant for the risk stratification in patients with AMI. Although several risk scores were developed for AF in the general population, there is no established risk score for AF occurrence after AMI.
Purpose
To develop a risk score to predict occurrence of AF early after AMI.
Methods
We enrolled consecutive 751 patients with AMI who admitted to our hospital between April 2006 and September 2012 for the present study. New occurrence of AF was defined as AF detected during hospital stay in a patient showing normal regular sinus rhythm at admission. Parameters relevant to the occurrence of AF was selected from the clinical characteristics, physical status and blood test data at admission, and peak CK/CK-MB, by stepwise logistic regression analysis. We constructed a risk score model to predict the new occurrence of AF, using selected parameters and their logistic regression coefficients. C-statistics was determined by constructing a receiver operating characteristic curve to evaluate the accuracy of the risk score for prediction of AF occurrence.
Results
We excluded 48 patients (6.4%) who had AF at admission, and 208 patients without sufficient data at admission, and thus, the study group consisted of 459 patients (age; 65±13 years, male gender; 79.6%). New AF occurrence was observed in 72 patients (14.5%). The following 7 parameters was selected as parameters related with AF (as p<0.1); Inferior/posterior AMI, use of β blockers, use of diuretics, single vessel disease, absence of reperfusion therapy, systolic blood pressure (sBP) at admission, and smoking. One point was given to sBP>128mmHg, 2 points to absence of reperfusion, and one point to other parameters. Sum of these points was calculated as the AF risk score (Table 1). AF occurred in 27.1% of patients with ≥5 points whereas it was observed 5.2% of those with <5 points. C-statistics of the risk score was 0.75 (95% CI 0.68–0.83).
Conclusion
We developed a novel risk score to estimate the risk of AF occurrence early after AMI, which can be a useful tool for the risk stratification after AMI.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- K Iwakura
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - T Onishi
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - M Okada
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - H Watanabe
- Sakurabashi-Watanabe Hospital , Osaka , Japan
| | - D Nakatani
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - S Hikoso
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
| | - Y Sakata
- National Cerebral and Cardiovascular Center Hospital, Department of Clinical Medicine and Development , Osaka , Japan
| | - Y Sakata
- Osaka University Graduate School of Medicine, Department of Cardiovascular Medicine , Suita , Japan
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Matsukiyo S, Yamazaki R, Morita T, Tomita K, Kuramitsu Y, Sano T, Tanaka SJ, Takezaki T, Isayama S, Higuchi T, Murakami H, Horie Y, Katsuki N, Hatsuyama R, Edamoto M, Nishioka H, Takagi M, Kojima T, Tomita S, Ishizaka N, Kakuchi S, Sei S, Sugiyama K, Aihara K, Kambayashi S, Ota M, Egashira S, Izumi T, Minami T, Nakagawa Y, Sakai K, Iwamoto M, Ozaki N, Sakawa Y. High-power laser experiment on developing supercritical shock propagating in homogeneously magnetized plasma of ambient gas origin. Phys Rev E 2022; 106:025205. [PMID: 36109929 DOI: 10.1103/physreve.106.025205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
A developing supercritical collisionless shock propagating in a homogeneously magnetized plasma of ambient gas origin having higher uniformity than the previous experiments is formed by using high-power laser experiment. The ambient plasma is not contaminated by the plasma produced in the early time after the laser shot. While the observed developing shock does not have stationary downstream structure, it possesses some characteristics of a magnetized supercritical shock, which are supported by a one-dimensional full particle-in-cell simulation taking the effect of finite time of laser-target interaction into account.
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Affiliation(s)
- S Matsukiyo
- Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
- International Research Center for Space and Planetary Environmental Science, Kyushu University, Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
- Institute of Laser Engineering, Osaka University, 2-6, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - R Yamazaki
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
- Institute of Laser Engineering, Osaka University, 2-6, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - T Morita
- Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - K Tomita
- Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
- Division of Quantum Science and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Y Kuramitsu
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - T Sano
- Institute of Laser Engineering, Osaka University, 2-6, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - S J Tanaka
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - T Takezaki
- Faculty of Engineering, University of Toyama, 3190, Gofuku, Toyama 930-8555, Japan
- Department of Creative Engineering, National Institute of Technology, Kitakyushu College, 5-20-1 Shii, Kokuraminamiku, Kitakyushu, Fukuoka 802-0985, Japan
| | - S Isayama
- Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
- International Research Center for Space and Planetary Environmental Science, Kyushu University, Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
| | - T Higuchi
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - H Murakami
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - Y Horie
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - N Katsuki
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - R Hatsuyama
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - M Edamoto
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - H Nishioka
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - M Takagi
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - T Kojima
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
| | - S Tomita
- Astronomical Institute, Tohoku University, 6-3 Aramaki, Aoba-ku, Sendai, Miyagi 980-8578, Japan
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980-8578, Japan
| | - N Ishizaka
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
| | - S Kakuchi
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
| | - S Sei
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
| | - K Sugiyama
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
| | - K Aihara
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
| | - S Kambayashi
- Department of Physical Science, Aoyama Gakuin University, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 252-5258, Japan
| | - M Ota
- Graduate School of Science, Osaka University, 1-1 Machikane-yama, Toyonaka, Osaka 560-0043, Japan
| | - S Egashira
- Graduate School of Science, Osaka University, 1-1 Machikane-yama, Toyonaka, Osaka 560-0043, Japan
| | - T Izumi
- Graduate School of Science, Osaka University, 1-1 Machikane-yama, Toyonaka, Osaka 560-0043, Japan
| | - T Minami
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Y Nakagawa
- Graduate School of Science, Osaka University, 1-1 Machikane-yama, Toyonaka, Osaka 560-0043, Japan
| | - K Sakai
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - M Iwamoto
- Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan
- Department of Earth and Planetary Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - N Ozaki
- Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Y Sakawa
- Institute of Laser Engineering, Osaka University, 2-6, Yamadaoka, Suita, Osaka 565-0871, Japan
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Yane Y, Hida JI, Chiba Y, Makutani Y, Ushijima H, Yoshioka Y, Iwamoto M, Wada T, Daito K, Tokoro T, Ueda K, Kawamura J. Effectiveness of negative pressure wound therapy with instillation and dwelling after stoma closure: a retrospective and propensity score matching analysis. Sci Rep 2022; 12:916. [PMID: 35042963 PMCID: PMC8766549 DOI: 10.1038/s41598-022-05016-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 01/04/2022] [Indexed: 11/09/2022] Open
Abstract
The use of temporary diverting stoma has become more common in low colorectal anastomosis to reduce anastomotic complications. Surgical site infection (SSI) at the stoma closure site has been one of the most frequent postoperative complications. The aim of this study was to compare the short-term outcomes between conventional primary suture closure and negative pressure wound therapy with instillation and dwelling (NPWTi-d) therapy following purse-string suturing, using propensity score matching analysis. We retrospectively evaluated the medical records of 107 patients who underwent stoma closure between January 2016 and October 2020. The primary outcome was the proportion of SSI. The secondary outcome was the day of postoperative length of stay. Propensity score matching with one-to-one match was performed for reducing treatment selection bias. Of a total of 107 patients, 67 patients had been treated with conventional primary closure and 40 with NPWTi-d therapy. The propensity score matching derived 37 pairs. The respective SSI proportions were 0% and 16.2% in the groups with NPWTi-d and primary closure (P = 0.025). The respective median days of postoperative hospital stay were 9.0 and 10.0 in the groups with NPWTi-d and primary closure (P = 0.453). NPWTi-d therapy with purse-string suturing was effective in reducing SSI after stoma closure.
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Affiliation(s)
- Yoshinori Yane
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Jin-Ichi Hida
- Department of Gastroenterological Surgery, Kindai University Nara Hospital, Ikoma, Nara, Japan
| | - Yasutaka Chiba
- Division of Biostatistics, Clinical Research Center, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Yusuke Makutani
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Hokuto Ushijima
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Yasumasa Yoshioka
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Toshiaki Wada
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Koji Daito
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Tadao Tokoro
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Kazuki Ueda
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan
| | - Junichiro Kawamura
- Department of Surgery, Faculty of Medicine, Kindai University, 377-2 Ohno-Higashi, Osaka-sayama, Osaka, 589-8511, Japan.
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Ueda K, Daito K, Ushijima H, Yane Y, Yoshioka Y, Tokoro T, Iwamoto M, Wada T, Makutani Y, Kawamura J. Laparoscopic complete mesocolic excision with central vascular ligation for splenic flexure colon cancer: short- and long-term outcomes. Surg Endosc 2021; 36:2661-2670. [PMID: 34031741 PMCID: PMC8921072 DOI: 10.1007/s00464-021-08559-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 05/11/2021] [Indexed: 12/01/2022]
Abstract
Background Complete mesocolic excision (CME) with central vascular ligation (CVL) for colon cancer is an essential procedure for improved oncologic outcomes after surgery. Laparoscopic surgery for splenic flexure colon cancer was recently adopted due to a greater understanding of surgical anatomy and improvements in surgical techniques and innovative surgical devices. Methods We retrospectively analyzed the data of patients with splenic flexure colon cancer who underwent laparoscopic CME with CVL at our institution between January 2005 and December 2017. Results Forty-five patients (4.8%) were enrolled in this study. Laparoscopic CME with CVL was successfully performed in all patients. The median operative time was 178 min, and the median estimated blood loss was 20 g. Perioperative complications developed in 6 patients (13.3%). The median postoperative hospital stay was 9 days. According to the pathological report, the median number of harvested lymph nodes was 15, and lymph node metastasis developed in 14 patients (31.1%). No metastasis was observed at the root of the middle colic artery or the inferior mesenteric artery. The median follow-up period was 49 months. The cumulative 5-year overall survival and disease-free survival rates were 85.9% and 84.7%, respectively. The cancer-specific survival rate in stage I-III patients was 92.7%. Recurrence was observed in 5 patients (11.1%), including three patients with peritoneal dissemination and two patients with distant metastasis. Conclusions Laparoscopic CME with CVL for splenic flexure colon cancer appears to be oncologically safe and feasible based on the short- and long-term outcomes in our study. However, it is careful to introduce this procedure to necessitate the anatomical understandings and surgeon’s skill. The appropriate indications must be established with more case registries because our experience is limited.
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Affiliation(s)
- Kazuki Ueda
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan.
| | - Koji Daito
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Hokuto Ushijima
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Yoshinori Yane
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Yasumasa Yoshioka
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Tadao Tokoro
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Toshiaki Wada
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Yusuke Makutani
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
| | - Junichiro Kawamura
- Department of Surgery, Kindai University Faculty of Medicine, 377-2, Ohnohigashi, Osaka Sayama, Osaka, 589-8511, Japan
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10
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Yane Y, Hida JI, Makutani Y, Ushijima H, Yoshioka Y, Iwamoto M, Wada T, Daito K, Tokoro T, Ueda K, Kawamura J. The technique for less infectious and earlier healing of stoma closure wound: negative pressure wound therapy with instillation and dwelling followed by primary closure. BMC Surg 2021; 21:157. [PMID: 33752660 PMCID: PMC7983388 DOI: 10.1186/s12893-021-01109-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 02/18/2021] [Indexed: 11/13/2022] Open
Abstract
Background Temporary stomas have been widely used to avoid the risk of complications such as anastomotic leakage after colorectal resection. Stoma closure is relatively easy; however, postoperative surgical site infection (SSI) may be a problem. Various methods have been used to reduce the incidence of SSI. We aimed to evaluate a new technique for stoma wound closure. Methods We enrolled patients who underwent stoma closure at our hospital between September 2019 and May 2020. We selected patients who lived far from our hospital and had difficulty visiting the hospital regularly and who agreed to undergo this surgical technique. We used negative pressure wound therapy with instillation and dwelling (NPWTi-d) and delayed primary closure for these patients. Results Four patients underwent NPWTi-d and delayed primary closure without the occurrence of SSI. The median postoperative hospital stay was 9 days (range: 7–14 days), and the median number of days to confirmation of epithelialization was 11.5 days (range: 10–16 days). Conclusion The combined use of NPWTi-d and delayed primary closure for the stoma wound was very effective. This method may be a valuable new technique for wound management after stoma closure.
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Affiliation(s)
- Yoshinori Yane
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan.
| | - Jin-Ichi Hida
- Department of Gastroenterological Surgery, Kindai University Nara Hospital, Ikoma, Nara, Japan
| | - Yusuke Makutani
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Hokuto Ushijima
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Yasumasa Yoshioka
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Toshiaki Wada
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Koji Daito
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Tadao Tokoro
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Kazuki Ueda
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
| | - Junichiro Kawamura
- Department of Surgery, Faculty of Medicine, Kindai University, Osaka-sayama, Osaka, Japan
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11
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Onishi T, Koyama Y, Inoue K, Iwakura K, Okamura A, Iwamoto M, Watanabe S, Nagai H, Hirao Y, Tanaka K, Tanaka N, Okada M, Sumiyoshi A, Yoshimoto I, Fujii K. The utility of a novel approach to quantify dyssynchrony by multidetector computed tomography. Eur Heart J Cardiovasc Imaging 2021. [DOI: 10.1093/ehjci/jeaa356.225] [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
Funding Acknowledgements
Type of funding sources: None.
Background
Quantification of left ventricular (LV) dyssynchrony is of great interest for resynchronization therapy (CRT). Recently, cardiac computed tomography (CCT) is feasible for evaluation of dyssynchrony. Our aim was to assess a novel simplified approach using CCT to quantify LV dyssynchrony.
Methods
We studied 346 consecutive patients with a wide range of QRS width and ejection fractions (EF). Electrocardiogram-gated contrast-enhanced 256-slice multidetector CT (Brilliance 256 iCT, Philips Medical Systems) was performed before CRT. After CCT scan, the LV endocardial boundaries from short-axis images reconstructed at 5% increments of cardiac cycle were automatically detected, and a time from R-wave to maximal wall motion was calculated for each of the 16 standardized segments for all slices using software "Myocardial Contraction Map" (Argus, Inc Ehime, Japan). The standard deviation of all segments modified by mean heart rate (%SD) was respectively calculated as the global parameter of dyssynchrony. LVEF was also measured using MDCT.
Results
%SD was feasible in all patients, respectably. %SD was significantly different between the different QRS duration groups; narrow QRS (<120ms): 9 ± 5%, relatively wide QRS (120-150 ms): 11 ± 6%, and significantly wide QRS (>150 ms): 14 ± 7% (p <0.001). Moreover, there was significantly difference in %SD between the different morphology groups; normal: 9 ± 7%, Non-left bundle branch block (Non-LBBB): 10 ± 6%, LBBB: 17 ± 7% (p <0.001).
Conclusion
This novel simplified approach by CCT can quantify dyssynchrony in different QRS duration and morphology groups. This method has promise for clinical applications to the evaluation of patients for CRT.
Abstract Figure.
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Affiliation(s)
- T Onishi
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Inoue
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - S Watanabe
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - H Nagai
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - M Okada
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | | | | | - K Fujii
- Sakurabashi-Watanabe Hospital, Osaka, Japan
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12
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Ahmad Z, Mishra A, Abdulrahim SM, Taguchi D, Sanghyun P, Aziz F, Iwamoto M, Manaka T, Bhadra J, Al-Thani NJ, Nazeeruddin MK, Touati F, Belaidi A, Al-Muhtaseb SA. Consequence of aging at Au/HTM/perovskite interface in triple cation 3D and 2D/3D hybrid perovskite solar cells. Sci Rep 2021; 11:33. [PMID: 33420108 PMCID: PMC7794305 DOI: 10.1038/s41598-020-79659-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 12/08/2020] [Indexed: 11/23/2022] Open
Abstract
Perovskite solar cells (PSCs) expressed great potentials for offering a feasible alternative to conventional photovoltaic technologies. 2D/3D hybrid PSCs, where a 2D capping layer is used over the 3D film to avoid the instability issues associated with perovskite film, have been reported with improved stabilities and high power conversion efficiencies (PCE). However, the profound analysis of the PSCs with prolonged operational lifetime still needs to be described further. Heading towards efficient and long-life PSCs, in-depth insight into the complicated degradation processes and charge dynamics occurring at PSCs' interfaces is vital. In particular, the Au/HTM/perovskite interface got a substantial consideration due to the quest for better charge transfer; and this interface is debatably the trickiest to explain and analyze. In this study, multiple characterization techniques were put together to understand thoroughly the processes that occur at the Au/HTM/perovskite interface. Inquest analysis using current-voltage (I-V), electric field induced second harmonic generation (EFISHG), and impedance spectroscopy (IS) was performed. These techniques showed that the degradation at the Au/HTM/perovskite interface significantly contribute to the increase of charge accumulation and change in impedance value of the PSCs, hence resulting in efficiency fading. The 3D and 2D/3D hybrid cells, with PCEs of 18.87% and 20.21%, respectively, were used in this study, and the analysis was performed over the aging time of 5000 h. Our findings propose that the Au/HTM/perovskite interface engineering is exclusively essential for attaining a reliable performance of the PSCs and provides a new perspective towards the stability enhancement for the perovskite-based future emerging photovoltaic technology.
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Affiliation(s)
- Zubair Ahmad
- Center for Advanced Materials (CAM), Qatar University, 2713, Doha, Qatar.
- Qatar University Young Scientists Center (YSC), Qatar University, 2713, Doha, Qatar.
| | - Arti Mishra
- Center for Advanced Materials (CAM), Qatar University, 2713, Doha, Qatar
| | | | - D Taguchi
- Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo, 152-8552, Japan
| | - Paek Sanghyun
- Department of Chemistry and Energy Engineering, Sangmyung University, Seoul, 03016, Republic of Korea
| | - Fakhra Aziz
- Jinnah College for Women, University of Peshawar, Peshawar, 25120, KPK, Pakistan
| | - M Iwamoto
- Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo, 152-8552, Japan
| | - T Manaka
- Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo, 152-8552, Japan
| | - Jolly Bhadra
- Qatar University Young Scientists Center (YSC), Qatar University, 2713, Doha, Qatar
| | - Noora J Al-Thani
- Qatar University Young Scientists Center (YSC), Qatar University, 2713, Doha, Qatar
| | - Mohammad Khaja Nazeeruddin
- Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, EPFL VALAIS, 1951, Sion, Switzerland
| | - Farid Touati
- Department of Electrical Engineering, College of Engineering, Qatar University, 2713, Doha, Qatar
| | - Abdelhak Belaidi
- Department of Petroleum Engineering, Texas A&M University at Qatar, Education City, 23874, Doha, Qatar
| | - Shaheen A Al-Muhtaseb
- Department of Chemical Engineering, College of Engineering, Qatar University, 2713, Doha, Qatar
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13
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Onishi T, Koyama Y, Inoue K, Okamura A, Iwamoto M, Tanaka K, Nagai H, Hirao Y, Oka T, Tanaka N, Watanabe S, Sumiyoshi A, Okada M, Iwakura K, Fujii K. Quantitative analysis of dyssynchrony assessed by multidetector computed tomography can predict clinical outcome after cardiac resynchronization therapy. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1090] [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: 11/12/2022] Open
Abstract
Abstract
Background
The degree of mechanical dyssynchrony has been suggested as a predictor for long-term survival after cardiac resynchronization therapy (CRT). There have been little reports of dyssynchrony assessment with the use of cardiac computed tomography (CCT).
Methods
We studied 35 heart failure (HF) patients (average age 67±10 years) referred for CRT with NYHA III-IV heart failure, left ventricular (LV) ejection fraction (EF) 20±10% (all ≤35%), and QRS duration 156±22 ms (all ≥120ms). Electrocardiogram-gated contrast-enhanced 256-slice multidetector CT was performed before CRT. Based on CCT, the LV endocardial boundaries from short-axis images reconstructed at 5% increments of cardiac cycle were automatically detected, and the time from R-wave to maximal wall motion was calculated for each of the 16 standardized segments for all slices using software “Myocardial Contraction Map”. The standard deviation modified by mean heart rate (%SD) was respectively calculated as the global parameter of dyssynchrony. LVEF was also measured using MDCT. The predefined primary end-point was the first HF hospitalization or death over 2 years.
Results
%SD was feasible in all patients, respectably. There were 16 events over 2 years; 11 HF hospitalizations and 5 deaths. Patients with %SD ≥22% (optimal cutoff for outcome by ROC curve analysis) had a better clinical outcome than patients with %SD <22% (p=0.01, Figure).
Conclusion
Patients who had %SD ≥22% assessed by MDCT had a particularly favorable event-free survival following CRT, and this appears to be an important prognostic marker.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- T Onishi
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Inoue
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - H Nagai
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - T Oka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - S Watanabe
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | | | - M Okada
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Fujii
- Sakurabashi-Watanabe Hospital, Osaka, Japan
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14
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Hosoi H, Nishikawa S, Kida Y, Kishi T, Murata S, Iwamoto M, Toyoda Y, Yamada Y, Ikeda T, Sonoki T. Susceptibility of patients receiving chemotherapy for haematological malignancies to scabies. J Hosp Infect 2020; 106:594-599. [PMID: 32866631 DOI: 10.1016/j.jhin.2020.08.021] [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: 05/23/2020] [Accepted: 08/24/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Scabies is a contagious dermatosis. The risk factors for its transmission remain unclear. A scabies outbreak, involving patients who were receiving chemotherapy for haematological malignancies, occurred at our hospital. METHODS The outbreak population was analysed to determine whether the incidence of scabies was higher among contact patients receiving chemotherapy for haematological malignancies. RESULTS A patient with crusted scabies was the index case, and 18 of 78 contact healthcare workers (HCWs) and 22 of 135 contact patients were diagnosed with classical scabies. Ten of 17 contact patients with haematological malignancies and 12 of 118 contact patients with other diseases were infected with scabies. The incidence rate was significantly higher among the patients with haematological malignancies (P<0.001). The patients with haematological malignancies had a significantly lower mean minimum neutrophil count than those with other diseases (1159/μL vs 3761/μL, P=0.0012). Most haematological patients did not require special nursing assistance, suggesting that the higher incidence of scabies among these patients resulted from their immunodeficiency rather than greater skin-to-skin contact with infected HCWs. CONCLUSION Our study suggests that patients receiving chemotherapy for haematological malignancies are more susceptible to scabies than patients with other diseases, and require stricter protection.
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Affiliation(s)
- H Hosoi
- Department of Internal Medicine, Kainan Municipal Medical Center, Wakayama, Japan; Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan.
| | - S Nishikawa
- Department of Nursing, Kainan Municipal Medical Center, Wakayama, Japan; Infection Control Team, Kainan Municipal Medical Center, Wakayama, Japan
| | - Y Kida
- Department of Internal Medicine, Kainan Municipal Medical Center, Wakayama, Japan
| | - T Kishi
- Department of Dermatology, Kainan Municipal Medical Center, Wakayama, Japan
| | - S Murata
- Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
| | - M Iwamoto
- Infection Control Team, Kainan Municipal Medical Center, Wakayama, Japan; Department of Pediatrics, Kainan Municipal Medical Center, Wakayama, Japan
| | - Y Toyoda
- Department of Internal Medicine, Kainan Municipal Medical Center, Wakayama, Japan
| | - Y Yamada
- Department of Internal Medicine, Kainan Municipal Medical Center, Wakayama, Japan
| | - T Ikeda
- Department of Internal Medicine, Kainan Municipal Medical Center, Wakayama, Japan
| | - T Sonoki
- Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
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15
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Onishi T, Iwakura K, Okamura A, Koyama Y, Inoue K, Iwamoto M, Tanaka K, Nagai H, Hirao Y, Oka T, Tanaka N, Fujii K. 1677 Global longitudinal strain during dobutamine stress echocardiography can predict left ventricular remodeling after anterior wall acute myocardial infarction. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.1041] [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
Although dobutamine stress echocardiography (DSE) at the early stage of acute myocardial infarction (AMI) is useful for the prediction of functional and clinical prognosis, the interpretation requires expertise. In this study, we sought to investigate if global longitudinal strain (GLS) during DSE after AMI can predict left ventricular remodeling (LVR).
Methods
Consecutive 30 patients with anterior wall AMI (18 male, age = 58 ± 13 years) were performed DSE 3 days after AMI. GLS was calculated as an averaged value of peak longitudinal strain in the apical 4- and 2-chamber views at baseline echocardiography, low-dose DSE (10 μg/kg/min) using available software (QLAB, Philips Medical Systems). Left ventricular remodeling (LVR) was defined as an echocardiographically determined increase in both EDVI and ESVI of 20% or more from baseline to the 6 month follow-up echocardiography.
Results
12 patients (40%) evolved with LVR. The change in GLS during low-dose DSE was significantly different between the remodeling and non-remodeling group (8 ± 5% v.s. 27 ± 20%, p < 0.05). Interestingly, it predicted LVR with sensitivity of 88%, specificity of 92% at the cut-off value of 12% (Area under the curve = 0.94, p < 0.0001).
Conclusion
The change in GLS during low-dose DSE can be used as a predictor for the LVR after AMI. This observation has promise for clinical applications.
Abstract 1677 Figure.
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Affiliation(s)
- T Onishi
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Iwakura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Koyama
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Inoue
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - H Nagai
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - Y Hirao
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - T Oka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - N Tanaka
- Sakurabashi-Watanabe Hospital, Osaka, Japan
| | - K Fujii
- Sakurabashi-Watanabe Hospital, Osaka, Japan
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16
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Yoshinaga M, Iwamoto M, Horigome H, Sumitomo N, Ushinohama H, Izumida N, Tauchi N, Yoneyama T, Abe M, Kato T, Hokosaki T, Kato Y, Nagashima M. P3468Tentative criteria of a combined RV3+SV3 voltage for early diagnosis of pediatric patients with hypertrophic cardiomyopathy. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.0340] [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
A high voltage in midprecordial leads, termed the Katz-Wachtel sign, is a surrogate marker of left- or bi-ventricular hypertrophy. Asymmetrical interventricular hypertrophy is a characteristic feature of hypertrophic cardiomyopathy (HCM). In Japan, a school-based electrocardiographic (ECG) screening program was developed for all 1st, 7th, and 10th graders. Our hypothesis is that a combined voltage of RV3+SV3 {V3(R+S)} is a marker to screen pediatric HCM.
Purpose
[1] To develop V3(R+S) voltage criteria in 1st, 7th, and 10th graders at the screening program and [2] to determine whether the criteria are useful for the early diagnosis of HCM.
Methods
[1] Overall, 48,401 digitally stored ECGs from 16,773 1st graders (6-year-olds), 18,126 7th graders (12-year-olds), and 13,502 10th graders (15-year-olds) were obtained after excluding ECGs of subjects with underlying diseases, arrhythmias, and ST/T changes. The prevalence of HCM in children is estimated at 2.9 per 100,000 (1/34,000). The screening points were assumed to be between 1/2,000 and 1/5,000 to exclude the possibility of false negatives. [2] In 12 HCM patients (males/females=10/2) who were diagnosed after 12 years of age (one case was diagnosed at 9 years of age), the ECGs at the screening program of their first grade (at 6 years of age) were retrospectively examined.
Results
[1] The V3(R+S) criteria were 6.0 mV, 6.0 mV, and 5.5 mV for 1st, 7th, and 10th grader males, and 5.0 mV, 4.5 mV, and 4.0 mV for 1st, 7th, and 10th grade females, respectively. The number of subjects (and prevalence in parentheses) selected by the criteria were 2 (1/4175), 3 (1/2981), and 1 (1/6477) for 1st, 7th, and 10th grade males, and 2 (1/4212), 3 (1/3061), and 1 (1/3513) for 1st, 7th, and 10th grade females, respectively. [2] Four of 12 cases fulfilled the criteria. Of these, one suddenly died at 18 years of age, one experienced out-of-hospital cardiac arrest at 16 years of age, and one already had an interventricular thickness of 19 mm at 12 years of age.
Conclusions
These tentative V3(R+S) voltage criteria may be useful for the early diagnosis of pediatric HCM patients, particularly severe patients. The children and adolescents who were screened can be followed at 2–3-year intervals with ECGs and echocardiography. Early diagnosis and intervention including lifestyle modification and medication may prevent them expiring from out-of-hospital cardiac arrest or sudden death. Finally, the criteria should be validated in clinical settings.
Acknowledgement/Funding
A Health and Labour Sciences Grant from the Ministry of Health, Labour and Welfare of Japan (H27-019)
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Affiliation(s)
- M Yoshinaga
- National Hospital Organization Kagoshima Medical Center, Kagoshima, Japan
| | - M Iwamoto
- Saiseikai Yokohama City Eastern Hospital, Child Center, Yokohama, Japan
| | - H Horigome
- Tsukuba University, Department of Child Health, Graduate School of Comprehensive Human Sciences, Tsukuba, Japan
| | - N Sumitomo
- Saitama Medical University International Medical Center, Department of Pediatric Cardiology, Hidaka, Japan
| | | | - N Izumida
- Akebonocho Clinic, Pediatric Cardiology, tokyo, Japan
| | - N Tauchi
- Aichi Saiseikai Rehabilitation Hospital, Nagoya, Japan
| | | | - M Abe
- Tokyo Health Service Association, Tokyo, Japan
| | - T Kato
- Nagoya University Graduate School of Medicine, Department of Pediatrics/Developmental Pediatric, Nagoya, Japan
| | - T Hokosaki
- Yokohama City University Hospital, Pediatrics, Yokohama, Japan
| | - Y Kato
- National Cerebral and Cardiovascular Center, Division of Pediatric Cardiology, Osaka, Japan
| | - M Nagashima
- Aichi Saiseikai Rehabilitation Hospital, Nagoya, Japan
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Muraji S, Sumitomo N, Imamura T, Yasuda K, Nishihara E, Iwamoto M, Tateno S, Doi S, Hata T, Kogaki S, Horigome H, Ohno S, Ichida F, Nagashima M, Yoshinaga M. P4654Clinical and electrocardiographic features of restrictive cardiomyopathy in children. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1036] [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
Introduction
Restrictive cardiomyopathy (RCM) is a rare myocardial disease with an impaired diastolic function and poor prognosis. The mean survival duration after a diagnosis of RCM is reported to be around 2 years in children and most need heart transplantations.
Purpose
This study aimed to determine the 12-lead electrocardiogram (ECG) diagnostic criteria of RCM based on the initial diagnostic electrocardiogram.
Methods
ECGs in pediatric cardiomyopathy patients were collected from 15 institutes in Japan between 1979 and 2013. We compared the ECG findings, especially of the P wave, in RCM patients between the cardiomyopathy group and healthy children group separately for each gender and the age. The ECGs in the healthy group were obtained from school heart screening in Japan of first-graders, and seventh-graders. Statistical significance was determined as p<0.001.
Results
Among 376 registered cardiomyopathy patients, 63 had hypertrophic cardiomyopathy (HCM) (36%), 91 (24%) dilated cardiomyopathy (DCM), 106 (28%) a left ventricular myocardial noncompaction (LVNCs), 25 (7%) restrictive cardiomyopathy (RCM), 14 (4%) arrhythmogenic right ventricular cardiomyopathy (ARVC), and 5 (1%) other cardiomyopathies. Of the 25 RCM patients (9.9±3.4 years old, F:M=11:14), 36% were discovered during school heart screening. The first onset was an abnormal ECG in 9, symptoms of heart failure in 6, respiratory tract infections in 3, syncope in 1, and 6 with other. Of those patients, 2 (8%) had a family history of RCM, 24 (92%) no family history. A genetic diagnosis was performed in 5 of the 25 cases, and 3 had genetic abnormalities related to RCM. The mean follow-up period was 65±95 months (mean±standard deviation). During follow up, 19 patients (76%) survived, 6 (24%) died, 7 (28%) had heart transplantations, and 3 (12%) were waiting for heart transplantations with a left ventricular assist device.
The P wave was bimodal in lead I or biphasic in lead V1 in 15 patients (93%), and 13 (81%) patients had both variations. We evaluated the duration and amplitude of the first and second component of the P wave as P1 and P2. The number of control and RCM patients (control/RCM), duration of P1+P2, and sum total absolute value of the amplitude of P1+P2 in lead V1 were 8350/5, 90±9/116±10ms, and 72±28/528±278μV in first grade boys, 8423/3, 91±10/120±22ms, and 66±28/326±229μV in first grade girls, 8943/1, 97±1/100ms, and 71±31/328μV in seventh grade boys, and 9183/5, 98±11/112±10ms, and 55±27/315±56μV in seventh grade girls. Although the number of patients in the RCM group was small, sum total absolute value of the amplitude of P1+P2 in lead V1 showed a significant difference in any group.
Conclusion
The ECG in children with RCM exhibits P wave abnormalities in almost all patients. In particular, not the P wave interval but P wave shape in I and V1 and the sum total absolute value of the amplitude of P1+P2 in lead V1 were observed differences.
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Affiliation(s)
- S Muraji
- Saitama International Medical Center, Pediatric cardiology, Hidaka, Japan
| | - N Sumitomo
- Saitama International Medical Center, Pediatric cardiology, Hidaka, Japan
| | - T Imamura
- Saitama International Medical Center, Pediatric cardiology, Hidaka, Japan
| | - K Yasuda
- Aichi Children's Medical Center, Cardiology, Obu, Japan
| | - E Nishihara
- Ogaki Municipal Hospital, Pediatric Cardiology, Ogaki, Japan
| | - M Iwamoto
- Saiseikai Yokohama City Eastern Hospital, Pediatrics, Yokohama, Japan
| | - S Tateno
- Chiba Cerebral and Cardiovascular Center, Pediatrics, Chiba, Japan
| | - S Doi
- Tokyo Medical and Dental University, Pediatrics, Tokyo, Japan
| | - T Hata
- Fujita Health University, Toyoake, Japan
| | - S Kogaki
- Osaka General Medical Center, Pediatrics, Osaka, Japan
| | - H Horigome
- Ibaraki Children's Hospital, Pediatric Cardiology, Mito, Japan
| | - S Ohno
- National Cerebral and Cardiovascular Center, Bioscience and Genetics, Osaka, Japan
| | - F Ichida
- University of Toyama, Toyama, Japan
| | - M Nagashima
- Aichi Saiseikai Rehabilitation Hospital, Nagoya, Japan
| | - M Yoshinaga
- National Hospital Organization Kagoshima Medical Center, Pediatrics, Kagoshima, Japan
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18
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Matsubara H, Kinjo Y, Fukugaki A, Iwamoto M, Ohara K, Ishino Y, Ochi S, Matsumoto T, Matsushita T, Satoh S. A Novel Three-Step Approach for Secure Splenectomy During Laparoscopic Total Gastrectomy for Gastric Cancer. J Gastrointest Surg 2019; 23:1082-1083. [PMID: 30367398 DOI: 10.1007/s11605-018-4010-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 10/09/2018] [Indexed: 01/31/2023]
Abstract
BACKGROUND Splenectomy during total gastrectomy increases operative morbidity (Nakata et al. in Surgical endoscopy 7:1817-1822, 2015). Establishing a safe approach to laparoscopic splenectomy is one of the most urgent issues in the treatment of proximal advanced gastric cancer, which invades to the greater curvature (Kawamura et al. in Gastric Cancer 3:662-668, 2015). We developed a novel three-step procedure for splenectomy during laparoscopic total gastrectomy (LTG). METHODS Splenectomy consisted of three steps. Step 1 (dorsal approach): The pancreatic tail and spleen were mobilized. This step delineates the dissection plane and the anatomy around the pancreatic tail. Step 2 (suprapancreatic approach): The suprapancreatic peritoneum was incised to fenestrate to the mobilized space. The no. 11d station was dissected. The inferior branch of the splenic artery was exposed. Step 3 (splenic hilum approach): The spleen was lifted up to straighten the splenic hilum. The aim was to prolong the splenic vasculature and enable the surgeon to transect splenic vasculatures easily despite their anatomical diversity. Division of the splenic branches promotes mobility of the pancreatic tail, enabling precise dissection and preservation of its blood supply. RESULTS Of 45 patients with gastric cancer who underwent LTG, seven underwent concurrent splenectomy. In all cases, splenectomy was successfully accomplished. The median operation time, duration of splenectomy, blood loss, number of total retrieved lymph nodes, lymph node counts from stations 10 and 11d, and drain amylase levels on the third postoperative day were 382 min, 94 min, 30 ml, 51, 5, 5, and 158 IU/L, respectively. Postoperative morbidity more severe than Clavien-Dindo grade 2 occurred in one case, with no pancreas-related morbidity. No mortality or conversion occurred. CONCLUSIONS This laparoscopic procedure allows adequate nodal dissection and safe splenectomy.
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Affiliation(s)
- Hiroyuki Matsubara
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan.
| | - Yousuke Kinjo
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Atsushi Fukugaki
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Masayoshi Iwamoto
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Kazuhiro Ohara
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Yoshito Ishino
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Shingo Ochi
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Takuya Matsumoto
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Takakazu Matsushita
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
| | - Seiji Satoh
- Department of Gastroenterological Surgery and Oncology, Himeji Medical Center, 68 Honmachi, Himeji City, Hyogo, 670-8520, Japan
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19
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Iwamoto M, Matsutani A, Nishida M, Hirata A, Tominaga T, Fujioka H, Kimura K. Identification of sentinel lymph nodes using the near infrared light camera system LIGHTVISION. Breast 2019. [DOI: 10.1016/s0960-9776(19)30388-1] [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: 10/27/2022] Open
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20
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Tanaka K, Okamura A, Iwamoto M, Nagai H, Yamasaki T, Sumiyoshi A, Tanaka T, Iwakura A, Fuzii K. P797Efficacy of the three dimensional wiring technique for CTO. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p797] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - A Okamura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - M Iwamoto
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - H Nagai
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - T Yamasaki
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - A Sumiyoshi
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - T Tanaka
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - A Iwakura
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
| | - K Fuzii
- Sakurabashi-Watanabe Hospital, Cardiovascular Center, Osaka, Japan
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21
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Maruyama A, Nagashima T, Iwamoto M, Minota S. Clinical characteristics of lupus enteritis in Japanese patients: the large intestine-dominant type has features of intestinal pseudo-obstruction. Lupus 2018; 27:1661-1669. [PMID: 30028259 DOI: 10.1177/0961203318785770] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study was performed to investigate the clinical characteristics of lupus enteritis in Japanese patients with systemic lupus erythematosus (SLE). A total of 481 patients with SLE admitted to our hospital between 2001 and 2015 were retrospectively reviewed. Diagnosis of lupus enteritis was based on the following three criteria: (1) abdominal symptoms, (2) diffuse long-segment bowel thickening and (3) a requirement for glucocorticoid therapy. Lupus enteritis was identified in 17 patients (3.5%) and there were two distinct types: small intestine-dominant and large intestine-dominant. Significant differences between the two types were noted with respect to the age, frequency of biopsy-proven lupus nephritis, frequency of rectal involvement, maximum bowel wall thickness, and requirement for steroid pulse therapy. Among patients with large intestine-dominant lupus enteritis, 60% had extra-intestinal symptoms (hydroureter, bladder wall thickening, and bile duct dilatation) that are known complications of intestinal pseudo-obstruction. Two patients with large intestine-dominant lupus enteritis developed intestinal pseudo-obstruction either before or after diagnosis of lupus enteritis. Five patients (29%) developed recurrence during a median observation period of 7.2 years (1.4-14.4 years). In conclusion, large intestine-dominant lupus enteritis resembles intestinal pseudo-obstruction and these two diseases may have a common pathogenesis.
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Affiliation(s)
- A Maruyama
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - T Nagashima
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - M Iwamoto
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University, Shimotsuke, Japan
| | - S Minota
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University, Shimotsuke, Japan
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22
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Wilson EC, Turner C, Arayasirikul S, Woods T, Nguyen T, Lin R, Franza K, Tryon J, Nemoto T, Iwamoto M. Housing and income effects on HIV-related health outcomes in the San Francisco Bay Area - findings from the SPNS transwomen of color initiative. AIDS Care 2018; 30:1356-1359. [PMID: 29920118 DOI: 10.1080/09540121.2018.1489102] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [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: 10/28/2022]
Abstract
Transwomen of color are disproportionately impacted by HIV and may have worse health outcomes than other populations. This analysis was conducted to examine structural factors associated with poor health outcomes among transwomen of color living with HIV in the San Francisco Bay Area (N = 159). Univariate and multivariable analyses were conducted to determine if structural factors were associated with poor HIV-related health outcomes. A majority of participants were Black or African American (110/159, 69.2%), 32 (20.1%) identified their primary race/ethnicity as Hispanic or Latino/a or Spanish, and 17 (10.7%) identified as another race/ethnicity. Transwomen of color in our sample faced extreme structural barriers, including residential transience, extreme low income, high prevalence of running out of money in the last six months, high rates of food insecurity, high prevalence of income via entitlement programs, engagement in sex work and other illicit activities for income. Unstable housing was the structural factor most consistently associated with poor health outcomes along the HIV care continuum and may explain engagement in other sources of income generation. Interventions are needed that go beyond the individual and health care-level to address needs for housing and economic opportunities to improve HIV care outcomes among transwomen of color living with HIV in the San Francisco Bay Area.
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Affiliation(s)
- E C Wilson
- a Center for Public Health Research, San Francisco Department of Public Health , San Francisco , California , USA
| | - C Turner
- a Center for Public Health Research, San Francisco Department of Public Health , San Francisco , California , USA
| | - S Arayasirikul
- a Center for Public Health Research, San Francisco Department of Public Health , San Francisco , California , USA
| | - T Woods
- b Brandy Martell Project, TransVision program, Tri City Health Center
| | - T Nguyen
- b Brandy Martell Project, TransVision program, Tri City Health Center
| | - R Lin
- a Center for Public Health Research, San Francisco Department of Public Health , San Francisco , California , USA
| | - K Franza
- c TransAccess Program, Asian and Pacific Islander Wellness Center and San Francisco Department of Public Health
| | - J Tryon
- c TransAccess Program, Asian and Pacific Islander Wellness Center and San Francisco Department of Public Health
| | - T Nemoto
- d Butterfly Nest, Public Health International
| | - M Iwamoto
- d Butterfly Nest, Public Health International
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23
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Kanegae K, Hiroshige K, Suda T, Iwamoto M, Ohta T, Nakashima Y, Ohtani A. Pharmacokinetics of Bisoprolol and Its Effect on Dialysis Refractory Hypertension. Int J Artif Organs 2018. [DOI: 10.1177/039139889902201204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The efficacy, safety, and pharmacokinetics of bisoprolol were investigated following oral administration once daily for 12 weeks in hyperreninemic patients with dialysis-refractory hypertension. Mean blood pressure rapidly fell from 132 to 112 mmHg in the 5.0-mg/day (n = 6) and from 142 to 128 mmHg in the 2.5-mg/day patients (n = 5), which were accompanied by a fall in plasma renin activity. On nondialysis days, Cmax and T1/2 were significantly higher in patients than in healthy control subjects. However, Cmax in the 2.5-mg/day patients was almost equal to that in healthy control subjects receiving 5.0 mg/day of bisoprolol. Plasma bisoprolol was dialyzable. During the course of the study, dialysis hypotension and bradycardia occurred in two patients receiving 5.0 mg/day of bisoprolol. In conclusion, a daily dose of 2.5 mg bisoprolol seems to be an adequate and relatively effective dose in our patients with dialysis-refractory hypertension.
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Affiliation(s)
- K. Kanegae
- Second Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Fukuoka
| | - K. Hiroshige
- Renal Division, Social Insurance Chikuho Hospital, Fukuoka - Japan
| | - T. Suda
- Second Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Fukuoka
| | - M. Iwamoto
- Second Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Fukuoka
| | - T. Ohta
- Second Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Fukuoka
| | - Y. Nakashima
- Second Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Fukuoka
| | - A. Ohtani
- Renal Division, Social Insurance Chikuho Hospital, Fukuoka - Japan
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24
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Affiliation(s)
- K. Hiroshige
- Second Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu City, Fukuoka
| | - M. Iwamoto
- Second Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu City, Fukuoka
| | - A. Ohtani
- Social and Insurance Chikuho Hospital, Nougata City, Fukuoka - Japan
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25
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Kinjo Y, Satoh S, Ochi S, Matsubara H, Fukugaki A, Ohara K, Iwamoto M, Matsumoto T, Matsushita T, Wada Y. Laparoscopic transhiatal lymphadenectomy in the lower mediastinum for adenocarcinoma of the esophagogastric junction. Int Cancer Conf J 2018; 7:37-39. [PMID: 31149511 DOI: 10.1007/s13691-018-0318-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 02/05/2018] [Indexed: 11/25/2022] Open
Abstract
Laparoscopic transhiatal esophagogastrectomy is difficult because the lower mediastinum is so deeply located that the operative field is narrow and restricted by surrounding organs. Therefore, we performed lymphadenectomy with opening of the bilateral mediastinal pleura to maintain safety and obtain better exposure of lymph nodes and important organs. We will present our technique for laparoscopic lower mediastinal lymphadenectomy and reconstruction for cancer of the esophagogastric junction. Five abdominal ports were used. Retraction of the left lobe of the liver exposed the esophageal hiatus. A long, narrow gastric tube (3 cm wide) was formed, and regional abdominal lymph nodes (No. 1, 2, 3a, 7, 8a, 9, 19, and 20) were resected. The diaphragmatic hiatus was widely split and the opened bilateral mediastinal pleura enabled better exposure for lymph node dissection and reconstruction. The level where the inferior vena cava passed through the diaphragm into the chest was used as a landmark to identify supradiaphragmatic (No. 111) and lower thoracic paraesophageal nodes (No. 110), which were completely retrieved with this procedure. The posterior mediastinal nodes (No. 112pulR, 112pulL, and 112aoA) were also retrieved with bilateral opening of the mediastinal pleura and dissection of the inferior pulmonary ligaments. An esophagogastric tube anastomosis with pseudo-fornix was made with a no-knife linear stapler to prevent postoperative reflux esophagitis. This approach enabled safe and accurate laparoscopic lower mediastinal nodal dissection. With the advantage of a narrow gastric tube, the good working space made tension-free anastomosis possible.
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Affiliation(s)
- Yousuke Kinjo
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Seiji Satoh
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Shingo Ochi
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Hiroyuki Matsubara
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Atsushi Fukugaki
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Kazuhiro Ohara
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Takuya Matsumoto
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Takakazu Matsushita
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
| | - Yasuo Wada
- Department of Surgery, Himeji Medical Center, 68 Honmachi, Himeji, Hyogo 670-8520 Japan
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26
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Yamaguchi M, Nakayama T, Yoshinami T, Ikeda M, Iwamoto M, Komoike Y, Takashima T, Tsurutani J, Yoshidome K, Yamada T, Morita S, Masuda N. Abstract OT2-06-02: A randomized phase II study of maintenance hormone therapy with or without capecitabine after induction therapy with bevacizumab plus paclitaxel in hormone receptor positive and HER2 negative metastatic breast cancer (KBCSG-TR1214). Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-ot2-06-02] [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: 11/16/2022]
Abstract
Abstract
Background: The combination therapy of Bevacizumab (B) and Paclitaxel (P) has proved to prolong progression free survival (PFS) in E2100 and MERiDiAN study for advanced and metastatic breast cancer(AMBC). Because of its longer PFS, developing optimal therapeutic strategy of B+P to improve survival, including management of toxicity is crucial. From the International Consensus Conference for Advanced Breast Cancer, most experts agreed the maintenance endocrine therapy after effective induction chemotherapy in AMBC. In KBCSG-TR 1214 study, we planned to examine the following clinical questions. 1. As a maintenance therapy, which is more effective either endocrine therapy alone (E) or endocrine therapy with capecitabine (E+C)? 2. Can maintenance therapy reduce toxicity of B+P and restore patient's QOL.? 3. How effective is B+P re-challenge after failure of maintenance therapy?
Methods: KBCSG-TR 1214 study is multicenter open-labeled randomized phase II trial for hormone receptor (HR)-positive and HER2-nagative patientswho have experienced none or one prior chemotherapy for AMBC. Patients will receive B (10mg/kg q2w) in combination with P (90mg/m2 on day 1, 8, and 15 q4w) as an induction therapy. Patients without progression after 6 cycles of B+P will be randomized to E or E+C. Endocrine treatment has been administrated by their physician's choice. Patients in E+C will receive endocrine therapy with capecitabine 1657mg/m2 on day1 to 21 q4w. Stratification factors for randomization are menopausal status, presence of target lesion, number of prior endocrine therapies for AMBC, with or without 1st line chemotherapy for AMBC. After progression of maintenance therapy (E or E+C), B+P will be started again as a re-challenge therapy. Primary end point is PFS of maintenance therapy. Secondary end points include time to failure of strategy from randomization, efficacy of re-challenge therapy, overall survival and safety of induction therapy. Translational research is also planned. VEGF, angiopoetin-1, and apelin in plasma will be measured at four points (before induction therapy, at the beginning of the maintenance therapy and the re-induction therapy, and at the end of the trial). The sample size was calculated by typeIerror (1-sided) of 0.05 and 80% power to estimate median PFS of each maintenance therapy 9 months with a threshold of 6 months. The target number of patients enrolled and randomized after induction therapy was 120 and 90, respectively.
Enrollment has been completed with 116 patients as of April, 2016 and 90 patients had been successful to shift to the maintenance phase with randomization. The last patient had been randomized on October, 2016. The first analysis will be planned during the second quarter of 2018 (UMIN000008662).
Citation Format: Yamaguchi M, Nakayama T, Yoshinami T, Ikeda M, Iwamoto M, Komoike Y, Takashima T, Tsurutani J, Yoshidome K, Yamada T, Morita S, Masuda N. A randomized phase II study of maintenance hormone therapy with or without capecitabine after induction therapy with bevacizumab plus paclitaxel in hormone receptor positive and HER2 negative metastatic breast cancer (KBCSG-TR1214) [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr OT2-06-02.
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Affiliation(s)
- M Yamaguchi
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - T Nakayama
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - T Yoshinami
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - M Ikeda
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - M Iwamoto
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - Y Komoike
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - T Takashima
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - J Tsurutani
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - K Yoshidome
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - T Yamada
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - S Morita
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
| | - N Masuda
- JCHO Kurume General Hospital, Kurume, Fukuoka, Japan; Osaka International Cancer Institute, Osaka, Japan; Osaka University Graduate School of Medicine, Suita, Osaka, Japan; Fukuyama City Hospital, Fukuyama, Hiroshima, Japan; Osaka Medical College, Takatsuki, Osaka, Japan; Kindai University Faculty of Medicine, Osaka-sayama, Japan; Osaka City University Graduate School of Medicine, Osaka, Japan; Osaka Police Hospital, Osaka, Japan; Osaka University Hospital, Suita, Osaka, Japan; Kyoto University Graduate School of Medicine, Kyoto, Japan; NHO Osaka National Hospital, Osaka, Japan
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Iwamoto M, Fujioka H, Kimura K, Uchiyama K, Terasawa R. Clinical features and outcomes of reversible posterior encephalopathy syndrome following bevacizumab treatment. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx383.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Iwamoto M, Kawada K, Hida K, Hasegawa S, Sakai Y. Delayed anastomotic leakage following laparoscopic intersphincteric resection for lower rectal cancer: report of four cases and literature review. World J Surg Oncol 2017; 15:143. [PMID: 28764707 PMCID: PMC5540460 DOI: 10.1186/s12957-017-1208-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 07/22/2017] [Indexed: 12/26/2022] Open
Abstract
Background Anastomotic leakage (AL) is one of the most dreadful postoperative complications because it can result in increased morbidity and mortality as well as poorer long-term prognosis. Although most studies of AL limited their investigation time to a period of 30 days postoperatively, only a few studies have shown that AL can occur after that period. Here, we report four patients of rectal cancer with delayed AL following laparoscopic intersphincteric resection (ISR) and conduct a literature review on delayed AL. Case presentation Case 1 was a 67-year-old male who underwent laparoscopic partial ISR in July 2009. Although the patient was asymptomatic, an anastomotic-urethral fistula was observed 57 months after ISR. Case 2 was a 44-year-old female who underwent laparoscopic partial ISR in July 2008. She presented with discharge of gas and feces from her vagina, and an anastomotic-vaginal fistula was observed 14 months after ISR. Case 3 was a 74-year-old man who underwent laparoscopic partial ISR in August 2007. He presented with pneumaturia and fecaluria, and an anastomotic-urethral fistula was observed 4 months after ISR. Case 4 was a 68-year-old woman who underwent laparoscopic subtotal ISR for rectal cancer in February 2013 and partial hepatic resection for liver metastases in March 2013. She presented with anal pain and purulent perineal discharge, and an anastomotic-perineal fistula was observed 9 months after ISR. All four cases presented with fistula formation and required reoperation (establishment of a diverting ileostomy). Conclusions Since delayed AL is not a rare postoperative complication, surgeons need to provide long-term follow-up and remain alert to the possible development of delayed AL.
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Affiliation(s)
- Masayoshi Iwamoto
- Department of Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.,Department of Surgery, National Hospital Organization Himeji Medical Center, Himeji, Japan
| | - Kenji Kawada
- Department of Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Koya Hida
- Department of Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Suguru Hasegawa
- Department of Gastroenterological Surgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto, 606-8507, Japan
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29
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Yoshinaga M, Iwamoto M, Horigome H, Sumitomo N, Ushinohama H, Izumida N, Tauchi N, Yoneyama T, Abe K, Nagashima M. P6374Standard values and characteristics of electrocardiographic findings in children and adolescents. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6374] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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30
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Feng HP, Vaddady P, Guo Z, Liu F, Panebianco D, Levine V, Caro L, Butterton JR, Iwamoto M, Yeh WW. No Pharmacokinetic Interaction Between the Hepatitis C Virus Inhibitors Elbasvir/Grazoprevir and Famotidine or Pantoprazole. Clin Transl Sci 2017. [PMID: 28625018 PMCID: PMC5593162 DOI: 10.1111/cts.12465] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Use of agents to suppress gastric acid secretion is common among patients with hepatitis C virus (HCV) infection. The aims of this open‐label, three‐period, fixed‐sequence study were to evaluate the effect of famotidine and pantoprazole on the pharmacokinetics and safety of elbasvir/grazoprevir fixed‐dose combination (FDC) in 16 healthy subjects. Elbasvir and grazoprevir each exhibited similar pharmacokinetics following single‐dose administration of elbasvir/grazoprevir with or without famotidine or pantoprazole. Geometric mean ratios (GMRs) of grazoprevir AUC(0,∞), Cmax, and C24 (elbasvir/grazoprevir + famotidine or elbasvir/grazoprevir + pantoprazole vs. elbasvir/grazoprevir) ranged from 0.89–1.17. Similarly, GMRs of elbasvir AUC(0,∞), Cmax, and C24 (elbasvir/grazoprevir + famotidine or elbasvir/grazoprevir + pantoprazole vs. elbasvir/grazoprevir) ranged from 1.02–1.11. These results indicate that gastric acid‐reducing agents do not modify the pharmacokinetics of elbasvir or grazoprevir in a clinically relevant manner and may be coadministered with elbasvir/grazoprevir in HCV‐infected patients without restriction.
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Affiliation(s)
- H-P Feng
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - P Vaddady
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - Z Guo
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - F Liu
- Merck & Co., Inc., Kenilworth, NJ, USA
| | | | - V Levine
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - L Caro
- Merck & Co., Inc., Kenilworth, NJ, USA
| | | | - M Iwamoto
- Merck & Co., Inc., Kenilworth, NJ, USA
| | - W W Yeh
- Merck & Co., Inc., Kenilworth, NJ, USA
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Nakashima Y, Sakamoto M, Takeda H, Ichimura K, Hosoda Y, Iwamoto M, Shimizu K, Hosoi K, Oki K, Yoshikawa M, Hirata M, Ikezoe R, Imai T, Kariya T, Katanuma I, Kohagura J, Minami R, Numakura T, Wang X, Ichimura M. Recent Results of Divertor Simulation Experiments Using D-Module in the GAMMA 10/PDX Tandem Mirror. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-882] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Y. Nakashima
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Sakamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - H. Takeda
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Hosoda
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Iwamoto
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Shimizu
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Hosoi
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Oki
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Hirata
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - R. Ikezoe
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Imai
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Kariya
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - I. Katanuma
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - J. Kohagura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - R. Minami
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Numakura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - X. Wang
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Tsukuba, Ibaraki 305-8577, Japan
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Shimizu K, Nakashima Y, Hosoda Y, Ichimura K, Takeda H, Iwamoto M, Oki K, Sakamoto M, Imai T, Ichimura M. Spectroscopic Measurements in the Experiments of Gas Injection to the Divertor Simulation Experimental Module of GAMMA 10/PDX. Fusion Science and Technology 2017. [DOI: 10.13182/fst14-881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Shimizu
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - Y. Nakashima
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - Y. Hosoda
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - K. Ichimura
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - H. Takeda
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - M. Iwamoto
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - K. Oki
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - M. Sakamoto
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - T. Imai
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, Ibaraki 305-8577, Japan
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Iwamoto M, Kawaguchi K, Terasawa R, Fujioka H, Kimura K, Uchiyama K. Eribulin improved overall Survival in patients with HER-2 negative metastatic breast cancer–comparison to bevacizumab plus paclitaxel-. Breast 2017. [DOI: 10.1016/s0960-9776(17)30224-2] [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: 11/25/2022] Open
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34
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Iwamoto M, Tanaka S, Koda C, Kawaguchi K, Terasawa R, Sato N, Fujioka H, Kimura K, Uchiyama K. Abstract OT1-02-01: Phase II neoadjuvant trial of nanoparticle almumin-bound paclitaxel and trastuzumab in patients with node-negative, Her-2 positive breast cancer (OMC-BC04). Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-ot1-02-01] [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: 11/16/2022]
Abstract
Abstract
Background: Neoadjuvant chemotherapy plus trastuzumab results in a 30% to 50% pathologic complete response (pCR) rate in HER-2 positive breast cancer and has been associated with improved therapeutic outcomes. Thus, the pCR rate can be useful in evaluating novel agents in this patient population. Albumin-bound (nab)-paclitaxel can reduce the toxicity of Paclitaxel while maintaining its efficacy. We reported that neoadjuvant therapy using Anthracycline based regimens (EC,AC,FEC) followed by a combination with nab-Paclitaxel and Trastuzumab was effective and safe by OMC-BC01 Study (Tanaka et al. Clin Breast Cancer 15:191-196). The pCR rate was 36% and 71% in the patients with estrogen receptor-positive and negative cancer, respectively. In addition, Tolaney et al. showed that adjuvant Paclitaxel and Trastuzumab for node-negative, HER-2 positive tumors measuring up to 3 cm in greatest dimension was associated with patients outcomes that were better than expected on the basis of historical data (Tolaney et al. N Engl J MED.2015 Jan 8:372(2):134-141). We conducted a clinical Phase II, multicenter, neoadjuvant trial of combination with nanoparticle albumin-bound Paclitaxel and Trastuzumab in patients with node-negative, Her-2 positive, estrogen receptor-negative breast cancer measuring up to 3 cm in greatest dimension.
Patients and Methods: nab-Paclitaxel and Trastuzumab as neoadjuvant therapy in patients with Her-2 positive, node-negative, estrogen receptor-negative breast cancer measuring up to 3 cm in greatest dimension. Patients are treated with neoadjuvant nab-Paclitaxel (260mg/m2) and Trastuzumab q21d x 4, and undergo surgery 4-6 weeks later from completing chemotherapy. The primary endpoint, pCR is defined as no evidence of invasive tumors in the final surgical sample both in the breast and axillary lymph nodes. Secondary endpoints include objective clinical response rate, histological response rate, disease-free interval, rate of breast conserving surgery, and the safety of the treatment.
Accrual: Presently, a total number of 1 patient have been included since start of the study. The expected end of accrual of 30 patients will be the last quarter 2018.
Citation Format: Iwamoto M, Tanaka S, Koda C, Kawaguchi K, Terasawa R, Sato N, Fujioka H, Kimura K, Uchiyama K. Phase II neoadjuvant trial of nanoparticle almumin-bound paclitaxel and trastuzumab in patients with node-negative, Her-2 positive breast cancer (OMC-BC04) [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr OT1-02-01.
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Affiliation(s)
- M Iwamoto
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - S Tanaka
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - C Koda
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - K Kawaguchi
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - R Terasawa
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - N Sato
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - H Fujioka
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - K Kimura
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
| | - K Uchiyama
- Osaka Medical College, Osaka, Japan; Osaka Minami Medical Center, Osaka, Japan
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Chauhan AK, Gupta SK, Taguchi D, Manaka T, Jha P, Veerender P, Sridevi C, Koiry SP, Gadkari SC, Iwamoto M. Enhancement of the carrier mobility of conducting polymers by formation of their graphene composites. RSC Adv 2017. [DOI: 10.1039/c6ra26195g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Improved carrier mobility and solar cell performance in graphene composites of conducting polymers is demonstrated and analyzed.
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Affiliation(s)
- A. K. Chauhan
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - S. K. Gupta
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - D. Taguchi
- Department of Physical Electronics
- Tokyo Institute of Technology
- Tokyo
- Japan
| | - T. Manaka
- Department of Physical Electronics
- Tokyo Institute of Technology
- Tokyo
- Japan
| | - P. Jha
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - P. Veerender
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - C. Sridevi
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - S. P. Koiry
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - S. C. Gadkari
- Technical Physics Division
- Bhabha Atomic Research Centre
- Mumbai
- 400085 India
| | - M. Iwamoto
- Department of Physical Electronics
- Tokyo Institute of Technology
- Tokyo
- Japan
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Kawada K, Iwamoto M, Sakai Y. Mechanisms underlying 18F-fluorodeoxyglucose accumulation in colorectal cancer. World J Radiol 2016; 8:880-886. [PMID: 27928469 PMCID: PMC5120247 DOI: 10.4329/wjr.v8.i11.880] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 08/08/2016] [Accepted: 09/18/2016] [Indexed: 02/06/2023] Open
Abstract
Positron emission tomography (PET) with 18F-fluorodeoxyglucose (FDG) is a diagnostic tool to evaluate metabolic activity by measuring accumulation of FDG, an analogue of glucose, and has been widely used for detecting small tumors, monitoring treatment response and predicting patients’ prognosis in a variety of cancers. However, the molecular mechanism of FDG accumulation into tumors remains to be investigated. It is well-known that most cancers are metabolically active with elevated glucose metabolism, a phenomenon known as the Warburg effect. The underlying mechanisms for elevated glucose metabolism in cancer tissues are complex. Recent reports have indicated the potential of FDG-PET/CT scans in predicting mutational status (e.g., KRAS gene mutation) of colorectal cancer (CRC), which suggests that FDG-PET/CT scans may play a key role in determining therapeutic strategies by non-invasively predicting treatment response to anti-epidermal growth factor receptor (EGFR) therapy. In this review, we summarize the current findings investigating the molecular mechanism of 18F-FDG accumulation in CRC.
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Toda K, Kawada K, Iwamoto M, Inamoto S, Sasazuki T, Shirasawa S, Hasegawa S, Sakai Y. Metabolic Alterations Caused by KRAS Mutations in Colorectal Cancer Contribute to Cell Adaptation to Glutamine Depletion by Upregulation of Asparagine Synthetase. Neoplasia 2016; 18:654-665. [PMID: 27764698 PMCID: PMC5071549 DOI: 10.1016/j.neo.2016.09.004] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 09/23/2016] [Accepted: 09/26/2016] [Indexed: 12/28/2022] Open
Abstract
A number of clinical trials have shown that KRAS mutations of colorectal cancer (CRC) can predict a lack of responses to anti-epidermal growth factor receptor-based therapy. Recently, there have been several studies to elucidate metabolism reprogramming in cancer. However, it remains to be investigated how mutated KRAS can coordinate the metabolic shift to sustain CRC tumor growth. In this study, we found that KRAS mutation in CRC caused alteration in amino acid metabolism. KRAS mutation causes a marked decrease in aspartate level and an increase in asparagine level in CRC. Using several human CRC cell lines and clinical specimens of primary CRC, we demonstrated that the expression of asparagine synthetase (ASNS), an enzyme that synthesizes asparagine from aspartate, was upregulated by mutated KRAS and that ASNS expression was induced by KRAS-activated signaling pathway, in particular PI3K-AKT-mTOR pathway. Importantly, we demonstrated that KRAS-mutant CRC cells could become adaptive to glutamine depletion through asparagine biosynthesis by ASNS and that asparagine addition could rescue the inhibited growth and viability of cells grown under the glutamine-free condition in vitro. Notably, a pronounced growth suppression of KRAS-mutant CRC was observed upon ASNS knockdown in vivo. Furthermore, combination of L-asparaginase plus rapamycin markedly suppressed the growth of KRAS-mutant CRC xenografts in vivo, whereas either L-asparaginase or rapamycin alone was not effective. These results indicate ASNS might be a novel therapeutic target against CRCs with mutated KRAS.
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Affiliation(s)
- Kosuke Toda
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Kenji Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan.
| | - Masayoshi Iwamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Susumu Inamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | | | - Senji Shirasawa
- Departments of Cell Biology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Suguru Hasegawa
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan; Gastroenterological Surgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
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Velasquez T, Mackey G, Lusk J, Kyle UG, Fontenot T, Marshall P, Shekerdemian LS, Coss-Bu JA, Nishigaki A, Yatabe T, Tamura T, Yamashita K, Yokoyama M, Ruiz-Rodriguez JC, Encina B, Belmonte R, Troncoso I, Tormos P, Riveiro M, Baena J, Sanchez A, Bañeras J, Cordón J, Duran N, Ruiz A, Caballero J, Nuvials X, Riera J, Serra J, Rutten AMF, van Ieperen SNM, Der Kinderen EPHM, Van Logten T, Kovacikova L, Skrak P, Zahorec M, Kyle UG, Akcan-Arikan A, Silva JC, Mackey G, Lusk J, Goldsworthy M, Shekerdemian LS, Coss-Bu JA, Wood D, Harrison D, Parslow R, Davis P, Pappachan J, Goodwin S, Ramnarayan P, Chernyshuk S, Yemets H, Zhovnir V, Pulitano’ SM, De Rosa S, Mancino A, Villa G, Tosi F, Franchi P, Conti G, Patel B, Khine H, Shah A, Sung D, Singer L, Haghbin S, Inaloo S, Serati Z, Idei M, Nomura T, Yamamoto N, Sakai Y, Yoshida T, Matsuda Y, Yamaguchi Y, Takaki S, Yamaguchi O, Goto T, Longani N, Medar S, Abdel-Aal IR, El Adawy AS, Mohammed HMEH, Mohamed AN, Parry SM, Knight LD, Denehy L, De Morton 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González JCM, Hadley JS, Yang JS, Chiang CH, Hung WT, Huang WC, Cheng CC, Lin KC, Lin SC, Chiou KR, Wann SR, Lin KL, Millar M, Kang PL, Mar GY, Liu CP, Zhou JC, Choi YJ, Yoon SZ, Gordillo-Brenes A, Fernandez-Zamora MD, Perez-Borrero L, Arias-Verdu MD, Hall D, Aguilar-Alonso E, Herruzo-Aviles A, Garcia-Delgado M, Hinojosa-Perez R, Curiel-Balsera E, Rivera-Fernandez R, Lesmes SPG, Rosario LEDLC, Hernández AA, Herrera ANG, Hewitt H, Sanz ER, Sánchez MJG, Hualde JB, Pascual OA, León JPT, Irazabal JMG, Pérez AG, Fernández PA, Amor LL, Albaiceta GM, Yasuda H, Lesmes SPG, Rosario LEDLC, Hernández AA, Sanz ER, Sánchez MJG, Calvo SA, Herrera ANG, Hualde JB, Pascual OA, León JPT, Sanui M, Corona A, Ruffini C, Spazzadeschi A, Marrazzo F, Gandola A, Sciurti R, Savi C, Catena E, Ke MW, Cheng CC, Komuro T, Huang WC, Chiang CH, Hung WT, Lin KC, Lin SC, Wann SR, Chiou KR, Tseng CJ, Kang PL, Mar GY, Kawano S, Liu CP, Bertini P, De Sanctis F, Guarracino F, Bertini P, Baldassarri R, Guarracino F, Buitinck SH, van der Voort PHJ, Oto J, Andoh K, Nakataki E, Tsunano Y, Izawa M, Tane N, Onodera M, Nishimura M, Ghosh S, Gupta A, De Gasperi A, Mazza E, Yamamoto H, Limuti R, Prosperi M, Bissenova N, Yergaliyeva A, Talan L, Yılmaz G, Güven G, Yoruk F, Altıntas ND, Mukherjee DN, Noda E, Agarwal LK, Mandal K, Palomar M, Balsera B, Vallverdu M, Martinez M, Garcia M, Castellana D, Lopez R, Barcenilla F, Hatakeyama J, Kaminsky GE, Carreño R, Escribá A, Fuentes M, Gálvez V, Del Olmo R, Nieto B, Vaquerizo C, Alvarez J, De la Torre MA, Saitou N, Torres E, Bogossian E, Nouer SA, Salgado DR, Brugger SC, Jiménez GJ, Torner MM, Vidal MV, Garrido BB, Casals XN, Okamoto H, Gaite FB, Cabello JT, Martínez MP, Doganci M, Izdes S, Besevli SG, Alkan A, Kayaaslan B, Ramírez CS, Balcázar LC, Kobayashi A, Santana MC, Viera MAH, Escalada SH, Vázquez CFL, Penichet SMM, Campelo FA, López MADLC, Santana PS, Santana SR, Repessé X, Takei T, Artiguenave M, Paktoris-Papine S, Espinasse F, Dinh A, El Sayed F, Charron C, Géri G, Vieillard-Baron A, Marmanidou K, Oikonomou M, Matsukubo S, Nouris C, Dimitroulakis K, Soilemezi E, Matamis D, Ferré A, Guillot M, Teboul JL, Lichtenstein D, Mézière G, Richard C, Rotzel HB, Monnet X, Pham T, Beduneau G, Schortgen F, Piquilloud L, Zogheib E, Jonas M, Grelon F, Runge I, Terzi N, Lázaro AS, Grangé S, Barberet G, Guitard PG, Frat JP, Constan A, Chrétien JM, Mancebo J, Mercat A, Richard JCM, Brochard L, Prada DA, Prīdāne S, Sabeļņikovs O, Mojoli F, Orlando A, Bianchi I, Torriglia F, Bianzina S, Pozzi M, Iotti GA, Braschi A, Gimillo MR, Beduneau G, Pham T, Schortgen F, Piquilloud L, Zogheib E, Jonas M, Grelon F, Runge I, Terzi N, Grangé S, Barinas OD, Barberet G, Guitard PG, Frat JP, Constan A, Chrétien JM, Mancebo J, Mercat A, Richard JCM, Brochard L, Kondili E, Cortes MLB, Psarologakis C, Kokkini S, Amargianitakis V, Babalis D, Chytas A, Chouvarda I, Vaporidi K, Georgopoulos D, Trapp O, Kalenka A, Franco JF, Mojoli F, Orlando A, Bianchi I, Torriglia F, Bianzina S, Pozzi M, Iotti GA, Braschi A, Lozano JAB, Sánchez PC, Roca JMS, Francioni JEB, Ferrón FR, Simón JMS, Spadaro S, Karbing DS, Gioia A, Moro F, Corte FD, Mauri T, Volta CA, Carratalá A, Rees SE, Petrova MV, Mohan R, Butrov AV, Beeharry SD, Vatsik MV, Sakieva FI, Gobert F, Yonis H, Tapponnier R, Gonçalves B, Fernandez R, Labaune MA, Burle JF, Barbier J, Vincent B, Cleyet M, Richard JC, Guérin C, Shinotsuka CR, Creteur J, Turon R, Taccone FS, Törnblom S, Nisula S, Vaara S, Poukkanen M, Andersson S, Pettilä V, Pesonen E, Xie Z, Liao X, Mendes A, Kang Y, Zhang J, Kubota K, Egi M, Mizobuchi S, Hegazy S, El-Keraie A, El Sayed E, El Hamid MA, Rodrigues NJ, Miranda F, Pereira M, Godinho I, Gameiro J, Neves M, Gouveia J, e Silva ZC, Lopes JA, Mckinlay J, Kostalas M, Kooner G, Mata PJ, Dudas G, Horton A, Kerr C, Karanjia N, Creagh-Brown B, Forni L, Yamazaki A, Ganuza MS, Molina JAM, Martinez FH, Cavalcanti D, Freile MTC, Fernandez NG, Travieso PM, Bandert A, Frithiof R, Lipcsey M, Smekal D, Schlaepfer P, Durovray JD, Plouhinec V, Melo N, Chiappa C, Bellomo R, Schneider AG, Mitchell S, Durrant J, Street H, Dunthorne E, Shears J, Caballero CH, Hutchison R, Lacerda P, Schwarze S, Ghabina S, Thompson E, Prowle JR, Kirwan CJ, Gonzalez CA, Pinto JL, Orozco V, Patiño JA, Garcia PK, Kurtz P, Contreras KM, Rodriguez P, Echeverri JE, Righy C, Rosario LEDLC, Lesmes SPG, Romero JCG, Herrera ANG, Pertuz EDD, Sánchez MJG, Sanz ER, Hualde JB, Hernández AA, Irazabal JMG, Spatenkova V, Bradac O, Suchomel P, Urli T, Lazzeri EH, Aspide R, Zanello M, Perez-Borrero L, Garcia-Alvarez JM, Arias-Verdu MD, Aguilar-Alonso E, Rivera-Fernandez R, Mora-Ordoñez J, De La Fuente-Martos C, Castillo-Lorente E, Guerrero-Lopez F, Lesmes SPG, Rosario LEDLC, Pertuz EDD, Hernández AA, Romero JCG, Sánchez MJG, Herrera ANG, Ramírez JR, Sanz ER, Hualde JB, León JPT, Navarro-Guillamón L, Cordovilla-Guardia S, Iglesias-Santiago A, Guerrero-López F, Fernández-Mondéjar E, Vidal A, Perez M, Juez A, Arias N, Colino L, Perez JL, Pérez H, Calpe P, Alcala MA, Robaglia D, Perez C, Lan SK, Cunha MM, Moreira T, Santos F, Lafuente E, Fernandes MJ, Silva JG, Rosario LEDLC, Lesmes SPG, Herrera ANG, Romero JCG, Pertuz EDD, Sánchez MJG, Sanz ER, Echeverría JGA, Hernández AA, Hualde JB, Podlepich V, Sokolova E, Alexandrova E, Lapteva K, Kurtz P, Shuinotsuka C, Rabello L, Vianna G, Reis A, Cairus C, Salluh J, Bozza F, Torres JCB, Araujo NJF, García-Olivares P, Keough E, Dalorzo M, Tang LK, De Sousa I, Díaz M, Marcos-Zambrano LJ, Guerrero JE, Gomez SEZ, Lopez GDH, Cuellar AIV, Nieto ORP, Gonzalez JAC, Bhasin D, Rai S, Singh H, Gupta O, Bhattal MK, Sampley S, Sekhri K, Nandha R, Aliaga FA, Olivares F, Appiani F, Farias P, Alberto F, Hernández A, Pons S, Sonneville R, Bouadma L, Neuville M, Mariotte E, Radjou A, Lebut J, Chemam S, Voiriot G, Dilly MP, Mourvillier B, Dorent R, Nataf P, Wolff M, Timsit JF, Ediboglu O, Ataman S, Ozkarakas H, Kirakli C, Vakalos A, Avramidis V, Obukhova O, Kurmukov IA, Kashiya S, Golovnya E, Baikova VN, Ageeva T, Haritydi T, Kulaga EV, Rios-Toro JJ, Perez-Borrero L, Aguilar-Alonso E, Arias-Verdu MD, Garcia-Alvarez JM, Lopez-Caler C, De La Fuente-Martos C, Rodriguez-Fernandez S, Sanchez-Orézzoli MG, Martin-Gallardo F, Nikhilesh J, Joshi V, Villarreal E, Ruiz J, Gordon M, Quinza A, Gimenez J, Piñol M, Castellanos A, Ramirez P, Jeon YD, Jeong WY, Kim MH, Jeong IY, Ahn MY, Ahn JY, Han SH, Choi JY, Song YG, Kim JM, Ku NS, Shah H, Kellner F, Rezai F, Mistry N, Yodice P, Ovnanian V, Fless K, Handler E, Alejos RM, Romeu JDM, Antón DG, Quinart A, Martí AT, Llaurado-Serra M, Lobo-Civico A, Ventura-Rosado A, Piñol-Tena A, Pi-Guerrero M, Paños-Espinosa C, Peralvo-Bernat M, Marine-Vidal J, Gonzalez-Engroba R, Montesinos-Cerro N, Treso-Geira M, Valeiras-Valero A, Martinez-Reyes L, Sandiumenge A, Jimenez-Herrera MF, Helyar S, Riozzi P, Noon A, Hallows G, Cotton H, Keep J, Hopkins PA, Taggu A, Renuka S, Sampath S, Rood PJT, Frenzel T, Verhage R, Bonn M, Pickkers P, van der Hoeven JG, van den Boogaard M, Corradi F, Melnyk L, Moggia F, Pienovi R, Adriano G, Brusasco C, Mariotti L, Lattuada M, Bloomer MJ, Coombs M, Ranse K, Endacott R, Maertens B, Blot K, Blot S, Amerongen MPVN, van der Heiden ES, Twisk JWR, Girbes ARJ, Spijkstra JJ, Riozzi P, Helyar S, Cotton H, Hallows G, Noon A, Bell C, Peters K, Feehan A, Keep J, Hopkins PA, Churchill K, Hawkins K, Brook R, Paver N, Endacott R, Maistry N, van Wijk A, Rouw N, van Galen T, Evelein-Brugman S, Taggu A, Krishna B, Sampath S, Putzu A, Fang M, Berto MB, Belletti A, Cassina T, Cabrini L, Mistry M, Alhamdi Y, Welters I, Abrams ST, Toh CH, Han HS, Gil EM, Lee DS, Park CM, Winder-Rhodes S, Lotay R, Doyle J, Ke MW, Huang WC, Chiang CH, Hung WT, Cheng CC, Lin KC, Lin SC, Chiou KR, Wann SR, Shu CW, Kang PL, Mar GY, Liu CP, Dubó S, Aquevedo A, Jibaja M, Berrutti D, Labra C, Lagos R, García MF, Ramirez V, Tobar M, Picoita F, Peláez C, Carpio D, Alegría L, Hidalgo C, Godoy K, Bakker J, Hernández G, Sadamoto Y, Katabami K, Wada T, Ono Y, Maekawa K, Hayakawa M, Sawamura A, Gando S, Marin-Mateos H, Perez-Vela JL, Garcia-Gigorro R, Peiretti MAC, Lopez-Gude MJ, Chacon-Alves S, Renes-Carreño E, Montejo-González JC, Parlevliet KL, Touw HRW, Beerepoot M, Boer C, Elbers PWG, Tuinman PR, Abdelmonem SA, Helmy TA, El Sayed I, Ghazal S, Akhlagh SH, Masjedi M, Hozhabri K, Kamali E, Zýková I, Paldusová B, Sedlák P, Morman D, Youn AM, Ohta Y, Sakuma M, Bates D, Morimoto T, Su PL, Chang WY, Lin WC, Chen CW, Facchin F, Zarantonello F, Panciera G, De Cassai A, Venrdramin A, Ballin A, Tonetti T, Persona P, Ori C, Del Sorbo L, Rossi S, Vergani G, Cressoni M, Chiumello D, Chiurazzi C, Brioni M, Algieri I, Tonetti T, Guanziroli M, Colombo A, Tomic I, Colombo A, Crimella F, Carlesso E, Gasparovic V, Gattinoni L, Neto AS, Schmidt M, Pham T, Combes A, de Abreu MG, Pelosi P, Schultz MJ, Katira BH, Engelberts D, Giesinger RE, Ackerley C, Yoshida T, Zabini D, Otulakowski G, Post M, Kuebler WM, McNamara PJ, Kavanagh BP, Pirracchio R, Rigon MR, Carone M, Chevret S, Annane D, Eladawy S, El-Hamamsy M, Bazan N, Elgendy M, De Pascale G, Vallecoccia MS, Cutuli SL, Di Gravio V, Pennisi MA, Conti G, Antonelli M, Andreis DT, Khaliq W, Singer M, Hartmann J, Harm S, Carmona SA, Almudevar PM, Abellán AN, Ramos JV, Pérez LP, Valbuena BL, Sanz NM, Simón IF, Arrigo M, Feliot E, Deye N, Cariou A, Guidet B, Jaber S, Leone M, Resche-Rigon M, Baron AV, Legrand M, Gayat E, Mebazaa A, Balik M, Kolnikova I, Maly M, Waldauf P, Tavazzi G, Kristof J, Herpain A, Su F, Post E, Taccone F, Vincent JL, Creteur J, Lee C, Hatib F, Jian Z, Buddi S, Cannesson M, Fileković S, Turel M, Knafelj R, Gorjup V, Stanić R, Gradišek P, Cerović O, Mirković T, Noč M, Tirkkonen J, Hellevuo H, Olkkola KT, Hoppu S, Lin KC, Hung WT, Chiang CC, Huang WC, Juan WC, Lin SC, Cheng CC, Lin PH, Fong KY, Hou DS, Kang PL, Wann SR, Chen YS, Mar GY, Liu CP, Paul M, Bougouin W, Geri G, Dumas F, Champigneulle B, Legriel S, Charpentier J, Mira JP, Sandroni C, Cariou A, Zimmerman J, Sullivan E, Noursadeghi M, Fox B, Sampson D, McHugh L, Yager T, Cermelli S, Seldon T, Bhide S, Brandon RA, Brandon RB, Zwaag J, Beunders R, Pickkers P, Kox M, Gul F, Arslantas MK, Genc D, Zibandah N, Topcu L, Akkoc T, Cinel I, Greco E, Lauretta MP, Andreis DT, Singer M, Garcia IP, Cordero M, Martin AD, Pallás TA, Montero JG, Rey JR, Malo LR, Montoya AAT, Martinez ADCA, Ayala LYD, Zepeda EM, Granillo JF, Sanchez JA, Alejo GC, Cabrera AR, Montenegro AP, Pham T, Beduneau G, Schortgen F, Piquilloud L, Zogheib E, Jonas M, Grelon F, Runge I, Terzi N, Grangé S, Barberet G, Guitard PG, Frat JP, Constan A, Chrétien JM, Mancebo J, Mercat A, Richard JCM, Brochard L, Soilemezi E, Koco E, Savvidou S, Nouris C, Matamis D, Di Mussi R, Spadaro S, Volta CA, Mariani M, Colaprico A, Antonio C, Bruno F, Grasso S, Rodriguez A, Martín-Loeches I, Díaz E, Masclans JR, Gordo F, Solé-Violán J, Bodí M, Avilés-Jurado FX, Trefler S, Magret M, Reyes LF, Marín-Corral J, Yebenes JC, Esteban A, Anzueto A, Aliberti S, Restrepo MI, Larsson JS, Redfors B, Ricksten SE, Haines R, Powell-Tuck J, Leonard H, Ostermann M, Berthelsen RE, Itenov TS, Perner A, Jensen JU, Ibsen M, Jensen AEK, Bestle MH, Bucknall T, Dixon J, Boa F, MacPhee I, Philips BJ, Doyle J, Saadat F, Samuels T, Huddart S, McCormick B, DeBrunnar R, Preece J, Swart M, Peden C, Richardson S, Forni L, Kalfon P, Baumstarck K, Estagnasie P, Geantot MA, Berric A, Simon G, Floccard B, Signouret T, Boucekine M, Fromentin M, Nyunga M, Sossou A, Venot M, Robert R, Follin A, Renault A, Garrouste M, Collange O, Levrat Q, Villard I, Thévenin D, Pottecher J, Patrigeon RG, Revel N, Vigne C, Mimoz O, Auquier P, Pawar S, Jacques T, Deshpande K, Pusapati R, Wood B, Pulham RA, Wray J, Brown K, Pierce C, Nadel S, Ramnarayan P, Azevedo JR, Montenegro WS, Rodrigues DP, Sousa SC, Araujo VF, Leitao AL, Prazeres PH, Mendonca AV, Paula MP, Das Neves A, Loudet CI, Busico M, Vazquez D, Villalba D, Lischinsky A, Veronesi M, Emmerich M, Descotte E, Juliarena A, Bisso MC, Grando M, Tapia A, Camargo M, Ulla DV, Corzo L, dos Santos HP, Ramos A, Doglia JA, Estenssoro E, Carbonara M, Magnoni S, Donald CLM, Shimony JS, Conte V, Triulzi F, Stretti F, Macrì M, Snyder AZ, Stocchetti N, Brody DL, Podlepich V, Shimanskiy V, Savin I, Lapteva K, Chumaev A, Tjepkema-Cloostermans MC, Hofmeijer J, Beishuizen A, Hom H, Blans MJ, van Putten MJAM, Longhi L, Frigeni B, Curinga M, Mingone D, Beretta S, Patruno A, Gandini L, Vargiolu A, Ferri F, Ceriani R, Rottoli MR, Lorini L, Citerio G, Pifferi S, Battistini M, Cordolcini V, Agarossi A, Di Rosso R, Ortolano F, Stocchetti N, Lourido CM, Cabrera JLS, Santana JDM, Alzola LM, del Rosario CG, Pérez HR, Torrent RL, Eslami S, Dalhuisen A, Fiks T, Schultz MJ, Hanna AA, Spronk PE, Wood M, Maslove D. ESICM LIVES 2016: part three. Intensive Care Med Exp 2016. [PMCID: PMC5042925 DOI: 10.1186/s40635-016-0100-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Yamamoto T, Kawada K, Itatani Y, Inamoto S, Okamura R, Iwamoto M, Miyamoto E, Chen-Yoshikawa TF, Hirai H, Hasegawa S, Date H, Taketo MM, Sakai Y. Loss of SMAD4 Promotes Lung Metastasis of Colorectal Cancer by Accumulation of CCR1+ Tumor-Associated Neutrophils through CCL15-CCR1 Axis. Clin Cancer Res 2016; 23:833-844. [PMID: 27492974 DOI: 10.1158/1078-0432.ccr-16-0520] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 07/01/2016] [Accepted: 07/22/2016] [Indexed: 11/16/2022]
Abstract
PURPOSE We have reported loss of SMAD4 promotes expression of CCL15 from colorectal cancer to recruit CCR1+ myeloid cells through the CCL15-CCR1 axis, which contributes to invasion and liver metastasis. However, the molecular mechanism of lung metastasis is yet to be elucidated. Our purpose is to determine whether similar mechanism is involved in the lung metastasis of colorectal cancer. EXPERIMENTAL DESIGN In a mouse model, we examined whether SMAD4 could affect the metastatic activity of colorectal cancer cells to the lung through the CCL15-CCR1 axis. We immunohistochemically analyzed expression of SMAD4, CCL15, and CCR1 with 107 clinical specimens of colorectal cancer lung metastases. We also characterized the CCR1+ myeloid cells using several cell-type-specific markers. RESULTS In a mouse model, CCL15 secreted from SMAD4-deficient colorectal cancer cells recruited CCR1+ cells, promoting their metastatic activities to the lung. Immunohistochemical analysis of lung metastases from colorectal cancer patients revealed that CCL15 expression was significantly correlated with loss of SMAD4, and that CCL15-positive metastases recruited approximately 1.9 times more numbers of CCR1+ cells than CCL15-negative metastases. Importantly, patients with CCL15-positive metastases showed a significantly shorter relapse-free survival (RFS) than those with CCL15-negative metastases, and multivariate analysis indicated that CCL15 expression was an independent predictor of shorter RFS. Immunofluorescent staining showed that most CCR1+ cells around lung metastases were tumor-associated neutrophil, although a minor fraction was granulocytic myeloid-derived suppressor cell. CONCLUSIONS CCL15-CCR1 axis may be a therapeutic target to prevent colorectal cancer lung metastasis. CCL15 can be a biomarker indicating poor prognosis of colorectal cancer patients with lung metastases. Clin Cancer Res; 23(3); 833-44. ©2016 AACR.
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Affiliation(s)
- Takamasa Yamamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kenji Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Yoshiro Itatani
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Pharmacology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Moores UCSD Cancer Center, University of California, San Diego, La Jolla, California
| | - Susumu Inamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryosuke Okamura
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ei Miyamoto
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | | | - Hideyo Hirai
- Department of Transfusion Medicine and Cell Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Suguru Hasegawa
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Makoto M Taketo
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Pharmacology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Iwamoto M, Umezaki N, Matsuda J, Kawaguchi K, Terasawa R, Sato N, Fyjioka H, Kimura K, Tanaka S, Uchiyama K. Abstract OT3-02-01: Randomized phase II study of Hangeshashinto (TJ-14) for chemotherapy induced oral mucositis in patients with breast cancer (Hangesha-B study). Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-ot3-02-01] [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: 11/16/2022]
Abstract
Abstract
Background: Oral mucositis is a common complication of systemic chemotherapy for cancer, and is associated with higher risk of infection, pain, chemotherapy dose reduction. Severe mucositis impairs oral function and seriously affects nutrition and quality of life of the patients.
Hangeshashinto (TJ-14) is a traditional Japanese herbal (Kampo) medicine reduces the level of prostaglandin E2 and affects the cyclooxygenase activity, and alleviates chemotherapy induced oral mucositis. We conducted a randomized phase II trial to investigate whether Hangeshashinto (TJ-14) prevents or controls chemotherapy induced oral mucositis.
Patients and Methods: Patients who develop moderate to severe chemotherapy induced oral mucositis (WHO grade>1) during any cycle of chemotherapy are randomly assigned to receive either Hangeshashinto (TJ-14) (n=25) or placebo (n=25). Patients receive the administration of Hangeshashinto (TJ-14) or placebo for 3 weeks at the beginning of the next course of chemotherapy. The patients are advised to dissolve 2.5g of Hangeshashinto (TJ-14) or placebo in 50ml drinking water, and divide it into twice or three times in an oral cavity. Patients rinse their oral cavity with it three times daily. The signs of oral mucositis is assessed by the investigator during the screening cycle. The CTCAE v4.0 grading is used to assess the severity of oral mucositis. The primary endpoint is duration time of oral mucositis, and secondary endpoints include incidence of oral mucositis, incidence of diarrhea, blood levels of CRP, The change of body weight, and blood levels of albumin.
Accrual: This study began in June 2015. The expected end of accrual of 50 patients will be the last quarter 2017.
Citation Format: Iwamoto M, Umezaki N, Matsuda J, Kawaguchi K, Terasawa R, Sato N, Fyjioka H, Kimura K, Tanaka S, Uchiyama K. Randomized phase II study of Hangeshashinto (TJ-14) for chemotherapy induced oral mucositis in patients with breast cancer (Hangesha-B study). [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr OT3-02-01.
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Affiliation(s)
| | | | | | | | | | - N Sato
- Osaka Medical College, Osaka, Japan
| | | | - K Kimura
- Osaka Medical College, Osaka, Japan
| | - S Tanaka
- Osaka Medical College, Osaka, Japan
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Deguchi T, Yamano H, Takenouchi S, Iwamoto M. Catalysts for direct H2O2 synthesis taking advantage of the high H2 activating ability of Pt: kinetic characteristics of Pt catalysts and new additives for improving H2O2 selectivity. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01937k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
To develop efficient catalysts for the direct H2O2 synthesis from H2 and O2 by taking advantage of the high H2 activating ability of Pt, kinetic studies of the H2–O2 reaction were performed using a Pt-PVP (polyvinylpyrrolidone) colloid and Pt supported on carbon (Pt/C) as catalysts, and new additives were explored.
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Affiliation(s)
- T. Deguchi
- Research and Development Initiative
- Chuo University
- Tokyo 112-8551
- Japan
| | - H. Yamano
- Chemical Resources Laboratory
- Tokyo Institute of Technology
- Yokohama 226-8503
- Japan
| | - S. Takenouchi
- Chemical Resources Laboratory
- Tokyo Institute of Technology
- Yokohama 226-8503
- Japan
| | - M. Iwamoto
- Research and Development Initiative
- Chuo University
- Tokyo 112-8551
- Japan
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Tsukada Y, Nakamura F, Iwamoto M, Terahara A, Higashi T. Treatment Patterns for T4 Stage III Esophageal Cancer in Japan: Analysis From 233 Designated Cancer Care Hospitals. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.909] [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: 11/24/2022]
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Jaafar MM, Ciniciato GPMK, Ibrahim SA, Phang SM, Yunus K, Fisher AC, Iwamoto M, Vengadesh P. Preparation of a Three-Dimensional Reduced Graphene Oxide Film by Using the Langmuir-Blodgett Method. Langmuir 2015; 31:10426-10434. [PMID: 26348460 DOI: 10.1021/acs.langmuir.5b02708] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The Langmuir-Blodgett method has always been traditionally utilized in the deposition of two-dimensional structures. In this work, however, we employed the method to deposit three-dimensional reduced graphene oxide layers using an unconventional protocol for the first time. This was achieved by carrying out the dipping process after the collapse pressure or breaking point, which results in the formation of a highly porous three-dimensional surface topography. By varying the number of deposition layers, the porosity could be optimized from nanometer to micrometer dimensions. Employed as bioelectrodes, these three-dimensional reduced graphene oxide layers may allow improved adhesion and biocompatibility compared to the conventional two-dimensional surfaces. A larger number of pores also improves the mass transport of materials and therefore increases the charge-sustaining capacity and sensitivity. This could ultimately improve the performance of biofuel cells and other electrode-based systems.
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Affiliation(s)
| | - Gustavo P M K Ciniciato
- Department of Chemical Engineering and Biotechnology, University of Cambridge , Pembroke Street, New Museum Site, CB2 3RA Cambridge, United Kingdom
| | | | | | - K Yunus
- Department of Chemical Engineering and Biotechnology, University of Cambridge , Pembroke Street, New Museum Site, CB2 3RA Cambridge, United Kingdom
| | - Adrian C Fisher
- Department of Chemical Engineering and Biotechnology, University of Cambridge , Pembroke Street, New Museum Site, CB2 3RA Cambridge, United Kingdom
| | - M Iwamoto
- Department of Physical Electronics, Tokyo Institute of Technology , 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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Inamoto S, Itatani Y, Yamamoto T, Minamiguchi S, Hirai H, Iwamoto M, Hasegawa S, Taketo MM, Sakai Y, Kawada K. Loss of SMAD4 Promotes Colorectal Cancer Progression by Accumulation of Myeloid-Derived Suppressor Cells through the CCL15-CCR1 Chemokine Axis. Clin Cancer Res 2015; 22:492-501. [PMID: 26341919 DOI: 10.1158/1078-0432.ccr-15-0726] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 08/21/2015] [Indexed: 12/29/2022]
Abstract
PURPOSE We previously reported that loss of SMAD4 promotes chemokine CCL15 expression to recruit CCR1(+) myeloid cells via the CCL15-CCR1 axis, which facilitates metastasis of colorectal cancer to the liver. The purposes of this study were to investigate whether essentially the same mechanism works in tumor invasion of the primary colorectal cancer and to evaluate the clinical importance of CCL15 expression and CCR1(+) cell accumulation. EXPERIMENTAL DESIGN Using human colorectal cancer cell lines with reduced expression of SMAD4 or CCL15, we investigated tumor growth activities in vivo. We used immunohistochemistry (IHC) to investigate expression of SMAD4, CCL15, and CCR1 with 333 clinical specimens of primary colorectal cancer. We next characterized the CCR1(+) cells using double immunofluorescence staining with several specific cell-type markers. Finally, we determined the serum CCL15 levels in 132 colorectal cancer patients. RESULTS In an orthotopic xenograft model, CCL15 secreted from SMAD4-deficient colorectal cancer cells recruited CCR1(+) cells, resulting in aggressive tumor growth. IHC indicated that loss of SMAD4 was significantly associated with CCL15 expression, and that CCL15-positive primary colorectal cancers recruited approximately 2.2 times more numbers of CCR1(+) cells at their invasion front than CCL15-negative colorectal cancers. Importantly, these CCR1(+) cells were of the myeloid-derived suppressor cell (MDSC) phenotype (CD11b(+), CD33(+), and HLA-DR(-)). Most CCR1(+) cells showed the granulocytic-MDSC phenotype (CD15(+)), whereas some showed the monocytic-MDSC phenotype (CD14(+)). Serum CCL15 levels in colorectal cancer patients were significantly higher than in controls. CONCLUSIONS Blocking the recruitment of CCR1(+) MDSCs may represent a novel molecular-targeted therapy, and serum CCL15 concentration can be a novel biomarker for colorectal cancer.
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Affiliation(s)
- Susumu Inamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiro Itatani
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan. Department of Pharmacology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takamasa Yamamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Sachiko Minamiguchi
- Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hideyo Hirai
- Department of Transfusion Medicine and Cell Therapy, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masayoshi Iwamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Suguru Hasegawa
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Makoto Mark Taketo
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan. Department of Pharmacology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kenji Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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Oki K, Sakamoto M, Nakashima Y, Yoshikawa M, Nohara R, Nojiri K, Terakado A, Mizuguchi M, Ichimura K, Takeda H, Iwamoto M, Hosoda Y, Shimizu K, Yoshikawa M, Kohagura J, Imai T, Ichimura M. Electron Temperature and Density Distributions in a Divertor Simulation Experimental Module with Gas Injection in GAMMA 10/PDX. Fusion Science and Technology 2015. [DOI: 10.13182/fst14-896] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Oki
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Sakamoto
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Nakashima
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - R. Nohara
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Nojiri
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - A. Terakado
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Mizuguchi
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Ichimura
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - H. Takeda
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Iwamoto
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Y. Hosoda
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - K. Shimizu
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Yoshikawa
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - J. Kohagura
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - T. Imai
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - M. Ichimura
- University of Tsukuba, Plasma Research Center, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
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Kawada K, Toda K, Nakamoto Y, Iwamoto M, Hatano E, Chen F, Hasegawa S, Togashi K, Date H, Uemoto S, Sakai Y. Relationship Between 18F-FDG PET/CT Scans and KRAS Mutations in Metastatic Colorectal Cancer. J Nucl Med 2015; 56:1322-7. [PMID: 26135109 DOI: 10.2967/jnumed.115.160614] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Accepted: 06/18/2015] [Indexed: 01/01/2023] Open
Abstract
UNLABELLED Several studies have shown that KRAS mutations in colorectal cancer (CRC) result in the lack of response to anti-epidermal growth factor receptor-based therapy; thus, KRAS mutational testing has been incorporated into routine clinical practice. However, 1 limitation of this test is the heterogeneity of KRAS status, which can be either intratumoral heterogeneity within an individual primary CRC or discordant KRAS status between a primary CRC and its corresponding metastases. We previously reported that (18)F-FDG accumulation was significantly higher in primary CRCs with mutated KRAS than in those with wild-type KRAS. However, the clinical utility of the previous report has been limited because endoscopic biopsy for testing KRAS status is safe and feasible only in primary CRC. The purpose of this study was to investigate whether KRAS status is associated with (18)F-FDG accumulation in metastatic CRC and whether (18)F-FDG PET/CT scans can be used to predict the KRAS status of metastatic CRC. METHODS A retrospective analysis was performed on 55 metastatic CRC tumors that were identified by (18)F-FDG PET/CT before surgical resection. Maximum standardized uptake value (SUVmax) of the respective metastatic tumor was calculated from (18)F-FDG accumulation. RESULTS From the analysis with the 55 tumors, no significant correlation was found between SUVmax and KRAS status. We next analyzed only tumors larger than 10 mm to minimize the bias of partial-volume effect and found that SUVmax was significantly higher in the KRAS-mutated group than in the wild-type group (8.3 ± 4.1 vs. 5.7 ± 2.4, respectively; P = 0.03). Multivariate analysis indicated that SUVmax remained significantly associated with KRAS mutations (P = 0.04). KRAS status could be predicted with an accuracy of 71.4% when an SUVmax cutoff value of 6.0 was used. CONCLUSION (18)F-FDG accumulation into metastatic CRC was associated with KRAS status. (18)F-FDG PET/CT scans may be useful for predicting the KRAS status of metastatic CRC and help in determining the therapeutic strategies against metastatic CRC.
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Affiliation(s)
- Kenji Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kosuke Toda
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan; and
| | - Masayoshi Iwamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Etsuro Hatano
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fengshi Chen
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Suguru Hasegawa
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kaori Togashi
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan; and
| | - Hiroshi Date
- Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shinji Uemoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Akiyama Y, Sato T, Hanai S, Kamata Y, Nagatani K, Iwamoto M, Okazaki H, Minota S. SAT0269 The Clinical Features of Sapho Syndrome in Japanese Patients: A Single Center Cohort Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.5434] [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: 11/04/2022]
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Iwamoto M, Kawada K, Hida K, Hasegawa S, Sakai Y. Adenocarcinoma arising at a colostomy site with inguinal lymph node metastasis: report of a case. Jpn J Clin Oncol 2014; 45:217-20. [DOI: 10.1093/jjco/hyu192] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [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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Iwamoto M, Kawada K, Nakamoto Y, Itatani Y, Inamoto S, Toda K, Kimura H, Sasazuki T, Shirasawa S, Okuyama H, Inoue M, Hasegawa S, Togashi K, Sakai Y. Regulation of 18F-FDG accumulation in colorectal cancer cells with mutated KRAS. J Nucl Med 2014; 55:2038-44. [PMID: 25453050 DOI: 10.2967/jnumed.114.142927] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
UNLABELLED KRAS gene mutations occur in approximately 40% of colorectal cancers (CRCs) and are associated with resistance to anti-epidermal growth factor receptor antibody therapy. We previously demonstrated that (18)F-FDG accumulation in PET was significantly higher in CRCs with mutated KRAS than in those with wild-type KRAS in a clinical setting. Here, we investigated the mechanisms by which mutated KRAS increased (18)F-FDG accumulation. METHODS Using paired isogenic human CRC cell lines that differ only in the mutational status of the KRAS gene, we measured (18)F-FDG accumulation in these cells in vitro and in vivo. We also investigated the roles of proteins that have a function in (18)F-FDG accumulation. Finally, we examined the relationship among mutated KRAS, hypoxia-inducible factor 1α (HIF-1α), and maximum standardized uptake value with 51 clinical CRC samples. RESULTS In the in vitro experiments, (18)F-FDG accumulation was significantly higher in KRAS-mutant cells than in wild-type controls under normoxic conditions. The expression levels of glucose transporter 1 (GLUT1) and hexokinase type 2 (HK2) were higher in KRAS-mutant cells, and (18)F-FDG accumulation was decreased by knockdown of GLUT1. Hypoxic induction of HIF-1α was higher in KRAS-mutant cells than in wild-type controls; in turn, elevated HIF-1α resulted in higher GLUT1 expression and (18)F-FDG accumulation. In addition, HIF-1α knockdown decreased (18)F-FDG accumulation under hypoxic conditions only in the KRAS-mutant cells. Small-animal PET scans showed in vivo (18)F-FDG accumulation to be significantly higher in xenografts with mutated KRAS than in those with wild-type KRAS. The immunohistochemistry of these xenograft tumors showed that staining of GLUT1 was consistent with that of HIF-1α and pimonidazole. In a retrospective analysis of clinical samples, KRAS mutation exhibited a significantly positive correlation with expressions of GLUT1 and HIF-1α and with maximum standardized uptake value. CONCLUSION Mutated KRAS caused higher (18)F-FDG accumulation possibly by upregulation of GLUT1; moreover, HIF-1α additively increased (18)F-FDG accumulation in hypoxic lesions. (18)F-FDG PET might be useful for predicting the KRAS status noninvasively.
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Affiliation(s)
- Masayoshi Iwamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kenji Kawada
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiro Itatani
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Susumu Inamoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kosuke Toda
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroyuki Kimura
- Division of Molecular Imaging, Radioisotope Research Center, Kyoto University, Kyoto, Japan
| | | | - Senji Shirasawa
- Department of Cell Biology, Faculty of Medicine, Fukuoka University, Fukuoka, Japan; and
| | - Hiroaki Okuyama
- Department of Biochemistry, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Masahiro Inoue
- Department of Biochemistry, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Suguru Hasegawa
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kaori Togashi
- Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiharu Sakai
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Iwamoto M, Ikari A, Maezawa S, Tominaga T, Sato N, Terasawa R, Fujioka H, Kimura K, Tanaka S, Uchiyama K. PR57 Clinicopathological study of breast cancer in very young women. Breast 2014. [DOI: 10.1016/s0960-9776(14)70067-0] [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] Open
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