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Sakai H, Kurita H, Kondo E, Tanaka H, Shimane T, Hashidume M, Yamada SI. Dental and oral management in the perioperative period of surgery: A scoping review. Jpn Dent Sci Rev 2024; 60:148-153. [PMID: 38633513 PMCID: PMC11021219 DOI: 10.1016/j.jdsr.2024.03.002] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/27/2024] [Accepted: 03/25/2024] [Indexed: 04/19/2024] Open
Abstract
Dental and oral management (DOM) is a long-established treatment modality. This scoping review aimed to narratively review previous studies, examine the effects of perioperative DOM, and identify the available evidence. A literature search was conducted using the PubMed electronic database for studies published between January 1, 2000, and March 8, 2022. The search yielded 43 studies, most of which were published in the last 10 years. The results of this study confirmed that improved perioperative oral hygiene is effective in preventing postoperative pneumonia. Our results also suggested that preoperative DOM is effective in preventing postoperative surgical site infections. Perioperative DOM is effective in reducing the incidence of postoperative pneumonia, SSI, and postsurgical complications. Further studies are needed to elucidate the various mechanism of DOM and to examine efficient intervention methods and timing.
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Affiliation(s)
- Hironori Sakai
- Department of Oral and Maxillofacial Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto-shi, Nagano-ken 390-0872, Japan
| | - Hiroshi Kurita
- Department of Oral and Maxillofacial Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto-shi, Nagano-ken 390-0872, Japan
| | - Eiji Kondo
- Department of Oral and Maxillofacial Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto-shi, Nagano-ken 390-0872, Japan
| | - Hirokazu Tanaka
- Department of Oral and Maxillofacial Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto-shi, Nagano-ken 390-0872, Japan
| | - Tetsu Shimane
- Department of Oral and Maxillofacial Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto-shi, Nagano-ken 390-0872, Japan
| | - Masao Hashidume
- Department of Oral and Maxillofacial Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto-shi, Nagano-ken 390-0872, Japan
| | - Shin-Ichi Yamada
- Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 3190 Gofuku, Toyama-shi, Toyama-ken 930-8555, Japan
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Nawata T, Honda T, Sakai H, Tsuji S, Otsuka M, Uchinoumi H, Kobayashi S, Yamamoto T, Asagiri M, Yano M. Dantrolene, a ryanodine receptor stabilizer, is a candidate immunomodulator for treating rheumatic disease. Scand J Rheumatol 2024; 53:217-219. [PMID: 38293969 DOI: 10.1080/03009742.2023.2297519] [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] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 12/18/2023] [Indexed: 02/01/2024]
Affiliation(s)
- T Nawata
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - T Honda
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - H Sakai
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - S Tsuji
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - M Otsuka
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - H Uchinoumi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - S Kobayashi
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - T Yamamoto
- Faculty of Health Sciences, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - M Asagiri
- Department of Pharmacology, Yamaguchi University Graduate School of Medicine, Ube, Japan
| | - M Yano
- Department of Medicine and Clinical Science, Yamaguchi University Graduate School of Medicine, Ube, Japan
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Watanabe S, Yoshioka H, Sakai H, Hotta K, Takenoyama M, Yamada K, Sugawara S, Takiguchi Y, Hosomi Y, Tomii K, Niho S, Nishio M, Kato T, Takahashi T, Ebi H, Aono M, Yamamoto N, Ohe Y, Nakagawa K. Association between skin toxicity and efficacy of necitumumab in squamous non-small-cell lung cancer: a pooled analysis of two randomized clinical trials-SQUIRE and JFCM. ESMO Open 2024; 9:102975. [PMID: 38520847 PMCID: PMC10980953 DOI: 10.1016/j.esmoop.2024.102975] [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: 06/23/2023] [Revised: 12/14/2023] [Accepted: 02/29/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND Efficacy of necitumumab [recombinant human monoclonal antibody that blocks the ligand binding epidermal growth factor receptor (EGFR)] in patients with squamous (SQ) non-small-cell lung cancer (NSCLC) has been confirmed in two randomized clinical trials (SQUIRE and JFCM). This study evaluated the association between efficacy and initial skin toxicity with necitumumab treatment by analyzing pooled data from two clinical trials (SQUIRE and JFCM). MATERIALS AND METHODS Data of 635 patients with SQ-NSCLC (intent-to-treat population) treated with necitumumab plus gemcitabine and cisplatin (N + GC) were pooled from two clinical trials (SQUIRE and JFCM). The relationship between skin toxicities developed by the end of the second cycle and efficacy was evaluated. Efficacy endpoints included overall survival (OS), progression-free survival (PFS), and objective response rate (ORR). Univariate and multivariate analyses were carried out for these endpoints. RESULTS OS and ORR were associated with skin toxicity, whereas PFS was not. Patients with grade ≥2 or grade 1 skin toxicity had significantly longer OS compared to patients without skin toxicity (grade 0) in the N + GC group [median = 15.0 (grade ≥2); 12.7 (grade 1); 9.4 (grade 0) months; hazard ratio (HR) = 0.51 (grade ≥2 to grade 0); 95% confidence interval (CI) 0.40-0.64, P < 0.001 and HR = 0.64 (grade 1 to grade 0); 95% CI 0.52-0.80, P < 0.001]. In multivariate analysis, OS was significantly associated with skin toxicity. CONCLUSIONS A significant association was found between necitumumab-induced skin toxicity and efficacy. These results are consistent with the previously reported association between other EGFR inhibitors-induced skin toxicity and efficacy.
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Affiliation(s)
- S Watanabe
- Department of Respiratory Medicine and Infectious Diseases, Niigata University Graduate School of Medical and Dental Sciences, Niigata
| | - H Yoshioka
- Department of Thoracic Oncology, Kansai Medical University Hospital, Hirakata.
| | - H Sakai
- Department of Thoracic Oncology, Ageo Central General Hospital, Ageo
| | - K Hotta
- Center for Innovative Clinical Medicine, Okayama University Hospital, Okayama
| | - M Takenoyama
- Department of Thoracic Surgery, Matsuyama Red Cross Hospital, Matsuyama
| | - K Yamada
- Department of Respiratory Medicine, Shin Koga Hospital, Fukuoka
| | - S Sugawara
- Department of Pulmonary Medicine, Sendai Kousei Hospital, Sendai
| | - Y Takiguchi
- Department of Medical Oncology, Chiba University Hospital, Chiba
| | - Y Hosomi
- Department of Thoracic Oncology and Respiratory Medicine, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo
| | - K Tomii
- Department of Respiratory Medicine, Kobe City Medical Center General Hospital, Kobe
| | - S Niho
- Department of Pulmonary Medicine and Clinical Immunology, Dokkyo Medical University, Mibu
| | - M Nishio
- Department of Thoracic Medical Oncology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo
| | - T Kato
- Department of Thoracic Oncology, Kanagawa Cancer Center, Yokohama
| | - T Takahashi
- Division of Thoracic Oncology, Shizuoka Cancer Center, Nagaizumi
| | - H Ebi
- Pharmaceuticals Group, Nippon Kayaku Co., Ltd, Chiyoda-ku, Tokyo
| | - M Aono
- Pharmaceuticals Group, Nippon Kayaku Co., Ltd, Chiyoda-ku, Tokyo
| | - N Yamamoto
- Internal Medicine III, Wakayama Medical University, Wakayama
| | - Y Ohe
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo
| | - K Nakagawa
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka, Japan
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Suetsugu S, Shimomura M, Kamimura M, Asaba T, Asaeda H, Kosuge Y, Sekino Y, Ikemori S, Kasahara Y, Kohsaka Y, Lee M, Yanase Y, Sakai H, Opletal P, Tokiwa Y, Haga Y, Matsuda Y. Fully gapped pairing state in spin-triplet superconductor UTe 2. Sci Adv 2024; 10:eadk3772. [PMID: 38324692 PMCID: PMC10849587 DOI: 10.1126/sciadv.adk3772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 01/05/2024] [Indexed: 02/09/2024]
Abstract
The recently discovered superconductor UTe2 is a promising candidate for spin-triplet superconductors, but the symmetry of the superconducting order parameter remains highly controversial. Here, we determine the superconducting gap structure by the thermal conductivity of ultraclean UTe2 single crystals. We find that the a-axis thermal conductivity divided by temperature κ/T in zero-temperature limit is vanishingly small for both magnetic field H‖a and H‖c axes up to H/Hc2 ∼ 0.2, demonstrating the absence of nodes around the a axis contrary to the previous belief. The present results, combined with the reduction of nuclear magnetic resonance Knight shift, indicate that the superconducting order parameter belongs to the isotropic Au representation with a fully gapped pairing state, analogous to the B phase of superfluid 3He. These findings reveal that UTe2 is likely to be a long-sought three-dimensional strong topological superconductor, hosting helical Majorana surface states on any crystal plane.
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Affiliation(s)
- Shota Suetsugu
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | | | | | - Tomoya Asaba
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Hiroto Asaeda
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Yuki Kosuge
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Yuki Sekino
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Shun Ikemori
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Yuichi Kasahara
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Yuhki Kohsaka
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Minhyea Lee
- Department of Physics, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Youichi Yanase
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Hironori Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Petr Opletal
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Yoshifumi Tokiwa
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Yoshinori Haga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Yuji Matsuda
- Department of Physics, Kyoto University, Kyoto 606-8502, Japan
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5
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Eaton AG, Weinberger TI, Popiel NJM, Wu Z, Hickey AJ, Cabala A, Pospíšil J, Prokleška J, Haidamak T, Bastien G, Opletal P, Sakai H, Haga Y, Nowell R, Benjamin SM, Sechovský V, Lonzarich GG, Grosche FM, Vališka M. Quasi-2D Fermi surface in the anomalous superconductor UTe 2. Nat Commun 2024; 15:223. [PMID: 38172154 PMCID: PMC10764345 DOI: 10.1038/s41467-023-44110-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
The heavy fermion paramagnet UTe2 exhibits numerous characteristics of spin-triplet superconductivity. Efforts to understand the microscopic details of this exotic superconductivity have been impeded by uncertainty regarding the underlying electronic structure. Here we directly probe the Fermi surface of UTe2 by measuring magnetic quantum oscillations in pristine quality crystals. We find an angular profile of quantum oscillatory frequency and amplitude that is characteristic of a quasi-2D Fermi surface, which we find is well described by two cylindrical Fermi sheets of electron- and hole-type respectively. Additionally, we find that both cylindrical Fermi sheets possess considerable undulation but negligible small-scale corrugation, which may allow for their near-nesting and therefore promote magnetic fluctuations that enhance the triplet pairing mechanism. Importantly, we find no evidence for the presence of any 3D Fermi surface sections. Our results place strong constraints on the possible symmetry of the superconducting order parameter in UTe2.
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Affiliation(s)
- A G Eaton
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK.
| | - T I Weinberger
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - N J M Popiel
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Z Wu
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - A J Hickey
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - A Cabala
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
| | - J Pospíšil
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
| | - J Prokleška
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
| | - T Haidamak
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
| | - G Bastien
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
| | - P Opletal
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - H Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - Y Haga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - R Nowell
- National High Magnetic Field Laboratory, Tallahassee, FL, 32310, USA
| | - S M Benjamin
- National High Magnetic Field Laboratory, Tallahassee, FL, 32310, USA
| | - V Sechovský
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
| | - G G Lonzarich
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - F M Grosche
- Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - M Vališka
- Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, Prague 2, 121 16, Czech Republic
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Ota K, Sakai H, Sasaki D, Mitsumoto-Kaseida F, Sakamoto K, Kosai K, Hasegawa H, Takazono T, Izumikawa K, Mukae H, Tun MMN, Morita K, Yanagihara K. Rapid increase in salivary IgA and broad recognition of spike protein following SARS-CoV-2 vaccination. Virus Res 2024; 339:199294. [PMID: 38056502 PMCID: PMC10749273 DOI: 10.1016/j.virusres.2023.199294] [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: 03/16/2023] [Revised: 11/24/2023] [Accepted: 12/03/2023] [Indexed: 12/08/2023]
Abstract
Saliva is a key component of mucosal immunity, which protects the oral cavity from viral infections. However, salivary immune response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), in terms of immunoglobulin dynamics and recognition, have not been investigated sufficiently. In this study, saliva samples were collected from individuals that received SARS-CoV-2 vaccine, and immunoglobulin G (IgG), IgM, and IgA against whole spike protein and S1 protein were measured. IgA against whole spike protein increased significantly following vaccination, while IgA against S1 protein did not. Of note, the IgA response was evident two weeks after the first vaccine dose and continued to rise thereafter. On the contrary, IgG antibodies against S1 increased significantly at four weeks after vaccination. These results reveal the dynamics and recognition antigens of immunoglobulins in saliva, indicating the function of IgA in the mucosal immune system. These findings may pave the way for further studies on mucosal immune response induced by vaccination.
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Affiliation(s)
- Kenji Ota
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan.
| | - Hironori Sakai
- CellSpect Co. Ltd., 2-4, Kita Iioka, Morioka, Iwate 020-0857, Japan
| | - Daisuke Sasaki
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Fujiko Mitsumoto-Kaseida
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Kei Sakamoto
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Kosuke Kosai
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Hiroo Hasegawa
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Takahiro Takazono
- Department of Respiratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Koichi Izumikawa
- Infection Control and Education Center, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Hiroshi Mukae
- Department of Respiratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
| | - Mya Myat Ngwe Tun
- Department of Virology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, 1-12-4, Sakamoto, Nagasaki 852-8102, Japan
| | - Kouichi Morita
- Department of Virology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, 1-12-4, Sakamoto, Nagasaki 852-8102, Japan; Dejima Infectious Disease Research Alliance, Nagasaki University, 1-12-4, Sakamoto, Nagasaki 852-8102, Japan
| | - Katsunori Yanagihara
- Department of Laboratory Medicine, Nagasaki University Hospital, 1-7-1, Sakamoto, Nagasaki 852-8501, Japan
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7
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Ishizaka N, Kinoshita T, Sakai M, Tanabe S, Nakano H, Tanabe S, Nakamura S, Mayumi K, Akamatsu S, Nishikata T, Takizawa T, Yamada T, Sakai H, Kaidu M, Sasamoto R, Ishikawa H, Utsunomiya S. Prediction of patient-specific quality assurance for volumetric modulated arc therapy using radiomics-based machine learning with dose distribution. J Appl Clin Med Phys 2024; 25:e14215. [PMID: 37987544 PMCID: PMC10795425 DOI: 10.1002/acm2.14215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 09/29/2023] [Accepted: 10/30/2023] [Indexed: 11/22/2023] Open
Abstract
PURPOSE We sought to develop machine learning models to predict the results of patient-specific quality assurance (QA) for volumetric modulated arc therapy (VMAT), which were represented by several dose-evaluation metrics-including the gamma passing rates (GPRs)-and criteria based on the radiomic features of 3D dose distribution in a phantom. METHODS A total of 4,250 radiomic features of 3D dose distribution in a cylindrical dummy phantom for 140 arcs from 106 clinical VMAT plans were extracted. We obtained the following dose-evaluation metrics: GPRs with global and local normalization, the dose difference (DD) in 1% and 2% passing rates (DD1% and DD2%) for 10% and 50% dose threshold, and the distance-to-agreement in 1-mm and 2-mm passing rates (DTA1 mm and DTA2 mm) for 0.5%/mm and 1.0%.mm dose gradient threshold determined by measurement using a diode array in patient-specific QA. The machine learning regression models for predicting the values of the dose-evaluation metrics using the radiomic features were developed based on the elastic net (EN) and extra trees (ET) models. The feature selection and tuning of hyperparameters were performed with nested cross-validation in which four-fold cross-validation is used within the inner loop, and the performance of each model was evaluated in terms of the root mean square error (RMSE), the mean absolute error (MAE), and Spearman's rank correlation coefficient. RESULTS The RMSE and MAE for the developed machine learning models ranged from <1% to nearly <10% depending on the dose-evaluation metric, the criteria, and dose and dose gradient thresholds used for both machine learning models. It was advantageous to focus on high dose region for predicating global GPR, DDs, and DTAs. For certain metrics and criteria, it was possible to create models applicable for patients' heterogeneity by training only with dose distributions in phantom. CONCLUSIONS The developed machine learning models showed high performance for predicting dose-evaluation metrics especially for high dose region depending on the metric and criteria. Our results demonstrate that the radiomic features of dose distribution can be considered good indicators of the plan complexity and useful in predicting measured dose evaluation metrics.
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Affiliation(s)
- Natsuki Ishizaka
- Department of RadiologyNiigata Prefectural Shibata HospitalShibata CityNiigataJapan
| | - Tomotaka Kinoshita
- Department of Radiological TechnologyNiigata University Graduate School of Health SciencesNiigata CityNiigataJapan
| | - Madoka Sakai
- Department of RadiologyNagaoka Chuo General HospitalNagaokaNiigataJapan
- Department of Radiation OncologyNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
| | - Shunpei Tanabe
- Department of Radiation OncologyNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
| | - Hisashi Nakano
- Department of Radiation OncologyNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
| | - Satoshi Tanabe
- Department of Radiation OncologyNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
| | - Sae Nakamura
- Department of Radiation OncologyNiigata Neurosurgical HospitalNiigata CityNiigataJapan
| | - Kazuki Mayumi
- Department of Radiological TechnologyNiigata University Graduate School of Health SciencesNiigata CityNiigataJapan
| | - Shinya Akamatsu
- Department of Radiological TechnologyNiigata University Graduate School of Health SciencesNiigata CityNiigataJapan
- Department of RadiologyTakeda General HospitalAizuwakamatsu CityFukushimaJapan
| | - Takayuki Nishikata
- Department of Radiological TechnologyNiigata University Graduate School of Health SciencesNiigata CityNiigataJapan
- Division of RadiologyNagaoka Red Cross HospitalNagaoka‐shiNiigataJapan
| | - Takeshi Takizawa
- Department of Radiation OncologyNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
- Department of Radiation OncologyNiigata Neurosurgical HospitalNiigata CityNiigataJapan
| | - Takumi Yamada
- Section of Radiology, Department of Clinical SupportNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
| | - Hironori Sakai
- Section of Radiology, Department of Clinical SupportNiigata University Medical and Dental HospitalNiigata CityNiigataJapan
| | - Motoki Kaidu
- Department of Radiology and Radiation OncologyNiigata University Graduate School of Medical and Dental SciencesNiigata CityNiigataJapan
| | - Ryuta Sasamoto
- Department of Radiological TechnologyNiigata University Graduate School of Health SciencesNiigata CityNiigataJapan
| | - Hiroyuki Ishikawa
- Department of Radiology and Radiation OncologyNiigata University Graduate School of Medical and Dental SciencesNiigata CityNiigataJapan
| | - Satoru Utsunomiya
- Department of Radiological TechnologyNiigata University Graduate School of Health SciencesNiigata CityNiigataJapan
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8
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Tokunaga Y, Sakai H, Kambe S, Opletal P, Tokiwa Y, Haga Y, Kitagawa S, Ishida K, Aoki D, Knebel G, Lapertot G, Krämer S, Horvatić M. Longitudinal Spin Fluctuations Driving Field-Reinforced Superconductivity in UTe_{2}. Phys Rev Lett 2023; 131:226503. [PMID: 38101342 DOI: 10.1103/physrevlett.131.226503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/29/2023] [Accepted: 10/18/2023] [Indexed: 12/17/2023]
Abstract
Our measurements of ^{125}Te NMR relaxations reveal an enhancement of electronic spin fluctuations above μ_{0}H^{*}∼15 T, leading to their divergence in the vicinity of the metamagnetic transition at μ_{0}H_{m}≈35 T, below which field-reinforced superconductivity appears when a magnetic field (H) is applied along the crystallographic b axis. The NMR data evidence that these fluctuations are dominantly longitudinal, providing a key to understanding the peculiar superconducting phase diagram in H∥b, where such fluctuations enhance the pairing interactions.
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Affiliation(s)
- Y Tokunaga
- ASRC, Japan Atomic Energy Agency Tokai, Ibaraki 319-1195, Japan
| | - H Sakai
- ASRC, Japan Atomic Energy Agency Tokai, Ibaraki 319-1195, Japan
| | - S Kambe
- ASRC, Japan Atomic Energy Agency Tokai, Ibaraki 319-1195, Japan
| | - P Opletal
- ASRC, Japan Atomic Energy Agency Tokai, Ibaraki 319-1195, Japan
| | - Y Tokiwa
- ASRC, Japan Atomic Energy Agency Tokai, Ibaraki 319-1195, Japan
| | - Y Haga
- ASRC, Japan Atomic Energy Agency Tokai, Ibaraki 319-1195, Japan
| | - S Kitagawa
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - K Ishida
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - D Aoki
- IMR, Tohoku University, Ibaraki 311-1313, Japan
- Université Grenoble Alpes, CEA, Grenoble-INP, IRIG, Pheliqs, 38000 Grenoble, France
| | - G Knebel
- Université Grenoble Alpes, CEA, Grenoble-INP, IRIG, Pheliqs, 38000 Grenoble, France
| | - G Lapertot
- Université Grenoble Alpes, CEA, Grenoble-INP, IRIG, Pheliqs, 38000 Grenoble, France
| | - S Krämer
- Laboratoire National des Champs Magnétiques Intenses, LNCMI-CNRS (UPR3228), EMFL, Université Grenoble Alpes, UPS and INSA Toulouse, Boîte Postale 166, 38042 Grenoble Cedex 9, France
| | - M Horvatić
- Laboratoire National des Champs Magnétiques Intenses, LNCMI-CNRS (UPR3228), EMFL, Université Grenoble Alpes, UPS and INSA Toulouse, Boîte Postale 166, 38042 Grenoble Cedex 9, France
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9
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Nakamura S, Sakai M, Ishizaka N, Mayumi K, Kinoshita T, Akamatsu S, Nishikata T, Tanabe S, Nakano H, Tanabe S, Takizawa T, Yamada T, Sakai H, Kaidu M, Sasamoto R, Ishikawa H, Utsunomiya S. Deep learning-based detection and classification of multi-leaf collimator modeling errors in volumetric modulated radiation therapy. J Appl Clin Med Phys 2023; 24:e14136. [PMID: 37633834 PMCID: PMC10691639 DOI: 10.1002/acm2.14136] [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: 02/24/2023] [Revised: 08/10/2023] [Accepted: 08/12/2023] [Indexed: 08/28/2023] Open
Abstract
PURPOSE The purpose of this study was to create and evaluate deep learning-based models to detect and classify errors of multi-leaf collimator (MLC) modeling parameters in volumetric modulated radiation therapy (VMAT), namely the transmission factor (TF) and the dosimetric leaf gap (DLG). METHODS A total of 33 clinical VMAT plans for prostate and head-and-neck cancer were used, assuming a cylindrical and homogeneous phantom, and error plans were created by altering the original value of the TF and the DLG by ± 10, 20, and 30% in the treatment planning system (TPS). The Gaussian filters ofσ = 0.5 $\sigma = 0.5$ and 1.0 were applied to the planar dose maps of the error-free plan to mimic the measurement dose map, and thus dose difference maps between the error-free and error plans were obtained. We evaluated 3 deep learning-based models, created to perform the following detections/classifications: (1) error-free versus TF error, (2) error-free versus DLG error, and (3) TF versus DLG error. Models to classify the sign of the errors were also created and evaluated. A gamma analysis was performed for comparison. RESULTS The detection and classification of TF and DLG error were feasible forσ = 0.5 $\sigma = 0.5$ ; however, a considerable reduction of accuracy was observed forσ = 1.0 $\sigma = 1.0$ depending on the magnitude of error and treatment site. The sign of errors was detectable by the specifically trained models forσ = 0.5 $\sigma = 0.5$ and 1.0. The gamma analysis could not detect errors. CONCLUSIONS We demonstrated that the deep learning-based models could feasibly detect and classify TF and DLG errors in VMAT dose distributions, depending on the magnitude of the error, treatment site, and the degree of mimicked measurement doses.
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Affiliation(s)
- Sae Nakamura
- Department of Radiation OncologyNiigata Neurosurgical Hospital, Nishi‐kuNiigata CityNiigataJapan
| | - Madoka Sakai
- Department of RadiologyNagaoka Chuo General Hospital, NagaokaNagaokaNiigataJapan
- Department of Radiology and Radiation OncologyNiigata University Graduate School of Medical and Dental Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Natsuki Ishizaka
- Department of RadiologyNiigata Prefectural Shibata HospitalShibata CityNiigataJapan
| | - Kazuki Mayumi
- Department of Radiological TechnologyNiigata University Graduate School of Health Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Tomotaka Kinoshita
- Department of Radiological TechnologyNiigata University Graduate School of Health Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Shinya Akamatsu
- Department of Radiological TechnologyNiigata University Graduate School of Health Sciences, Chuo‐kuNiigata CityNiigataJapan
- Department of RadiologyTakeda General Hospital, Aizuwakamatu CityFukushimaJapan
| | - Takayuki Nishikata
- Department of Radiological TechnologyNiigata University Graduate School of Health Sciences, Chuo‐kuNiigata CityNiigataJapan
- Division of RadiologyNagaoka Red Cross HospitalNagaoka CityNiigataJapan
| | - Shunpei Tanabe
- Department of Radiation OncologyNiigata University Medical and Dental Hospital, Chuo‐kuNiigata CityNiigataJapan
| | - Hisashi Nakano
- Department of Radiation OncologyNiigata University Medical and Dental Hospital, Chuo‐kuNiigata CityNiigataJapan
| | - Satoshi Tanabe
- Department of Radiation OncologyNiigata University Medical and Dental Hospital, Chuo‐kuNiigata CityNiigataJapan
| | - Takeshi Takizawa
- Department of Radiation OncologyNiigata Neurosurgical Hospital, Nishi‐kuNiigata CityNiigataJapan
- Department of Radiology and Radiation OncologyNiigata University Graduate School of Medical and Dental Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Takumi Yamada
- Section of RadiologyDepartment of Clinical SupportNiigata University Medical and Dental Hospital, Chuo‐kuNiigata CityNiigataJapan
| | - Hironori Sakai
- Section of RadiologyDepartment of Clinical SupportNiigata University Medical and Dental Hospital, Chuo‐kuNiigata CityNiigataJapan
| | - Motoki Kaidu
- Department of Radiology and Radiation OncologyNiigata University Graduate School of Medical and Dental Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Ryuta Sasamoto
- Department of Radiological TechnologyNiigata University Graduate School of Health Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Hiroyuki Ishikawa
- Department of Radiology and Radiation OncologyNiigata University Graduate School of Medical and Dental Sciences, Chuo‐kuNiigata CityNiigataJapan
| | - Satoru Utsunomiya
- Department of Radiological TechnologyNiigata University Graduate School of Health Sciences, Chuo‐kuNiigata CityNiigataJapan
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10
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Yoshino N, Yokoyama T, Sakai H, Sugiyama I, Odagiri T, Kimura M, Hojo W, Saino T, Muraki Y. Suitability of Polymyxin B as a Mucosal Adjuvant for Intranasal Influenza and COVID-19 Vaccines. Vaccines (Basel) 2023; 11:1727. [PMID: 38006059 PMCID: PMC10675063 DOI: 10.3390/vaccines11111727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
Polymyxin B (PMB) is an antibiotic that exhibits mucosal adjuvanticity for ovalbumin (OVA), which enhances the immune response in the mucosal compartments of mice. Frequent breakthrough infections of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants indicate that the IgA antibody levels elicited by the mRNA vaccines in the mucosal tissues were insufficient for the prophylaxis of this infection. It remains unknown whether PMB exhibits mucosal adjuvanticity for antigens other than OVA. This study investigated the adjuvanticity of PMB for the virus proteins, hemagglutinin (HA) of influenza A virus, and the S1 subunit and S protein of SARS-CoV-2. BALB/c mice immunized either intranasally or subcutaneously with these antigens alone or in combination with PMB were examined, and the antigen-specific antibodies were quantified. PMB substantially increased the production of antigen-specific IgA antibodies in mucosal secretions and IgG antibodies in plasma, indicating its adjuvanticity for both HA and S proteins. This study also revealed that the PMB-virus antigen complex diameter is crucial for the induction of mucosal immunity. No detrimental effects were observed on the nasal mucosa or olfactory bulb. These findings highlight the potential of PMB as a safe candidate for intranasal vaccination to induce mucosal IgA antibodies for prophylaxis against mucosally transmitted infections.
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Affiliation(s)
- Naoto Yoshino
- Division of Infectious Diseases and Immunology, Department of Microbiology, School of Medicine, Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
| | - Takuya Yokoyama
- Department of Anatomy (Cell Biology), Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
- Laboratory of Veterinary Anatomy and Cell Biology, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka 020-8550, Iwate, Japan
| | - Hironori Sakai
- R&D, Cellspect Co., Ltd., 2-4-23 Kitaiioka, Morioka 020-0857, Iwate, Japan
| | - Ikumi Sugiyama
- Division of Advanced Pharmaceutics, Department of Clinical Pharmaceutical Science, School of Pharmacy, Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
| | - Takashi Odagiri
- Division of Infectious Diseases and Immunology, Department of Microbiology, School of Medicine, Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
| | - Masahiro Kimura
- Division of Infectious Diseases and Immunology, Department of Microbiology, School of Medicine, Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
| | - Wataru Hojo
- R&D, Cellspect Co., Ltd., 2-4-23 Kitaiioka, Morioka 020-0857, Iwate, Japan
| | - Tomoyuki Saino
- Department of Anatomy (Cell Biology), Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
| | - Yasushi Muraki
- Division of Infectious Diseases and Immunology, Department of Microbiology, School of Medicine, Iwate Medical University, 1-1-1 Idaidori, Yahaba 028-3694, Iwate, Japan
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11
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Nishikubo M, Tanaka Y, Mitsui S, Doi T, Hokka D, Hojo W, Sakai H, Funakoshi Y, Yakushijin K, Ohji G, Minami H, Maniwa Y. Comparable efficacy and safety of COVID-19 vaccines for patients receiving tegafur-uracil as postoperative adjuvant chemotherapy. Surg Today 2023; 53:1057-1063. [PMID: 36752867 PMCID: PMC9907870 DOI: 10.1007/s00595-023-02649-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 01/05/2023] [Indexed: 02/09/2023]
Abstract
PURPOSE Many effective vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have been developed, but a weaker response in individuals undergoing anticancer treatment has been reported. This study evaluates the immunogenic status and safety of SARS-CoV-2 vaccines for patients with non-small-cell lung cancer (NSCLC), receiving tegafur-uracil (UFT) as postoperative adjuvant chemotherapy. METHODS The subjects of this prospective study were 40 patients who underwent surgery for NSCLC and received SARS-CoV-2 vaccines postoperatively. We compared the antibody titers of SARS-CoV-2 vaccines and the adverse events between patients who received adjuvant UFT and patients who did not. RESULTS The mean anti-S1 IgG titers were not significantly different between the UFT and without-UFT groups (mean optimal density, 0.194 vs. 0.205; P = 0.76). Multivariate analysis identified the period after the second vaccination as an independent predictor of anti-S1 IgG titer (P = 0.049), but not the UFT status (with or without-UFT treatment; P = 0.47). The prevalence of adverse events did not differ significantly between the groups, and no severe adverse events occurred. CONCLUSIONS The efficacy and safety of the SARS-CoV-2 vaccines for NSCLC patients who received postoperative adjuvant UFT chemotherapy were comparable to those for NSCLC patients who did not receive postoperative adjuvant UFT chemotherapy. CLINICAL TRIAL REGISTRATION This study was registered with the University Hospital Medical Information Network (UMIN) in Japan (UMIN000047380).
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Affiliation(s)
- Megumi Nishikubo
- Division of Thoracic Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yugo Tanaka
- Division of Thoracic Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Suguru Mitsui
- Division of Thoracic Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takefumi Doi
- Division of Thoracic Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Daisuke Hokka
- Division of Thoracic Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Wataru Hojo
- R&D, Cellspect Co., Ltd., 2-4-23 Kitaiioka, Morioka, Iwate, 020-0857, Japan
| | - Hironori Sakai
- R&D, Cellspect Co., Ltd., 2-4-23 Kitaiioka, Morioka, Iwate, 020-0857, Japan
| | - Yohei Funakoshi
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Kimikazu Yakushijin
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Goh Ohji
- Division of Infection Disease Therapeutics, Department of Microbiology and Infectious Diseases, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hironobu Minami
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoshimasa Maniwa
- Division of Thoracic Surgery, Department of Surgery, Kobe University Hospital and Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuou-ku, Kobe, Hyogo, 650-0017, Japan
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12
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Funakoshi Y, Yakushijin K, Ohji G, Matsutani T, Hojo W, Sakai H, Matsumoto S, Watanabe M, Kitao A, Saito Y, Kawamoto S, Yamamoto K, Koyama T, Nagatani Y, Kimbara S, Imamura Y, Kiyota N, Ito M, Minami H. Response to mRNA SARS-CoV-2 vaccination evaluated by B-cell receptor repertoire after tixagevimab/cilgavimab administration. Br J Haematol 2023; 202:504-516. [PMID: 37349876 DOI: 10.1111/bjh.18932] [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: 03/22/2023] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/24/2023]
Abstract
The use of anti-SARS-CoV-2 antibody products like tixagevimab/cilgavimab represents an important strategy to protect immunocompromised patients with haematological malignancies from COVID-19. Although patients who receive these agents should still be vaccinated, the use of tixagevimab/cilgavimab can mask the production of anti-spike antibody after vaccination, making it hard to assess vaccine response. We have newly established a quantification method to assess the response to SARS-CoV-2 vaccination at the mRNA level using B-cell receptor (BCR) repertoire assay and the Coronavirus Antibody Database (CoV-AbDab). Repeated blood samples before and after vaccination were analysed for the BCR repertoire, and BCR sequences were searched in the database. We analysed the number and percentage frequency of matched sequences. We found that the number of matched sequences increased 2 weeks after the first vaccination and quickly decreased. Meanwhile, the number of matched sequences more rapidly increased after the second vaccination. These results show that the postvaccine immune response can be assessed at the mRNA level by analysing the fluctuation in matching sequences. Finally, BCR repertoire analysis with CoV-AbDab clearly demonstrated the response to mRNA SARS-CoV-2 vaccination even after tixagevimab/cilgavimab administration in haematological malignancy patients who underwent allogeneic haematopoietic stem cell transplantation.
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Affiliation(s)
- Yohei Funakoshi
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Kimikazu Yakushijin
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Goh Ohji
- Division of Infection Disease Therapeutics, Department of Microbiology and Infectious Diseases, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Takaji Matsutani
- Research & Development Department, Repertoire Genesis Inc., Ibaraki, Japan
| | | | | | - Sakuya Matsumoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Marika Watanabe
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Akihito Kitao
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Yasuyuki Saito
- Division of Molecular and Cellular Signaling, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shinichiro Kawamoto
- Department of Transfusion Medicine and Cell Therapy, Kobe University Hospital, Kobe, Japan
| | - Katsuya Yamamoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Taiji Koyama
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Yoshiaki Nagatani
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Shiro Kimbara
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Yoshinori Imamura
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Naomi Kiyota
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
- Cancer Center, Kobe University Hospital, Kobe, Japan
| | - Mitsuhiro Ito
- Division of Medical Biophysics, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Hironobu Minami
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
- Cancer Center, Kobe University Hospital, Kobe, Japan
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13
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Kinjo K, Fujibayashi H, Matsumura H, Hori F, Kitagawa S, Ishida K, Tokunaga Y, Sakai H, Kambe S, Nakamura A, Shimizu Y, Homma Y, Li D, Honda F, Aoki D. Superconducting spin reorientation in spin-triplet multiple superconducting phases of UTe 2. Sci Adv 2023; 9:eadg2736. [PMID: 37506206 PMCID: PMC10381943 DOI: 10.1126/sciadv.adg2736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 06/23/2023] [Indexed: 07/30/2023]
Abstract
Superconducting (SC) state has spin and orbital degrees of freedom, and spin-triplet superconductivity shows multiple SC phases because of the presence of these degrees of freedom. However, the observation of spin-direction rotation occurring inside the SC state (SC spin rotation) has hardly been reported. Uranium ditelluride, a recently found topological superconductor, exhibits various SC phases under pressure: SC state at ambient pressure (SC1), high-temperature SC state above 0.5 gigapascal (SC2), and low-temperature SC state above 0.5 gigapascal (SC3). We performed nuclear magnetic resonance (NMR) and ac susceptibility measurements on a single-crystal uranium ditelluride. The b axis spin susceptibility remains unchanged in SC2, unlike in SC1, and decreases below the SC2-SC3 transition with spin modulation. These unique properties in SC3 arise from the coexistence of two SC order parameters. Our NMR results confirm spin-triplet superconductivity with SC spin parallel to b axis in SC2 and unveil the remaining of spin degrees of freedom in SC uranium ditelluride.
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Affiliation(s)
- Katsuki Kinjo
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Hiroki Fujibayashi
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Hiroki Matsumura
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Fumiya Hori
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Shunsaku Kitagawa
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Kenji Ishida
- Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
| | - Yo Tokunaga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Hironori Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Shinsaku Kambe
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Ai Nakamura
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - Yusei Shimizu
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - Yoshiya Homma
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - Dexin Li
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - Fuminori Honda
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
- Central Institute of Radioisotope Science and Safety, Kyushu University, Fukuoka 819-0395, Japan
| | - Dai Aoki
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
- University Grenoble Alpes, CEA, Grenoble INP, IRIG, PHELIQS, F-38000 Grenoble, France
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14
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Yamada T, Nakano H, Tanabe S, Sakai T, Tanabe S, Oka T, Sakai H, Oshikane T, Nakano T, Ohta A, Kanazawa T, Kaidu M, Ishikawa H. Verification of Qfix Encompass™ couch modeling using the Acuros XB algorithm and HypeArc™ using a high-spatial-resolution two-dimensional diode array. Med Dosim 2023; 48:261-266. [PMID: 37455221 DOI: 10.1016/j.meddos.2023.06.002] [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: 03/18/2023] [Revised: 05/15/2023] [Accepted: 06/20/2023] [Indexed: 07/18/2023]
Abstract
We modeled the Qfix Encompass™ immobilization system and further verified the calculated dose distribution of the AcurosXB (AXB) dose calculation algorithm using SRS MapCHECKⓇ (SRSMC) in the HyperArc™ (HA) clinical plan. An Encompass system with a StereoPHAN™ QA phantom was scanned by SOMATOM go.Sim and imported to an Eclipse™ treatment planning system to create a treatment plan for Encompass modeling. The Encompass modeling was performed in the StereoPHAN with a pinpoint ion chamber for 6 MV and 6 MV flattening filter free (6 MV FFF), and 2 × 2 cm2, 4 × 4 cm2, and 6 × 6 cm2 irradiation field sizes. The dose calculation algorithm used was AXB ver. 15.5 with a 1.0 mm calculation grid size. The Hounsfield unit (HU) values of the Encompass modeling were set to 400, -100, -200, and -300 for Encompass, and -400, -600, -700, and -800 for the Encompass base. We evaluated the dose distribution after Encompass modeling by SRSMC using gamma analysis in 12 patients. We adopted HU values of -200 for Encompass, -800 for Encompass base for 6 MV, and -200 for Encompass and -700 for Encompass. Base for 6 MV FFF was adopted as the HU values for the Encompass modeling based on the measurement results. The proposed Encompass modeling resulted in a mean pass rate evaluation >98% for both 6 MV and 6 MV FFF when the 1%/1 mm criterion was used, demonstrating that the proposed HU value can be adopted to calculate more accurate dose distributions.
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Affiliation(s)
- Takumi Yamada
- Section of Radiology, Department of Clinical Support, Niigata University Medical and Dental Hospital, Niigata, 951-8520, Japan
| | - Hisashi Nakano
- Department of Radiation Oncology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; Department of Medical Physics and Engineering, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan.
| | - Satoshi Tanabe
- Department of Radiation Oncology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan
| | - Tatsuya Sakai
- Section of Radiology, Department of Clinical Support, Niigata University Medical and Dental Hospital, Niigata, 951-8520, Japan
| | - Shunpei Tanabe
- Department of Radiation Oncology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan
| | - Tetsuya Oka
- Section of Radiology, Department of Clinical Support, Niigata University Medical and Dental Hospital, Niigata, 951-8520, Japan
| | - Hironori Sakai
- Section of Radiology, Department of Clinical Support, Niigata University Medical and Dental Hospital, Niigata, 951-8520, Japan
| | - Tomoya Oshikane
- Department of Radiation Oncology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan
| | - Toshimichi Nakano
- Department of Radiology and Radiation Oncology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, 951-8122, Japan
| | - Atsushi Ohta
- Department of Radiation Oncology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan
| | - Tsutomu Kanazawa
- Section of Radiology, Department of Clinical Support, Niigata University Medical and Dental Hospital, Niigata, 951-8520, Japan
| | - Motoki Kaidu
- Department of Radiology and Radiation Oncology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, 951-8122, Japan
| | - Hiroyuki Ishikawa
- Department of Radiology and Radiation Oncology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, 951-8122, Japan
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15
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Ishihara K, Roppongi M, Kobayashi M, Imamura K, Mizukami Y, Sakai H, Opletal P, Tokiwa Y, Haga Y, Hashimoto K, Shibauchi T. Chiral superconductivity in UTe 2 probed by anisotropic low-energy excitations. Nat Commun 2023; 14:2966. [PMID: 37221184 DOI: 10.1038/s41467-023-38688-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/08/2023] [Indexed: 05/25/2023] Open
Abstract
Chiral spin-triplet superconductivity is a topologically nontrivial pairing state with broken time-reversal symmetry, which can host Majorana quasiparticles. The heavy-fermion superconductor UTe2 exhibits peculiar properties of spin-triplet pairing, and the possible chiral state has been actively discussed. However, the symmetry and nodal structure of its order parameter in the bulk, which determine the Majorana surface states, remains controversial. Here we focus on the number and positions of superconducting gap nodes in the ground state of UTe2. Our magnetic penetration depth measurements for three field orientations in three crystals all show the power-law temperature dependence with exponents close to 2, which excludes single-component spin-triplet states. The anisotropy of low-energy quasiparticle excitations indicates multiple point nodes near the ky- and kz-axes in momentum space. These results can be consistently explained by a chiral B3u + iAu non-unitary state, providing fundamentals of the topological properties in UTe2.
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Affiliation(s)
- Kota Ishihara
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan.
| | - Masaki Roppongi
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan
| | - Masayuki Kobayashi
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan
| | - Kumpei Imamura
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan
| | - Yuta Mizukami
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan
- Department of Physics, Graduate School of Science, Tohoku University, 6-3, Aramaki Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Hironori Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - Petr Opletal
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - Yoshifumi Tokiwa
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - Yoshinori Haga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan
| | - Kenichiro Hashimoto
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan
| | - Takasada Shibauchi
- Department of Advanced Materials Science, University of Tokyo, Kashiwa, Chiba, 277-8561, Japan.
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16
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Sakai H, Tokiwa Y, Opletal P, Kimata M, Awaji S, Sasaki T, Aoki D, Kambe S, Tokunaga Y, Haga Y. Field Induced Multiple Superconducting Phases in UTe_{2} along Hard Magnetic Axis. Phys Rev Lett 2023; 130:196002. [PMID: 37243663 DOI: 10.1103/physrevlett.130.196002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/19/2022] [Accepted: 04/04/2023] [Indexed: 05/29/2023]
Abstract
The superconducting (SC) phase diagram in uranium ditelluride is explored under magnetic fields (H) along the hard magnetic b axis using a high-quality single crystal with T_{c}=2.1 K. Simultaneous electrical resistivity and ac magnetic susceptibility measurements discern low- and high-field SC (LFSC and HFSC, respectively) phases with contrasting field-angular dependence. Crystal quality increases the upper critical field of the LFSC phase, but the H^{*} of ∼15 T, at which the HFSC phase appears, is always the same through the various crystals. A phase boundary signature is also observed inside the LFSC phase near H^{*}, indicating an intermediate SC phase characterized by small flux pinning forces.
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Affiliation(s)
- H Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Y Tokiwa
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - P Opletal
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - M Kimata
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - S Awaji
- High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - T Sasaki
- Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - D Aoki
- Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - S Kambe
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Y Tokunaga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Y Haga
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
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17
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Griesinger F, Garassino M, Felip E, Sakai H, Le X, Veillon R, Smit E, Raskin J, Thomas M, Ahn MJ, Vlassak S, Bruns R, Johne A, Paik P. 34P Treatment sequencing in the VISION study of tepotinib in patients with MET exon 14 (METex14) skipping NSCLC. J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00288-5] [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: 04/03/2023]
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18
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Sakai H, Kondo E, Tanaka H, Shimane T, Yamada S, Kurita H. COVID-19 transmission in dental practice during the pandemic: A questionnaire-based survey in private dental clinics in Japan. J Dent Sci 2023; 18:497-502. [PMID: 36211024 PMCID: PMC9525217 DOI: 10.1016/j.jds.2022.09.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/16/2022] [Accepted: 09/17/2022] [Indexed: 01/08/2023] Open
Abstract
Background/purpose The global coronavirus disease 2019 (COVID-19) pandemic continues to cause a significant impact on patient care due to its considerable transmissibility, morbidity, and mortality. The aim of this study was to investigate whether dental procedures performed at private dental clinics were associated with the occurrence of COVID-19 clusters and measures taken to prevent nosocomial infection of COVID-19. Materials and methods An online questionnaire-based survey on clinical activities, infection control measures, and confirmed or probable COVID-19 cases among patients and clinical staff during the pandemic (February 2020 to September 2021) was administered to dentists at private dental clinics in Nagano prefecture, Japan. Almost all dentists engaged in dental treatment were actively implementing standard precautions. Results Twenty-seven dental clinics provided dental care to infected patients (nine confirmed and eighteen probable), but there was no transmission from patients to staff. Ten clinics had staff who were infected, but none exhibited disease transmission from staff to patients. Conclusion The results of this survey suggest that COVID-19 clusters might not occur in dental settings where appropriate protective measures are implemented.
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Affiliation(s)
- Hironori Sakai
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Eiji Kondo
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hirokazu Tanaka
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Tetsu Shimane
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Shinichi Yamada
- Department of Oral and Maxillofacial Surgery, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Hiroshi Kurita
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
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19
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Otagiri H, Kurita H, Yamada SI, Sakai H, Tobata H, Yanai K, Matsubara K, Eguchi T. Efficacy of cetylpridium chloride mouthwash compared to povidone iodine on oral flora for perioperative patient care: A randomized controlled feasibility study. Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology 2023. [DOI: 10.1016/j.ajoms.2023.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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20
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Koiwai K, Hirasawa D, Sugimura M, Endo Y, Mizuhata K, Ina H, Fukazawa A, Kitoh R, Sakai H, Fujinaga Y. Impact of upgraded radiotherapy system on outcomes in postoperative head and neck squamous cell carcinoma patients. Rep Pract Oncol Radiother 2022; 27:954-962. [PMID: 36632299 PMCID: PMC9826660 DOI: 10.5603/rpor.a2022.0120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 10/11/2022] [Accepted: 11/04/2022] [Indexed: 12/12/2022] Open
Abstract
Background This study was performed to evaluate the impact of upgrade of radiotherapy system, including launch of intensity-modulated radiation therapy (IMRT), on the therapeutic outcomes. Materials and methods Patients with head and neck (H&N) squamous cell carcinoma (SCC) who underwent postoperative radiotherapy at our hospital between June 2009 and July 2019 were retrospectively reviewed. In July 2014, we converted the radiotherapy technique for these patients from a 3-dimensional conformal radiotherapy (3D-CRT) to IMRT, along with the adoption of a meticulous planning policy and a few advanced procedures, including online imaging guidance. Results A total of 136 patients (57 treated with the previous system and 79 treated with the upgraded system) were reviewed. There were significantly more patients with extracapsular extension in the upgraded-system group than the previous-system group (p = 0.0021). There were significantly fewer patients with ≥ Grade 2 acute and late adverse events in the upgraded-system group than the previous-system group. The differences in progression-free survival (PFS), distant metastasis-free survival (DFFS), locoregional progression-free survival (LRPFS), and overall survival (OS) between the two groups were not statistically significant (p = 0.8962, 0.9926, 0.6244, and 0.4827, respectively). Multivariate analysis revealed that the upgrade had neither positive nor negative impact on survival outcomes. Extracapsular extension was independently associated with decreased LRPFS and OS (p = 0.0499 and 0.0392, respectively). Conclusions The IMRT-centered upgrade was beneficial for the postoperative patients with H&N SCC, because survival outcomes were sustained with less toxicities.
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Affiliation(s)
- Keiichiro Koiwai
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Dai Hirasawa
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Miyu Sugimura
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Yuuki Endo
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Kai Mizuhata
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Hironobu Ina
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Ayumu Fukazawa
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Ryosuke Kitoh
- Department of Otorhinolaryngology, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Hironori Sakai
- Department of Dentistry and Oral Surgery, Shinshu University, School of Medicine, Matsumoto, Japan
| | - Yasunari Fujinaga
- Department of Radiology, Shinshu University, School of Medicine, Matsumoto, Japan
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21
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Yang JH, Kato T, Ahn MJ, Sakai H, Morise M, Chen YM, Han JY, Yang J, Zhao J, Huang JC, Berghoff K, Bruns R, Vioix H, Otto G, Le X, Paik P. 321MO Tepotinib in patients with MET exon 14 (METex14) skipping NSCLC: Results from all Asian patients in VISION. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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22
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Watanabe M, Yakushijin K, Funakoshi Y, Ohji G, Ichikawa H, Sakai H, Hojo W, Saeki M, Hirakawa Y, Matsumoto S, Sakai R, Nagao S, Kitao A, Miyata Y, Koyama T, Saito Y, Kawamoto S, Yamamoto K, Ito M, Murayama T, Matsuoka H, Minami H. A Third Dose COVID-19 Vaccination in Allogeneic Hematopoietic Stem Cell Transplantation Patients. Vaccines (Basel) 2022; 10:1830. [PMID: 36366338 PMCID: PMC9695068 DOI: 10.3390/vaccines10111830] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [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: 10/10/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 10/06/2023] Open
Abstract
We previously reported that a second dose of BNT162b2 was safe and effective for allogeneic hematopoietic stem cell transplantation (HSCT) patients. Here, we investigated the safety and efficacy of a third dose of COVID-19 mRNA vaccine in allogeneic HSCT patients. Antibody titers against the S1 spike protein were measured using the QuaResearch COVID-19 Human IgM IgG ELISA kit. The previous study included 25 allogeneic HSCT patients who received two doses of BNT162b2. Following the exclusion of three patients because of the development of COVID-19 (n = 2) and loss to follow-up (n = 1), the study evaluated 22 allogeneic HSCT patients who received a third dose of COVID-19 mRNA vaccine (BNT162b2 [n = 15] and mRNA-1273 [n = 7]). Median age at the time of the first vaccination was 56 (range, 23-71) years. Five patients were receiving immunosuppressants at the third vaccination, namely calcineurin inhibitors (CI) alone (n = 1), steroids alone (n = 2), or CI combined with steroids (n = 2). Twenty-one patients (95%) seroconverted after the third dose. None of our patients had serious adverse events, new-onset graft-versus-host disease (GVHD), or GVHD exacerbation after vaccination. A third dose of the BNT162b2 and mRNA-1273 COVID-19 vaccines was safe and effective for allogeneic HSCT patients.
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Affiliation(s)
- Marika Watanabe
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Kimikazu Yakushijin
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Yohei Funakoshi
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Goh Ohji
- Division of Infectious Disease Therapeutics, Department of Microbiology and Infectious Diseases, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan
| | - Hiroya Ichikawa
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | | | - Wataru Hojo
- R&D, Cellspect Co., Ltd., Morioka 020-0857, Japan
| | - Miki Saeki
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Yuri Hirakawa
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Sakuya Matsumoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Rina Sakai
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Shigeki Nagao
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Akihito Kitao
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Yoshiharu Miyata
- BioResource Center, Kobe University Hospital, Kobe 650-0047, Japan
| | - Taiji Koyama
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Yasuyuki Saito
- Division of Molecular and Cellular Signaling, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan
| | - Shinichiro Kawamoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Katsuya Yamamoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
| | - Mitsuhiro Ito
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
- Laboratory of Hematology, Division of Medical Biophysics, Kobe University Graduate School of Health Sciences, Kobe 654-0142, Japan
| | - Tohru Murayama
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
- Department of Hematology, Hyogo Cancer Center, Akashi 673-0021, Japan
| | - Hiroshi Matsuoka
- BioResource Center, Kobe University Hospital, Kobe 650-0047, Japan
| | - Hironobu Minami
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital Graduate School of Medicine, Kobe 650-0017, Japan
- Cancer Center, Kobe University Hospital, Kobe 650-0017, Japan
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23
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Thomas M, Garassino M, Felip E, Sakai H, Le X, Veillon R, Smit E, Mazieres J, Cortot A, Raskin J, Viteri S, Yang JH, Ahn MJ, Wu YL, Ma R, Zhao J, O'Brate A, Berghoff K, Bruns R, Otto G, Paik P. OA03.05 Tepotinib in Patients with MET Exon 14 (METex14) Skipping NSCLC: Primary Analysis of the Confirmatory VISION Cohort C. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.024] [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: 10/14/2022]
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24
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Smit E, Garassino M, Felip E, Sakai H, Le X, Veillon R, Mazieres J, Cortot A, Raskin J, Thomas M, Viteri Ramirez S, Berghoff K, Bruns R, Otto G, Paik P. 985P Tepotinib outcomes according to prior therapies in patients with MET exon 14 (METex14) skipping NSCLC. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1112] [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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25
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Kajihara R, Sakai H, Han Y, Amari K, Kawamoto M, Hakoyama Y, Nagashio S, Yamada SI, Sanjo H, Kurita H. Presence of periodontitis may synergistically contribute to cancer progression via Treg and IL-6. Sci Rep 2022; 12:11584. [PMID: 35804048 PMCID: PMC9270385 DOI: 10.1038/s41598-022-15690-w] [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: 02/14/2022] [Accepted: 06/28/2022] [Indexed: 11/09/2022] Open
Abstract
A close causal relationship has been suggested to exist between cancer and periodontitis. We hypothesized that the immune surveillance system is impaired in patients with periodontitis, which contributes to cancer development and growth. Therefore, the present study investigated the relationship between immune surveillance mechanisms and periodontitis in cancer patients. The presence or absence of periodontitis was assessed and the peripheral blood (PB) concentrations of IL-6, immunosuppressive cytokines (VEGF, TGF-β1, and CCL22) and proportion of T regulatory cells (Treg, CD3 + CD4 + CD25 + Foxp3 +) were measured. Subjects were classified into the following four groups: non-cancer patients without periodontitis (C − P −), non-cancer patients with periodontitis (C − P +), cancer patients without periodontitis (C + P −), and cancer patients with periodontitis (C + P +). The results of a multivariate analysis showed that the PB concentration of IL-6 was significantly higher in C + than in C- and higher in C + P + than in C + P −. The PB proportion of Treg was significantly higher in C + P + than in C + P −, C − P + , and C − P −. The results of this study suggested that the presence of periodontitis and cancer synergistically increased Treg in PB, which may be one of the underlying causes of immunosuppression and immune evasion in cancer. It was also suggested that the presence of periodontal disease and/or cancer also increases IL-6 in PB, which would be associated with cancer progression. These results suggest the possibility that the presence of periodontitis might synergistically contribute to cancer progression.
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Affiliation(s)
- Ryo Kajihara
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Hironori Sakai
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan.
| | - Yibing Han
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Kei Amari
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Makiko Kawamoto
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Yusuke Hakoyama
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Sachiho Nagashio
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Shin-Ichi Yamada
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
| | - Hideki Sanjo
- Department of Molecular and Cellular Immunology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hiroshi Kurita
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, 3-1-1, Asahi, Matsumoto, 390-8621, Japan
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26
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Yamatani Y, Saeki H, Tanaka R, Komeda T, Watabe Y, Sakai H. How Many Clinical Trials Exist that Have Adopted Selective Safety Data Collection? NEJM Literature Search Results: The Possibility of Harmonizing the ICH E19 Guideline. Ther Innov Regul Sci 2022; 56:677-684. [PMID: 35556233 DOI: 10.1007/s43441-022-00414-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 12/22/2021] [Accepted: 04/18/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND The selective safety data collection (SSDC) proposed in The International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use E19 guideline is a more selective approach to collect safety data of medicinal products with well-characterized safety profiles. There has been no systematic survey of the implementation status of SSDCs. METHODS A literature search was conducted on clinical trials using SSDC published in The New England Journal of Medicine from February 1, 2016, to December 31, 2019. By reviewing the retrieved texts, protocols, and statistical analysis plans, we identified the method of safety data collection and evaluated whether each trial adopted SSDC. RESULTS Of the 459 trials of medicinal products searched, 44 clinical trials adopted SSDC. The common objectives of these studies were "to study additional endpoints" (31 trials, 70.5%) and "new indications of approved drugs" (8 trials, 18.2%). Participant number was more than 1000 in 33 trials (75.0%). Most trials adopted SSDC for the entire study population throughout the trial period. Death and serious adverse events (SAEs) were recorded in all trials. Twenty-nine (66.6%) recorded death, SAE, and AE leading to drug discontinuation, which were specified in the E19 draft guideline as the data that should be collected under all circumstances. CONCLUSION There have already been cases where SSDC was used in clinical trials for regulatory application. It is desirable that the E19 guideline will harmonize the method for implementation of SSDC, making SSDC more common as an option for clinical trial design.
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Affiliation(s)
- Yuki Yamatani
- Data Science Expert Committee, Drug Evaluation Committee, Japan Pharmaceutical Manufacturers Association, Tokyo, Japan. .,Kissei Pharmaceutical Co., Ltd., 3-1-3, Koishikawa, Bunkyo, Tokyo, 112-0002, Japan.
| | - Hiroyuki Saeki
- Data Science Expert Committee, Drug Evaluation Committee, Japan Pharmaceutical Manufacturers Association, Tokyo, Japan.,FUJIFILM Toyama Chemical Co., Ltd., Tokyo, Japan
| | - Risa Tanaka
- Data Science Expert Committee, Drug Evaluation Committee, Japan Pharmaceutical Manufacturers Association, Tokyo, Japan.,Asahi Kasei Pharma Corporation, Tokyo, Japan
| | - Takuji Komeda
- Data Science Expert Committee, Drug Evaluation Committee, Japan Pharmaceutical Manufacturers Association, Tokyo, Japan.,Shionogi & Co., Ltd., Osaka, Japan
| | - Yukiko Watabe
- Chugai Pharmaceutical Co., Ltd., Tokyo, Japan.,Clinical Evaluation Expert Committee, Drug Evaluation Committee, Japan Pharmaceutical Manufacturers Association, Tokyo, Japan
| | - Hironori Sakai
- Data Science Expert Committee, Drug Evaluation Committee, Japan Pharmaceutical Manufacturers Association, Tokyo, Japan.,Eisai Co., Ltd., Tokyo, Japan
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27
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Yang JH, Ahn MJ, Sakai H, Morise M, Kato T, Chen YM, Han JY, Yang JJ, Zhao J, Huang J, Berghoff K, Bruns R, Otto G, Le X, Paik P. 25P Tepotinib in Asian patients with advanced NSCLC with MET exon 14 (METex14) skipping. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.02.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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28
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Haga Y, Opletal P, Tokiwa Y, Yamamoto E, Tokunaga Y, Kambe S, Sakai H. Effect of uranium deficiency on normal and superconducting properties in unconventional superconductor UTe 2. J Phys Condens Matter 2022; 34:175601. [PMID: 35120343 DOI: 10.1088/1361-648x/ac5201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Single crystals of the unconventional superconductor UTe2have been grown in various conditions which result in different superconducting transition temperature as well as normal state properties. Stoichiometry of the samples has been characterized by the single-crystal x-ray crystallography and electron microprobe analyses. Superconducting samples are nearly stoichiometric within an experimental error of about 1%, while non-superconducting sample significantly deviates from the ideal composition. The superconducting UTe2showed that the large density of states was partially gapped in the normal state, while the non-superconducting sample is characterized by the relatively large electronic specific heat as reported previously.
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Affiliation(s)
- Y Haga
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
| | - P Opletal
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
| | - Y Tokiwa
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
| | - E Yamamoto
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
| | - Y Tokunaga
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
| | - S Kambe
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
| | - H Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Japan
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29
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Paik P, O'Hara R, Veillon R, Felip E, Cortot A, Sakai H, Mazières J, Thomas M, Reinmuth N, Raskin J, Conte P, Garassino M, Iams W, Griesinger F, Kowalski D, Stroh C, Juraeva D, Scheuenpflug J, Johne A, Le X. METex14 ctDNA Dynamics & Resistance Mechanisms Detected in Liquid Biopsy (LBx) From Patients (pts) With METex14 Skipping NSCLC Treated With Tepotinib. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2021.10.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Funakoshi Y, Yakushijin K, Ohji G, Hojo W, Sakai H, Watanabe M, Saeki M, Hirakawa Y, Sakai R, Matsumoto S, Mizutani Y, Kitao A, Miyata Y, Saito Y, Kawamoto S, Yamamoto K, Ito M, Nishimura M, Imamura Y, Kiyota N, Matsuoka H, Mori Y, Minami H. Limited increase in antibody titers following mRNA SARS-CoV-2 vaccination for more than 3 years after final dose of anti-CD20 antibody. Int J Hematol 2022; 115:7-10. [PMID: 34981433 PMCID: PMC8723797 DOI: 10.1007/s12185-021-03247-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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: 09/06/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 02/04/2023]
Abstract
We investigated the efficacy of BNT162b2 mRNA COVID-19 vaccine in patients with B-cell malignancies treated with anti-CD20 antibody. Although T-cell-mediated immune responses were detected even in patients receiving R-CHOP treatment, the S1 antibody titer following BNT162b2 vaccination remained only marginally increased for more than 3 years after the final dose of anti-CD20 antibody. We found no relationship between the percent of B-cells and S1 antibody titer. The duration of this suppression was much longer than we anticipated. Further protection and treatment strategies against COVID-19 for these patients are warranted.
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Affiliation(s)
- Yohei Funakoshi
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan.
| | - Kimikazu Yakushijin
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Goh Ohji
- Division of Infection Disease Therapeutics, Department of Microbiology and Infectious Diseases, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Wataru Hojo
- R&D, Cellspect Co., Ltd, Morioka, Iwate, Japan
| | | | - Marika Watanabe
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Miki Saeki
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Yuri Hirakawa
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Rina Sakai
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Sakuya Matsumoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Yu Mizutani
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Akihito Kitao
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | | | - Yasuyuki Saito
- Division of Molecular and Cellular Signaling, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shinichiro Kawamoto
- Department of Transfusion Medicine and Cell Therapy, Kobe University Hospital, Kobe, Japan
| | - Katsuya Yamamoto
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Mitsuhiro Ito
- Division of Medical Biophysics, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Meiko Nishimura
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Yoshinori Imamura
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan
| | - Naomi Kiyota
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan.,Cancer Center, Kobe University Hospital, Kobe, Japan
| | | | - Yasuko Mori
- Division of Clinical Virology, Center for Infectious Diseases, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hironobu Minami
- Division of Medical Oncology/Hematology, Department of Medicine, Kobe University Hospital and Graduate School of Medicine, Kobe, Japan.,Cancer Center, Kobe University Hospital, Kobe, Japan
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31
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Tabata C, Shirasaki K, Sakai H, Sunaga A, Li D, Konaka M, Yamamura T. Influence of additives on low-temperature hydrothermal synthesis of UO 2+x and ThO 2. CrystEngComm 2022. [DOI: 10.1039/d2ce00278g] [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: 11/21/2022]
Abstract
UO2+x and ThO2 were synthesized through a hydrothermal reaction by adding aldehydes.
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Affiliation(s)
- Chihiro Tabata
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Osaka 590-0494, Japan
| | - Kenji Shirasaki
- Institute for Materials Research, Tohoku University, Sendai, Miyagi 980-8577, Japan
| | - Hironori Sakai
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
| | - Ayaki Sunaga
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Osaka 590-0494, Japan
| | - Dexin Li
- International Research Center for Nuclear Materials Science, Institute for Materials Research, Tohoku University, Oarai, Ibaraki 311-1313, Japan
| | - Mariko Konaka
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Osaka 590-0494, Japan
| | - Tomoo Yamamura
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Osaka 590-0494, Japan
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32
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Reck M, Ciuleanu TE, Cobo M, Schenker M, Zurawski B, Menezes J, Richardet E, Bennouna J, Felip E, Juan-Vidal O, Alexandru A, Sakai H, Lingua A, Reyes F, Souquet PJ, De Marchi P, Martin C, Pérol M, Scherpereel A, Lu S, Paz-Ares L, Carbone DP, Memaj A, Marimuthu S, Zhang X, Tran P, John T. Corrigendum to 'First-line nivolumab plus ipilimumab with 2 cycles of chemotherapy versus chemotherapy alone (4 cycles) in advanced non-small cell lung cancer: CheckMate 9LA 2-year update': [ESMO Open Volume 6, Issue 5, October 2021, 100273]. ESMO Open 2021; 6:100345. [PMID: 34864501 PMCID: PMC8649668 DOI: 10.1016/j.esmoop.2021.100345] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- M Reck
- Department of Thoracic Oncology, Airway Research Center North, German Center for Lung Research, LungClinic, Grosshansdorf, Germany.
| | - T-E Ciuleanu
- Department of Oncology, Institutul Oncologic Prof Dr Ion Chiricuta and UMF Iuliu Hatieganu, Cluj-Napoca, Romania
| | - M Cobo
- Department of Medical Oncology, Unidad de Gestión Clínica Intercentros de Oncología Médica, Hospitales Universitarios Regional y Virgen de la Victoria, IBIMA, Málaga, Spain
| | - M Schenker
- Department of Oncology, SF Nectarie Oncology Center, Craiova, Romania
| | - B Zurawski
- Department of Clinical Oncology, Ambulatorium Chemioterapii, Bydgoszcz, Poland
| | - J Menezes
- Department of Oncology, Hospital Nossa Senhora da Conceição, Porto Alegre, Brazil
| | - E Richardet
- Department of Clinical Oncology, Instituto Oncológico de Córdoba, Córdoba, Argentina
| | - J Bennouna
- Department of Thoracic Oncology, University Hospital of Nantes and INSERM, CRCINA, Nantes, France
| | - E Felip
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - O Juan-Vidal
- Department of Medical Oncology, Hospital Universitario La Fe, Valencia, Spain
| | - A Alexandru
- Department of Oncology, Institute of Oncology Prof Dr Alexandru Trestioreanu Bucha, Bucharest, Romania
| | - H Sakai
- Department of Thoracic Oncology, Saitama Cancer Center, Saitama, Japan
| | - A Lingua
- Department of Medical Oncology, Instituto Medico Rio Cuarto, SA, Córdoba, Argentina
| | - F Reyes
- Department of Medical Oncology, Fundación Arturo López Pérez, Santiago, Metropolitana, Chile
| | - P-J Souquet
- Department of Pneumology, Hôpital Lyon Sud, Lyon, Pierre Bénite, France
| | - P De Marchi
- Department of Oncology, Barretos Cancer Hospital, Barretos, Brazil
| | - C Martin
- Department of Thoracic Oncology, Instituto Alexander Fleming, Buenos Aires, Argentina
| | - M Pérol
- Department of Thoracic Oncology, Léon Bérard Cancer Center, Lyon, France
| | - A Scherpereel
- Department of Pulmonary and Thoracic Oncology, University of Lille, CHU Lille, INSERM U1189, OncoThAI, Lille, France
| | - S Lu
- Department of Medical Oncology, Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai JiaoTong University, Shanghai, China
| | - L Paz-Ares
- Department of Medical Oncology, Hospital Universitario 12 de Octubre, CNIO-H12o Lung Cancer Clinical Research Unit, Universidad Complutense & CiberOnc, Madrid, Spain
| | - D P Carbone
- Department of Medical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, USA
| | - A Memaj
- Bristol Myers Squibb, Princeton, USA
| | | | - X Zhang
- Bristol Myers Squibb, Princeton, USA
| | - P Tran
- Bristol Myers Squibb, Princeton, USA
| | - T John
- Department of Medical Oncology, Austin Hospital, Heidelberg, Australia
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Yokoi K, Sakakibara Y, Inamoto T, Fujii Y, Sakai H. Dual-Task Training Combining Cognitive Tasks and Occupations among Japanese Community-Dwelling Older Adults: A Pilot Study. Occup Ther Health Care 2021; 36:422-439. [PMID: 34865607 DOI: 10.1080/07380577.2021.2010159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This study investigated whether dual tasks comprising cognitive tasks and occupations related to daily living can improve the mental and cognitive function of Japanese community-dwelling older adults. Participants included 30 older adults, equally divided into intervention and control groups. The outcome measures were memory, attention, depression, and health-related quality of life. No adverse effects of the intervention were observed in any participant in the intervention group. Logical memory I, logical memory II, and Center for Epidemiologic Studies Depression Scale scores showed a significant interaction. Dual tasks combining cognitive tasks and occupations may help improve delayed recall and alleviate depression. A novel attempt to integrate cognitive stimulation and activities valued by individuals may help mediate age-related cognitive function decline and reduce depressive symptoms in community-dwelling older adults.
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Affiliation(s)
- K Yokoi
- Occupational Therapy, Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Habikino, Japan
| | - Y Sakakibara
- Osaka College of Medical and Welfare, Osaka, Japan
| | - T Inamoto
- Home-Visit Nursing Station Kanaeru Heart, Kawachinagano, Japan
| | - Y Fujii
- Faculty of Health Sciences, Kansai University of Welfare Sciences, Kashiwara, Japan
| | - H Sakai
- Faculty of Health Sciences, Kansai University of Welfare Sciences, Kashiwara, Japan
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34
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Funakoshi Y, Yakushijin K, Ohji G, Hojo W, Sakai H, Takai R, Nose T, Ohata S, Nagatani Y, Koyama T, Kitao A, Nishimura M, Imamura Y, Kiyota N, Harada K, Tanaka Y, Mori Y, Minami H. Safety and Immunogenicity of the COVID-19 vaccine BNT162b2 in patients undergoing chemotherapy for solid cancer. J Infect Chemother 2021; 28:516-520. [PMID: 35090826 PMCID: PMC8716153 DOI: 10.1016/j.jiac.2021.12.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/06/2021] [Accepted: 12/19/2021] [Indexed: 12/15/2022]
Abstract
Background Although COVID-19 severity in cancer patients is high, the safety and immunogenicity of the BNT162b2 mRNA COVID-19 vaccine in patients undergoing chemotherapy for solid cancers in Japan have not been reported. Methods We investigated the safety and immunogenicity of BNT162b2 in 41 patients undergoing chemotherapy for solid cancers and in healthy volunteers who received 2 doses of BNT162b2. We evaluated serum IgG antibody titers for S1 protein by ELISA at pre-vaccination, prior to the second dose and 14 days after the second vaccination in 24 cancer patients undergoing cytotoxic chemotherapy (CC group), 17 cancer patients undergoing immune checkpoint inhibitor therapy (ICI group) and 12 age-matched healthy volunteers (HV group). Additionally, inflammatory cytokine levels were compared between the HV and ICI groups at pre and the next day of each vaccination. Results Anti-S1 antibody levels were significantly lower in the ICI and CC groups than in the HV group after the second dose (median optimal density: 0.241 [0.063–1.205] and 0.161 [0.07–0.857] vs 0.644 [0.259–1.498], p = 0.0024 and p < 0.0001, respectively). Adverse effect profile did not differ among the three groups, and no serious adverse event occurred. There were no differences in vaccine-induced inflammatory cytokines between the HV and ICI groups. Conclusion Although there were no significant differences in adverse events in three groups, antibody titers were significantly lower in the ICI and CC groups than in the HV group. Further protection strategies should be considered in cancer patients undergoing CC or ICI.
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35
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Reck M, Ciuleanu TE, Cobo M, Schenker M, Zurawski B, Menezes J, Richardet E, Bennouna J, Felip E, Juan-Vidal O, Alexandru A, Sakai H, Lingua A, Reyes F, Souquet PJ, De Marchi P, Martin C, Pérol M, Scherpereel A, Lu S, Paz-Ares L, Carbone DP, Memaj A, Marimuthu S, Zhang X, Tran P, John T. First-line nivolumab plus ipilimumab with two cycles of chemotherapy versus chemotherapy alone (four cycles) in advanced non-small-cell lung cancer: CheckMate 9LA 2-year update. ESMO Open 2021; 6:100273. [PMID: 34607285 PMCID: PMC8493593 DOI: 10.1016/j.esmoop.2021.100273] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [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: 06/28/2021] [Revised: 08/11/2021] [Accepted: 08/23/2021] [Indexed: 11/02/2022] Open
Abstract
BACKGROUND To further characterize survival benefit with first-line nivolumab plus ipilimumab with two cycles of chemotherapy versus chemotherapy alone, we report updated data from the phase III CheckMate 9LA trial with a 2-year minimum follow-up. PATIENTS AND METHODS Adult patients were treatment naïve, with stage IV/recurrent non-small-cell lung cancer, no known sensitizing EGFR/ALK alterations, and an Eastern Cooperative Oncology Group performance status ≤1. Patients were randomized 1 : 1 to nivolumab 360 mg every 3 weeks plus ipilimumab 1 mg/kg every 6 weeks with two cycles of chemotherapy, or four cycles of chemotherapy. Updated efficacy and safety outcomes are reported, along with progression-free survival (PFS) after next line of treatment (PFS2), treatment-related adverse events (TRAEs) by treatment cycle, and efficacy outcomes in patients who discontinued all treatment components in the experimental arm due to TRAEs. RESULTS With a median follow-up of 30.7 months, nivolumab plus ipilimumab with chemotherapy continued to prolong overall survival (OS) versus chemotherapy. Median OS was 15.8 versus 11.0 months [hazard ratio 0.72 (95% confidence interval 0.61-0.86)]; 2-year OS rate was 38% versus 26%. Two-year PFS rate was 20% versus 8%. ORR was 38% versus 25%, respectively; 34% versus 12% of all responses were ongoing at 2 years. Median PFS2 was 13.9 versus 8.7 months. Improved efficacy outcomes in the experimental versus control arm were observed across most subgroups, including by programmed death-ligand 1 and histology. No new safety signals were observed; onset of grade 3/4 TRAEs was mostly observed during the first two treatment cycles in the experimental arm. In patients who discontinued all components of nivolumab plus ipilimumab with chemotherapy treatment due to TRAEs (n = 61) median OS was 27.5 months; 56% of responders had an ongoing response ≥1 year after discontinuation. CONCLUSIONS With a 2-year minimum follow-up, nivolumab plus ipilimumab with two cycles of chemotherapy provided durable efficacy benefits over chemotherapy with a manageable safety profile and remains an efficacious first-line treatment of advanced non-small-cell lung cancer.
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Affiliation(s)
- M Reck
- Department of Thoracic Oncology, Airway Research Center North, German Center for Lung Research, LungClinic, Grosshansdorf, Germany.
| | - T-E Ciuleanu
- Department of Oncology, Institutul Oncologic Prof Dr Ion Chiricuta and UMF Iuliu Hatieganu, Cluj-Napoca, Romania
| | - M Cobo
- Department of Medical Oncology, Unidad de Gestión Clínica Intercentros de Oncología Médica, Hospitales Universitarios Regional y Virgen de la Victoria, IBIMA, Málaga, Spain
| | - M Schenker
- Department of Oncology, SF Nectarie Oncology Center, Craiova, Romania
| | - B Zurawski
- Department of Clinical Oncology, Ambulatorium Chemioterapii, Bydgoszcz, Poland
| | - J Menezes
- Department of Oncology, Hospital Nossa Senhora da Conceição, Porto Alegre, Brazil
| | - E Richardet
- Department of Clinical Oncology, Instituto Oncológico de Córdoba, Córdoba, Argentina
| | - J Bennouna
- Department of Thoracic Oncology, University Hospital of Nantes and INSERM, CRCINA, Nantes, France
| | - E Felip
- Department of Medical Oncology, Vall d'Hebron University Hospital, Vall d'Hebron Institute of Oncology, Barcelona
| | - O Juan-Vidal
- Department of Medical Oncology, Hospital Universitario La Fe, Valencia, Spain
| | - A Alexandru
- Department of Oncology, Institute of Oncology Prof Dr Alexandru Trestioreanu Bucha, Bucharest, Romania
| | - H Sakai
- Department of Thoracic Oncology, Saitama Cancer Center, Saitama, Japan
| | - A Lingua
- Department of Medical Oncology, Instituto Medico Rio Cuarto, SA, Córdoba, Argentina
| | - F Reyes
- Department of Medical Oncology, Fundación Arturo López Pérez, Santiago, Metropolitana, Chile
| | - P-J Souquet
- Department of Pneumology, Hôpital Lyon Sud, Lyon, Pierre Bénite, France
| | - P De Marchi
- Department of Oncology, Barretos Cancer Hospital, Barretos, Brazil
| | - C Martin
- Department of Thoracic Oncology, Instituto Alexander Fleming, Buenos Aires, Argentina
| | - M Pérol
- Department of Thoracic Oncology, Léon Bérard Cancer Center, Lyon, France
| | - A Scherpereel
- Department of Pulmonary and Thoracic Oncology, University of Lille, CHU Lille, INSERM U1189, OncoThAI, Lille, France
| | - S Lu
- Department of Medical Oncology, Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai JiaoTong University, Shanghai, China
| | - L Paz-Ares
- Department of Medical Oncology, Hospital Universitario 12 de Octubre, CNIO-H12o Lung Cancer Clinical Research Unit, Universidad Complutense & CiberOnc, Madrid, Spain
| | - D P Carbone
- Department of Medical Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, USA
| | - A Memaj
- Bristol Myers Squibb, Princeton, USA
| | | | - X Zhang
- Bristol Myers Squibb, Princeton, USA
| | - P Tran
- Bristol Myers Squibb, Princeton, USA
| | - T John
- Department of Medical Oncology, Austin Hospital, Heidelberg, Australia
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Felip E, Garassino M, Sakai H, Le X, Veillon R, Smit E, Mazieres J, Cortot A, Raskin J, Thomas M, Viteri S, Iams W, Kim H, Yang J, Stroh C, Otto G, Bruns R, Paik P. P45.03 Tepotinib in Patients with MET exon 14 (METex14) Skipping NSCLC as Identified by Liquid (LBx) or Tissue (TBx) biopsy. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kaku N, Nishimura F, Shigeishi Y, Tachiki R, Sakai H, Sasaki D, Ota K, Sakamoto K, Kosai K, Hasegawa H, Izumikawa K, Ariyoshi K, Mukae H, Yasuda J, Morita K, Kohno S, Yanagihara K. Performance of anti-SARS-CoV-2 antibody testing in asymptomatic or mild COVID-19 patients: A retrospective study in outbreak on a cruise ship. PLoS One 2021; 16:e0257452. [PMID: 34582459 PMCID: PMC8478248 DOI: 10.1371/journal.pone.0257452] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/01/2021] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVES A few studies on antibody testing have focused on asymptomatic or mild coronavirus disease 2019 (COVID-19) patients with low initial anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody responses. Anti-SARS-CoV-2 antibody-testing performance was evaluated using blood samples from asymptomatic or mild COVID-19 patients. METHODS Blood samples were collected from 143 COVID-19 patients during an outbreak on a cruise ship 3 weeks after diagnosis. Simultaneously, a follow-up SARS-CoV-2 genetic test was performed. Samples stored before the COVID-19 pandemic were also used to evaluate the lateral flow immunochromatographic assay (LFA) and electrochemiluminescence immunoassay (ECLIA). Titers of anti-SARS-CoV-2 IgM and IgG antibodies against the nucleocapsid and spike proteins were measured using the enzyme-linked immunosorbent assay to confirm which antibodies were influenced on LFA- and ECLIA- false-negative result in crew-member samples. RESULTS Sensitivity, specificity, positive-predictive, and negative-predictive values of LFA-detected IgM antibodies were 0.231, 1.000, 1.000, and 0.613, respectively; those of LFA-detected IgG antibodies were 0.483, 0.989, 0.972, and 0.601, respectively; and those of ECLIA-detected total antibodies were 0.783, 1.000, 1.000, and 0.848, respectively. All antibody titers measured using ELISA were significantly lower in blood samples with negative results than in those with positive results in both LFA and ECLIA. In the patients with negative results from the follow-up genetic testing, IgM-, IgG-, and total-antibody positivity rates were 22.9%, 47.6%, and 72.4%, respectively. CONCLUSIONS These findings suggest that anti-SARS-CoV-2 antibody testing has lower performance in asymptomatic or mild COVID-19 patients than required in the guidelines.
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Affiliation(s)
- Norihito Kaku
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Fumitaka Nishimura
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Yui Shigeishi
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Rina Tachiki
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | | | - Daisuke Sasaki
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Kenji Ota
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Kei Sakamoto
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Kosuke Kosai
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Hiroo Hasegawa
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
| | - Koichi Izumikawa
- Department of Infectious Diseases, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Koya Ariyoshi
- Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki City, Nagasaki, Japan
| | - Hiroshi Mukae
- Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
| | - Jiro Yasuda
- Department of Emerging Infectious Diseases, Institute of Tropical Medicine, Nagasaki University, Nagasaki City, Nagasaki, Japan
| | - Kouichi Morita
- Department of Virology, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan
| | | | - Katsunori Yanagihara
- Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki City, Nagasaki, Japan
- Department of Laboratory Medicine, Nagasaki University Hospital, Nagasaki City, Nagasaki, Japan
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Felip E, Vallieres E, Zhou C, Wakelee H, Bondarenko I, Sakai H, Saito H, Ursol G, Kawaguchi K, Liu Y, Levchenko E, Kislov N, Reck M, Liersch R, McNally V, Zhu Q, Ding B, Bennett E, Gitlitz B, Altorki N. LBA9 IMpower010: Sites of relapse and subsequent therapy from a phase III study of atezolizumab vs best supportive care after adjuvant chemotherapy in stage IB-IIIA NSCLC. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.2120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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39
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Fujii Y, Iwasaki R, Ikeda S, Chimura S, Goto M, Yoshizaki K, Sakai H, Ito N, Mori T. Gastrointestinal stromal tumour lacking mutations in the KIT and PDGFRA genes in a cat. J Small Anim Pract 2021; 63:239-243. [PMID: 34409605 DOI: 10.1111/jsap.13416] [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: 04/26/2021] [Revised: 07/05/2021] [Accepted: 08/06/2021] [Indexed: 11/28/2022]
Abstract
Molecular subtyping in gastrointestinal stromal tumours is a useful method for predicting the efficacy of treatment using tyrosine kinase inhibitors in humans. However, owing to the paucity of reports on mutational analyses, the association between genetic mutations and the therapeutic response to tyrosine kinase inhibitors remains unclear in feline gastrointestinal stromal tumours. In this report, we describe the case of a cat with a gastrointestinal stromal tumour which was unresponsive to tyrosine kinase inhibitors. A mutational analysis revealed that the cat lacked mutations in both the KIT and platelet-derived growth factor receptor-alpha (PDGFRA) genes. Our findings are consistent with the fact that KIT/PDGFRA wild-type gastrointestinal stromal tumours are less responsive to tyrosine kinase inhibitors in humans. This signifies the need for further evaluation and possibly individualised treatment for gastrointestinal stromal tumours in cats on the basis of mutational analyses.
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Affiliation(s)
- Y Fujii
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Gifu, Japan.,Animal Medical Centre, Gifu University, Gifu, Gifu, Japan
| | - R Iwasaki
- Animal Medical Centre, Gifu University, Gifu, Gifu, Japan
| | - S Ikeda
- Chimura Animal Hospital, Iwakura, Aichi, Japan
| | - S Chimura
- Chimura Animal Hospital, Iwakura, Aichi, Japan
| | - M Goto
- Laboratory of Veterinary Pathology, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - K Yoshizaki
- Laboratory of Veterinary Pathology, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - H Sakai
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Gifu, Japan.,Laboratory of Veterinary Pathology, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - N Ito
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Gifu, Japan
| | - T Mori
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Gifu, Japan.,Animal Medical Centre, Gifu University, Gifu, Gifu, Japan
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Sakai H, Yamashita H, Nakajima S, Takahashi Y, Kaneko H. AB0391 LOW SERUM COMPLEMENT C3 LEVEL AS A RISK FACTOR FOR RELAPSE OF ANTINEUTROPHIL CYTOPLASMIC ANTIBODY-ASSOCIATED VASCULITIS: A RETROSPECTIVE COHORT STUDY. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:The alternative pathway of complement activation has recently been recognized as a key pathogenic event in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). Some previous studies have reported that low serum complement C3 level in AAV patients is associated with more severe renal disease, worse renal prognosis, or higher mortality. However, the correlation between low serum C3 level and AAV relapse remains unclear.Objectives:To analyze the clinical characteristics and outcomes of AAV patients with low serum C3 levels at the time of diagnosis.Methods:We conducted a retrospective observational cohort study including 83 consecutive patients diagnosed with AAV in our hospital from January 1999 to December 2020. Serum C3 levels were measured at diagnosis. AAV included microscopic polyangiitis (MPA), granulomatosis with polyangiitis (GPA), and eosinophilic granulomatosis with polyangiitis (EGPA); patients with ANCA-negative AAV were excluded. Patients were divided into low- and high-C3 groups (C3 < 100 and ≥ 100 mg/dL, respectively). We compared the clinical characteristics, and relapse-free and overall survival rates, of the two groups, and identified predictors of AAV relapse.Results:Of the 83 patients (MPA, n = 61; GPA, n = 18; EGPA, n = 4), 20 (24%) were in the low-C3 group. We found no significant group difference in sex, body mass index, disease type, ANCA subtype, Birmingham Vasculitis Activity Score (BVAS), or treatment. The low-C3 group patients were older (p=0.01), and had a higher Five Factor Score (FFS) (p=0.01) and a lower remission rate (p=0.02), than the high-C3 group. The generalized Wilcoxon test revealed that the relapse-free survival time was significantly shorter in the low-C3 group (29 months; 95% confidence interval [CI]: 15–49) than in the high-C3 group (82 months; 95% CI: 61–NA; p=0.01) (Figure 1A). The overall survival was also shorter in the low-C3 group (83 months; 95% CI: 8-121) than in the high-C3 group (112 months; 95% CI: 77-NA; p=0.03) (Figure 1B). In the Cox proportional hazards model, a low C3 level (< 100 mg/dL) (hazard ratio [HR], 3.01; 95% CI: 1.29–7.04], p=0.01) and GPA (HR, 3.04; 95% CI: 1.32–7.01; p=0.01) were independent predictors of AAV relapse.Figure 1.Kaplan-Meier estimates of the relapse-free (A) and overall (B) survival rates of AAV patients by baseline serum C3 levels. Eight patients who did not show remission were excluded in the relapse-free survival analysis. Black line: high-C3 group (≥ 100 mg/dL); red line: low-C3 group (< 100 mg/dL).Conclusion:AAV patients with low C3 levels at diagnosis were at higher risk of relapse. Larger prospective studies are required to confirm these findings.Disclosure of Interests:None declared
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Mitsunari K, Miyata Y, Matsuo T, Ohba K, Mukae Y, Otsubo A, Harada J, Matsuda T, Mochizuki Y, Sakai H. KIBRA plays as tumour suppressor via phosphorylation of LATS-2 in conventional renal cell carcinoma tissues. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00931-3] [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]
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Kondo T, Miyata Y, Matsuda T, Harada J, Mukae Y, Ohtsubo A, Mitsunari K, Matsuo T, Ohba K, Sakai H. Pathological significance and prognostic utility of KIBRA in upper urinary tract urothelial cancer. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01161-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Miyata Y, Matsuo T, Ohba K, Mitsunari K, Keisuke T, Hayashida Y, Tsurusaki T, Watanabe J, Nishimura N, Nishikido M, Sakai H. A randomized clinical trial of intravesical instillation of MMC and combination of MMC and Ara-C in non-muscle invasive bladder cancer. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01141-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Scherz A, Sakai H, Le X, Felip E, Veillon R, Garassino M, Raskin J, Viteri S, Mazieres J, Cortot A, Smit E, Thomas M, Conte P, Gottfried M, Britschgi C, Bruns R, Otto G, Johne A, Paik P. 157P Tepotinib in patients (pts) with MET exon 14 (METex14) skipping NSCLC: Efficacy results from all pts enrolled in VISION cohort A. J Thorac Oncol 2021. [DOI: 10.1016/s1556-0864(21)01999-7] [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: 10/21/2022]
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Saji H, Sakai H, Kimura H, Miyazawa T, Marushima H, Kojima K. P01.18 Adjuvant Chemotherapy With Modified Nab-Paclitaxel and Carboplatin for Completely Resected NSCLC: Survival Analysis of FAST-Nab. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Veillon R, Sakai H, Le X, Felip E, Garassino M, Cortot A, Smit E, Park K, Griesinger F, Britschgi C, Wu Y, Berghoff K, Otto G, Bruns R, Paik P. FP14.09 Tepotinib Safety in MET Exon 14 (METex14) Skipping NSCLC: Updated Results from the VISION Trial. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.152] [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: 10/21/2022]
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Kori R, Ookawa J, Sakai H, Kimura H, Miyazawa T, Marushima H, Kojima K, Hara M, Saji H. P40.05 Current Status of a Smoking Cessation Supportive Program on Nurses' Interventions: A Single Institutional Experience. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kato Y, Watanabe Y, Yamane Y, Mizutani H, Kurimoto F, Yamamoto G, Akagi K, Sakai H. P85.03 PD-L1 Expression and Efficacy of Immunotherapy in Japanese Patients with NSCLC Harboring MET Exon 14 Skipping Mutation. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Paik P, Sakai H, Felip E, Veillon R, Garassino M, Raskin J, Viteri S, Mazieres J, Cortot A, Smit E, Thomas M, Cho B, Conte P, Yang J, Morise M, Chen Y, Park K, Gottfried M, Britschgi C, Bruns R, Otto G, Johne A, Le X. MA11.05 Tepotinib in Patients with MET exon 14 (METex14) Skipping Advanced NSCLC: Updated Efficacy Results from VISION Cohort A. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.250] [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: 10/21/2022]
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Okada T, Kako E, Konomi T, Masuzawa M, Sakai H, Tsuchiya K, Ueki R, Umemori K, Pizzol P, Poudel A, Tajima T. Systematic evaluation of magnetic sensitivities of anisotropic magnetoresistive sensors at liquid helium temperature for superconducting cavities. Rev Sci Instrum 2021; 92:035003. [PMID: 33820008 DOI: 10.1063/5.0038805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 02/28/2021] [Indexed: 06/12/2023]
Abstract
Trapped magnetic flux in bulk superconductors reduces the quality factor Q in superconducting radio-frequency (SRF) cavities. However, the mechanisms underlying flux trapping and radio-frequency loss are not well understood. Detailed observation of the magnetic distributions is important for understanding such phenomena. Magnetic field mapping is useful for observing the magnetic field distribution around SRF cavities. Measuring the change in the magnetic field around the cavity elucidates the flux trapping behavior. Anisotropic magnetoresistive (AMR) sensors are inexpensive and small devices that can detect magnetic flux density. The magnetic sensitivities of AMR sensors need to be evaluated at liquid helium temperature for the magnetic field mapping of SRF cavities. In this study, a test stand was constructed to calibrate the magnetic sensitivities of AMR sensors in liquid helium, and 110 AMR sensors were tested using this stand. The magnetic sensitivities were evaluated systematically. A solenoid coil was used to control the uniform external magnetic field and to measure the magnetic sensitivity at low temperatures. All AMR sensors exhibited suitable sensitivities to the magnetic field around the SRF cavity. The variation in these sensitivities in all AMR sensors was ∼1%. The AMR sensors were found to have sufficient sensitivity for mapping the magnetic field around the exterior surface of the SRF cavity.
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Affiliation(s)
- T Okada
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - E Kako
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - T Konomi
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - M Masuzawa
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - H Sakai
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - K Tsuchiya
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - R Ueki
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - K Umemori
- SOKENDAI, The Graduate University of Advanced Studies, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - P Pizzol
- LANL, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A Poudel
- LANL, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - T Tajima
- LANL, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
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