Updated on 2024/10/07

Information

 

写真a

 
ITO MAMORU
 
Organization
Faculty of Medical Sciences Department of Clinical Medicine Assistant Professor
School of Medicine Department of Medicine(Concurrent)
Title
Assistant Professor
External link

Papers

  • Macrophages are primed to transdifferentiate into fibroblasts in malignant ascites and pleural effusions

    Mamoru Ito, Michitaka Nakano, Hiroshi Ariyama, Kyoko Yamaguchi, Risa Tanaka, Yuichiro Semba, Takeshi Sugio, Kohta Miyawaki, Yoshikane Kikushige, Shinichi Mizuno, Taichi Isobe, Kenro Tanoue, Ryosuke Taguchi, Shohei Ueno, Takahito Kawano, Masaharu Murata, Eishi Baba, Koichi Akashi

    Cancer Letters   532   215597 - 215597   2022.4

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    DOI: 10.1016/j.canlet.2022.215597

  • Effectiveness and safety of primary prophylaxis with G-CSF during chemotherapy for invasive breast cancer: a systematic review and meta-analysis from Clinical Practice Guidelines for the Use of G-CSF 2022

    Nozawa, K; Ozaki, Y; Yoshinami, T; Yokoe, T; Nishio, H; Tsuchihashi, K; Ichihara, E; Miura, Y; Endo, M; Yano, S; Maruyama, D; Susumu, N; Takekuma, M; Motohashi, T; Ito, M; Baba, E; Ochi, N; Kubo, T; Uchino, K; Kimura, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 8 )   1074 - 1080   2024.8   ISSN:1341-9625 eISSN:1437-7772

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    Introduction: Chemotherapy for breast cancer can cause neutropenia, increasing the risk of febrile neutropenia (FN) and serious infections. The use of granulocyte colony-stimulating factors (G-CSF) as primary prophylaxis has been explored to mitigate these risks. To evaluate the efficacy and safety of primary G-CSF prophylaxis in patients with invasive breast cancer undergoing chemotherapy. Methods: A systematic literature review was conducted according to the “Minds Handbook for Clinical Practice Guideline Development” using PubMed, Ichushi-Web, and the Cochrane Library databases. Randomized controlled trials (RCTs) and cohort studies assessing using G-CSF as primary prophylaxis in invasive breast cancer were included. The primary outcomes were overall survival (OS) and FN incidence. Meta-analyses were performed for outcomes with sufficient data. Results: Eight RCTs were included in the qualitative analysis, and five RCTs were meta-analyzed for FN incidence. The meta-analysis showed a significant reduction in FN incidence with primary G-CSF prophylaxis (risk difference [RD] = 0.22, 95% CI: 0.01–0.43, p = 0.04). Evidence for improvement in OS with G-CSF was inconclusive. Four RCTs suggested a tendency for increased pain with G-CSF, but statistical significance was not reported. Conclusions: Primary prophylactic use of G-CSF is strongly recommended for breast cancer patients undergoing chemotherapy, as it has been shown to reduce the incidence of FN. While the impact on OS is unclear, the benefits of reducing FN are considered to outweigh the potential harm of increased pain.

    DOI: 10.1007/s10147-024-02570-8

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  • Effectiveness and safety of primary prophylaxis with G-CSF for patients with Ewing sarcomas: a systematic review for the Clinical Practice Guidelines for the Use of G-CSF 2022 of the Japan Society of Clinical Oncology

    Hirose, T; Ito, M; Tsuchihashi, K; Ozaki, Y; Nishio, H; Ichihara, E; Miura, Y; Yano, S; Maruyama, D; Yoshinami, T; Susumu, N; Takekuma, M; Motohashi, T; Baba, E; Ochi, N; Kubo, T; Uchino, K; Kimura, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T; Endo, M

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 8 )   1081 - 1087   2024.6   ISSN:1341-9625 eISSN:1437-7772

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    Background: Multidrug chemotherapy for Ewing sarcoma can lead to severe myelosuppression. We proposed two clinical questions (CQ): CQ #1, “Does primary prophylaxis with G-CSF benefit chemotherapy for Ewing sarcoma?” and CQ #2, “Does G-CSF-based intensified chemotherapy improve Ewing sarcoma treatment outcomes?”. Methods: A comprehensive literature search was conducted in PubMed, Cochrane Library, and Ichushi web databases, including English and Japanese articles published from 1990 to 2019. Two reviewers assessed the extracted papers and analyzed overall survival (OS), febrile neutropenia (FN) incidence, infection-related mortality, quality of life (QOL), and pain. Results: Twenty-five English and five Japanese articles were identified for CQ #1. After screening, a cohort study of vincristine, ifosfamide, doxorubicin, and etoposide chemotherapy with 851 patients was selected. Incidence of FN was 60.8% with G-CSF and 65.8% without; statistical tests were not conducted. Data on OS, infection-related mortality, QOL, or pain was unavailable. Consequently, CQ #1 was redefined as a future research question. As for CQ #2, we found two English and five Japanese papers, of which one high-quality randomized controlled trial on G-CSF use in intensified chemotherapy was included. This trial showed trends toward lower mortality and a significant increase in event-free survival for 2-week interval regimen with the G-CSF primary prophylactic use compared with 3-week interval. Conclusion: This review indicated that G-CSF’s efficacy as primary prophylaxis in Ewing sarcoma, except in children, is uncertain despite its common use. This review tentatively endorses intensified chemotherapy with G-CSF primary prophylaxis for Ewing sarcoma.

    DOI: 10.1007/s10147-024-02572-6

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  • Primary prophylaxis with G-CSF for patients with non-round cell soft tissue sarcomas: a systematic review for the Clinical Practice Guidelines for the Use of G-CSF 2022 of the Japan Society of Clinical Oncology

    Hirose, T; Ito, M; Tsuchihashi, K; Ozaki, Y; Nishio, H; Ichihara, E; Miura, Y; Yano, S; Maruyama, D; Yoshinami, T; Susumu, N; Takekuma, M; Motohashi, T; Baba, E; Ochi, N; Kubo, T; Uchino, K; Kimura, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T; Endo, M

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 8 )   1067 - 1073   2024.6   ISSN:1341-9625 eISSN:1437-7772

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    Background: Granulocyte colony-stimulating factor (G-CSF) is an essential supportive agent for chemotherapy-induced severe myelosuppression. We proposed two clinical questions (CQ): CQ #1, “Does primary prophylaxis with G-CSF benefit chemotherapy for non-round cell soft tissue sarcoma (NRC-STS)?” and CQ #2, “Does G-CSF-based intensified chemotherapy improve NRC-STS treatment outcomes?” for the Clinical Practice Guidelines for the Use of G-CSF 2022 of the Japan Society of Clinical Oncology. Methods: A literature search was performed on the primary prophylactic use of G-CSF for NRC-STSs. Two reviewers assessed the extracted papers and analyzed overall survival, incidence of febrile neutropenia, infection-related mortality, quality of life, and pain. Results: Eighty-one and 154 articles were extracted from the literature search for CQs #1 and #2, respectively. After the first and second screening, one and two articles were included in the final evaluation, respectively. Only some studies have addressed these two clinical questions through a literature review. Conclusion: The clinical questions were converted to future research questions because of insufficient available data. The statements were proposed: “The benefit of primary G-CSF prophylaxis is not clear in NRC-STS” and “The benefit of intensified chemotherapy with primary G-CSF prophylaxis is not clear in NRC-STSs.” G-CSF is often administered as primary prophylaxis when chemotherapy with severe myelosuppression is administered. However, its effectiveness and safety are yet to be scientifically proven.

    DOI: 10.1007/s10147-024-02569-1

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  • Comparison between a single dose of PEG G-CSF and multiple doses of non-PEG G-CSF: a systematic review and meta-analysis from Clinical Practice Guidelines for the use of G-CSF 2022

    Yoshinami, T; Nozawa, K; Yokoe, T; Ozaki, Y; Nishio, H; Tsuchihashi, K; Ichihara, E; Miura, Y; Endo, M; Yano, S; Maruyama, D; Susumu, N; Takekuma, M; Motohashi, T; Ito, M; Baba, E; Ochi, N; Kubo, T; Uchino, K; Kimura, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 6 )   681 - 688   2024.6   ISSN:1341-9625 eISSN:1437-7772

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    Backgroud: Granulocyte colony-stimulating factor (G-CSF) is widely used for the primary prophylaxis of febrile neutropenia (FN). Two types of G-CSF are available in Japan, namely G-CSF chemically bound to polyethylene glycol (PEG G-CSF), which provides long-lasting effects with a single dose, and non-polyethylene glycol-bound G-CSF (non-PEG G-CSF), which must be sequentially administrated for several days. Methods: This current study investigated the utility of these treatments for the primary prophylaxis of FN through a systematic review of the literature. A detailed literature search for related studies was performed using PubMed, Ichushi-Web, and the Cochrane Library. Data were independently extracted and assessed by two reviewers. A qualitative analysis or meta-analysis was conducted to evaluate six outcomes. Results: Through the first and second screenings, 23 and 18 articles were extracted for qualitative synthesis and meta-analysis, respectively. The incidence of FN was significantly lower in the PEG G-CSF group than in the non-PEG G-CSF group with a strong quality/certainty of evidence. The differences in other outcomes, such as overall survival, infection-related mortality, the duration of neutropenia (less than 500/μL), quality of life, and pain, were not apparent. Conclusions: A single dose of PEG G-CSF is strongly recommended over multiple-dose non-PEG G-CSF therapy for the primary prophylaxis of FN.

    DOI: 10.1007/s10147-024-02504-4

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  • Therapeutic use of granulocyte colony-stimulating factor (G-CSF) in patients with febrile neutropenia: a comprehensive systematic review for clinical practice guidelines for the use of G-CSF 2022 from the Japan Society of Clinical Oncology

    Tsuchihashi, K; Ito, M; Okumura, Y; Nio, K; Ozaki, Y; Nishio, H; Ichihara, E; Miura, Y; Endo, M; Yano, S; Maruyama, D; Yoshinami, T; Susumu, N; Takekuma, M; Motohashi, T; Ochi, N; Kubo, T; Uchino, K; Kimura, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T; Baba, E

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 6 )   700 - 705   2024.6   ISSN:1341-9625 eISSN:1437-7772

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    Background: Febrile neutropenia represents a critical oncologic emergency, and its management is pivotal in cancer therapy. In several guidelines, the use of granulocyte colony-stimulating factor (G-CSF) in patients with chemotherapy-induced febrile neutropenia is not routinely recommended except in high-risk cases. The Japan Society of Clinical Oncology has updated its clinical practice guidelines for the use of G-CSF, incorporating a systematic review to address this clinical question. Methods: The systematic review was conducted by performing a comprehensive literature search across PubMed, the Cochrane Library, and Ichushi-Web, focusing on publications from January 1990 to December 2019. Selected studies included randomized controlled trials (RCTs), non-RCTs, and cohort and case–control studies. Evaluated outcomes included overall survival, infection-related mortality, hospitalization duration, quality of life, and pain. Results: The initial search yielded 332 records. Following two rounds of screening, two records were selected for both qualitative and quantitative synthesis including meta-analysis. Regarding infection-related mortality, the event to case ratio was 5:134 (3.73%) in the G-CSF group versus 6:129 (4.65%) in the non-G-CSF group, resulting in a relative risk of 0.83 (95% confidence interval, 0.27–2.58; p = 0.54), which was not statistically significant. Only median values for hospitalization duration were available from the two RCTs, precluding a meta-analysis. For overall survival, quality of life, and pain, no suitable studies were found for analysis, rendering their assessment unfeasible. Conclusion: A weak recommendation is made that G-CSF treatment not be administered to patients with febrile neutropenia during cancer chemotherapy. G-CSF treatment can be considered for patients at high risk.

    DOI: 10.1007/s10147-024-02541-z

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  • Effectiveness of G-CSF in chemotherapy for digestive system tumors: a systematic review of the Clinical Practice Guidelines for the Use of G-CSF 2022 delineated by the Japan Society of Clinical Oncology

    Mamoru Ito, Yuta Okumura, Kenta Nio, Eishi Baba, Yukinori Ozaki, Hiroshi Nishio, Eiki Ichihara, Yuji Miura, Makoto Endo, Shingo Yano, Dai Maruyama, Tetsuhiro Yoshinami, Nobuyuki Susumu, Munetaka Takekuma, Takashi Motohashi, Nobuaki Ochi, Toshio Kubo, Keita Uchino, Takahiro Kimura, Yutaro Kamiyama, Shinji Nakao, Shinobu Tamura, Hitomi Nishimoto, Yasuhisa Kato, Atsushi Sato, Toshimi Takano, Kenji Tsuchihashi

    International Journal of Clinical Oncology   29 ( 6 )   689 - 699   2024.6   ISSN:1341-9625 eISSN:1437-7772

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    DOI: 10.1007/s10147-024-02502-6

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    Other Link: https://link.springer.com/article/10.1007/s10147-024-02502-6/fulltext.html

  • Effectiveness and safety of granulocyte colony-stimulating factor priming regimen for acute myeloid leukemia: A systematic review and meta-analysis of the Clinical Practice Guideline for the use of G-CSF 2022 from the Japan Society of Clinical Oncology.

    Yuho Najima, Tomoya Maeda, Yutaro Kamiyama, Shinji Nakao, Yukinori Ozaki, Hiroshi Nishio, Kenji Tsuchihashi, Eiki Ichihara, Yuji Miumra, Makoto Endo, Dai Maruyama, Tetsuhiro Yoshinami, Nobuyuki Susumu, Munetaka Takekuma, Takashi Motohashi, Mamoru Ito, Eishi Baba, Nobuaki Ochi, Toshio Kubo, Keita Uchino, Takahiro Kimura, Shinobu Tamura, Hitomi Nishimoto, Yasuhisa Kato, Atsushi Sato, Toshimi Takano, Shingo Yano

    International journal of clinical oncology   29 ( 7 )   899 - 910   2024.5   ISSN:1341-9625 eISSN:1437-7772

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    BACKGROUND: The outcomes of relapsed or refractory acute myeloid leukemia (AML) remain poor. Although the concomitant use of granulocyte colony-stimulating factor (G-CSF) and anti-chemotherapeutic agents has been investigated to improve the antileukemic effect on AML, its usefulness remains controversial. This study aimed to investigate the effects of G-CSF priming as a remission induction therapy or salvage chemotherapy. METHODS: We performed a thorough literature search for studies related to the priming effect of G-CSF using PubMed, Ichushi-Web, and the Cochrane Library. A qualitative analysis of the pooled data was performed, and risk ratios (RRs) with confidence intervals (CIs) were calculated and summarized. RESULTS: Two reviewers independently extracted and accessed the 278 records identified during the initial screening, and 62 full-text articles were assessed for eligibility in second screening. Eleven studies were included in the qualitative analysis and 10 in the meta-analysis. A systematic review revealed that priming with G-CSF did not correlate with an improvement in response rate and overall survival (OS). The result of the meta-analysis revealed the tendency for lower relapse rate in the G-CSF priming groups without inter-study heterogeneity [RR, 0.91 (95% CI 0.82-1.01), p = 0.08; I2 = 4%, p = 0.35]. In specific populations, including patients with intermediate cytogenetic risk and those receiving high-dose cytarabine, the G-CSF priming regimen prolonged OS. CONCLUSIONS: G-CSF priming in combination with intensive remission induction treatment is not universally effective in patients with AML. Further studies are required to identify the patient cohort for which G-CSF priming is recommended.

    DOI: 10.1007/s10147-023-02461-4

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  • Impact of Genomic Alterations on Efficacy of Trastuzumab Deruxtecan Against Human Epidermal Growth Factor Receptor-2–Positive Advanced Gastric Cancer

    ( 8 )   2024.5

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    PURPOSE

    The impact of genomic alterations on response and resistance to trastuzumab deruxtecan (T-DXd) has not been elucidated. Thus, we sought to identify factors predicting sensitivity to T-DXd in gastric or gastroesophageal junction (G/GEJ) cancer.

    METHODS

    We conducted a retrospective study using real-world clinical data and next-generation sequencing–based comprehensive genomic profiling (CGP) data from patients with advanced G/GEJ cancers, collected by the nationwide database in Japan. We analyzed the associations between genomic alterations and the patients' survivals after T-DXd treatment.

    RESULTS

    In 114 patients with human epidermal growth factor receptor-2 (HER2)–positive G/GEJ cancer treated with T-DXd, the most frequently altered genes were TP53 (82&#37;), ERBB2 (80&#37;), and CCNE1 (36&#37;). Multivariate Cox regression analysis revealed CCNE1 amplification to be a significant predictor of shorter progression-free survival (PFS) after T-DXd treatment among 91 patients whose CGP samples were obtained before T-DXd (median PFS, 131 days v 189 days; hazard ratio [HR], 1.90 [95&#37; CI, 1.02 to 3.53]; P = .044). Analyses of 1,450 G/GEJ cancers revealed significant CCNE1/ ERBB2 coamplification (41&#37; relative to 11&#37; CCNE1 amplification in ERBB2-nonamplified tumors; P < .0001). ERBB2-activating mutations were also detected in 3.7&#37; of G/GEJ cancers and in 8.8&#37; of HER2-positive G/GEJ cancers treated with T-DXd. Patients with ERBB2-mutated tumors showed shorter PFS than those without ERBB2 mutations after T-DXd treatment (mPFS, 105 v 180 days; P = .046).

    CONCLUSION

    CCNE1 amplification may confer primary resistance to T-DXd in HER2-positive G/GEJ cancer, suggesting that the cell cycle could be a potential therapeutic target in CCNE1/ERBB2 coamplified tumors. ERBB2-activating mutation may also attenuate T-DXd efficacy in HER2-positive G/GEJ cancer.

    DOI: 10.1200/po.23.00681

  • Effectiveness and safety of primary prophylaxis with G-CSF after induction therapy for acute myeloid leukemia: a systematic review and meta-analysis of the clinical practice guidelines for the use of G-CSF 2022 from the Japan society of clinical oncology.

    Tomoya Maeda, Yuho Najima, Yutaro Kamiyama, Shinji Nakao, Yukinori Ozaki, Hiroshi Nishio, Kenji Tsuchihashi, Eiki Ichihara, Yuji Miumra, Makoto Endo, Dai Maruyama, Tatsuhiro Yoshinami, Nobuyuki Susumu, Munetaka Takekuma, Takashi Motohashi, Mamoru Ito, Eishi Baba, Nobuaki Ochi, Toshio Kubo, Keita Uchino, Takahiro Kimura, Shinobu Tamura, Hitomi Nishimoto, Yasuhisa Kato, Atsushi Sato, Toshimi Takano, Shingo Yano

    International journal of clinical oncology   29 ( 5 )   535 - 544   2024.5   ISSN:1341-9625 eISSN:1437-7772

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    Although granulocyte colony-stimulating factor (G-CSF) reduces the incidence, duration, and severity of neutropenia, its prophylactic use for acute myeloid leukemia (AML) remains controversial due to a theoretically increased risk of relapse. The present study investigated the effects of G-CSF as primary prophylaxis for AML with remission induction therapy. A detailed literature search for related studies was performed using PubMed, Ichushi-Web, and the Cochrane Library. Data were independently extracted and assessed by two reviewers. A qualitative analysis of pooled data was conducted, and the risk ratio with corresponding confidence intervals was calculated in the meta-analysis and summarized. Sixteen studies were included in the qualitative analysis, nine of which were examined in the meta-analysis. Although G-CSF significantly shortened the duration of neutropenia, primary prophylaxis with G-CSF did not correlate with infection-related mortality. Moreover, primary prophylaxis with G-CSF did not affect disease progression/recurrence, overall survival, or adverse events, such as musculoskeletal pain. However, evidence to support or discourage the use of G-CSF as primary prophylaxis for adult AML patients with induction therapy remains limited. Therefore, the use of G-CSF as primary prophylaxis can be considered for adult AML patients with remission induction therapy who are at a high risk of infectious complications.

    DOI: 10.1007/s10147-023-02465-0

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  • Effectiveness and safety of primary prophylaxis of granulocyte colony-stimulating factor during dose-dense chemotherapy for urothelial cancer: Clinical Practice Guidelines for the Use of G-CSF 2022

    Uchino, K; Tamura, S; Kimura, S; Shigeta, K; Kimura, T; Ozaki, Y; Nishio, H; Tsuchihashi, K; Ichihara, E; Endo, M; Yano, S; Maruyama, D; Yoshinami, T; Susumu, N; Takekuma, M; Motohashi, T; Ito, M; Baba, E; Ochi, N; Kubo, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T; Miura, Y

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 5 )   545 - 550   2024.5   ISSN:1341-9625 eISSN:1437-7772

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    Granulocyte colony-stimulating factor (G-CSF) decreases the incidence, duration, and severity of febrile neutropenia (FN); however, dose reduction or withdrawal is often preferred in the management of adverse events in the treatment of urothelial cancer. It is also important to maintain therapeutic intensity in order to control disease progression and thereby relieve symptoms, such as hematuria, infection, bleeding, and pain, as well as to prolong the survival. In this clinical question, we compared treatment with primary prophylactic administration of G-CSF to maintain therapeutic intensity with conventional standard therapy without G-CSF and examined the benefits and risks as major outcomes. A detailed literature search for relevant studies was performed using PubMed, Ichu-shi Web, and Cochrane Library. Data were extracted and evaluated independently by two reviewers. A qualitative analysis of the pooled data was performed, and the risk ratios with corresponding confidence intervals were calculated and summarized in a meta-analysis. Seven studies were included in the qualitative analysis, two of which were reviewed in the meta-analysis of dose-dense methotrexate, vinblastine, doxorubicin, and cisplatin (MVAC) therapy, and one randomized controlled study showed a reduction in the incidence of FN. Primary prophylactic administration of G-CSF may be beneficial, as shown in a randomized controlled study of dose-dense MVAC therapy. However, there are no studies on other regimens, and we made a “weak recommendation to perform” with an annotation of the relevant regimen (dose-dense MVAC).

    DOI: 10.1007/s10147-024-02491-6

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  • Effectiveness and safety of primary prophylaxis of G-CSF during chemotherapy for prostate cancer, Japanese clinical guideline for appropriate use of G-CSF: clinical practice guidelines for the use of G-CSF 2022

    Kimura, S; Shigeta, K; Tamura, S; Uchino, K; Kimura, T; Ozaki, Y; Nishio, H; Tsuchihashi, K; Ichihara, E; Endo, M; Yano, S; Maruyama, D; Yoshinami, T; Susumu, N; Takekuma, M; Motohashi, T; Ito, M; Baba, E; Ochi, N; Kubo, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T; Miura, Y

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 5 )   559 - 563   2024.5   ISSN:1341-9625 eISSN:1437-7772

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    Background: Docetaxel (DTX) is commonly used as a primary chemotherapy, and cabazitaxel (CBZ) has shown efficacy in patients who are DTX resistant. Primary prophylactic granulocyte colony stimulating factor (G-CSF) therapy is currently used with CBZ treatment in routine clinical care in Japan. Methods: In this study, we performed a systematic review following the Minds guidelines to investigate the effectiveness and safety of primary prophylaxis with G-CSF during chemotherapy for prostate cancer and to construct G-CSF guidelines for primary prophylaxis use during chemotherapy. A comprehensive literature search of various electronic databases (PubMed, Cochrane Library, and Ichushi) was performed on January 10, 2020, to identify studies published between January 1990 and December 31, 2019 that investigate the impact of primary prophylaxis with G-CSF during CBZ administration on clinical outcomes. Results: Ultimately, nine articles were included in the qualitative systematic review. Primary G-CSF prophylaxis during CBZ administration for metastatic castration-resistant prostate cancer was difficult to assess in terms of correlation with overall survival, mortality from infection, and patients’ quality of life. These difficulties were owing to the lack of randomized controlled trials comparing patients with and without primary prophylaxis of G-CSF during CBZ administration. However, some retrospective studies have suggested that it may reduce the incidence of febrile neutropenia. Conclusion: G-CSF may be beneficial as primary prophylaxis during CBZ administration for metastatic castration resistant prostate cancer, and we made a “weak recommendation to perform” with an annotation of the relevant regimen.

    DOI: 10.1007/s10147-024-02501-7

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  • Effectiveness of G-CSF in chemotherapy for digestive system tumors: a systematic review of the Clinical Practice Guidelines for the Use of G-CSF 2022 delineated by the Japan Society of Clinical Oncology. Invited Reviewed International journal

    Mamoru Ito, Yuta Okumura, Kenta Nio, Eishi Baba, Yukinori Ozaki, Hiroshi Nishio, Eiki Ichihara, Yuji Miura, Makoto Endo, Shingo Yano, Dai Maruyama, Tetsuhiro Yoshinami, Nobuyuki Susumu, Munetaka Takekuma, Takashi Motohashi, Nobuaki Ochi, Toshio Kubo, Keita Uchino, Takahiro Kimura, Yutaro Kamiyama, Shinji Nakao, Shinobu Tamura, Hitomi Nishimoto, Yasuhisa Kato, Atsushi Sato, Toshimi Takano, Kenji Tsuchihashi

    International Journal of Clinical Oncology   2024.4

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  • Effectiveness and safety of primary prophylaxis with G-CSF for lung cancer: a systematic review and meta-analysis to develop clinical practice guidelines for the use of G-CSF 2022

    Eiki Ichihara, Nobuaki Ochi, Go Makimoto, Kenichiro Kudo, Daijiro Harada, Yukinori Ozaki, Hiroshi Nishio, Kenji Tsuchihashi, Yuji Miura, Makoto Endo, Shingo Yano, Dai Maruyama, Tetsuhiro Yoshinami, Nobuyuki Susumu, Munetaka Takekuma, Takashi Motohashi, Mamoru Ito, Eishi Baba, Keita Uchino, Takahiro Kimura, Yutaro Kamiyama, Shinji Nakao, Shinobu Tamura, Hitomi Nishimoto, Yasuhisa Kato, Atsushi Sato, Toshimi Takano, Toshio Kubo

    International Journal of Clinical Oncology   29 ( 4 )   355 - 362   2024.4   ISSN:1341-9625 eISSN:1437-7772

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    DOI: 10.1007/s10147-024-02469-4

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  • Optimal timing of prophylactic pegylated G-CSF after chemotherapy administration for patients with cancer: a systematic review and meta-analysis from Clinical Practice Guidelines for the use of G-CSF 2022

    Ozaki, Y; Yokoe, T; Yoshinami, T; Nozawa, K; Nishio, H; Tsuchihashi, K; Ichihara, E; Miura, Y; Endo, M; Yano, S; Maruyama, D; Susumu, N; Takekuma, M; Motohashi, T; Ito, M; Baba, E; Ochi, N; Kubo, T; Uchino, K; Kimura, T; Kamiyama, Y; Nakao, S; Tamura, S; Nishimoto, H; Kato, Y; Sato, A; Takano, T

    INTERNATIONAL JOURNAL OF CLINICAL ONCOLOGY   29 ( 5 )   551 - 558   2024.3   ISSN:1341-9625 eISSN:1437-7772

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    Introduction: The timing of prophylactic pegylated granulocyte colony-stimulating factor (G-CSF) administration during cancer chemotherapy varies, with Day 2 and Days 3–5 being the most common schedules. Optimal timing remains uncertain, affecting efficacy and adverse events. This systematic review sought to evaluate the available evidence on the timing of prophylactic pegylated G-CSF administration. Methods: Based on the Minds Handbook for Clinical Practice Guideline Development, we searched the PubMed, Ichushi-Web, and Cochrane Library databases for literature published from January 1990 to December 2019. The inclusion criteria included studies among the adult population using pegfilgrastim. The search strategy focused on timing-related keywords. Two reviewers independently extracted and assessed the data. Results: Among 300 initial search results, only four articles met the inclusion criteria. A meta-analysis for febrile neutropenia incidence suggested a potential higher incidence when pegylated G-CSF was administered on Days 3–5 than on Day 2 (odds ratio: 1.27, 95% CI 0.66–2.46, p = 0.47), with a moderate certainty of evidence. No significant difference in overall survival or mortality due to infections was observed. The trend of severe adverse events was lower on Days 3–5, without statistical significance (odds ratio: 0.72, 95% CI 0.14–3.67, p = 0.69) and with a moderate certainty of evidence. Data on pain were inconclusive. Conclusions: Both Day 2 and Days 3–5 were weakly recommended for pegylated G-CSF administration post-chemotherapy in patients with cancer. The limited evidence highlights the need for further research to refine recommendations.

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  • A Learning Program for Treatment Recommendations by Molecular Tumor Boards and Artificial Intelligence

    Kuniko Sunami, Yoichi Naito, Yusuke Saigusa, Toraji Amano, Daisuke Ennishi, Mitsuho Imai, Hidenori Kage, Masashi Kanai, Hirotsugu Kenmotsu, Keigo Komine, Takafumi Koyama, Takahiro Maeda, Sachi Morita, Daisuke Sakai, Makoto Hirata, Mamoru Ito, Toshiyuki Kozuki, Hiroyuki Sakashita, Hidehito Horinouchi, Yusuke Okuma, Atsuo Takashima, Toshio Kubo, Shuichi Hironaka, Yoshihiko Segawa, Yoshihiro Yakushijin, Hideaki Bando, Akitaka Makiyama, Tatsuya Suzuki, Ichiro Kinoshita, Shinji Kohsaka, Yuichiro Ohe, Chikashi Ishioka, Kouji Yamamoto, Katsuya Tsuchihara, Takayuki Yoshino

    JAMA Oncology   10 ( 1 )   95 - 95   2024.1   ISSN:2374-2437 eISSN:2374-2445

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    Importance

    Substantial heterogeneity exists in treatment recommendations across molecular tumor boards (MTBs), especially for biomarkers with low evidence levels; therefore, the learning program is essential.

    Objective

    To determine whether a learning program sharing treatment recommendations for biomarkers with low evidence levels contributes to the standardization of MTBs and to investigate the efficacy of an artificial intelligence (AI)–based annotation system.

    Design, Setting, and Participants

    This prospective quality improvement study used 50 simulated cases to assess concordance of treatment recommendations between a central committee and participants. Forty-seven participants applied from April 7 to May 13, 2021. Fifty simulated cases were randomly divided into prelearning and postlearning evaluation groups to assess similar concordance based on previous investigations. Participants included MTBs at hub hospitals, treating physicians at core hospitals, and AI systems. Each participant made treatment recommendations for each prelearning case from registration to June 30, 2021; participated in the learning program on July 18, 2021; and made treatment recommendations for each postlearning case from August 3 to September 30, 2021. Data were analyzed from September 2 to December 10, 2021.

    Exposures

    The learning program shared the methodology of making appropriate treatment recommendations, especially for biomarkers with low evidence levels.

    Main Outcomes and Measures

    The primary end point was the proportion of MTBs that met prespecified accreditation criteria for postlearning evaluations (approximately 90% concordance with high evidence levels and approximately 40% with low evidence levels). Key secondary end points were chronological enhancements in the concordance of treatment recommendations on postlearning evaluations from prelearning evaluations. Concordance of treatment recommendations by an AI system was an exploratory end point.

    Results

    Of the 47 participants who applied, 42 were eligible. The accreditation rate of the MTBs was 55.6% (95% CI, 35.3%-74.5%; P &amp;amp;lt; .001). Concordance in MTBs increased from 58.7% (95% CI, 52.8%-64.4%) to 67.9% (95% CI, 61.0%-74.1%) (odds ratio, 1.40 [95% CI, 1.06-1.86]; P = .02). In postlearning evaluations, the concordance of treatment recommendations by the AI system was significantly higher than that of MTBs (88.0% [95% CI, 68.7%-96.1%]; P = .03).

    Conclusions and Relevance

    The findings of this quality improvement study suggest that use of a learning program improved the concordance of treatment recommendations provided by MTBs to central ones. Treatment recommendations made by an AI system showed higher concordance than that for MTBs, indicating the potential clinical utility of the AI system.

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  • Homologous Recombination Repair Gene Alterations Are Associated with Tumor Mutational Burden and Survival of Immunotherapy. International journal

    Mamoru Ito, Makoto Kubo, Hitomi Kawaji, Yoshiki Otsubo, Kanako Kurata, Hikaru Abutani, Mikita Suyama, Yoshinao Oda, Tomoharu Yoshizumi, Masafumi Nakamura, Eishi Baba

    Cancers   15 ( 23 )   2023.11

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  • Homologous Recombination Repair Gene Alterations Are Associated with Tumor Mutational Burden and Survival of Immunotherapy Reviewed International journal

    Mamoru Ito, Makoto Kubo, Hitomi Kawaji, Yoshiki Otsubo, Kanako Kurata, Hikaru Abutani, Mikita Suyama, Yoshinao Oda, Tomoharu Yoshizumi, Masafumi Nakamura, Eishi Baba

    Cancers   2023.11

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  • Outcome of parameningeal head and neck rhabdomyosarcoma in adults: Kyushu Medical Oncology Group Study

    Isobe, T; Tsuchihashi, K; Ueno, S; Taguchi, R; Ito, M; Nakano, M; Ariyama, H; Hanamura, F; Okumura, Y; Komoda, M; Esaki, T; Arita, S; Nio, K; Kusaba, H; Hashimoto, K; Yoshitake, T; Oda, Y; Akashi, K; Baba, E

    ANNALS OF ONCOLOGY   34   S1409 - S1409   2023.11   ISSN:0923-7534 eISSN:1569-8041

  • Survival outcomes including salvage therapy of adult head and neck para-meningeal rhabdomyosarcoma: a multicenter retrospective study from Japan

    Kenji Tsuchihashi, Mamoru Ito, Shuji Arita, Hitoshi Kusaba, Wataru Kusano, Takashi Matsumura, Takafumi Kitazono, Shohei Ueno, Ryosuke Taguchi, Tomoyasu Yoshihiro, Yasuhiro Doi, Kohei Arimizu, Hirofumi Ohmura, Tatsuhiro Kajitani, Kenta Nio, Michitaka Nakano, Kotoe Oshima, Shingo Tamura, Tsuyoshi Shirakawa, Hozumi Shimokawa, Keita Uchino, Fumiyasu Hanamura, Yuta Okumura, Masato Komoda, Taichi Isobe, Hiroshi Ariyama, Taito Esaki, Kazuki Hashimoto, Noritaka Komune, Mioko Matsuo, Keiji Matsumoto, Kaori Asai, Tadamasa Yoshitake, Hidetaka Yamamoto, Yoshinao Oda, Koichi Akashi, Eishi Baba

    BMC Cancer   23 ( 1 )   1046   2023.10   eISSN:1471-2407

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    Abstract

    Background

    Rhabdomyosarcoma is the most common soft tissue sarcoma in children, but rare in adults. Para-meningeal rhabdomyosarcoma in head and neck (PM-HNRMS) is less applicable for surgery due to the anatomic reason. PM-HNRMS has a poor prognosis in children. However, its clinical outcomes remain unclear in adults due to the rarity. Further, there is almost no detailed data about salvage therapy.

    Methods

    We retrospectively examined the adult patients with PM-HNRMS treated at institutions belonging to the Kyushu Medical Oncology Group from 2009 to 2022. We evaluated the overall survival (OS) and progression-free survival (PFS) of the patients who received a first-line therapy. We also reviewed the clinical outcomes of patients who progressed against a first-line therapy and received salvage therapy.

    Results

    Total 11 patients of PM-HNRMS received a first-line therapy. The characteristics were as follows: median age: 38 years (range 25 – 63 years), histology (alveolar/spindle): 10/1, and risk group (intermediate/high): 7/4. As a first-line therapy, VAC and ARST0431-based regimen was performed in 10 and 1 patients, respectively. During a first-line therapy, definitive radiation for all lesions were performed in seven patients. The median PFS was 14.2 months (95%CI: 6.0 – 25.8 months): 17.1 months (95%CI: 6.0 – not reached (NR)) for patients with stage I-III and 8.5 months (95%CI: 5.2 – 25.8 months) for patients with stage IV. The 1-year and 3-year PFS rates were 54.5% and 11.3% for all patients. Median OS in all patients was 40.8 months (95%CI: 12.1 months–NR): 40.8 months (95%CI: 12.1 – NR) for patients with stage I-III and NR for patients with stage IV. The 5-year OS rate was 48.5% for all patients. Among seven patients who received salvage therapy, three are still alive, two of whom remain disease-free for over 4 years after completion of the last therapy. Those two patients received multi-modal therapy including local therapy for all detected lesions.

    Conclusion

    The cure rate of adult PM-HNRMS is low in spite of a first-line therapy in this study. Salvage therapy might prolong the survival in patients who received the multi-modal therapy including local therapy for all detected lesions.

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  • Case Report: Resolution of remitting seronegative symmetrical synovitis with pitting edema during nivolumab therapy for gastric cancer

    Hirofumi Ohmura, Moe Kondo, Masato Uenomachi, Hiroshi Ariyama, Mamoru Ito, Kenji Tsuchihashi, Masahiro Ayano, Hiroaki Niiro, Koichi Akashi, Eishi Baba

    Frontiers in Oncology   13   1260818   2023.10   ISSN:2234-943X eISSN:2234-943X

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    The anti-programmed cell death-1 (PD-1) antibody nivolumab has been shown to significantly prolong the survival of patients with unresectable advanced or recurrent gastric cancer (AGC). However, immune-related adverse events (irAEs), which show different profiles from those of cytotoxic agents or conventional molecular-targeted drugs including tyrosine kinase inhibitors, have been reported. Remitting seronegative symmetrical synovitis with pitting edema (RS3PE) is a rare autoimmune disorder with acute-onset, rheumatoid factor-negative, symmetric synovitis associated with limb edema observed in elderly persons. A case of RS3PE syndrome that developed after administration of nivolumab for advanced gastric cancer is reported. This is the first report of a case of RS3PE syndrome as an irAE caused by nivolumab in a patient with gastric cancer.

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  • Preferential B cell differentiation by combined immune checkpoint blockade for renal cell carcinoma is associated with clinical response and autoimmune reactions. International journal

    Koki Uehara, Kenro Tanoue, Kyoko Yamaguchi, Hirofumi Ohmura, Mamoru Ito, Yuzo Matsushita, Kenji Tsuchihashi, Shingo Tamura, Hozumi Shimokawa, Taichi Isobe, Yoshihiro Shibata, Hiroshi Ariyama, Risa Tanaka, Hitoshi Kusaba, Hidetaka Yamamoto, Yoshinao Oda, Koichi Akashi, Eishi Baba

    Cancer immunology, immunotherapy : CII   72 ( 11 )   3543 - 3558   2023.8   ISSN:0340-7004 eISSN:1432-0851

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    Combined immune checkpoint blockade (ICB) is effective therapy for renal cell carcinoma (RCC). However, the dynamic changes in circulating B cells induced by combined ICB have not been clarified. The present study prospectively examined 22 patients scheduled to receive ICB for unresectable or metastatic RCC between March 2018 and August 2021. Eleven patients received combined therapy with anti-PD-1 (nivolumab) and anti-CTLA-4 (ipilimumab), and the other 11 patients received nivolumab monotherapy. Comprehensive phenotypes of circulating immune cells obtained prior to and after ICB therapy were analyzed by flow cytometry. Although the proportion of naïve B cells among total B cells was significantly decreased, that of switched memory B cells was significantly increased after combined therapy. In responders, the proportion of B cells among peripheral blood mononuclear cells was significantly higher prior to ICB therapy, and the proportion of switched memory B cells among total B cells tended to increase after ICB therapy. Of note, the proportion of plasmablasts among total B cells was significantly increased after ICB therapy in patients who developed severe immune-related adverse events (irAEs), and the proportion of B cells among peripheral blood decreased significantly. Furthermore, in four of five patients who developed immune-related hypophysitis following combined therapy, anti-pituitary antibody was detected in the serum. These results suggested that immune-related hypophysitis was closely related to the increase in circulating plasmablasts. Collectively, this study suggests that combined ICB promotes the differentiation of B cell populations, which is associated with efficient tumor suppression and development of irAEs.

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  • Intraosseous synovial sarcoma of the mandible: A case report and review of the literature. International journal

    Ikumi Imajo, Tomohiro Yamada, Toru Chikui, Tamotsu Kiyoshima, Mamoru Ito, Kenichi Kohashi, Eiji Sakamoto, Yoshinao Oda

    Oncology letters   26 ( 1 )   318 - 318   2023.7

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    DOI: 10.3892/ol.2023.13904

  • Concordance Between Recommendations From Multidisciplinary Molecular Tumor Boards and Central Consensus for Cancer Treatment in Japan

    Yoichi Naito, Kuniko Sunami, Hidenori Kage, Keigo Komine, Toraji Amano, Mitsuho Imai, Takafumi Koyama, Daisuke Ennishi, Masashi Kanai, Hirotsugu Kenmotsu, Takahiro Maeda, Sachi Morita, Daisuke Sakai, Kousuke Watanabe, Hidekazu Shirota, Ichiro Kinoshita, Masashiro Yoshioka, Nobuaki Mamesaya, Mamoru Ito, Shinji Kohsaka, Yusuke Saigusa, Kouji Yamamoto, Makoto Hirata, Katsuya Tsuchihara, Takayuki Yoshino

    JAMA Network Open   5 ( 12 )   e2245081 - e2245081   2022.12   ISSN:2574-3805 eISSN:25743805

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    Importance

    Quality assurance of molecular tumor boards (MTBs) is crucial in cancer genome medicine.

    Objective

    To evaluate the concordance of recommendations by MTBs and centrally developed consensus treatment recommendations at all 12 leading institutions for cancer genomic medicine in Japan using 50 simulated cases.

    Design, Setting, and Participants

    This was a prospective quality improvement study of 50 simulated cancer cases. Molecular tumor boards from 12 core hospitals independently recommended treatment for 50 cases blinded to the centrally developed consensus treatment recommendations. The study’s central committee consisted of representatives from all 12 core hospitals in Japan who selected the 50 simulated cases from The Cancer Genome Atlas database, including frequently observed genomic alterations. The central committee recommended centrally developed consensus treatment. The concordance rate for genomically matched treatments between MTBs and centrally developed consensus treatment recommendations was evaluated. Data analysis was conducted from January 22 to March 3, 2021.

    Exposures

    Simulated cases of cancer.

    Main Outcomes and Measures

    The primary outcome was concordance, defined as the proportion of recommendations by MTBs concordant with centrally developed consensus treatment recommendations. A mixed-effects logistic regression model, adjusted for institutes as a random intercept, was applied. High evidence levels were defined as established biomarkers for which the treatment was ready for routine use in clinical practice, and low evidence levels were defined as biomarkers for genomically matched treatment that were under investigation.

    Results

    The Clinical Practice Guidance for Next-Generation Sequencing in Cancer Diagnosis and Treatment (edition 2.1) was used for evidence-level definition. The mean concordance between MTBs and centrally developed consensus treatment recommendations was 62% (95% CI, 57%-65%). Each MTB concordance varied from 48% to 86%. The concordance rate was higher in the subset of patients with colorectal cancer (100%; 95% CI, 94.0%-100%), ROS1 fusion (100%; 95% CI, 85.5%-100%), and high evidence level A/R (A: 88%; 95% CI, 81.8%-93.0%; R:100%; 95% CI, 92.6%-100%). Conversely, the concordance rate was lower in cases of cervical cancer (11%; 95% CI, 3.1%-26.1%), TP53 mutation (16%; 95% CI, 12.5%-19.9%), and low evidence level C/D/E (C: 30%; 95% CI, 24.7%-35.9%; D: 25%; 95% CI, 5.5%-57.2%; and E: 18%; 95% CI, 13.8%-23.0%). Multivariate analysis showed that evidence level (high [A/R] vs low [C/D/E]: odds ratio, 4.4; 95% CI, 1.8-10.8) and TP53 alteration (yes vs no: odds ratio, 0.06; 95% CI, 0.03-0.10) were significantly associated with concordance.

    Conclusions and Relevance

    The findings of this study suggest that genomically matched treatment recommendations differ among MTBs, particularly in genomic alterations with low evidence levels wherein treatment is being investigated. Sharing information on matched therapy for low evidence levels may be needed to improve the quality of MTBs.

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  • IMPROVE bleeding score predicts major bleeding in advanced gastrointestinal cancer patients with venous thromboembolism. International journal

    Hitoshi Kusaba, Shohei Moriyama, Michinari Hieda, Mamoru Ito, Hirofumi Ohmura, Taichi Isobe, Kenji Tsuchihashi, Mitsuhiro Fukata, Hiroshi Ariyama, Eishi Baba

    Japanese journal of clinical oncology   52 ( 10 )   1183 - 1190   2022.10   ISSN:0368-2811 eISSN:1465-3621

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    BACKGROUND: The incidence of venous thromboembolism has been reported as 20% in cancer patients. Anticoagulation therapy is the standard treatment for venous thromboembolism. On the other hand, bleeding should be carefully managed, because advanced cancer, particularly gastrointestinal cancer, carries a high risk of bleeding. However, the optimal management for cancer-associated thromboembolism remains to be clarified. METHODS: We retrospectively examined patients with advanced gastrointestinal cancer, including gastric cancer and colorectal cancer, who were treated with chemotherapy between 2014 and 2018 for the incidence and characteristics of venous thromboembolism and bleeding. RESULTS: In total, 194 patients (120 men, 74 women) were enrolled in this study. The underlying pathology was gastric cancer in 74 cases and colorectal cancer in 120 cases. Of the 194 patients, 40 patients (20.6%) were diagnosed with venous thromboembolism and 10 patients (5.2%) were diagnosed with concomitant pulmonary thromboembolism. Conversely, bleeding was observed in 29 patients (15%). The location of bleeding was the primary tumor in 17 cases, metastatic tumor in 9 and hemorrhagic gastric ulcer in 3. Within the venous thromboembolism group (n = 40), bleeding was observed in 10 patients (25%). Multivariate analysis showed that International Medical Prevention Registry on Venous Thromboembolism (IMPROVE) bleeding score ≥7 correlated significantly with major bleeding (P = 0.01). In patients with a low risk of bleeding, major bleeding was observed in only three patients. CONCLUSIONS: IMPROVE bleeding score may predict the risk for bleeding in gastrointestinal cancer patients with venous thromboembolism. Selecting patients with a low risk of bleeding using with IMPROVE bleeding score is expected to contribute to the safer management of anticoagulation therapy for cancer-associated thromboembolism.

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  • 希少がんの治療戦略 信頼と絆に基づく肉腫のチーム医療

    遠藤 誠, 土橋 賢司, 松本 嘉寛, 坂本 節子, 鍋島 央, 飯田 圭一郎, 藤原 稔史, 伊東 守, 磯部 大地, 有山 寛, 赤司 浩一, 馬場 英司, 中島 康晴

    日本癌治療学会学術集会抄録集   60回   WS15 - 3   2022.10

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  • 希少がんの治療戦略 信頼と絆に基づく肉腫のチーム医療

    遠藤 誠, 土橋 賢司, 松本 嘉寛, 坂本 節子, 鍋島 央, 飯田 圭一郎, 藤原 稔史, 伊東 守, 磯部 大地, 有山 寛, 赤司 浩一, 馬場 英司, 中島 康晴

    日本癌治療学会学術集会抄録集   60回   WS15 - 3   2022.10

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  • Potential therapeutic targets discovery by transcriptome analysis of an in vitro human gastric signet ring carcinoma model.

    Kyoko Yamaguchi, Tomoyasu Yoshihiro, Hiroshi Ariyama, Mamoru Ito, Michitaka Nakano, Yuichiro Semba, Jumpei Nogami, Kenji Tsuchihashi, Takuji Yamauchi, Shohei Ueno, Taichi Isobe, Koji Shindo, Taiki Moriyama, Kenoki Ohuchida, Masafumi Nakamura, Yoshihiro Nagao, Tetsuo Ikeda, Makoto Hashizume, Hiroyuki Konomi, Takehiro Torisu, Takanari Kitazono, Tomohiro Kanayama, Hiroyuki Tomita, Yoshinao Oda, Hitoshi Kusaba, Takahiro Maeda, Koichi Akashi, Eishi Baba

    Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association   25 ( 5 )   862 - 878   2022.9   ISSN:1436-3291 eISSN:1436-3305

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    BACKGROUND: Loss of E-cadherin expression is frequently observed in signet ring carcinoma (SRCC). People with germline mutations in CDH1, which encodes E-cadherin, develop diffuse gastric cancer at a higher rate. Loss of E-cadherin expression is thus assumed to trigger oncogenic development. METHODS: To investigate novel therapeutic targets for gastric SRCC, we engineered an E-cadherin-deficient SRCC model in vitro using a human gastric organoid (hGO) with CDH1 knockout (KO). RESULTS: CDH1 KO hGO cells demonstrated distinctive morphological changes similar to SRCC and high cell motility. RNA-sequencing revealed up-regulation of matrix metalloproteinase (MMP) genes in CDH1 KO hGO cells compared to wild type. MMP inhibitors suppressed cell motility of CDH1 KO hGO cells and SRCC cell lines in vitro. Immunofluorescent analysis with 95 clinical gastric cancer tissues revealed that MMP-3 was specifically abundant in E-cadherin-aberrant SRCC. In addition, CXCR4 molecules translocated onto the cell membrane after CDH1 KO. Addition of CXCL12, a ligand of CXCR4, to the culture medium prolonged cell survival of CDH1 KO hGO cells and was abolished by the inhibitor, AMD3100. In clinical SRCC samples, CXCL12-secreting fibroblasts showed marked infiltration into the cancer area. CONCLUSIONS: E-cadherin deficient SRCCs might gain cell motility through upregulation of MMPs. CXCL12-positive cancer-associated fibroblasts could serve to maintain cancer-cell survival as a niche. MMPs and the CXCL12/CXCR4 axis represent promising candidates as novel therapeutic targets for E-cadherin-deficient SRCC.

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  • Macrophages are primed to transdifferentiate into fibroblasts in malignant ascites and pleural effusions Reviewed International journal

    Mamoru Ito, Michitaka Nakano, Hiroshi Ariyama, Kyoko Yamaguchi, Risa Tanaka, Yuichiro Semba, Takeshi Sugio, Kohta Miyawaki, Yoshikane Kikushige, Shinichi Mizuno, Taichi Isobe, Kenro Tanoue, Ryosuke Taguchi, Shohei Ueno, Takahito Kawano, Masaharu Murata, Eishi Baba, Koichi Akashi

    Cancer Letters   2022.2

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  • PD-L1 expression is regulated by RNA N6-methyladenosine demethylase FTO in colon cancer cells

    Tsuchihashi, K; Tsuruta, N; Ohmura, H; Yamaguchi, K; Ito, M; Tanoue, K; Isobe, T; Ariyama, H; Kusaba, H; Akashi, K; Baba, E

    CANCER SCIENCE   113   1331 - 1331   2022.2   ISSN:1347-9032 eISSN:1349-7006

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  • Alveolar soft part sarcoma of the orbit: A case report

    Takeshi Oda, Kazufumi Kikuchi, Osamu Togao, Shingo Baba, Masahiro Mizoguchi, Mika Tanabe, Mamoru Ito, Hidetaka Yamamoto, Kousei Ishigami, Akio Hiwatashi

    Radiology Case Reports   16 ( 12 )   3766 - 3771   2021.12

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  • Improvement in recurring nivolumab-induced pneumonitis with repetitive administration of infliximab in a patient with head and neck cancer: A case report. International journal

    Shohei Ueno, Masato Uenomachi, Hitoshi Kusaba, Mamoru Ito, Kunihiro Suzuki, Hirofumi Ohmura, Kenji Tsuchihashi, Hiroshi Ariyama, Koichi Akashi, Eishi Baba

    Molecular and clinical oncology   15 ( 4 )   221 - 221   2021.10

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  • Does the Use of Peripheral Immune-Related Markers Indicate Whether to Administer Pazopanib, Trabectedin, or Eribulin to Advanced Soft Tissue Sarcoma Patients? International journal

    Eijiro Shimada, Makoto Endo, Yoshihiro Matsumoto, Kenji Tsuchihashi, Mamoru Ito, Hitoshi Kusaba, Akira Nabeshima, Tomoya Nawata, Akira Maekawa, Tomoya Matsunobu, Nokitaka Setsu, Toshifumi Fujiwara, Keiichiro Iida, Makoto Nakagawa, Takeshi Hirose, Masaya Kanahori, Ryunosuke Oyama, Taichi Isobe, Hiroshi Ariyama, Kenichi Kohashi, Hidetaka Yamamoto, Yoshinao Oda, Yukihide Iwamoto, Koichi Akashi, Eishi Baba, Yasuharu Nakashima

    Journal of clinical medicine   10 ( 21 )   2021.10

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  • [Development of Cancer Genomic Medicine in Kyushu Region and the Roles of Kyushu University Hospital as a Core Hospital for Cancer Genomic Medicine].

    Mamoru Ito, Eishi Baba

    Gan to kagaku ryoho. Cancer & chemotherapy   48 ( 7 )   873 - 877   2021.7

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  • Prominent PD-L1-positive M2 macrophage infiltration in gastric cancer with hyper-progression after anti-PD-1 therapy: A case report. International journal

    Kyoko Yamaguchi, Kenji Tsuchihashi, Kunihiro Tsuji, Yosuke Kito, Kenro Tanoue, Hirofumi Ohmura, Mamoru Ito, Taichi Isobe, Hiroshi Ariyama, Hitoshi Kusaba, Koichi Akashi, Eishi Baba

    Medicine   100 ( 19 )   e25773   2021.5

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  • Predictive impact of C-reactive protein to albumin ratio for recurrent or metastatic head and neck squamous cell carcinoma receiving nivolumab. International journal

    Kenro Tanoue, Shingo Tamura, Hitoshi Kusaba, Yudai Shinohara, Mamoru Ito, Kenji Tsuchihashi, Tsuyoshi Shirakawa, Taiga Otsuka, Hirofumi Ohmura, Taichi Isobe, Hiroshi Ariyama, Sakuya Koreishi, Yuzo Matsushita, Hozumi Shimokawa, Risa Tanaka, Kenji Mitsugi, Koichi Akashi, Eishi Baba

    Scientific reports   11 ( 1 )   2741 - 2741   2021.2

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    DOI: 10.1038/s41598-021-82448-1

  • Eribulin as a first-line treatment for soft tissue sarcoma patients with contraindications for doxorubicin. International journal

    Kenji Tsuchihashi, Hitoshi Kusaba, Tomoyasu Yoshihiro, Toshifumi Fujiwara, Nokitaka Setsu, Makoto Endo, Yoshihiro Matsumoto, Takashi Imajima, Yudai Shinohara, Mamoru Ito, Satoru Yamaga, Kenro Tanoue, Kohei Arimizu, Hirofumi Ohmura, Fumiyasu Hanamura, Kyoko Yamaguchi, Taichi Isobe, Hiroshi Ariyama, Yasuharu Nakashima, Koichi Akashi, Eishi Baba

    Scientific reports   10 ( 1 )   20896 - 20896   2020.12

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    DOI: 10.1038/s41598-020-77898-y

  • RNA N6-methyladenosine demethylase FTO regulates PD-L1 expression in colon cancer cells

    Nobuhiro Tsuruta, Kenji Tsuchihashi, Hirofumi Ohmura, Kyoko Yamaguchi, Mamoru Ito, Hiroshi Ariyama, Hitoshi Kusaba, Koichi Akashi, Eishi Baba

    Biochemical and Biophysical Research Communications   530 ( 1 )   235 - 239   2020.9

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    Language:Others   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.bbrc.2020.06.153

  • FoundationOne CDxによる進行大腸癌患者の遺伝子変異解析

    倉田 加奈子, 久保 真, 永井 俊太郎, 藤田 逸人, 土橋 賢司, 有山 寛, 永吉 絹子, 貞苅 良彦, 川地 眸, 甲斐 昌也, 伊東 守, 山元 英崇, 小田 義直, 馬場 英司, 中村 雅史

    日本外科学会定期学術集会抄録集   120回   SF - 5   2020.8

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  • Exploratory retrospective study of risk factors for thromboembolism treated with multi-kinase inhibitor pazopanib or lenvatinib

    Kenta Nio, Kenji Tsuchihashi, Keisuke Taguchi, Tomoyasu Yoshihiro, Kyoko Yamaguchi, Mamoru Ito, Shohei Moriyama, Mitsuhiro Fukata, Toshifumi Fujiwara, Nokitaka Setsu, Makoto Endo, Yoshihiro Matsumoto, Yasuharu Nakashima, Takahiro Wakasaki, Ryuji Yasumatsu, Hiroshi Ariyama, Hitoshi Kusaba, Junji Kishimoto, Koichi Akashi, Eishi Baba

    INTERNATIONAL JOURNAL OF SURGERY-ONCOLOGY   5 ( 4 )   2020.8

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1097/IJ9.0000000000000089

  • OX40 and LAG3 are associated with better prognosis in advanced gastric cancer patients treated with anti-programmed death-1 antibody. International journal

    Hirofumi Ohmura, Kyoko Yamaguchi, Fumiyasu Hanamura, Mamoru Ito, Akitaka Makiyama, Keita Uchino, Hozumi Shimokawa, Shingo Tamura, Taito Esaki, Kenji Mitsugi, Yoshihiro Shibata, Hisanobu Oda, Kenji Tsuchihashi, Hiroshi Ariyama, Hitoshi Kusaba, Yoshinao Oda, Koichi Akashi, Eishi Baba

    British journal of cancer   122 ( 10 )   1507 - 1517   2020.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/s41416-020-0810-1

  • Activation of memory/effector T cells and association between prognosis and OX40-positive T cells in advanced head and neck cancer patients treated with anti-programmed death-1 antibody.

    Hirofumi Ohmura, Kyoko Yamaguchi, Fumiyasu Hanamura, Tanoue Kenrou, Shiho Kawagoe, Kohei Arimizu, Yuzo Matsushita, Tatsuhiro Kajitani, Shingo Tamura, Hozumi Shimokawa, Keita Uchino, Hisanobu Oda, Yudai Shinohara, Mamoru Ito, Kenji Tsuchihashi, Taichi Isobe, Hiroshi Ariyama, Hitoshi Kusaba, Koichi Akashi, Eishi Baba

    Journal of Clinical Oncology   38 ( 5_suppl )   35 - 35   2020.2

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    DOI: 10.1200/jco.2020.38.5_suppl.35

  • Methylation of drug resistance-related genes in chemotherapy-sensitive Epstein-Barr virus-associated gastric cancer. International journal

    Hirofumi Ohmura, Mamoru Ito, Keita Uchino, Chihiro Okada, Shigeki Tanishima, Yuichi Yamada, Seiya Momosaki, Masato Komoda, Miyuki Kuwayama, Kyoko Yamaguchi, Yuta Okumura, Michitaka Nakano, Kenji Tsuchihashi, Taichi Isobe, Hiroshi Ariyama, Hitoshi Kusaba, Yoshinao Oda, Koichi Akashi, Eishi Baba

    FEBS open bio   10 ( 1 )   147 - 157   2020.1

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1002/2211-5463.12765

  • Efficacy and safety of ramucirumab plus modified FOLFIRI for metastatic colorectal cancer.

    Tomoyasu Yoshihiro, Hitoshi Kusaba, Akitaka Makiyama, Kazuma Kobayashi, Masato Uenomachi, Mamoru Ito, Yasuhiro Doi, Kenji Mitsugi, Tomomi Aikawa, Kotoe Takayoshi, Taito Esaki, Hozumi Shimokawa, Kenji Tsuchihashi, Hiroshi Ariyama, Koichi Akashi, Eishi Baba

    International journal of clinical oncology   24 ( 5 )   508 - 515   2019.5

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    DOI: 10.1007/s10147-018-01391-w

  • Dedifferentiation process driven by TGF-beta signaling enhances stem cell properties in human colorectal cancer. International journal

    Michitaka Nakano, Yoshikane Kikushige, Kohta Miyawaki, Yuya Kunisaki, Shinichi Mizuno, Katsuto Takenaka, Shingo Tamura, Yuta Okumura, Mamoru Ito, Hiroshi Ariyama, Hitoshi Kusaba, Masafumi Nakamura, Takahiro Maeda, Eishi Baba, Koichi Akashi

    Oncogene   38 ( 6 )   780 - 793   2019.2

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    DOI: 10.1038/s41388-018-0480-0

  • Activation of central/effector memory T cells in advanced gastric cancer patients treated with antiprogrammed death-1 antibody.

    Hirofumi Ohmura, Kyoko Yamaguchi, Fumiyasu Hanamura, Mamoru Ito, Akitaka Makiyama, Keita Uchino, Hozumi Shimokawa, Taito Esaki, Kenji Mitsugi, Yoshihiro Shibata, Hisanobu Oda, Kenji Tsuchihashi, Hiroshi Ariyama, Hitoshi Kusaba, Koichi Akashi, Eishi Baba

    Journal of Clinical Oncology   37 ( 4_suppl )   54 - 54   2019.2

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    DOI: 10.1200/jco.2019.37.4_suppl.54

  • Role of Predictive Value of the Modified Glasgow Prognostic Score for Later-line Chemotherapy in Patients With Metastatic Colorectal Cancer. International journal

    Kenji Tsuchihashi, Mamoru Ito, Toshikazu Moriwaki, Shota Fukuoka, Hiroya Taniguchi, Atsuo Takashima, Yosuke Kumekawa, Takeshi Kajiwara, Kentaro Yamazaki, Taito Esaki, Akitaka Makiyama, Tadamichi Denda, Hironaga Satake, Takeshi Suto, Naotoshi Sugimoto, Kenji Katsumata, Toshiaki Ishikawa, Tomomi Kashiwada, Eiji Oki, Yoshito Komatsu, Hiroyuki Okuyama, Daisuke Sakai, Hideki Ueno, Takao Tamura, Kimihiro Yamashita, Junji Kishimoto, Yasuhiro Shimada, Eishi Baba

    Clinical colorectal cancer   17 ( 4 )   e687-e697   2018.12

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    DOI: 10.1016/j.clcc.2018.07.004

  • Epithelial-mesenchymal transition is activated in CD44-positive malignant ascites tumor cells of gastrointestinal cancer. International journal

    Michitaka Nakano, Mamoru Ito, Risa Tanaka, Hiroshi Ariyama, Kenji Mitsugi, Akitaka Makiyama, Keita Uchino, Taito Esaki, Nobuhiro Tsuruta, Fumiyasu Hanamura, Kyoko Yamaguchi, Yuta Okumura, Kosuke Sagara, Kotoe Takayoshi, Kenta Nio, Kenji Tsuchihashi, Shingo Tamura, Hozumi Shimokawa, Shuji Arita, Kohta Miyawaki, Hitoshi Kusaba, Koichi Akashi, Eishi Baba

    Cancer science   109 ( 11 )   3461 - 3470   2018.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1111/cas.13777

  • The risk factors for oxaliplatin-induced peripheral sensory neuropathy and thrombocytopenia in advanced gastric cancer. International journal

    Kyoko Yamaguchi, Hitoshi Kusaba, Akitaka Makiyama, Kenji Mitsugi, Keita Uchino, Shingo Tamura, Yoshihiro Shibata, Taito Esaki, Mamoru Ito, Kotoe Takayoshi, Kenji Tsuchihashi, Shuji Arita, Hiroshi Ariyama, Koichi Akashi, Eishi Baba

    Cancer chemotherapy and pharmacology   82 ( 4 )   625 - 633   2018.10

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    DOI: 10.1007/s00280-018-3652-2

  • Activation of central/effector memory T cells and T-helper 1 polarization in malignant melanoma patients treated with anti-programmed death-1 antibody. International journal

    Kyoko Yamaguchi, Koji Mishima, Hirofumi Ohmura, Fumiyasu Hanamura, Mamoru Ito, Michitaka Nakano, Kenji Tsuchihashi, Shun-Ichiro Ota, Naoko Wada, Hiroshi Uchi, Hiroshi Ariyama, Hitoshi Kusaba, Hiroaki Niiro, Koichi Akashi, Eishi Baba

    Cancer science   109 ( 10 )   3032 - 3042   2018.10

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1111/cas.13758

  • PD-1+ TIM-3+ T cells in malignant ascites predict prognosis of gastrointestinal cancer. International journal

    Michitaka Nakano, Mamoru Ito, Risa Tanaka, Kyoko Yamaguchi, Hiroshi Ariyama, Kenji Mitsugi, Tomoyasu Yoshihiro, Hirofumi Ohmura, Nobuhiro Tsuruta, Fumiyasu Hanamura, Kosuke Sagara, Yuta Okumura, Kenta Nio, Kenji Tsuchihashi, Shuji Arita, Hitoshi Kusaba, Koichi Akashi, Eishi Baba

    Cancer science   109 ( 9 )   2986 - 2992   2018.9

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    DOI: 10.1111/cas.13723

  • A phase 2 study of fosaprepitant combined with high-dose dexamethasone for Japanese cancer patients receiving highly emetogenic chemotherapy. International journal

    Hozumi Kumagai, Hitoshi Kusaba, Takeharu Yamanaka, Kenta Nio, Kyoko Inadomi, Kotoe Takayoshi, Mamoru Ito, Shingo Tamura, Akitaka Makiyama, Chinatsu Makiyama, Gen Hirano, Yoshihiro Shibata, Tsuyoshi Shirakawa, Kenji Mitsugi, Hiroshi Ariyama, Taito Esaki, Koichi Akashi, Eishi Baba

    Medicine   97 ( 25 )   e11042   2018.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1097/MD.0000000000011042

  • Early tumor shrinkage indicates a favorable response to bevacizumab-based first-line chemotherapy for metastatic colorectal cancer. International journal

    Mamoru Ito, Hitoshi Kusaba, Satomi Mukaide, Junji Kishimoto, Hozumi Shimokawa, Shingo Tamura, Akitaka Makiyama, Gen Hirano, Hisanobu Oda, Tsuyoshi Shirakawa, Masato Komoda, Keita Uchino, Risa Tanaka, Kenji Mitsugi, Taito Esaki, Shuji Arita, Hiroshi Ariyama, Koichi Akashi, Eishi Baba

    Anti-cancer drugs   28 ( 10 )   1166 - 1173   2017.11

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1097/CAD.0000000000000562

  • Pancreatic acinar cell carcinoma presenting with panniculitis, successfully treated with FOLFIRINOX: A case report. International journal

    Tomoyasu Yoshihiro, Kenta Nio, Kenji Tsuchihashi, Hiroshi Ariyama, Kenichi Kohashi, Nobuhiro Tsuruta, Fumiyasu Hanamura, Kyoko Inadomi, Mamoru Ito, Kosuke Sagara, Yuta Okumura, Michitaka Nakano, Shuji Arita, Hitoshi Kusaba, Yoshinao Oda, Koichi Akashi, Eishi Baba

    Molecular and clinical oncology   6 ( 6 )   866 - 870   2017.6

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3892/mco.2017.1240

  • Programmed death-ligand 1 expression is associated with fibrosarcomatous transformation of dermatofibrosarcoma protuberans. International journal

    Kenji Tsuchihashi, Hitoshi Kusaba, Yuichi Yamada, Yuta Okumura, Hozumi Shimokawa, Masato Komoda, Keita Uchino, Tomoyasu Yoshihiro, Nobuhiro Tsuruta, Fumiyasu Hanamura, Kyoko Inadomi, Mamoru Ito, Kosuke Sagara, Michitaka Nakano, Kenta Nio, Shuji Arita, Hiroshi Ariyama, Kenichi Kohashi, Ryuji Tominaga, Yoshinao Oda, Koichi Akashi, Eishi Baba

    Molecular and clinical oncology   6 ( 5 )   665 - 668   2017.5

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3892/mco.2017.1197

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MISC

  • 【がんゲノム医療の進歩と問題点】臓器横断的がんゲノム医療の現状と将来展望

    山口 享子, 伊東 守, 馬場 英司

    腫瘍内科   29 ( 1 )   11 - 16   2022.1   ISSN:1881-6568

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    Language:Japanese   Publisher:(有)科学評論社  

  • 切除不能進行・再発腺様嚢胞癌(ACC)に対するニボルマブの有効性および安全性の後方視的検討

    上ノ町 優仁, 上野 翔平, 近藤 萌, 伊東 守, 土橋 賢司, 有山 寛, 草場 仁志, 馬場 英司, 田中 吏佐, 三ツ木 健二

    日本内科学会雑誌   2019.2

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  • 腔水症検体を用いたTAMからCAFへの分化機構の解明(Macrophages in ascites from cancer patients are primed to transdifferentiate into fibroblasts)

    伊東 守, 中野 倫孝, 有山 寛, 山口 享子, 仙波 雄一郎, 杉尾 健志, 宮脇 恒太, 菊繁 吉謙, 水野 晋一, 田中 吏佐, 馬場 英司, 赤司 浩一

    日本癌学会総会記事   2018.9

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