研究者詳細 - 荒木　元朗

論文 - 荒木　元朗

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当院における生体腎移植ドナーの術後フォローアップ状況

山野井友昭, 西村慎吾, 関戸崇了, 吉永香澄, 丸山雄樹, 定平卓也, 別宮謙介, 枝村康平, 小林知子, 小林泰之, 大西康博, 竹内英実, 田邊克幸, 森永裕士, 荒木元朗

日本臨床腎移植学会プログラム・抄録集 57回 208 - 208 2024年2月

当院における先行的生体腎移植の検討

吉永香澄, 関戸崇了, 丸山雄樹, 山野井友昭, 西村慎吾, 富永悠介, 定平卓也, 片山聡, 岩田健宏, 大西康博, 竹内英実, 田邊克幸, 森永裕士, 和田淳, 枝村康平, 小林知子, 小林泰之, 荒木元朗

日本臨床腎移植学会プログラム・抄録集 57回 210 - 210 2024年2月

Discontinuation of Immune-oncology Combinations due to Immune-related Adverse Events in Patients With Advanced Renal Cancers. 査読国際誌

Kensuke Bekku, Manuela Schmidinger, Satoshi Katayama, Tatsushi Kawada, Takafumi Yanagisawa, Takehiro Iwata, Kohei Edamura, Tomoko Kobayashi, Yasuyuki Kobayashi, Motoo Araki, Shahrokh F Shariat

Anticancer research 44 ( 1 ) 379 - 386 2024年1月

記述言語：英語掲載種別：研究論文（学術雑誌）

BACKGROUND/AIM: Patients with advanced renal cell carcinoma (aRCC) treated with immune-oncology (IO) drugs may need to discontinue the treatment when severe immune-related adverse events (irAE) occur; however, the impact of discontinuation on survival remains unknown. PATIENTS AND METHODS: This is a retrospective multicenter analysis using a database of 183 aRCC patients treated with first-line IO drugs combination. The patients were divided into two groups according to the necessity of discontinuation due to irAEs. The primary endpoint was overall survival (OS). Cox proportional hazard models determined the predictive factors on OS. RESULTS: Among a total of 135 patients who experienced irAE, 38 patients had to discontinue and 52 continued the treatment while treating irAE. When compared to patients who were able to continue treatment, discontinuation was associated with significantly higher rates of IO-IO doublet use, severe irAE (grade ≥3), steroid use, and the occurrence of immune-related pneumonitis (p=0.03, p<0.001, p<0.001, and p=0.02, respectively). The objective response rates were comparable between the two groups (discontinuation 55.6% vs. no discontinuation 56.0%, p=0.7). On univariate analysis, patients who discontinued had a significantly worse OS when compared to those who continued treatment (p=0.02). On the contrary, on multivariate analysis treatment discontinuation was not associated with poor OS (HR=1.1, p=0.9). CONCLUSION: Treatment discontinuation due to irAE was not associated with poor prognosis in aRCC patients treated with ICI-based combination therapy. Treatment discontinuation may be a reasonable treatment option for well-selected patients, specifically for those who experienced good treatment responses.

DOI： 10.21873/anticanres.16822

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腎提供後11年経過の若年ドナーに認めたT3a腎細胞癌の1例

原尚史, 西村慎吾, 長崎直也, 奥村美紗, 尾地晃典, 川野香, 渡部智文, 関戸崇了, 堀井聡, 吉永香澄, 丸山雄樹, 山野井智昭, 長尾賢太郎, 河田達志, 富永悠介, 定平卓也, 岩田健宏, 片山聡, 枝村康平, 小林知子, 小林泰之, 石井亜矢乃, 渡部昌実, 渡邉豊彦, 荒木元朗

西日本泌尿器科 86 ( 増刊号1 ) 24 - 24 2024年1月

生体腎移植レシピエントの周術期尿路感染症リスク因子の検討

西村慎吾, 長崎直也, 奥村美紗, 原尚史, 川野香, 横山周平, 渡部智文, 関戸崇了, 堀井聡, 吉永香澄, 丸山雄樹, 長尾賢太郎, 山野井友昭, 河田達志, 富永悠介, 定平卓也, 岩田健宏, 片山聡, 枝村康平, 小林知子, 小林泰之, 石井亜矢乃, 渡部昌実, 渡邉豊彦, 荒木元朗

西日本泌尿器科 86 ( 増刊号1 ) 56 - 56 2024年1月

グラフト感染が契機と考えられる腎動脈破綻を認めた自家腎移植の一例

西村慎吾, 長崎直也, 奥村美紗, 尾地晃典, 原尚史, 川野香, 横山周平, 渡部智文, 関戸崇了, 堀井聡, 吉永香澄, 丸山雄樹, 長尾賢太郎, 山野井友昭, 河田達志, 富永悠介, 定平卓也, 岩田健宏, 片山聡, 枝村康平, 小林知子, 小林泰之, 石井亜矢乃, 渡部昌実, 渡邉豊彦, 荒木元朗, 枝木大治, 加藤源太郎

西日本泌尿器科 86 ( 増刊号1 ) 57 - 57 2024年1月

高度腸骨動脈石灰化を有するレシピエントに対する脳死献腎移植の経験

吉永香澄, 西村慎吾, 長崎直也, 奥村美紗, 尾地晃典, 原尚史, 川野香, 横山周平, 渡部智文, 関戸崇了, 堀井聡, 丸山雄樹, 長尾賢太郎, 山野井友昭, 河田達志, 富永悠介, 定平卓也, 岩田健宏, 片山聡, 枝村康平, 小林知子, 小林泰之, 石井亜矢乃, 渡部昌実, 渡邉豊彦, 荒木元朗, 三浦望, 加藤源太郎

西日本泌尿器科 86 ( 増刊号1 ) 56 - 57 2024年1月

腎提供後11年経過の若年ドナーに認めたT3a腎細胞癌の1例

西日本泌尿器科 86 ( 増刊号1 ) 24 - 24 2024年1月

生体腎移植レシピエントの周術期尿路感染症リスク因子の検討

西日本泌尿器科 86 ( 増刊号1 ) 56 - 56 2024年1月

高度腸骨動脈石灰化を有するレシピエントに対する脳死献腎移植の経験

西日本泌尿器科 86 ( 増刊号1 ) 56 - 57 2024年1月

グラフト感染が契機と考えられる腎動脈破綻を認めた自家腎移植の一例

西日本泌尿器科 86 ( 増刊号1 ) 57 - 57 2024年1月

The current status and novel advances of boron neutron capture therapy clinical trials. 査読国際誌

Tianyun Zhou, Kazuyo Igawa, Tomonari Kasai, Takuya Sadahira, Wei Wang, Tomofumi Watanabe, Kensuke Bekku, Satoshi Katayama, Takehiro Iwata, Tadashi Hanafusa, Abai Xu, Motoo Araki, Hiroyuki Michiue, Peng Huang

American journal of cancer research 14 ( 2 ) 429 - 447 2024年

記述言語：英語掲載種別：研究論文（学術雑誌）

Boron neutron capture therapy (BNCT) is a treatment method that focuses on improving the cure rate of patients with cancer who are difficult to treat using traditional clinical methods. By utilizing the high neutron absorption cross-section of boron, material rich in boron inside tumor cells can absorb neutrons and release high-energy ions, thereby destroying tumor cells. Owing to the short range of alpha particles, this method can precisely target tumor cells while minimizing the inflicted damage to the surrounding normal tissues, making it a potentially advantageous method for treating tumors. Globally, institutions have progressed in registered clinical trials of BNCT for multiple body parts. This review summarized the current achievements in registered clinical trials, Investigator-initiated clinical trials, aimed to integrate the latest clinical research literature on BNCT and to shed light on future study directions.

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Clinical T1a Renal Cell Carcinoma with Solitary Diaphragmatic Metastasis in a Patient with von Hippel-Lindau Disease. 査読国際誌

Tadataka Hirai, Mayu Uka, Toshihiro Iguchi, Kazuya Yasui, Takahiro Kawabata, Noriyuki Umakoshi, Koji Tomita, Yusuke Matsui, Yasuyuki Kobayashi, Motoo Araki, Takao Hiraki

Journal of kidney cancer and VHL 11 ( 3 ) 23 - 26 2024年

記述言語：英語掲載種別：研究論文（学術雑誌）

We report the case of a 38-year-old man with two von Hippel-Lindau disease-associated T1a renal cell carcinomas (RCCs) (<2 cm in diameter) which developed into a 2.5-cm solitary diaphragmatic metastatic tumor. After diagnosis using percutaneous biopsy, the diaphragmatic metastasis and two RCCs were treated by laparoscopic resection and percutaneous cryoablation, respectively. One year after treatment, the patient survived without local recurrence or distant metastasis. This report describes a rare case of RCC metastasis in VHL disease and its treatment.

DOI： 10.15586/jkcvhl.v11i3.342

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Oncological outcomes of active surveillance versus surgery or ablation for patients with small renal masses: A systematic review and quantitative analysis 査読

Tsuboi I., Rajwa P., Campi R., Miszczyk M., Fazekas T., Matsukawa A., Parizi MK, Schulz RJ, Mancon S., Cadenar A., Laukhtina E., Kawada T., Katayama S., Iwata T., Bekku K., Wada K., Karakiewicz PI, Remzi M., Araki M., Shariat SF

Eur Urol Oncol 2024年

尿路結石治療の坂と雲～新たな時代の幕開け～結石手術における効率化・費用対効果向上のための新しいデバイスについて

富永悠介, 定平卓也, 片山聡, 岩田健宏, 西村慎吾, 別宮謙介, 枝村康平, 小林知子, 小林泰之, 荒木元朗

西日本泌尿器科 86 ( 4 ) 193 - 194 2024年

特集感染症と腎疾患総論腎移植患者における感染症査読

関戸崇了, 西村慎吾, 荒木元朗

腎と透析 96 ( 6 ) 717 - 722 2024年

腎移植術における血管吻合ロボット手術もふまえて

荒木元朗, 西村慎吾, 吉永香澄, 窪田理沙, 関戸崇了, 丸山雄樹, 山野井友昭, 富永悠介, 片山聡, 岩田健宏, 別宮謙介, 枝村康平, 小林知子, 小林泰之

日本血管外科学会雑誌 33 ( Suppl. ) SP2 - 5 2024年

The Diagnosis and Treatment Approach for Oligo-Recurrent and Oligo-Progressive Renal Cell Carcinoma. 査読国際誌

Kensuke Bekku, Tatsushi Kawada, Takanori Sekito, Kasumi Yoshinaga, Yuki Maruyama, Tomoaki Yamanoi, Yusuke Tominaga, Takuya Sadahira, Satoshi Katayama, Takehiro Iwata, Shingo Nishimura, Kohei Edamura, Tomoko Kobayashi, Yasuyuki Kobayashi, Motoo Araki, Yuzuru Niibe

Cancers 15 ( 24 ) 2023年12月

記述言語：英語掲載種別：研究論文（学術雑誌）

One-third of renal cell carcinomas (RCCs) without metastases develop metastatic disease after extirpative surgery for the primary tumors. The majority of metastatic RCC cases, along with treated primary lesions, involve limited lesions termed "oligo-recurrent" disease. The role of metastasis-directed therapy (MDT), including stereotactic body radiation therapy (SBRT) and metastasectomy, in the treatment of oligo-recurrent RCC has evolved. Although the surgical resection of all lesions alone can have a curative intent, SBRT is a valuable treatment option, especially for patients concurrently receiving systemic therapy. Contemporary immune checkpoint inhibitor (ICI) combination therapies remain central to the management of metastatic RCC. However, one objective of MDT is to delay the initiation of systemic therapies, thereby sparing patients from potentially unnecessary burdens. Undertaking MDT for cases showing progression under systemic therapies, known as "oligo-progression", can be complex in considering the treatment approach. Its efficacy may be diminished compared to patients with stable disease. SBRT combined with ICI can be a promising treatment for these cases because radiation therapy has been shown to affect the tumor microenvironment and areas beyond the irradiated sites. This may enhance the efficacy of ICIs, although their efficacy has only been demonstrated in clinical trials.

DOI： 10.3390/cancers15245873

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Prognostic impact of radiological tumor burden in patients with metastatic urothelial carcinoma treated with pembrolizumab 査読

Satoshi Katayama, Takehiro Iwata, Tasushi Kawada, Yusuke Okamoto, Yuho Sano, Yuya Kawago, Shuji Miyake, Takatoshi Moriwake, Aya Kuinose, Yuhei Horikawa, Kazuma Tsuboi, Ichiro Tsuboi, Kazuma Sakaeda, Hirokazu Nakatsuka, Atsushi Takamoto, Takeshi Hirata, Yoshinori Shirasaki, Taku Yamasaki, Hirofumi Morinaka, Naoya Nagasaki, Takafumi Hara, Akinori Ochi, Misa Okumura, Tomofumi Watanabe, Takanori Sekito, Kaoru Kawano, Satoshi Horii, Tomoaki Yamanoi, Kentaro Nagao, Kasumi Yoshinaga, Yuki Maruyama, Yusuke Tominaga, Takuya Sadahira, Shingo Nishimura, Kohei Edamura, Tomoko Kobayashi, Norihiro Kusumi, Kyohei Kurose, Yasuo Yamamoto, Morito Sugimoto, Tetsuya Nakada, Katsumi Sasaki, Tadasu Takenaka, Shin Ebara, Yoshiyuki Miyaji, Koichiro Wada, Yasuyuki Kobayashi, Motoo Araki

Urologic Oncology: Seminars and Original Investigations 2023年12月

【日本移植学会2022年症例登録統計報告】腎移植臨床登録集計報告(2023) 2022年実施症例の集計報告と追跡調査結果査読

中川由紀, 三重野牧子, 市丸直嗣, 西田隼人, 中村道郎, 堀田記世彦, 尾本和也, 田崎正行, 伊藤泰平, 奥見雅由, 荒木元朗, 祖父江理, 山田保俊, 島袋修一, 剣持敬, 湯沢賢治, 日本臨床腎移植学会・日本移植学会

移植 58 ( 3 ) 189 - 208 2023年12月

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