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RISS 인기검색어
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- 저자 : Yoshito Komatsu (검색결과 4 건)
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Tetsuhito Muranaka,Yoshito Komatsu,Satoshi Yuki,Kentaro Sawada,Kazuaki Harada,Yasuyuki Kawamoto,Hiroshi Nakatsumi,Naoya Sakamoto 대한위암학회 2016 Journal of gastric cancer Vol.16 No.3
Purpose: The International Organization for Standardization-5fluorouracil (FU) 10 trial found that bolus 5-FU and l-leucovorin was not inferior to S-1 in the treatment of gastric cancer (GC). Continuous 5-FU and the rapid injection of 5-FU have different anti-cancer effects. Thus, bolus 5-FU and l-leucovorin treatment might be useful for oral FU-resistant GC. Materials and Methods: We retrospectively analyzed the medical records of all patients with S-1 or capecitabine-resistant, unresectable, or recurrent GC treated with bolus 5-FU and l-leucovorin between January 2010 and December 2015 at Hokkaido University Hospital. The bolus 5-FU and l-leucovorin regimen consisted of intravenous l-leucovorin (250 mg/m2/2 h) and bolus 5-FU (600 mg/m2) administered once weekly followed by a 2-week rest period; each cycle was repeated every 8 weeks. Results: A total of 14 patients were identified. The disease control rate was 35.7%. The median progression-free survival was 1.6 months (95% confidence interval [CI], 1.3~2.0 months), and the median overall survival was 6.3 months (95% CI, 4.7~7.9 months). No patient died from treatment-related causes. The most common severe adverse event associated with bolus 5-FU and lleucovorin was neutropenia, which occurred in 21.4% of patients. Conclusions: Bolus 5-FU and l-leucovorin treatment might be useful for oral FU-resistant GC. We are planning a multi-center prospective phase II trial to evaluate the efficacy and safety of bolus 5-FU and l-leucovorin treatment for pre-treated unresectable or recurrent GC to confirm the results of this limited, retrospective study.
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Muranaka, Tetsuhito,Yuki, Satoshi,Komatsu, Yoshito,Sawada, Kentaro,Harada, Kazuaki,Kawamoto, Yasuyuki,Nakatsumi, Hiroshi,Sakamoto, Naoya The Korean Gastric Cancer Association 2016 Journal of gastric cancer Vol.16 No.3
Purpose: The International Organization for Standardization-5fluorouracil (FU) 10 trial found that bolus 5-FU and l-leucovorin was not inferior to S-1 in the treatment of gastric cancer (GC). Continuous 5-FU and the rapid injection of 5-FU have different anti-cancer effects. Thus, bolus 5-FU and l-leucovorin treatment might be useful for oral FU-resistant GC. Materials and Methods: We retrospectively analyzed the medical records of all patients with S-1 or capecitabine-resistant, unresectable, or recurrent GC treated with bolus 5-FU and l-leucovorin between January 2010 and December 2015 at Hokkaido University Hospital. The bolus 5-FU and l-leucovorin regimen consisted of intravenous l-leucovorin ($250mg/m^2/2h$) and bolus 5-FU ($600mg/m^2$) administered once weekly followed by a 2-week rest period; each cycle was repeated every 8 weeks. Results: A total of 14 patients were identified. The disease control rate was 35.7%. The median progression-free survival was 1.6 months (95% confidence interval [CI], 1.3~2.0 months), and the median overall survival was 6.3 months (95% CI, 4.7~7.9 months). No patient died from treatment-related causes. The most common severe adverse event associated with bolus 5-FU and l-leucovorin was neutropenia, which occurred in 21.4% of patients. Conclusions: Bolus 5-FU and l-leucovorin treatment might be useful for oral FU-resistant GC. We are planning a multi-center prospective phase II trial to evaluate the efficacy and safety of bolus 5-FU and l-leucovorin treatment for pre-treated unresectable or recurrent GC to confirm the results of this limited, retrospective study.
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Characteristics and usefulness of transabdominal ultrasonography in immune-mediated colitis
Kensuke Sakurai,Takehiko Katsurada,Mutsumi Nishida,Satomi Omotehara,Shinya Fukushima,Shinsuke Otagiri,Kazunori Nagashima,Reizo Onishi,Ryo Takagi,Yoshito Komatsu,Sakamoto Naoya 대한장연구학회 2023 Intestinal Research Vol.21 No.1
Background/Aims: The usefulness of ultrasonography (US) in diseases of the gastrointestinal tract has been reported recently. This prospective study aimed to determine the features of US findings in immune-mediated colitis (IMC), an adverse event induced by immune checkpoint inhibitor, and examine the correlation between US findings, colonoscopy (CS) findings, and severity of colitis. Methods: We studied patients examined using CS and US upon suspicion of IMC in Hokkaido University Hospital between April 2018 and February 2021. Endoscopic findings of IMC were assessed using the Ulcerative Colitis Endoscopic Index of Severity (UCEIS). The severity of US findings in IMC was evaluated using US grade, which is the ultrasonographic grading scale in ulcerative colitis. Bowel wall thickness and the intensity of the color Doppler signal were also analyzed. Severity of colitis was evaluated using Common Terminology Criteria for Adverse Events (CTCAE) grade version 5. Results: Fourteen patients with IMC were enrolled. The US findings were bowel wall thickening, loss of stratification, ulceration and increased blood flow signal. The US grade was moderately correlated with the UCEIS (r=0.687, P=0.009) and CTCAE grade (r=0.628, P=0.035). Bowel wall thickness and UCEIS (r=0.628, P=0.020), as well as color Doppler signal grade and CTCAE grade (r=0.724, P=0.008), were significantly correlated. Conclusions: US findings in IMC were mainly similar to those of ulcerative colitis, but there were some findings that were characteristic only of IMC. Significant correlation was found between US findings, CS findings, and severity of colitis. Hence, US could be useful for the evaluation of IMC.
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Satoh, Taroh,Lee, Kyung Hee,Rha, Sun Young,Sasaki, Yasutsuna,Park, Se Hoon,Komatsu, Yoshito,Yasui, Hirofumi,Kim, Tae-You,Yamaguchi, Kensei,Fuse, Nozomu,Yamada, Yasuhide,Ura, Takashi,Kim, Si-Young,Muna Springer Japan 2015 Gastric cancer Vol.18 No.4
<P><B>Background</B></P><P>This multicenter, randomized phase II trial was conducted to compare the efficacy and safety of nimotuzumab plus irinotecan (N-IRI) versus irinotecan alone (IRI) in patients with advanced gastric cancer (AGC) showing disease progression after previous 5-fluorouracil-based therapy.</P><P><B>Methods</B></P><P>Irinotecan-naive patients (<I>n</I> = 82) received N-IRI (nimotuzumab 400 mg weekly plus irinotecan 150 mg/m<SUP>2</SUP> biweekly) or IRI (irinotecan 150 mg/m<SUP>2</SUP> biweekly) until disease progression. The primary endpoint was progression-free survival (PFS), and the secondary endpoints were overall survival (OS), response rate (RR), safety, tolerability, and the correlation between efficacy and tumor epidermal growth factor receptor (EGFR) expression.</P><P><B>Results</B></P><P>Of 83 patients, 40 and 43 patients were randomly assigned to the N-IRI and IRI groups, respectively. In the N-IRI/IRI treatment group, median PFS was 73.0/85.0 days (<I>P</I> = 0.5668), and median OS and RR at 18 months were 250.5/232.0 days (<I>P</I> = 0.9778) and 18.4/10.3 %, respectively. Median PFS and OS in the EGFR 2+/3+ subgroups were 118.5/59.0 and 358.5/229.5 days, respectively. The RR was 33.3/0.0 % in the N-IRI/IRI treatment group. The incidence of grade 3 or higher adverse events was 77.5/64.3 %. No adverse events of grade 3 or higher skin rash or grade 3 or higher infusion-related reaction were reported.</P><P><B>Conclusions</B></P><P>There was no superiority of N-IRI over IRI alone in terms of PFS in 5-fluorouracil-refractory AGC patients. However, N-IRI showed potential improvement in the EGFR 2+/3+ subgroup based on improved RR, PFS, and OS.</P>
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