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S. Sadahiro · SciRah

Researcher profile · Semantic Scholar

S. Sadahiro

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S. Sadahiro — researcher profile on SciRah

h-index: 31
Works: 285
Citations: 3,365

Most-cited papers

Impact of postoperative complications on the colorectal cancer survival and recurrence: analyses of pooled individual patients’ data from three large phase III randomized trials
T. Aoyama, K. Oba, M. Honda, S. Sadahiro +8 more
2017Cancer Medicine110 citations Open access
Semantic Scholar
Monitoring of Serum Carcinoembryonic Antigen Levels after Curative Resection of Colon Cancer: Cutoff Values Determined according to Preoperative Levels Enhance the Diagnostic Accuracy for Recurrence
G. Saito, S. Sadahiro, Hiroko Kamata, H. Miyakita +3 more
2017Oncology52 citations Open access
Semantic Scholar
MR Imaging with Apparent Diffusion Coefficient Histogram Analysis: Evaluation of Locally Advanced Rectal Cancer after Chemotherapy and Radiation Therapy.
Nandin-Erdene Enkhbaatar, S. Inoue, Hiroshi Yamamuro, S. Kawada +4 more
2018Radiology50 citations
Semantic Scholar
Randomized phase III trial of treatment duration for oral uracil and tegafur plus leucovorin as adjuvant chemotherapy for patients with stage IIB/III colon cancer: final results of JFMC33-0502
S. Sadahiro, T. Tsuchiya, Kazuaki Sasaki, K. Kondo +12 more
2015Annals of Oncology50 citations Open access
Semantic Scholar
Risk Factors for Peritoneal Recurrence in Stage II to III Colon Cancer
S. Mayanagi, K. Kashiwabara, M. Honda, K. Oba +8 more
2018Diseases of the Colon & Rectum46 citations Open access
Semantic Scholar
Clinicopathological and Molecular Characteristics of Early-Onset Stage III Colon Adenocarcinoma: An Analysis of the ACCENT Database.
Zhao-Hui Jin, J. Dixon, J. Fiskum, Hiral D. Parekh +26 more
2021Journal of the National Cancer Institute39 citations Open access
Semantic Scholar
Risk scores as useful predictors of perioperative complications in patients with rectal cancer who received radical surgery
H. Miyakita, S. Sadahiro, G. Saito, K. Okada +2 more
2016International Journal of Clinical Oncology38 citations Open access
Semantic Scholar
Relation between Carcinoembryonic Antigen Levels in Colon Cancer Tissue and Serum Carcinoembryonic Antigen Levels at Initial Surgery and Recurrence
G. Saito, S. Sadahiro, K. Okada, A. Tanaka +2 more
2016Oncology29 citations Open access
Semantic Scholar
Preventive effects of a synthetic absorbable antiadhesive film (seprafilm) on small bowel obstruction in patients who underwent elective surgery for colon cancer: A randomized controlled trial
G. Saito, S. Sadahiro, T. Ogimi, H. Miyakita +3 more
2019Journal of Surgical Oncology28 citations
Semantic Scholar
Phase III randomised trial comparing 6 vs. 12-month of capecitabine as adjuvant chemotherapy for patients with stage III colon cancer: final results of the JFMC37-0801 study
N. Tomita, K. Kunieda, A. Maeda, C. Hamada +13 more
2019British Journal of Cancer25 citations Open access
Semantic Scholar
Usefulness of Preoperative Mechanical Bowel Preparation in Patients with Colon Cancer who Undergo Elective Surgery: A Prospective Randomized Trial Using Oral Antibiotics
Toshiyuki Suzuki, S. Sadahiro, A. Tanaka, K. Okada +3 more
2019Digestive Surgery23 citations
Semantic Scholar
Comparisons of Rigid Proctoscopy, Flexible Colonoscopy, and Digital Rectal Examination for Determining the Localization of Rectal Cancers
A. Tanaka, S. Sadahiro, Toshiyuki Suzuki, K. Okada +1 more
2018Diseases of the Colon & Rectum23 citations
Semantic Scholar
Clinical impact of tumor location on the colon cancer survival and recurrence: analyses of pooled data from three large phase III randomized clinical trials
T. Aoyama, K. Kashiwabara, K. Oba, M. Honda +8 more
2017Cancer Medicine23 citations Open access
Semantic Scholar
Retrospective study of regorafenib and trifluridine/tipiracil efficacy as a third-line or later chemotherapy regimen for refractory metastatic colorectal cancer
A. Tanaka, S. Sadahiro, Toshiyuki Suzuki, K. Okada +2 more
2018Oncology Letters20 citations Open access
Semantic Scholar
Mucinous components assessed by magnetic resonance imaging in primary rectal cancer tissue before and after chemoradiotherapy and tumor response
H. Miyakita, S. Sadahiro, T. Ogimi, G. Saito +6 more
2018International Journal of Colorectal Disease19 citations Open access
Semantic Scholar
The Number of Natural Killer Cells in the Largest Diameter Lymph Nodes Is Associated with the Number of Retrieved Lymph Nodes and Lymph Node Size, and Is an Independent Prognostic Factor in Patients with Stage II Colon Cancer
K. Okada, S. Sadahiro, Lin-Fung Chan, T. Ogimi +4 more
2018Oncology18 citations Open access
Semantic Scholar
Relations of Changes in Serum Carcinoembryonic Antigen Levels before and after Neoadjuvant Chemoradiotherapy and after Surgery to Histologic Response and Outcomes in Patients with Locally Advanced Rectal Cancer
G. Saito, S. Sadahiro, T. Ogimi, H. Miyakita +3 more
2017Oncology18 citations Open access
Semantic Scholar
Tumor-Infiltrating Lymphocytes in Biopsy Specimens Obtained 7 Days after Starting Chemoradiotherapy for Rectal Cancer Are Predictors of the Response to Chemoradiotherapy
H. Miyakita, S. Sadahiro, Toshiyuki Suzuki, Lin-Fung Chan +4 more
2020Oncology16 citations Open access
Semantic Scholar
Hazard rate of tumor recurrence over time in patients with colon cancer: implications for postoperative surveillance from three Japanese Foundation for Multidisciplinary Treatment of Cancer (JFMC) clinical trials
H. Maeda, K. Kashiwabara, T. Aoyama, K. Oba +8 more
2017Journal of Cancer16 citations Open access
Semantic Scholar
Prospective observational study of the efficacy of oral uracil and tegafur plus leucovorin for stage II colon cancer with risk factors for recurrence using propensity score matching (JFMC46-1201)
S. Sadahiro, Kazuhiro Sakamoto, T. Tsuchiya, Takao Takahashi +16 more
2022BMC Cancer15 citations Open access
Semantic Scholar
Single-center analysis of appendiceal neoplasms.
T. Tajima, Takuma Tajiri, M. Mukai, Tomoko Sugiyama +5 more
2018Oncology Letters15 citations Open access
Semantic Scholar
Clinical Signatures of Mucinous and Poorly Differentiated Subtypes of Colorectal Adenocarcinomas by a Propensity Score Analysis of an Independent Patient Database from Three Phase III Trials
M. Kanda, K. Oba, T. Aoyama, K. Kashiwabara +8 more
2018Diseases of the Colon & Rectum15 citations
Semantic Scholar
Outcomes of Local Excision plus Chemoradiotherapy in Patients with T1 Rectal Cancer
Toshiyuki Suzuki, S. Sadahiro, A. Tanaka, K. Okada +4 more
2018Oncology15 citations Open access
Semantic Scholar
Significance of the mucinous component in the histopathological classification of colon cancer
Y. Maeda, S. Sadahiro, Toshiyuki Suzuki, Y. Haruki +1 more
2015Surgery today (Print)15 citations Open access
Semantic Scholar
Distribution of Neuroendocrine Marker-Positive Cells in Colorectal Cancer Tissue and Normal Mucosal Tissue: Consideration of Histogenesis of Neuroendocrine Cancer
T. Ogimi, S. Sadahiro, Yutaro Kamei, Lin-Fung Chan +5 more
2019Oncology14 citations Open access
Semantic Scholar
Comparison of hand-assisted laparoscopic surgery (HALS) and conventional laparotomy in patients with colorectal cancer: Final results from a single center.
T. Tajima, M. Mukai, Daiki Yokoyama, S. Higami +6 more
2017Oncology Letters12 citations Open access
Semantic Scholar
Preplanned safety analysis of the JFMC37-0801 trial: a randomized phase III study of six months versus twelve months of capecitabine as adjuvant chemotherapy for stage III colon cancer
T. Suto, M. Ishiguro, C. Hamada, K. Kunieda +16 more
2017International Journal of Clinical Oncology11 citations Open access
Semantic Scholar
Huaier Regulates Cell Fate by the Rescue of Disrupted Transcription Control in the Hippo Signaling Pathway
Tomoo Tanaka, Takayoshi Suzuki, Jun Nakamura, Y. Kawamura +9 more
201711 citations Open access
Semantic Scholar
Treatment Rationale and Study Design for Clinical Trial on the Efficacy of UFT/LV for Stage II Colorectal Cancer With Risk Factors for Recurrence (JFMC46-1201).
S. Sadahiro, S. Morita, K. Sasaki, K. Sakamoto +16 more
2015Clinical colorectal cancer11 citations Open access
Semantic Scholar
A comparison of the localization of rectal carcinomas according to the general rules of the Japanese classification of colorectal carcinoma (JCCRC) and Western guidelines
A. Tanaka, S. Sadahiro, Toshiyuki Suzuki, K. Okada +1 more
2017Surgery today (Print)10 citations
Semantic Scholar
Tattooing improves the detection of small lymph nodes and increases the number of retrieved lymph nodes in patients with rectal cancer who receive preoperative chemoradiotherapy: A randomized controlled clinical trial.
K. Okada, S. Sadahiro, T. Ogimi, H. Miyakita +3 more
2017American Journal of Surgery9 citations Open access
Semantic Scholar
Comparison of hand-assisted laparoscopic surgery and conventional laparotomy for rectal cancer: Interim results from a single center.
T. Tajima, M. Mukai, Wataru Noguchi, S. Higami +7 more
2015Molecular and clinical oncology9 citations Open access
Semantic Scholar
Relationship between mental disorders, psychotropic drugs, and constipation in psychiatric outpatients
Kuni Akasaka, Fumio Akasaka, Tadashi Akasaka, K. Okada +1 more
2022Medicine8 citations Open access
Semantic Scholar
Tissue-Infiltrating Lymphocytes as a Predictive Factor for Recurrence in Patients with Curatively Resected Colon Cancer: A Propensity Score Matching Analysis
Lin-Fung Chan, S. Sadahiro, Toshiyuki Suzuki, K. Okada +3 more
2020Oncology8 citations Open access
Semantic Scholar
Oral S-1 with 24-h Infusion of Irinotecan plus Bevacizumab versus FOLFIRI plus Bevacizumab as First-Line Chemotherapy for Metastatic Colorectal Cancer: An Open-Label Randomized Phase II Trial
S. Sadahiro, Toshiyuki Suzuki, K. Okada, G. Saito +4 more
2020Oncology8 citations Open access
Semantic Scholar
Development and validation of a prognostic nomogram for colorectal cancer after radical resection based on individual patient data from three large-scale phase III trials
M. Honda, K. Oba, T. Akiyoshi, H. Maeda +11 more
2017OncoTarget8 citations Open access
Semantic Scholar
Characterizations of the α1-adrenoceptor subtypes mediating contractions of the human internal anal sphincter.
H. Owaki, S. Sadahiro, M. Takaki
2015Journal of Pharmacological Sciences8 citations Open access
Semantic Scholar
Repeated Hepatectomy for Recurrent Intrahepatic Cholangiolocellular Carcinoma: Report of a Case.
Mifuji Tomioku, N. Yazawa, D. Furukawa, H. Izumi +6 more
2016The Tokai Journal of Experimental and Clinical Medicine7 citations
Semantic Scholar
Increase in Gene Expression of TYMP, DPYD and HIF1A Are Associated with Response to Preoperative Chemoradiotherapy Including S-1 or UFT for Rectal Cancer.
S. Sadahiro, Toshiyuki Suzuki, A. Tanaka, K. Okada +3 more
2016Anticancer Research7 citations
Semantic Scholar
Prediction of Recurrence in Patients with Stage III Colon Cancer Using Conventional Clinicopathological Factors and Peripheral Blood Test Data: A New Analysis with Artificial Intelligence
Yutaro Kamei, T. Takayama, Toshiyuki Suzuki, K. Furihata +2 more
2021Oncology6 citations
Semantic Scholar
Discovery of Inhibitors of Membrane Traffic from a Panel of Clinically Effective Anticancer Drugs.
Hiroko Kamata, S. Sadahiro, T. Yamori
2019Biological and Pharmaceutical Bulletin6 citations Open access
Semantic Scholar
Gene expression levels of gamma-glutamyl hydrolase in tumor tissues may be a useful biomarker for the proper use of S-1 and tegafur-uracil/leucovorin in preoperative chemoradiotherapy for patients with rectal cancer
S. Sadahiro, Toshiyuki Suzuki, A. Tanaka, K. Okada +4 more
2017Cancer Chemotherapy and Pharmacology6 citations Open access
Semantic Scholar
A Modified Classification of Prognostic Factors Based on Pathological Stage and Tumor Regression Grade in Patients with Rectal Cancer Who Receive Preoperative Chemoradiotherapy
Toshiyuki Suzuki, S. Sadahiro, A. Tanaka, K. Okada +4 more
2017Oncology6 citations Open access
Semantic Scholar
Early rectal cancer accompanied by multiple systemic abscesses: A case report.
T. Tajima, M. Mukai, Sayuri Hasegawa, Souichirou Yamamoto +5 more
2015Oncology Letters6 citations Open access
Semantic Scholar
Expandable Metallic Stent for Endobronchial Metastasis from Colorectal Cancer: Reports of 2 Cases.
Tomoki Nakamura, T. Tajima, T. Ogimi, H. Miyakita +7 more
2017The Tokai Journal of Experimental and Clinical Medicine5 citations
Semantic Scholar
Ileal Intussusception Due to Metastasis from Squamous Cell Carcinoma of the Lung Resected 12 Years Previously.
Tomoki Nakamura, O. Chino, T. Tajima, Yoichi Tanaka +4 more
2015The Tokai Journal of Experimental and Clinical Medicine5 citations
Semantic Scholar
Predictors and histological effects of preoperative chemoradiotherapy for rectal cancer and control of lateral lymph node metastasis
H. Miyakita, Lin-Fung Chan, K. Okada, H. Kayano +3 more
2022BMC Gastroenterology4 citations Open access
Semantic Scholar
A prospective clinical study assessing the presence of exfoliated cancer cells and rectal washout including tumors in patients who receive neoadjuvant chemoradiotherapy for rectal cancer
K. Okada, S. Sadahiro, Yutaro Kamei, Lin-Fung Chan +5 more
2019Surgery today (Print)4 citations
Semantic Scholar
Comparison of clinic pathological characters and survival between right- and left-side colon cancer
T. Aoyama, K. Oba, C. Hamada, S. Sadahiro +8 more
20164 citations Open access
Semantic Scholar
Clinical T2N0 Rectal Cancer Treated with Neoadjuvant Chemoradiotherapy plus Local Excision
Toshiyuki Suzuki, S. Sadahiro, K. Okada, H. Miyakita +4 more
2022Oncology3 citations Open access
Semantic Scholar

Frequent co-authors

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Toshiyuki Suzuki×24
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Toshiyuki Suzuki — researcher profile on SciRah
K. Okada×23
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K. Okada — researcher profile on SciRah
G. Saito×19
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G. Saito — researcher profile on SciRah
H. Miyakita×19
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H. Miyakita — researcher profile on SciRah

×17

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A. Tanaka — researcher profile on SciRah

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T. Ogimi — researcher profile on SciRah

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C. Hamada — researcher profile on SciRah

J. Sakamoto×10

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J. Sakamoto — researcher profile on SciRah

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S. Saji — researcher profile on SciRah

Lin-Fung Chan×8

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Lin-Fung Chan — researcher profile on SciRah

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T. Aoyama — researcher profile on SciRah

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K. Oba — researcher profile on SciRah