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W. Koizumi · SciRah

Researcher profile · Semantic Scholar

W. Koizumi

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W. Koizumi — researcher profile on SciRah

h-index: 45
Works: 437
Citations: 11K

Most-cited papers

Skeletal Muscle Mass Influences Tolerability and Prognosis in Hepatocellular Carcinoma Patients Treated with Lenvatinib
H. Uojima, M. Chuma, Yoshiaki Tanaka, H. Hidaka +10 more
2019Liver Cancer96 citations Open access
Semantic Scholar
Current status of endoscopic retrograde cholangiopancreatography in patients with surgically altered anatomy
Chonlada Krutsri, M. Kida, Hiroshi Yamauchi, T. Iwai +2 more
2019World Journal of Gastroenterology90 citations Open access
Semantic Scholar
Peritoneal metastasis as a predictive factor for nab-paclitaxel in patients with pretreated advanced gastric cancer: an exploratory analysis of the phase III ABSOLUTE trial
A. Takashima, K. Shitara, K. Fujitani, K. Koeda +22 more
2018Gastric Cancer45 citations Open access
Semantic Scholar
Transpapillary Biliary Cannulation is Difficult in Cases with Large Oral Protrusion of the Duodenal Papilla
Masafumi Watanabe, Kosuke Okuwaki, M. Kida, H. Imaizumi +9 more
2019Digestive Diseases and Sciences43 citations
Semantic Scholar
Predisposing factors for chemotherapy-induced nephrotoxicity in patients with advanced esophageal cancer who received combination chemotherapy with docetaxel, cisplatin, and 5-fluorouracil
J. Mohri, C. Katada, M. Ueda, Mitsuhiro Sugawara +6 more
2018Journal of Translational Internal Medicine33 citations Open access
Semantic Scholar
On-site stereomicroscope quality evaluations to estimate white core cutoff lengths using EUS-FNA biopsy with 22-gauge needles.
H. Masutani, Kosuke Okuwaki, M. Kida, Tsutomu Yoshida +7 more
2019Gastrointestinal Endoscopy32 citations
Semantic Scholar
Retrospective Assessment of the Diagnostic Accuracy of the Depth of Invasion by Narrow Band Imaging Magnifying Endoscopy in Patients with Superficial Esophageal Squamous Cell Carcinoma
C. Katada, S. Tanabe, Takuya Wada, K. Ishido +8 more
2019Journal of Gastrointestinal Cancer32 citations
Semantic Scholar
Portal hemodynamic effects of lenvatinib in patients with advanced hepatocellular carcinoma: A prospective cohort study
H. Hidaka, H. Uojima, T. Nakazawa, Xue-qing Shao +9 more
2020Hepatology Research31 citations
Semantic Scholar
A clinical trial to assess the feasibility and efficacy of nab-paclitaxel plus gemcitabine for elderly patients with unresectable advanced pancreatic cancer
Rikiya Hasegawa, Kosuke Okuwaki, M. Kida, Hiroshi Yamauchi +11 more
2019International Journal of Clinical Oncology28 citations
Semantic Scholar
Complications of Long-Term Indwelling Transmural Double Pigtail Stent Placement for Symptomatic Peripancreatic Fluid Collections
Hiroshi Yamauchi, T. Iwai, M. Kida, Kosuke Okuwaki +6 more
2019Digestive Diseases and Sciences26 citations
Semantic Scholar
Diagnostic efficacy of white core cutoff lengths obtained by EUS-guided fine-needle biopsy using a novel 22G franseen biopsy needle and sample isolation processing by stereomicroscopy for subepithelial lesions
Kosuke Okuwaki, H. Masutani, M. Kida, Hiroshi Yamauchi +11 more
2020Endoscopic Ultrasound23 citations Open access
Semantic Scholar
Relationship between response to lusutrombopag and splenic volume
H. Uojima, Yoshitaka Arase, N. Itokawa, M. Atsukawa +10 more
2018World Journal of Gastroenterology23 citations Open access
Semantic Scholar
Expression of KK-LC-1, a cancer/testis antigen, at non-tumour sites of the stomach carrying a tumour
Takashi Fukuyama, N. Futawatari, Rui Yamamura, Taiga Yamazaki +10 more
2018Scientific Reports23 citations Open access
Semantic Scholar
EUS-guided transanastomotic drainage for severe biliopancreatic anastomotic stricture using a forward-viewing echoendoscope in patients with surgically altered anatomy
T. Iwai, M. Kida, Hiroshi Yamauchi, Kosuke Okuwaki +6 more
2021Endoscopic Ultrasound22 citations Open access
Semantic Scholar
RAMP1 in Kupffer cells is a critical regulator in immune-mediated hepatitis
Tomoyoshi Inoue, Yoshiya Ito, Nobuyuki Nishizawa, K. Eshima +7 more
2018bioRxiv22 citations Open access
Semantic Scholar
Prospective study for an independent predictor of prognosis in liver cirrhosis based on the new sarcopenia criteria produced by the Japan Society of Hepatology
Nahoko Kikuchi, H. Uojima, H. Hidaka, S. Iwasaki +8 more
2021Hepatology Research18 citations
Semantic Scholar
Cholecystitis after Placement of Covered Self-Expandable Metallic Stents in Patients with Distal Malignant Biliary Obstructions
Masafumi Watanabe, Kosuke Okuwaki, Jun Woo, M. Kida +9 more
2020Clinical Endoscopy16 citations Open access
Semantic Scholar
Sex differences in the safety of S‐1 plus oxaliplatin and S‐1 plus cisplatin for patients with metastatic gastric cancer
Yasuhide Yamada, W. Koizumi, K. Nishikawa, M. Gotoh +16 more
2019Cancer Science16 citations Open access
Semantic Scholar
Stent-induced symptomatic pancreatic duct stricture after endoscopic prophylactic pancreatic duct stent placement for the normal pancreas.
Kai Adachi, Hiroshi Yamauchi, M. Kida, Kosuke Okuwaki +6 more
2019Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]16 citations
Semantic Scholar
A case of immune checkpoint inhibitor-associated myocarditis after initiation of atezolizumab plus bevacizumab therapy for advanced hepatocellular carcinoma
S. Iwasaki, H. Hidaka, H. Uojima, Miho Hashimura +7 more
2021Clinical Journal of Gastroenterology15 citations
Semantic Scholar
Pancreatic Schwannoma Diagnosed by Endoscopic Ultrasound-guided Fine-needle Aspiration
Taro Hanaoka, Kosuke Okuwaki, H. Imaizumi, Yusuke Imawari +10 more
2020Internal medicine15 citations Open access
Semantic Scholar
Vascular endothelial growth factor receptor 1 tyrosine kinase signaling facilitates healing of DSS-induced colitis by accumulation of Tregs in ulcer area.
Tomohiro Betto, H. Amano, Yoshiya Ito, K. Eshima +9 more
2019Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie15 citations Open access
Semantic Scholar
Endoscopic Balloon Dilation for Benign Bilioenteric Stricture: Outcomes and Factors Affecting Recurrence
Hiroshi Yamauchi, M. Kida, Eiji Miyata, Kosuke Okuwaki +6 more
2019Digestive Diseases and Sciences15 citations
Semantic Scholar
Influence of cholangitis after preoperative endoscopic biliary drainage on postoperative pancreatic fistula in patients with middle and lower malignant biliary strictures
Toru Kaneko, H. Imaizumi, M. Kida, Eiji Miyata +4 more
2018Digestive Endoscopy15 citations
Semantic Scholar
Nafamostat Mesylate is Not Effective in Preventing Post-Endoscopic Retrograde Cholangiopancreatography Pancreatitis
Takaaki Matsumoto, Kosuke Okuwaki, H. Imaizumi, M. Kida +13 more
2021Digestive Diseases and Sciences14 citations
Semantic Scholar
Platelets prevent the development of monocrotaline-induced liver injury in mice.
Fumisato Otaka, Yoshiya Ito, Takuya Goto, K. Eshima +3 more
2020Toxicology Letters14 citations Open access
Semantic Scholar
Usefulness of autotaxin for the complications of liver cirrhosis
Xue-qing Shao, H. Uojima, Toru Setsu, T. Okubo +11 more
2020World Journal of Gastroenterology14 citations Open access
Semantic Scholar
Usefulness of narrow band imaging with magnifying endoscopy for the differential diagnosis of cancerous and noncancerous laryngeal lesions
H. Hosono, C. Katada, T. Okamoto, M. Ichinoe +7 more
2019Head and Neck14 citations
Semantic Scholar
A suspected case of Clostridium perfringens sepsis with intravascular hemolysis after transhepatic arterial chemoembolization: a case report
H. Uojima, M. Onoue, H. Hidaka, Naohisa Wada +6 more
2019Journal of Medical Case Reports14 citations Open access
Semantic Scholar
Effectiveness and safety of endoscopic aspiration mucosectomy and endoscopic submucosal dissection in patients with superficial esophageal squamous-cell carcinoma
Y. Furue, C. Katada, S. Tanabe, K. Ishido +11 more
2018Surgical Endoscopy14 citations
Semantic Scholar
A phase II study of chemoselection with docetaxel, cisplatin, and 5–fluorouracil as a strategy for organ preservation in patients with resectable esophageal cancer (CROC trial).
C. Katada, H. Hara, H. Fujii, T. Nakajima +15 more
202113 citations
Semantic Scholar
The Risk of Cirrhosis and Its Complications Based on PNPLA3 rs738409 G Allele Frequency
Xue-qing Shao, H. Uojima, T. Arai, Yuji Ogawa +14 more
2021Digestive Diseases13 citations Open access
Semantic Scholar
Comparison of the histopathological characteristics of large colorectal laterally spreading tumors according to growth pattern
Tomoya Saito, K. Kobayashi, M. Sada, Yasuhiro Matsumoto +6 more
2019Journal of the Anus Rectum and Colon13 citations Open access
Semantic Scholar
The role of thromboxane prostanoid receptor signaling in gastric ulcer healing
Sakiko Yamane, H. Amano, Yoshiya Ito, Tomohiro Betto +4 more
2021International journal of experimental pathology (Print)12 citations Open access
Semantic Scholar
Risk factors for loss of skeletal muscle mass in patients with cirrhosis
Hyun Sung Ji, H. Uojima, H. Hidaka, Yoshiaki Tanaka +8 more
2019Hepatology Research12 citations
Semantic Scholar
Thromboxane A2 receptor signaling in endothelial cells attenuates monocrotaline-induced liver injury.
Fumisato Otaka, Yoshiya Ito, Tomoyoshi Inoue, Hirotoki Ohkubo +7 more
2019Toxicology and Applied Pharmacology12 citations
Semantic Scholar
Recovery of Liver Sinusoidal Endothelial Cells Following Monocrotaline-induced Liver Injury
Fumisato Otaka, Yoshiya Ito, Takuya Goto, Ken Kojo +5 more
2021In Vivo11 citations Open access
Semantic Scholar
Prediction of lymph-node metastasis and lymphatic invasion of superficial pharyngeal cancer on narrow band imaging with magnifying endoscopy.
C. Katada, T. Okamoto, M. Ichinoe, Yasutoshi Sakamoto +6 more
2020Auris, nasus, larynx11 citations
Semantic Scholar
Effect of early tumor response on the health-related quality of life among patients on second-line chemotherapy for advanced gastric cancer in the ABSOLUTE trial
K. Fujitani, K. Shitara, A. Takashima, K. Koeda +22 more
2020Gastric Cancer11 citations Open access
Semantic Scholar
Randomized study of prevention of gastrointestinal toxicities by nutritional support using an amino acid-rich elemental diet during chemotherapy in patients with esophageal cancer (KDOG 1101)
C. Katada, Saeko Fukazawa, Mitsuhiro Sugawara, Yasutoshi Sakamoto +15 more
2020Esophagus11 citations
Semantic Scholar
A retrospective study of definitive chemoradiotherapy in patients with resectable small cell neuroendocrine carcinoma of the esophagus
C. Katada, Shouko Komori, Tsutomu Yoshida, S. Kawakami +10 more
2019Esophagus11 citations
Semantic Scholar
Impact of Anti-GPIIb/IIIa Antibody-Producing B Cells as a Predictor of the Response to Lusutrombopag in Thrombocytopenic Patients with Liver Disease
Naohisa Wada, H. Uojima, T. Satoh, S. Okina +14 more
2020Digestive Diseases10 citations Open access
Semantic Scholar
Failure Factors to Reach the Blind End Using a Short-Type Single-Balloon Enteroscope for ERCP with Roux-en-Y Reconstruction: A Multicenter Retrospective Study
Y. Kawaguchi, Hiroshi Yamauchi, M. Kida, Kosuke Okuwaki +6 more
2019Gastroenterology Research and Practice10 citations Open access
Semantic Scholar
A retrospective study of treatment for curative synchronous double primary cancers of the head and neck and the esophagus.
T. Okamoto, C. Katada, Shouko Komori, K. Yamashita +14 more
2018Auris, nasus, larynx10 citations
Semantic Scholar
Usefulness of endoscopic submucosal dissection for superficial esophageal squamous cell carcinoma in elderly patients: a single-center retrospective cohort study.
K. Ishido, S. Tanabe, C. Katada, Y. Kubota +4 more
2021Japanese Journal of Clinical Oncology9 citations
Semantic Scholar
Risk Factors for Perforation During Endoscopic Papillary Large Balloon Dilation and Bile Duct Stone Removal
Hiroshi Yamauchi, T. Iwai, Kosuke Okuwaki, Eiji Miyata +9 more
2021Digestive Diseases and Sciences9 citations Open access
Semantic Scholar
Neoadjuvant chemotherapy plus surgery for high-risk advanced gastric cancer: long-term results of KDOG1001 trial
K. Hosoda, C. Katada, K. Ishido, M. Niihara +20 more
2020Langenbeck's archives of surgery (Print)9 citations
Semantic Scholar
Usefulness of serum lipase for early diagnosis of post-endoscopic retrograde cholangiopancreatography pancreatitis
M. Tadehara, Kosuke Okuwaki, H. Imaizumi, M. Kida +8 more
2019World Journal of Gastrointestinal Endoscopy9 citations Open access
Semantic Scholar
Optimizing Organ Preservation Strategies through Chemotherapy-Based Selection in Esophageal Squamous Cell Carcinoma: Results from the CROC Multi-Institutional Phase II Clinical Trial.
C. Katada, T. Yokoyama, A. Watanabe, H. Hara +20 more
2024International Journal of Radiation Oncology, Biology, Physics8 citations
Semantic Scholar
Macrophages contribute to liver repair after monocrotaline-induced liver injury via SDF-1/CXCR4
Fumisato Otaka, Yoshiya Ito, Shuji Nakamoto, Nobuyuki Nishizawa +5 more
2021Experimental and Therapeutic Medicine8 citations Open access
Semantic Scholar

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M. Kida×16
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M. Kida — researcher profile on SciRah
Hiroshi Yamauchi×16
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Hiroshi Yamauchi — researcher profile on SciRah
T. Iwai×16
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T. Iwai — researcher profile on SciRah
H. Imaizumi×16
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Kosuke Okuwaki — researcher profile on SciRah

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C. Katada — researcher profile on SciRah

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Rikiya Hasegawa×10

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Masafumi Watanabe×9

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Masafumi Watanabe — researcher profile on SciRah

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Toru Kaneko — researcher profile on SciRah

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S. Tanabe — researcher profile on SciRah