Hajime Hirata

Hokkaido University of Science — Japan

Biochemistry, Genetics and Molecular Biology · Life Sciences

46h-index7.8kcitations200works0.52yr avg
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Research Topics

ATP Synthase and ATPases Research(29), Lipid Membrane Structure and Behavior(19), Photoreceptor and optogenetics research(18), Pancreatic and Hepatic Oncology Research(16), Mitochondrial Function and Pathology(13)

Publications200 total

Risk factors for recurrent biliary obstruction following endoscopic biliary stenting in patients with unresectable ampullary cancer: A multicenter retrospective study
Journal of Digestive Diseases·2024· 1 cited
Organizing Committee Page
2024Open Access
Metabolomics of Duodenal Juice for Biliary Tract Cancer Diagnosis
Cancers·2023· 6 citedOpen Access
One year safety and immunogenicity of AZD1222 (ChAdOx1 nCoV-19): Final analysis of a randomized, placebo-controlled phase 1/2 trial in Japan
Vaccine·2023· 7 citedOpen Access
Significance of Shear Wave Dispersion Slope Values Before Versus After Biliary Drainage in Patients With Obstructive Jaundice
Ultrasound Quarterly·2023· 1 cited
Gastrointestinal: A case of pancreatic gastrointestinal stromal tumor diagnosed by endoscopic ultrasound fine needle biopsy
Journal of Gastroenterology and Hepatology·2023· 1 citedOpen Access
Clinical significance of dispersion imaging by shear wave elastography in the treatment and diagnosis of pancreatic cancer
Journal of Gastroenterology and Hepatology·2023· 2 cited
Two-step pancreatic duct stenting with endoscopic ultrasonography and balloon-assisted enteroscopy for pancreaticojejunal anastomotic stricture
Endoscopy·2022· 2 citedOpen Access
Genetic Analyses of Cell-Free DNA in Pancreatic Juice or Bile for Diagnosing Pancreatic Duct and Biliary Tract Strictures
Diagnostics·2022· 9 citedOpen Access
Gastrointestinal: Repeated acute pancreatitis and peripancreatic fluid collection caused by pancreatic intraepithelial lesion
Journal of Gastroenterology and Hepatology·2022
Analysis of the Pancreatic Cancer Microbiome Using Endoscopic Ultrasound–Guided Fine-Needle Aspiration–Derived Samples
Pancreas·2022· 9 citedOpen Access
Immunogenicity and safety of AZD1222 (ChAdOx1 nCoV-19) against SARS-CoV-2 in Japan: a double-blind, randomized controlled phase 1/2 trial
International Journal of Infectious Diseases·2021· 30 citedOpen Access
Immunoglobulin G4-related cholecystitis mimicking gallbladder cancer diagnosed by EUS-guided biopsy
Endoscopic Ultrasound·2021· 5 citedOpen Access
MO31-3 Intratumor microbiome analysis of pancreatic cancer by analyzing the fresh frozen tissues obtained by EUS-FNA
Annals of Oncology·2021Open Access
Sharp recanalization and rendezvous technique for biliary occlusions due to spacious bile leak after hepatectomy
Journal of Hepato-Biliary-Pancreatic Sciences·2021· 3 cited
Endoscopic ultrasonography-guided pancreaticoduodenostomy with a lumen-apposing metal stent to treat main pancreatic duct dilatation
Endoscopy·2021· 2 citedOpen Access
Efficacy of a novel ultra-sharp dilation device for dilating bare metal stent mesh in patients with hilar malignant biliary obstruction
Scandinavian Journal of Gastroenterology·2021
Evaluating the intratumor microbiome of pancreatic ductal adenocarcinoma (PDAC) by analyzing the fresh frozen tissues obtained by endoscopic ultrasound-guided fine needle aspiration (EUS-FNA).
Journal of Clinical Oncology·2021
Near‐infrared photoimmunotherapy (NIR‐PIT) on cholangiocarcinoma using a novel catheter device with light emitting diodes
Cancer Science·2020· 25 citedOpen Access
A case with eosinophilic cholangitis which presented the unique cholangioscopic findings
Journal of Hepato-Biliary-Pancreatic Sciences·2020· 3 cited
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Frequent Co-authors

Nobuhito Sone(16), Hideaki Kamata(14), Hitoshi Yagisawa(10), Yasuo Kagawa(10), Minoru Yoshida(8), Masasuke Yoshida(8), Y Kagawa(7), Shinichi Oka(4), Keiko Kamata(4), Karlheinz Altendorf(4), Franklin M. Harold(4), Harumasa Okamoto(4), Chizuko Yamamoto(3), Hiroto Takemoto(3), Daigo Yamamoto(3), Chihiro Tanaka(3), Makoto Fujii(3), Toshiro Hamamoto(2), Yumiko Kagawa(2), Airo Tsubura(2)