Hiroshi Ohyama

Chuo, 2608670, Japan

Last Updated: 09/26/2026

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Found 78 publications

NALIRIFOX in Japanese treatment-naïve patients with metastatic pancreatic adenocarcinoma: results from an open-label, phase II study.

NALIRIFOX in Japanese treatment-naïve patients with metastatic pancreatic adenocarcinoma: results from an open-label, phase II study.

Journal: ESMO gastrointestinal oncology

Published: August 12, 2026

A real-world study on the prognosis of patients with pancreatic cancer: A prospective stationary survey from 2007-2020.

A real-world study on the prognosis of patients with pancreatic cancer: A prospective stationary survey from 2007-2020.

Journal: Internal medicine (Tokyo, Japan)

Published: April 01, 2026

Prognostic Impact of Unplanned Hospitalization During First-Line Gemcitabine Plus Nab-Paclitaxel Therapy for Unresectable Pancreatic Cancer: A Single-Center Retrospective Observational Study.

Prognostic Impact of Unplanned Hospitalization During First-Line Gemcitabine Plus Nab-Paclitaxel Therapy for Unresectable Pancreatic Cancer: A Single-Center Retrospective Observational Study.

Journal: Cancers

Published: November 19, 2025

A case in which all stones, including gallbladder stones as well as stacked bile duct stones, were removed using a transpapillary procedure.

A case in which all stones, including gallbladder stones as well as stacked bile duct stones, were removed using a transpapillary procedure.

Journal: Endoscopy

Published: October 21, 2025

Touch imprint cytology for rapid on-site evaluation in endoscopic ultrasound-guided tissue acquisition of pancreatic tumors: diagnostic performance and practical value-a single-center retrospective observational study from Japan.

Touch imprint cytology for rapid on-site evaluation in endoscopic ultrasound-guided tissue acquisition of pancreatic tumors: diagnostic performance and practical value-a single-center retrospective observational study from Japan.

Journal: Clinical endoscopy

Published: August 01, 2025

Immediate or On-Demand Endoscopic Necrosectomy for Necrotizing Pancreatitis: A Randomized Controlled Trial (WONDER-01).

Immediate or On-Demand Endoscopic Necrosectomy for Necrotizing Pancreatitis: A Randomized Controlled Trial (WONDER-01).

Journal: Gastroenterology

Published: May 04, 2025

Endoscopic Papillectomy for Ampullary Adenoma Adjacent to a Cystic Lesion.

Endoscopic Papillectomy for Ampullary Adenoma Adjacent to a Cystic Lesion.

Journal: Cureus

Published: March 27, 2025

Prognostic significance of clinical scoring systems for large-duct primary sclerosing cholangitis in Japanese patients.

Prognostic significance of clinical scoring systems for large-duct primary sclerosing cholangitis in Japanese patients.

Journal: Journal of hepato-biliary-pancreatic sciences

Published: February 27, 2025

Anamorelin as a Therapeutic Option for Cancer Cachexia in Advanced Pancreatic Cancer: A Case Report Demonstrating Significant Weight Gain and Quality of Life Improvement.

Anamorelin as a Therapeutic Option for Cancer Cachexia in Advanced Pancreatic Cancer: A Case Report Demonstrating Significant Weight Gain and Quality of Life Improvement.

Journal: Internal medicine (Tokyo, Japan)

Published: February 09, 2025

Efficacy of elobixibat for elderly patients with chronic constipation in a clinic.

Efficacy of elobixibat for elderly patients with chronic constipation in a clinic.

Journal: World journal of gastrointestinal pharmacology and therapeutics

Published: February 07, 2025

Risk of Pseudogallstones and Biliary Complications in Rehabilitation Patients Administered Ceftriaxone: A Retrospective Study.

Risk of Pseudogallstones and Biliary Complications in Rehabilitation Patients Administered Ceftriaxone: A Retrospective Study.

Journal: JGH open : an open access journal of gastroenterology and hepatology

Published: January 31, 2025

Correction: Efficacy of liposomal irinotecan + 5-FU/LV vs. S-1 in gemcitabine-refractory metastatic pancreatic cancer: a real-world study using inverse probability of treatment weighting.

Correction: Efficacy of liposomal irinotecan + 5-FU/LV vs. S-1 in gemcitabine-refractory metastatic pancreatic cancer: a real-world study using inverse probability of treatment weighting.

Journal: Journal of gastroenterology

Published: January 29, 2025

Showing 1-12 of 78

Last Updated: 09/26/2026