Pancreatic Cancer Research

ResearcherChiba UniversityActive in the last 2 years

Hiroshi Ohyama

ORCID-verified (high confidence, 0.95), identity_conf@1As of 8 November 2026

Matched on ORCID iD 0000-0003-0614-581X; OpenAlex author ID A5014441525. Sources: OpenAlex.

Their work

Papers
13 (first author 2, last author 0)
Trials
0
Grants
0
Labs led
0
Collaborators
47
Papers, trials and grants by year

2018: 1 paper · 2019: none · 2020: 1 paper · 2021: 1 paper · 2022: 2 papers · 2023: none · 2024: 1 paper · 2025: 4 papers · 2026: 3 papers

Papers 13

  1. NALIRIFOX in Japanese treatment-naïve patients with metastatic pancreatic adenocarcinoma: results from an open-label, phase II study. Co-author DOI 10.1016/j.esmogo.2026.100365↗
  2. A Real-world Study on the Prognosis of Patients with Pancreatic Cancer: A Prospective Stationary Survey from 2007-2020. First author DOI 10.2169/internalmedicine.6719-25↗
  3. Prognostic Impact of Unplanned Hospitalization During First-Line Gemcitabine Plus Nab-Paclitaxel Therapy for Unresectable Pancreatic Cancer: A Single-Center Re… Co-author DOI 10.3390/cancers18020194↗
  4. Efficacy of liposomal irinotecan + 5-FU/LV vs. S-1 in gemcitabine-refractory metastatic pancreatic cancer: a real-world study using inverse probability of trea… Co-author DOI 10.1007/s00535-024-02186-9↗
  5. Correction: Efficacy of liposomal irinotecan + 5-FU/LV vs. S-1 in gemcitabine-refractory metastatic pancreatic cancer: a real-world study using inverse probabi… Co-author DOI 10.1007/s00535-025-02215-1↗
  6. Anamorelin as a Therapeutic Option for Cancer Cachexia in Advanced Pancreatic Cancer: A Case Report Demonstrating Significant Weight Gain and Quality of Life I… Co-author DOI 10.2169/internalmedicine.4708-24↗
  7. Factors Affecting Patency of Uncovered Duodenal Stents in Malignant Duodenal Stenosis Due to Pancreatic Cancer: A Retrospective Cohort Study. First author DOI 10.7759/cureus.77245↗
  8. Liquid biopsy of wash samples obtained via endoscopic ultrasound-guided fine-needle biopsy: Comparison with liquid biopsy of plasma in pancreatic cancer. Co-author DOI 10.1002/dc.25306↗
  9. Detection of actionable mutations in cytological specimens obtained by endoscopic ultrasound-guided fine needle aspiration with rapid onsite evaluation in panc… Co-author DOI 10.1016/j.anndiagpath.2022.152008↗
  10. Genomic profiling amplifies the utility of endoscopic ultrasound-guided fine needle biopsy by identifying clinically applicable druggable mutations in pancreat… Co-author DOI 10.1016/j.anndiagpath.2022.152016↗
  11. Analysis of circulating cell-free DNA after endoscopic ultrasound-guided fine needle aspiration in pancreatic ductal adenocarcinoma. Co-author DOI 10.1016/j.pan.2021.04.001↗
  12. Endoscopic Ultrasound Criteria for Arterial Invasion in Pancreatic Cancer of the Body and Tail. Co-author DOI 10.1097/mpa.0000000000001523↗
  13. Five Cases of Interstitial Pneumonitis Due to Gemcitabine and Nab-Paclitaxel Combination Treatment in Pancreatic Cancer Patients. Co-author DOI 10.1097/mpa.0000000000001088↗

Closest collaborators

The 25 strongest of 47 by collab_strength@1: shared papers, trials and grants, recent and small-team work weighing most.

  1. Naoya Kato · 6 shared papers, 2018–2025 · strength 0.86
  2. Rintaro Mikata · 6 shared papers, 2018–2024 · strength 0.74
  3. Masao Omata · 4 shared papers, 2022–2026 · strength 0.70
  4. Jun Kato · 3 shared papers, 2021–2026 · strength 0.56
  5. Takeshi Terashima · 3 shared papers, 2025–2026 · strength 0.56
  6. Hiroaki Nagano · 3 shared papers, 2025–2026 · strength 0.56
  7. Chigusa Morizane · 3 shared papers, 2025–2026 · strength 0.56
  8. Motoyasu Kan · 3 shared papers, 2021–2026 · strength 0.54
  9. Naoya Kato · 2 shared papers, 2020–2025 · strength 0.46
  10. Akinori Abe · 2 shared papers, 2026 · strength 0.46
  11. Kazuki Watabe · 2 shared papers, 2025–2026 · strength 0.44
  12. Masayuki Ohtsuka · 3 shared papers, 2020–2026 · strength 0.43
  13. Koji Takahashi · 1 shared paper, 2025 · strength 0.37
  14. Shigetsugu Takano · 2 shared papers, 2021–2026 · strength 0.33
  15. Akinori Asagi · 2 shared papers, 2025 · strength 0.32
  16. Yohei Kitano · 2 shared papers, 2025 · strength 0.32
  17. Nana Kimura · 2 shared papers, 2025 · strength 0.32
  18. Kunihiro Tsuji · 2 shared papers, 2025 · strength 0.32
  19. Kumiko Umemoto · 2 shared papers, 2025 · strength 0.32
  20. Masayuki Ueno · 2 shared papers, 2025 · strength 0.32
  21. Satoshi Kobayashi · 2 shared papers, 2025 · strength 0.32
  22. Rei Suzuki · 2 shared papers, 2025 · strength 0.32
  23. Masafumi Ikeda · 2 shared papers, 2025 · strength 0.32
  24. Naohiro Okano · 2 shared papers, 2025 · strength 0.32
  25. Toshifumi Doi · 2 shared papers, 2025 · strength 0.32

How to reach this person

A chain of introductions through people who have published, run trials or held grants together (warm_path@1: fewest links first, then the strongest). Built from public records only; no contact details are kept.