Izumi Ohno

3.8k total citations · 1 hit paper
105 papers, 1.6k citations indexed

About

Izumi Ohno is a scholar working on Oncology, Surgery and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Izumi Ohno has authored 105 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in Oncology, 36 papers in Surgery and 33 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Izumi Ohno's work include Pancreatic and Hepatic Oncology Research (40 papers), Gallbladder and Bile Duct Disorders (23 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (15 papers). Izumi Ohno is often cited by papers focused on Pancreatic and Hepatic Oncology Research (40 papers), Gallbladder and Bile Duct Disorders (23 papers) and Cholangiocarcinoma and Gallbladder Cancer Studies (15 papers). Izumi Ohno collaborates with scholars based in Japan, United States and United Kingdom. Izumi Ohno's co-authors include Masafumi Ikeda, Shuichi Mitsunaga, Takuji Okusaka, Shunsuke Kondo, Satoshi Shimizu, Chigusa Morizane, Mouad Edderkaoui, Anna S. Gukovskaya, Stephen J. Pandol and Junji Furuse and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Gastroenterology.

In The Last Decade

Izumi Ohno

96 papers receiving 1.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Nivolumab alone or in combination with cisplatin plus gemcitabine in Japanese patients with unresectable or recurrent biliary tract cancer: a non-randomised, multicentre, open-label, phase 1 study

2019 247 citations Masafumi Ikeda, Chigusa Morizane et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Izumi Ohno Japan	18	779	466	396	277	243	105	1.6k
Tatsunori Miyata Japan	20	626 0.8×	488 1.0×	315 0.8×	280 1.0×	215 0.9×	91	1.5k
Elisa Lozano Spain	25	676 0.9×	555 1.2×	626 1.6×	157 0.6×	329 1.4×	47	1.6k
Wenqi Jiang China	19	759 1.0×	173 0.4×	403 1.0×	223 0.8×	168 0.7×	43	1.6k
Luigi Rossi Italy	20	342 0.4×	317 0.7×	400 1.0×	332 1.2×	219 0.9×	58	1.5k
Xiaojun Lin China	24	498 0.6×	460 1.0×	218 0.6×	257 0.9×	225 0.9×	72	1.6k
Kunihiko Izuishi Japan	30	575 0.7×	927 2.0×	653 1.6×	528 1.9×	368 1.5×	98	2.6k
Hirdesh Uppal United States	19	1.0k 1.3×	414 0.9×	572 1.4×	321 1.2×	373 1.5×	33	2.0k
Hua Xiao China	22	356 0.5×	364 0.8×	508 1.3×	309 1.1×	276 1.1×	91	1.3k
Kun‐Chun Chiang Taiwan	27	612 0.8×	522 1.1×	598 1.5×	390 1.4×	315 1.3×	101	2.0k
Hideharu Domoto Japan	10	582 0.7×	584 1.3×	556 1.4×	117 0.4×	153 0.6×	28	1.7k

Countries citing papers authored by Izumi Ohno

Since Specialization

Citations

This map shows the geographic impact of Izumi Ohno's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Izumi Ohno with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Izumi Ohno more than expected).

Fields of papers citing papers by Izumi Ohno

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Izumi Ohno. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Izumi Ohno. The network helps show where Izumi Ohno may publish in the future.

Co-authorship network of co-authors of Izumi Ohno

This figure shows the co-authorship network connecting the top 25 collaborators of Izumi Ohno. A scholar is included among the top collaborators of Izumi Ohno based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Izumi Ohno. Izumi Ohno is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Takahashi, Koji, Hiroshi Ohyama, Izumi Ohno, & Naoya Kato. (2025). Factors Affecting Patency of Uncovered Duodenal Stents in Malignant Duodenal Stenosis Due to Pancreatic Cancer: A Retrospective Cohort Study. Cureus. 17(1). e77245–e77245.

Saito, Kazuki, Masayuki Ota, Koji Takahashi, et al.. (2024). Salivary gland-type cancers: cross-organ demographics of a rare cancer. International Journal of Clinical Oncology. 29(6). 755–763. 2 indexed citations

Takahashi, Koji, Hiroshi Ohyama, Izumi Ohno, Yuichi Takiguchi, & Naoya Kato. (2024). Parathyroid Hormone-Related Peptide-Producing Gallbladder Cancer Presenting With Humoral Hypercalcemia of Malignancy: A Case Report. Cureus. 16(1). e52951–e52951. 1 indexed citations

Mikata, Rintaro, Shiroh Isono, Sadahisa Ogasawara, et al.. (2023). Phase II study comparing nasal pressure monitoring with capnography during invasive endoscopic procedures: a single-center, single-arm trial. Scientific Reports. 13(1). 1265–1265. 1 indexed citations

Takahashi, Koji, et al.. (2023). Feasibility of Biliary Drainage Using a Novel Integrated Biliary Stent and Nasobiliary Drainage Catheter System for Acute Cholangitis. Cureus. 1 indexed citations

Takahashi, Koji, et al.. (2023). Endoscopic Transpapillary Stenting for Malignant Hilar Biliary Stricture: Side-by-Side Placement versus Partial Stent-in-Stent Placement. Journal of Personalized Medicine. 13(5). 831–831. 1 indexed citations

Takahashi, Koji, Hiroshi Ohyama, Yuichi Takiguchi, et al.. (2023). Efficacy and Safety of Electrohydraulic Lithotripsy Using Peroral Cholangioscopy under Endoscopic Retrograde Cholangiopancreatography Guidance in Older Adults: A Single-Center Retrospective Study. Medicina. 59(4). 795–795. 4 indexed citations

Arai, Makoto, Mitsuhiro Abe, Izumi Ohno, et al.. (2023). Sequential administration of PD‑1 inhibitor and cetuximab causes pneumonia. Oncology Letters. 26(1). 288–288. 1 indexed citations

Yasui, Shin, Sadahisa Ogasawara, Masayuki Yokoyama, et al.. (2022). Liver cirrhosis is a risk factor for poor prognosis of acute cholangitis caused by choledocholithiasis. Annals of Hepatology. 27(3). 100696–100696. 1 indexed citations

10.

Takahashi, Koji, Hiroshi Ohyama, Yuko Kusakabe, et al.. (2022). Successful endoscopic treatment of huge infected biloma and hepatic abscess after endoscopic ultrasound-guided hepaticogastrostomy with brain abscess. Clinical Journal of Gastroenterology. 15(5). 988–993. 1 indexed citations

11.

Mikata, Rintaro, Tetsuhiro Chiba, Masayuki Yokoyama, et al.. (2021). Analysis of circulating cell-free DNA after endoscopic ultrasound-guided fine needle aspiration in pancreatic ductal adenocarcinoma. Pancreatology. 21(6). 1030–1037.

12.

Doi, Toshihiko, Yutaka Fujiwara, Kohei Shitara, et al.. (2020). The safety and tolerability of epacadostat alone and in combination with pembrolizumab in patients with advanced solid tumors: results from a first-in-Japanese phase I study (KEYNOTE-434). Investigational New Drugs. 39(1). 152–162. 10 indexed citations

13.

Hashimoto, Yusuke, Izumi Ohno, Hideaki Takahashi, et al.. (2018). EUS-guided n-butyl-2-cyanoacrylate injection therapy for ruptured isolated left gastric artery pseudoaneurysm. Endoscopic Ultrasound. 8(1). 58–58. 5 indexed citations

14.

Okuyama, Hiroyuki, Masafumi Ikeda, Hideaki Takahashi, et al.. (2017). Transarterial (Chemo)Embolization for Liver Metastases in Patients with Neuroendocrine Tumors. Oncology. 92(6). 353–359. 10 indexed citations

15.

Okuyama, Hiroyuki, Masafumi Ikeda, Akiko Kuwahara, et al.. (2014). Prognostic Factors in Patients with Hepatocellular Carcinoma Refractory or Intolerant to Sorafenib. Oncology. 88(4). 241–246. 12 indexed citations

16.

Suzuki, Shinya, Misaki Kobayashi, Hiroyuki Okuyama, et al.. (2013). Risk Factor of the Hand/foot Skin Reaction Induced by Sorafenib in Patients with Advanced Hepatocellular Carcinoma. Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences). 39(5). 322–326. 1 indexed citations

17.

Miura, Tomofumi, Shuichi Mitsunaga, Shinichi Shimizu, et al.. (2013). Characterization of Patient with High Serum Level of IL-6 in Advanced Pancreatic Cancer. Annals of Oncology. 24. ix33–ix33. 1 indexed citations

18.

Nakachi, Kohei, Izumi Ohno, Shino Shimizu, et al.. (2011). Clinical significance of elevation of the serum IL-6 level in patients with advanced pancreatic cancer.. Journal of Clinical Oncology. 29(4_suppl). 181–181. 1 indexed citations

19.

Edderkaoui, Mouad, Irina Odinokova, Izumi Ohno, et al.. (2008). Ellagic acid induces apoptosis through inhibition of nuclear factor kB in pancreatic cancer cells. World Journal of Gastroenterology. 14(23). 3672–3672. 118 indexed citations

20.

Ohno, Izumi, Anna S. Gukovskaya, Irina Odinokova, Raj K. Batra, & Stephen J. Pandol. (2007). Bcl-2 / Bcl-xL mediate ROS production in pancreatic cancer cells leading to the inhibition of apoptosis. Cancer Research. 67. 4581–4581. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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