Masako Omata

867 total citations · 1 hit paper
12 papers, 539 citations indexed

About

Masako Omata is a scholar working on Surgery, Nephrology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Masako Omata has authored 12 papers receiving a total of 539 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Surgery, 3 papers in Nephrology and 2 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Masako Omata's work include Colorectal Cancer Treatments and Studies (2 papers), Dialysis and Renal Disease Management (2 papers) and Pancreatic and Hepatic Oncology Research (2 papers). Masako Omata is often cited by papers focused on Colorectal Cancer Treatments and Studies (2 papers), Dialysis and Renal Disease Management (2 papers) and Pancreatic and Hepatic Oncology Research (2 papers). Masako Omata collaborates with scholars based in Japan, Pakistan and Italy. Masako Omata's co-authors include Fumihiko Okumura, Kenji Hirano, Kensuke Kubota, Tooru Shimosegawa, Tomohiko Nishino, Kyoko Kobayashi, Takamichi Ito, Hajime Takatori, Atsushi Kanno and Keisuke Yamakita and has published in prestigious journals such as Journal of Clinical Oncology, Gut and Journal of Hepatology.

In The Last Decade

Masako Omata

11 papers receiving 529 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.

Standard steroid treatment for autoimmune pancreatitis

2009 474 citations Tooru Shimosegawa, Kazuichi Okazaki et al. Gut profile →

Peers

Countries citing papers authored by Masako Omata

Since Specialization

Citations

This map shows the geographic impact of Masako Omata'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 Masako Omata with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Masako Omata more than expected).

Fields of papers citing papers by Masako Omata

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Masako Omata. 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 Masako Omata. The network helps show where Masako Omata may publish in the future.

Co-authorship network of co-authors of Masako Omata

This figure shows the co-authorship network connecting the top 25 collaborators of Masako Omata. A scholar is included among the top collaborators of Masako Omata 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 Masako Omata. Masako Omata is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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12 of 12 papers shown

#	Work	Indexed citations
1	The final analysis of a multicenter randomized controlled trial of gemcitabine (G) alone versus gemcitabine and S-1 combination therapy (GS) in patients with unresectable advanced pancreatic cancer (PC): GEMSAP study. 2011 ·Journal of Clinical Oncology ·Hiroyuki Isayama, Yousuke Nakai, Takashi Sasaki, Naoki Sasahira, Katsuya Hirano, Takuya Tsujino, Minoru Tada, Masako Omata, (unknown), (unknown)	2
2	A multicenter randomized controlled trial of gemcitabine (G) alone versus gemcitabine and S-1 combination therapy (GS) in patients with unresectable advanced pancreatic cancer (PC): GEMSAP study. 2010 ·Journal of Clinical Oncology ·Yousuke Nakai, Hiroyuki Isayama, Takashi Sasaki, Naoki Sasahira, Katsuya Hirano, Takuya Tsujino, Minoru Tada, Masako Omata, (unknown), (unknown)	6
3	Standard steroid treatment for autoimmune pancreatitis breakdown → 2009 ·Gut ·(unknown), Tooru Shimosegawa, Kazuichi Okazaki, Tomohiko Nishino, Hiroyuki Watanabe, Atsushi Kanno, Fumihiko Okumura, T. Níshikaẃa, Kyoko Kobayashi, Tamaki Ichiya, Hajime Takatori, Keisuke Yamakita, Kensuke Kubota, Hideaki Hamano, Keiya Okamura, Kenji Hirano, Takamichi Ito, (unknown), Masako Omata	474
4	Endoscopic transpapillary approach to the gallbladder for diagnosing gallbladder cancer. 2007 ·PubMed ·Saburo Matsubara, Toshihiko Arizumi, Osamu Togawa, Takahiro Sasaki, Natsuyo Yamamoto, Y. Nakai, Naoki Sasahira, Kenji Hirano, Takuya Tsujino, Hiroyuki Isayama, Nobuo Toda, Motohisa Tada, (unknown), Masako Omata	3
5	Alpha-2a (40KD) (PEGASYS®) plus ribavirin (COPEGUS®) in treatment naive japanese chronic hepatitis C patients: A randomised, double-blind, multicentre, phase iii trial 2006 ·Journal of Hepatology ·Toshitaka Sakai, S Iino, (unknown), Masako Omata, Kendo Kiyosawa, H Kumada, G Yamada, (unknown)	4
6	Mediastinal yolk sac tumor in a woman 1999 ·International Journal of Clinical Oncology ·Masako Omata, Mitsunori Hino, Yoshiharu Ohaki, (unknown), (unknown), Tomoyuki Furuta, Tatsuji Enomoto, Kyoichi Mizuno, Shoji Kudoh	2
7	Suppressive Effects of Vitamin E-Coated Dialysis Membrane on Hemodialysis-Induced Neutrophil Activation 1999 ·Contributions to nephrology ·Tsutomu Sanaka, Masako Omata, Hideki Nishimura, (unknown), Chieko Higuchi	4
8	Therapeutic Effect of a Newly Developed Antioxidative Agent (OPC-15161) on Experimental Immune Complex Nephritis 1997 ·Nephron ·Tsutomu Sanaka, (unknown), Hideki Nishimura, (unknown), Chieko Higuchi, Masako Omata, Hiroshi Nihei, Nobuhiro Sugino	9
9	Laparoscopic placement of the CAPD catheter. 1996 ·Nihon Toseki Igakkai Zasshi ·Ichiro Nakajima, (unknown), Shohei Fuchinoue, Tetsuzo Agishi, Kazuo Ota, Masako Omata, Tsutomu Sanaka, Hiroshi Nihei	0
10	Lipid peroxidation as an indicator of biocompatibility in haemodialysis 1995 ·Nephrology Dialysis Transplantation ·Tsutomu Sanaka, Carl M. Higuchi, (unknown), Hideki Nishimura, Masako Omata, Hiroshi Nihei, Nobuhiro Sugino	18
11	IgG⁺, CD5⁺Human Chronic Lymphocytic Leukemia B Cells. Production of IgG Antibodies That Exhibit Diminished Autoreactivity and IgG Subclass Skewing 1994 ·Autoimmunity ·Mariko Wakai, Shiori Hashimoto, Masako Omata, Zev Sthoeger, Steven L. Allen, Stuart M. Lichtman, Philip Schulman, Vincent Vinciguerra, Betty Diamond, Mariella Dono, Manlio Ferrarini, Nicholas Chiorazzi	16
12	[Role of reactive oxygen species (Ros) in model immune complex nephritis]. 1990 ·PubMed ·Masako Omata	1

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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