Tomotaka Ugai

3.9k total citations · 2 hit papers
69 papers, 1.4k citations indexed

About

Tomotaka Ugai is a scholar working on Oncology, Hematology and Molecular Biology. According to data from OpenAlex, Tomotaka Ugai has authored 69 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Oncology, 17 papers in Hematology and 13 papers in Molecular Biology. Recurrent topics in Tomotaka Ugai's work include Hematopoietic Stem Cell Transplantation (13 papers), Colorectal Cancer Screening and Detection (11 papers) and Neutropenia and Cancer Infections (9 papers). Tomotaka Ugai is often cited by papers focused on Hematopoietic Stem Cell Transplantation (13 papers), Colorectal Cancer Screening and Detection (11 papers) and Neutropenia and Cancer Infections (9 papers). Tomotaka Ugai collaborates with scholars based in Japan, United States and China. Tomotaka Ugai's co-authors include Shuji Ogino, Tsuyoshi Hamada, Marios Giannakis, Kana Wu, Naohiko Akimoto, Rong Zhong, Kenji Fujiyoshi, Kimmie Ng, Yin Cao and Mingyang Song and has published in prestigious journals such as JNCI Journal of the National Cancer Institute, Cancer Research and Gut.

In The Last Decade

Tomotaka Ugai

64 papers receiving 1.4k 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.

Rising incidence of early-onset colorectal cancer — a call to action

2020 419 citations Naohiko Akimoto, Tomotaka Ugai et al. Nature Reviews Clinical Oncology profile →
Is early-onset cancer an emerging global epidemic? Current evidence and future implications

2022 293 citations Tomotaka Ugai, Naoko Sasamoto et al. Nature Reviews Clinical Oncology profile →

Peers

Countries citing papers authored by Tomotaka Ugai

Since Specialization

Citations

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

Fields of papers citing papers by Tomotaka Ugai

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tomotaka Ugai

This figure shows the co-authorship network connecting the top 25 collaborators of Tomotaka Ugai. A scholar is included among the top collaborators of Tomotaka Ugai 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 Tomotaka Ugai. Tomotaka Ugai 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

#	Work	Indexed citations
1	Unique role of the prospective cohort incident-tumor biobank method in etiological research 2025 ·The Lancet Regional Health - Americas ·Shuji Ogino, Alpa V. Patel, (unknown), Marios Giannakis, Tomotaka Ugai	1
2	Density of T-cell Subsets in Colorectal Cancer in Relation to Disease-Specific Survival 2025 ·Cancer Epidemiology Biomarkers & Prevention ·Claire E. Thomas, Yasutoshi Takashima, Daniel D. Buchanan, Evertine Wesselink, Conghui Qu, Li Hsu, Andressa Dias Costa, Steven Gallinger, Robert C. Grant, Jeroen R. Huyghe, Sushma Thomas, (unknown), (unknown), (unknown), Tomotaka Ugai, Ulrike Peters, Shuji Ogino, Jonathan A. Nowak, Amanda I. Phipps	1
3	Global Incidence Trend of Early-Onset Obesity-Related and Non-Obesity-Related Cancers 2025 ·Current Oncology ·(unknown), (unknown), (unknown), Hwa‐Young Lee, (unknown), Etsuji Suzuki, Hiroki Mizuno, Minkyo Song, Naoko Sasamoto, Ichiro Kawachi, Tomotaka Ugai	0
4	Long-term yogurt intake and colorectal cancer incidence subclassified by Bifidobacterium abundance in tumor 2025 ·Gut Microbes ·(unknown), Li Liu, Keisuke Kosumi, (unknown), Tsuyoshi Hamada, Kosuke Mima, Kota Arima, Kazuo Okadome, Qian Yao, (unknown), (unknown), Hiroki Mizuno, Anthony T.�C. Chan, Wendy S. Garrett, Mingyang Song, Marios Giannakis, Edward L. Giovannucci, Xuehong Zhang, Shuji Ogino, Tomotaka Ugai	5
5	Diverging global incidence trends of early-onset cancers: comparisons with incidence trends of later-onset cancers and mortality trends of early-onset cancers 2025 ·Military Medical Research ·(unknown), (unknown), Shizuo SHIRAI, (unknown), Hwa‐Young Lee, Hideo Matsui, Hiroki Mizuno, (unknown), Minkyo Song, Naoko Sasamoto, Ichiro Kawachi, Edward Giovannucci, Tomotaka Ugai	0
6	The Cancer Spectrum Theory 2024 ·Cancer Discovery ·Hwa‐Young Lee, Minkyo Song, Konrad H. Stopsack, Cheng Peng, Amanda I. Phipps, Molin Wang, Shuji Ogino, Naoko Sasamoto, Tomotaka Ugai	5
7	Alcohol and colorectal cancer risk, subclassified by mutational signatures of DNA mismatch repair deficiency 2024 ·JNCI Journal of the National Cancer Institute ·Aiping Fang, Tomotaka Ugai, Carino Gurjao, Rong Zhong, Zhenhua Liu, Xinyuan Zhang, (unknown), Jonathan A. Nowak, Molin Wang, Marios Giannakis, Shuji Ogino, Xuehong Zhang, Edward L. Giovannucci	2
8	Discovery and Features of an Alkylating Signature in Colorectal Cancer 2021 ·Cancer Discovery ·Carino Gurjao, Rong Zhong, Koichiro Haruki, Yvonne Y. Li, Liam F. Spurr, Henry Lee-Six, Brendan Reardon, Tomotaka Ugai, Xuehong Zhang, Andrew D. Cherniack, Mingyang Song, Eliezer M. Van Allen, Jeffrey A. Meyerhardt, Jonathan A. Nowak, Edward L. Giovannucci, Charles S. Fuchs, Kana Wu, Shuji Ogino, Marios Giannakis	42
9	IDDF2021-ABS-0085 Association of healthy and unhealthy plant-based diets with the risk of colorectal cancer overall and by molecular subtypes 2021 ·Fenglei Wang, Tomotaka Ugai, Koichiro Haruki, Yi Wan, Andrew T. Chan, Stephanie A. Smith‐Warner, Xuehong Zhang, Edward L. Giovannucci, Walter C. Willett, Shuji Ogino	1
10	Rising incidence of early-onset colorectal cancer — a call to action breakdown → 2020 ·Nature Reviews Clinical Oncology ·Naohiko Akimoto, Tomotaka Ugai, Rong Zhong, Tsuyoshi Hamada, Kenji Fujiyoshi, Marios Giannakis, Kana Wu, Yin Cao, Kimmie Ng, Shuji Ogino	419
11	Prognostic implication of appendicular skeleton bone marrow abnormalities detected using low-dose multidetector computed tomography in patients with myelodysplastic syndrome 2018 ·Leukemia ·Yoshiaki Abe, Tomotaka Ugai, Manabu Fujisawa, Yuya Matsue, Kentaro Narita, Masami Takeuchi, Kosei Matsue	3
12	Negative impact of chronic graft-versus-host disease and glucocorticoid on the recovery of physical function after allogeneic hematopoietic stem cell transplantation 2018 ·Bone Marrow Transplantation ·J. Hayakawa, (unknown), Shun‐ichi Kimura, Ayumi Gomyo, Masaharu Tamaki, Yu Akahoshi, Naonori Harada, Tomotaka Ugai, Machiko Kusuda, Kazuaki Kameda, (unknown), Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Kiriko Terasako‐Saito, Misato Kikuchi, Hideki Nakasone, Shinichi Kako, Yoshinobu Kanda	17
13	Coffee and green tea consumption and subsequent risk of acute myeloid leukemia and myelodysplastic syndromes in Japan 2017 ·International Journal of Cancer ·Tomotaka Ugai, Keitaro Matsuo, Norie Sawada, (unknown), Taiki Yamaji, Taichi Shimazu, Atsushi Goto, Manami Inoue, Yoshinobu Kanda, Shoichiro Tsugane	14
14	Smoking and subsequent risk of acute myeloid leukaemia: A pooled analysis of 9 cohort studies in Japan 2017 ·Hematological Oncology ·Tomotaka Ugai, Keitaro Matsuo, Isao Oze, Hidemi Ito, Kenji Wakai, Keiko Wada, Chisato Nagata, Tomio Nakayama, Rong Liu, Yuri Kitamura, Akiko Tamakoshi, Ichiro Tsuji, Yumi Sugawara, Norie Sawada, Atsuko Sadakane, Keitaro Tanaka, Tetsuya Mizoue, Manami Inoue, Shoichiro Tsugane, Taichi Shimazu	10
15	Meta-analysis of treatment with rabbit and horse antithymocyte globulin for aplastic anemia 2017 ·International Journal of Hematology ·J. Hayakawa, Junya Kanda, Yu Akahoshi, Naonori Harada, Kazuaki Kameda, Tomotaka Ugai, Hidenori Wada, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Masahiro Ashizawa, Miki Sato, Kiriko Terasako‐Saito, Shun‐ichi Kimura, Misato Kikuchi, Rie Yamazaki, Shinichi Kako, Yoshinobu Kanda	26
16	Risk Factors and Impact of Secondary Failure of Platelet Recovery After Allogeneic Stem Cell Transplantation 2016 ·Biology of Blood and Marrow Transplantation ·Yu Akahoshi, Junya Kanda, Ayumi Gomyo, J. Hayakawa, Yusuke Komiya, Naonori Harada, Kazuaki Kameda, Tomotaka Ugai, (unknown), Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Kiriko Terasako‐Saito, Shun‐ichi Kimura, Misato Kikuchi, Hideki Nakasone, Shinichi Kako, Yoshinobu Kanda	34
17	Clinical characteristics and predictive factors for mortality in coryneform bacteria bloodstream infection in hematological patients 2016 ·Journal of Infection and Chemotherapy ·Shun‐ichi Kimura, Ayumi Gomyo, J. Hayakawa, Yu Akahoshi, Naonori Harada, Tomotaka Ugai, Yusuke Komiya, Kazuaki Kameda, Hidenori Wada, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Kiriko Terasako‐Saito, Misato Kikuchi, Hideki Nakasone, Junya Kanda, Shinichi Kako, Aki Tanihara, Yoshinobu Kanda	17
18	Severe oral infection due to Lactobacillus rhamnosus during induction chemotherapy for acute myeloid leukemia 2014 ·International Journal of Hematology ·Yuko Ishihara, Junya Kanda, Kaori Tanaka, Hirofumi Nakano, Tomotaka Ugai, Hidenori Wada, Ryoko Yamasaki, Koji Kawamura, Kana Sakamoto, Masahiro Ashizawa, Miki Sato, Kiriko Terasako‐Saito, (unknown), Misato Kikuchi, Hideki Nakasone, Rie Yamazaki, Shinichi Kako, Junji Nishida, Kunitomo Watanabe, Yoshinobu Kanda	2
19	A combination of fludarabine, half-dose cyclophosphamide, and anti-thymocyte globulin is an effective conditioning regimen before allogeneic stem cell transplantation for aplastic anemia 2014 ·International Journal of Hematology ·Masahiro Ashizawa, Yu Akahoshi, Hirofumi Nakano, Tomotaka Ugai, Hidenori Wada, Ryoko Yamasaki, Yuko Ishihara, Koji Kawamura, Kana Sakamoto, Miki Sato, Kiriko Terasako, Shun-ichi Kimura, Misato Kikuchi, Hideki Nakasone, Shinichi Kako, Junya Kanda, Rie Yamazaki, Aki Tanihara, Junji Nishida, Yoshinobu Kanda	5
20	Cefepime-induced encephalopathy in patients with haematological malignancies: Clinical features and risk factors 2014 ·Scandinavian Journal of Infectious Diseases ·Tomotaka Ugai, (unknown), (unknown), Hiroyuki Sugihara, (unknown), Masayuki Yamakura, Masami Takeuchi, Kosei Matsue	15

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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