Shinya Tokunaga

1.7k total citations · 1 hit paper
65 papers, 1.1k citations indexed

About

Shinya Tokunaga is a scholar working on Oncology, Pulmonary and Respiratory Medicine and Surgery. According to data from OpenAlex, Shinya Tokunaga has authored 65 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Oncology, 21 papers in Pulmonary and Respiratory Medicine and 17 papers in Surgery. Recurrent topics in Shinya Tokunaga's work include Cancer Treatment and Pharmacology (14 papers), Colorectal Cancer Treatments and Studies (12 papers) and Gastric Cancer Management and Outcomes (10 papers). Shinya Tokunaga is often cited by papers focused on Cancer Treatment and Pharmacology (14 papers), Colorectal Cancer Treatments and Studies (12 papers) and Gastric Cancer Management and Outcomes (10 papers). Shinya Tokunaga collaborates with scholars based in Japan, United States and Sri Lanka. Shinya Tokunaga's co-authors include Satoshi Morita, Yoshinari Ogawa, Ichinosuke Hyodo, Taito Esaki, Katsumi Ikeda, Narikazu Boku, Kensei Yamaguchi, Tomohiro Nishina, Yukio Nishiguchi and Kazumasa Fujitani and has published in prestigious journals such as Journal of Clinical Oncology, PLoS ONE and Cancer.

In The Last Decade

Shinya Tokunaga

57 papers receiving 1.1k citations

Hit Papers

align trajectories sort by overperformance

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.

Randomized, Open-Label, Phase III Study Comparing Irinotecan With Paclitaxel in Patients With Advanced Gastric Cancer Without Severe Peritoneal Metastasis After Failure of Prior Combination Chemotherapy Using Fluoropyrimidine Plus Platinum: WJOG 4007 Trial

2013 351 citations Shuichi Hironaka, Hirofumi Yasui et al. Journal of Clinical Oncology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Shinya Tokunaga Japan	15	659	590	368	198	162	65	1.1k
Y-J. Bang South Korea	20	720 1.1×	559 0.9×	276 0.8×	162 0.8×	352 2.2×	54	1.3k
Tetsuo Kimura Japan	19	372 0.6×	343 0.6×	254 0.7×	143 0.7×	295 1.8×	50	915
Antonia Strippoli Italy	17	532 0.8×	438 0.7×	328 0.9×	176 0.9×	134 0.8×	66	1.1k
Ulrike Heger Germany	21	789 1.2×	471 0.8×	586 1.6×	262 1.3×	159 1.0×	48	1.3k
Hidekazu Kuramochi Japan	19	626 0.9×	302 0.5×	272 0.7×	180 0.9×	247 1.5×	77	1.0k
Kaoru Niimi Japan	20	338 0.5×	524 0.9×	529 1.4×	262 1.3×	478 3.0×	101	1.7k
Aiwen Wu China	23	708 1.1×	771 1.3×	735 2.0×	258 1.3×	238 1.5×	105	1.7k
Nozomu Machida Japan	20	819 1.2×	802 1.4×	429 1.2×	91 0.5×	166 1.0×	135	1.4k
Tomoya Tsukada Japan	21	401 0.6×	409 0.7×	326 0.9×	144 0.7×	337 2.1×	66	1.1k
Chiao‐En Wu Taiwan	17	499 0.8×	280 0.5×	262 0.7×	154 0.8×	289 1.8×	92	933

Countries citing papers authored by Shinya Tokunaga

Since Specialization

Citations

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

Fields of papers citing papers by Shinya Tokunaga

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Shinya Tokunaga

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

Machida, Nozomu, Takehiro Okumura, Narikazu Boku, et al.. (2025). A phase 2 study of adjuvant chemotherapy with 5‐fluorouracil/leucovorin and oxaliplatin after lung metastasectomy for colorectal cancer (WJOG5810G). Cancer. 131(7). e35807–e35807. 1 indexed citations

Arai, Hiroyuki, Takashi Tsuda, Yu Sunakawa, et al.. (2024). Switching from FOLFIRI plus cetuximab to FOLFIRI plus bevacizumab based on early tumor shrinkage in RAS wild‐type metastatic colorectal cancer: A phase II trial (HYBRID). Cancer Medicine. 13(7). e7107–e7107. 1 indexed citations

Tokunaga, Shinya, et al.. (2024). Delayed formation and rupture of intracranial aneurysm following Abiotrophia defectiva endocarditis. BMJ Case Reports. 17(1). e258922–e258922.

Masuda, Hiroko, Yuko Tanabe, Koji Matsumoto, et al.. (2023). Efficacy of probiotics and trimebutine maleate for abemaciclib-induced diarrhea: A randomized, open-label phase II trial (MERMAID, WJOG11318B). The Breast. 71. 22–28. 13 indexed citations

Hanakita, Junya, et al.. (2023). Intraoperative complications of vertebral body stenting system. Surgical Neurology International. 14. 156–156. 1 indexed citations

Tokunaga, Shinya, Yukihiro Yamao, Takakuni Maki, et al.. (2023). Vessel wall imaging and carotid artery stenting for recurrent cervical internal carotid artery vasospasm syndrome: illustrative case. Journal of Neurosurgery Case Lessons. 5(23). 1 indexed citations

Takesue, Naoyuki, et al.. (2021). Evaluation of Compliant Robot Arm with Quasi-DD Motor and Gravity Compensation Mechanism. 2021.7(0). GS6–5. 1 indexed citations

Takashima, Tsutomu, Shigehiko Nishimura, Hidemi Kawajiri, et al.. (2021). An Exploratory Phase II Study of Eribulin Re-challenge After Short Term Therapy of 5-Fluorouracil for HER2 Negative, Advanced or Recurrent Breast Cancer. Anticancer Research. 41(10). 5007–5014. 1 indexed citations

Tokunaga, Shinya, et al.. (2021). Autonomous Spiral Motion by a Small-Type Robot on an Obstacle-Available Surface. Micromachines. 12(4). 375–375. 2 indexed citations

10.

Masuda, Hiroko, Tsutomu Iwasa, Toru Mukohara, et al.. (2020). Abstract OT2-02-09: Phase II study of trimebutine maleate and probiotics for abemaciclib-induced diarrhea in patients with ER-positive and HER2-negative advanced breast cancer (MERMAID) WJOG11318B. Cancer Research. 80(4_Supplement). OT2–2. 1 indexed citations

11.

Nishikawa, Kazuhiro, Kenta Murotani, Kazumasa Fujitani, et al.. (2019). A study of second-line irinotecan plus cisplatin vs. irinotecan alone in platinum-naïve patients with early relapse of gastric cancer refractory to adjuvant S-1 monotherapy: exploratory subgroup analysis of the randomized phase III TRICS trial. Cancer Chemotherapy and Pharmacology. 83(5). 867–874. 4 indexed citations

12.

Matsumoto, Koji, Yukinori Ozaki, Manabu Futamura, et al.. (2019). Relation between dexamethasone (DEX) usage, preventive trimetprim/sulfametoxazole (ST), and pneumocystis pneumonia (PCP) for patients with breast cancer receiving dose-dense AC followed by dose-dense paclitaxel (ddAC-ddP): Preplanned analysis of WJOG9016B.. Journal of Clinical Oncology. 37(15_suppl). e12022–e12022. 3 indexed citations

13.

Yamamura, Jun, Norikazu Masuda, Daigo Yamamoto, et al.. (2017). Gemcitabine and Vinorelbine Combination Chemotherapy in Taxane-Pretreated Patients with Metastatic Breast Cancer: A Phase II Study of the Kinki Multidisciplinary Breast Oncology Group (KMBOG) 1015. Chemotherapy. 62(5). 307–313. 3 indexed citations

14.

Ogawa, Yoshinari, Katsumi Ikeda, Chika Watanabe, et al.. (2017). Sentinel node biopsy for axillary management after neoadjuvant therapy for breast cancer: a single-center retrospective analysis with long follow-up. Surgery Today. 48(1). 87–94. 3 indexed citations

15.

Yasui, Hirofumi, Kei Muro, Yasuhiro Shimada, et al.. (2014). A phase 3 non-inferiority study of 5-FU/l-leucovorin/irinotecan (FOLFIRI) versus irinotecan/S-1 (IRIS) as second-line chemotherapy for metastatic colorectal cancer: updated results of the FIRIS study. Journal of Cancer Research and Clinical Oncology. 141(1). 153–160. 19 indexed citations

16.

Tamiya, Motohiro, Shinya Tokunaga, Hidekazu Suzuki, et al.. (2012). Prospective Study of Urinary and Serum Cross-Linked N-Telopeptide of Type I Collagen (NTx) for Diagnosis of Bone Metastasis in Patients With Lung Cancer. Clinical Lung Cancer. 14(4). 364–369. 16 indexed citations

17.

Okita, Natsuko, Taito Esaki, Eishi Baba, et al.. (2011). A multicenter phase II study of the stop-and-go modified FOLFOX6 with bevacizumab for first-line treatment of patients with metastatic colorectal cancer. Investigational New Drugs. 30(5). 2026–2031. 9 indexed citations

18.

Ikeda, Katsumi, Yoshinari Ogawa, Tetsuro Ikeya, et al.. (2011). A role for elastography in the diagnosis of breast lesions by measuring the maximum fat lesion ratio (max-FLR) by tissue Doppler imaging. Breast Cancer. 19(1). 71–76. 12 indexed citations

19.

Ogawa, Yoshinari, Eishu Hai, Kanako Matsumoto, et al.. (2008). Androgen receptor expression in breast cancer: relationship with clinicopathological factors and biomarkers. International Journal of Clinical Oncology. 13(5). 431–435. 147 indexed citations

20.

Yonemori, Kan, Noriyuki Katsumata, Hajime Uno, et al.. (2005). Efficacy of weekly paclitaxel in patients with docetaxel-resistant metastatic breast cancer. Breast Cancer Research and Treatment. 89(3). 237–241. 25 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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