World's Best Scientists 2026 revealed!
Hitoshi Katai

Hitoshi Katai

D-Index & Metrics

Medicine

D-Index
75
Citations
19209
World Ranking
19164
National Ranking
614

Overview

Hitoshi Katai is affiliated with Juntendo University in Japan and specializes primarily in the field of medicine, with a focus on pulmonary and respiratory medicine, gastroenterology, surgery, oncology, and molecular biology. Their research covers a broad range of topics related to cancer, particularly gastric cancer management and outcomes, metastasis and carcinoma case studies, gastrointestinal tumor research and treatment, cholangiocarcinoma and gallbladder cancer studies, colorectal cancer treatments and studies, esophageal and gastrointestinal pathology, and cancer-related molecular mechanisms research.

The scientist has contributed to multiple recent publications, including:

  • Gastrectomy with or without neoadjuvant S-1 plus cisplatin for type 4 or large type 3 gastric cancer (JCOG0501): an open-label, phase 3, randomized controlled trial (2020, Gastric Cancer)
  • International Retrospective Cohort Study of Conversion Therapy for Stage IV Gastric Cancer 1 (CONVO-GC-1) (2021, Annals of Gastroenterological Surgery)
  • A retrospective 5-year survival analysis of surgically resected gastric cancer cases from the Japanese Gastric Cancer Association nationwide registry (2001-2013) (2022, Gastric Cancer)
  • Impact of preoperative chemotherapy as initial treatment for advanced gastric cancer with peritoneal metastasis limited to positive peritoneal lavage cytology (CY1) or localized peritoneal metastasis (P1a): a multi-institutional retrospective study (2020, Gastric Cancer)
  • Multiancestry genomic and transcriptomic analysis of gastric cancer (2023, Nature Genetics)

Katai frequently publishes in scientific journals such as:

  • Gastric Cancer
  • Journal of Clinical Oncology
  • European Journal of Surgical Oncology
  • BMC Surgery
  • Japanese Journal of Clinical Oncology

Collaborations are a notable element of Katai's research, with frequent co-authors including:

  • Takaki Yoshikawa
  • Yukinori Yamagata
  • Sho Otsuki
  • Takeyuki Wada
  • Tsutomu Hayashi

Their work encompasses significant volumes of research related to gastric cancer management and outcomes, contributing to the understanding of surgical interventions, chemotherapy approaches, and molecular analyses at a genomic and transcriptomic level. The subfield expertise ranges from the clinical management of respiratory and gastroenterological cancers to the underlying molecular biology influencing cancer development and progression.

Best Publications

  • Pan-cancer analysis of whole genomes

    Peter J. Campbell;Gad Getz;Jan O. Korbel;Joshua M. Stuart

  • Five-Year Outcomes of a Randomized Phase III Trial Comparing Adjuvant Chemotherapy With S-1 Versus Surgery Alone in Stage II or III Gastric Cancer

    Mitsuru Sasako;Shinichi Sakuramoto;Hitoshi Katai;Taira Kinoshita

  • Patterns of somatic structural variation in human cancer genomes

    Yilong Li;Nicola D Roberts;Jeremiah A Wala;Jeremiah A Wala;Ofer Shapira;Ofer Shapira

  • Gastric cancer treated in 2002 in Japan: 2009 annual report of the JGCA nationwide registry

    Atsushi Nashimoto;Kohei Akazawa;Yoh Isobe;Isao Miyashiro

  • Five-year survival analysis of surgically resected gastric cancer cases in Japan: a retrospective analysis of more than 100,000 patients from the nationwide registry of the Japanese Gastric Cancer Association (2001–2007)

    Hitoshi Katai;Takashi Ishikawa;Kohei Akazawa;Yoh Isobe

  • Genetic variation in PSCA is associated with susceptibility to diffuse-type gastric cancer.

    Hiromi Sakamoto;Kimio Yoshimura;Norihisa Saeki

  • Safety and feasibility of laparoscopy-assisted distal gastrectomy with suprapancreatic nodal dissection for clinical stage I gastric cancer: a multicenter phase II trial (JCOG 0703).

    Hitoshi Katai;Mitsuru Sasako;Haruhiko Fukuda;Kenichi Nakamura

  • Short-term surgical outcomes from a phase III study of laparoscopy-assisted versus open distal gastrectomy with nodal dissection for clinical stage IA/IB gastric cancer: Japan Clinical Oncology Group Study JCOG0912

    Hitoshi Katai;Junki Mizusawa;Hiroshi Katayama;Masakazu Takagi

  • Gastric cancer treatment in Japan: 2008 annual report of the JGCA nationwide registry

    Yoh Isobe;Atsushi Nashimoto;Kohei Akazawa;Ichiro Oda

  • Pancreas-preserving total gastrectomy for proximal gastric cancer.

    Keiichi Maruyama;Mitsuru Sasako;Taira Kinoshita;Takeshi Sano

  • Randomized Controlled Trial to Evaluate Splenectomy in Total Gastrectomy for Proximal Gastric Carcinoma.

    Takeshi Sano;Mitsuru Sasako;Junki Mizusawa;Seiichiro Yamamoto

  • Gastric cancer treated in 1991 in Japan: data analysis of nationwide registry.

    Keiichi Maruyama;Michio Kaminishi;Ken-ichi Hayashi;Yoh Isobe

  • Changing trends in the proportion of adenocarcinoma of the esophagogastric junction in a large tertiary referral center in Japan

    Chika Kusano;Takuji Gotoda;Christopher J Khor;Hitoshi Katai

  • Survival outcomes after laparoscopy-assisted distal gastrectomy versus open distal gastrectomy with nodal dissection for clinical stage IA or IB gastric cancer (JCOG0912): a multicentre, non-inferiority, phase 3 randomised controlled trial.

    Hitoshi Katai;Junki Mizusawa;Hiroshi Katayama;Shinji Morita

  • Impact of expression of human epidermal growth factor receptors EGFR and ERBB2 on survival in stage II/III gastric cancer.

    Masanori Terashima;Koji Kitada;Atsushi Ochiai;Wataru Ichikawa

  • Evaluation of the necessity for gastrectomy with lymph node dissection for patients with submucosal invasive gastric cancer

    T Gotoda;M Sasako;H Ono;H Katai

  • Adipocytokine levels in gastric cancer patients: resistin and visfatin as biomarkers of gastric cancer

    Takako Eguchi Nakajima;Yasuhide Yamada;Tetsutaro Hamano;Koh Furuta

  • Favorable indications for hepatectomy in patients with liver metastasis from gastric cancer.

    Yoshihiro Sakamoto;Takeshi Sano;Kazuaki Shimada;Minoru Esaki

  • Endoscopic evaluation of the remnant stomach after gastrectomy: proposal for a new classification.

    Makoto Kubo;Mitsuru Sasako;Takuji Gotoda;Hiroyuki Ono

  • Immunohistochemically detected micrometastases of the lymph nodes in patients with gastric carcinoma.

    Takeo Fukagawa;Mitsuru Sasako;Gregory Bruce Mann;Takeshi Sano

Frequent Co-Authors

Mitsuru Sasako
Mitsuru Sasako Hyogo College of Medicine
Narikazu Boku
Narikazu Boku St. Marianna University School of Medicine
Takuji Gotoda
Takuji Gotoda Nihon University
Atsushi Ochiai
Atsushi Ochiai University of Tokyo
Yutaka Saito
Yutaka Saito Aoyama Gakuin University
Toshikazu Ushijima
Toshikazu Ushijima National Cancer Centre
Hiromi Sakamoto
Hiromi Sakamoto National Cancer Research Institute, UK
Teruhiko Yoshida
Teruhiko Yoshida National Cancer Research Institute, UK
Hitoshi Tsuda
Hitoshi Tsuda National Defense Medical College
Yasuhiro Kodera
Yasuhiro Kodera Nagoya University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

As the demand for healthcare professionals grows, many students explore flexible ways to advance their medical careers. Online degrees can offer accelerated pathways, helping you gain qualifications faster while balancing work and personal responsibilities.

For registered nurses, rn bsn online programs no clinicals provide a convenient solution to earn a bachelor's degree without additional in-person clinical hours. Those aiming for leadership roles may consider online dnp programs that fast-track the journey to a Doctor of Nursing Practice.

If you're seeking manageable coursework, exploring dnp online programs can help you find options better suited to your schedule and learning preferences. Additionally, students looking for entry-level opportunities can benefit from 6 month lpn program online, which allows you to begin working in healthcare in less time.

Choosing the right online program is essential for aligning your education with your career aspirations, whether you are starting out or advancing in medicine.

Best Scientists Citing Hitoshi Katai

Trending Scientists