Knowledge mapping and research hotspots of immunotherapy in renal cell carcinoma: A text-mining study from 2002 to

Kun Liu1, Seling Zhao1, Jian Li1

  • 1Department of Urology, Xiamen Humanity Hospital, Fujian Medical University, Xiamen, China.

Frontiers in Immunology
|August 15, 2022
PubMed
Abstract

Insights

This bibliometric analysis reveals key trends in renal cell carcinoma (RCC) immunotherapy research. Immune checkpoint inhibitors (ICIs) are a major focus, with future directions including combination therapies and biomarker development.

Area of Science:

  • Urology
  • Oncology
  • Immunotherapy

Background:

  • Renal cell carcinoma (RCC) is a lethal malignancy often diagnosed at advanced stages.
  • Immunotherapy has revolutionized RCC treatment, marking a new era in patient care.
  • Understanding research trends is crucial for advancing RCC treatment strategies.

Purpose of the Study:

  • To outline the knowledge map of RCC immunotherapy research.
  • To identify emerging research hotspots and trends in the field.
  • To provide insights into future research directions for RCC immunotherapy.

Main Methods:

  • Bibliometric analysis of 3,432 publications from 2002-2021 in the Web of Science Core Collection.
  • Utilized VOSviewer, CiteSpace, R software, and Microsoft Office Excel for data analysis and visualization.
  • Examined publication trends, country/institution productivity, key journals, and influential authors.

Main Results:

  • A consistent annual growth in publications and citations related to RCC immunotherapy.
  • The United States leads in high-quality publications and international collaboration.
  • Key research hotspots identified include immune checkpoint inhibitors (ICIs), PD-1, and mammalian target of rapamycin (mTOR).

Conclusions:

  • Immunotherapy, particularly ICIs, holds significant promise for RCC treatment.
  • Future research should explore combination therapies, ICI monotherapy, and novel predictive biomarkers.
  • Continued investigation into immunotherapy is vital for improving outcomes in renal cell carcinoma patients.

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