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Cancer Vaccines: A Promising Therapeutic Strategy in Advanced Solid Tumors

Simona Caridi1, Valeria Maccauro1, Lucia Cerrito1

  • 1Liver Unit, Centro Malattie dell'Apparato Digerente (CEMAD), Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, 00168 Rome, Italy.

Vaccines
|June 27, 2025
PubMed

Insights

Therapeutic cancer vaccines show promise in cancer immunotherapy by restoring anti-cancer immune responses. While not inducing tumor regression alone, they enhance immune responses with other agents, improving survival in advanced cancers.

Area of Science:

  • Immunology
  • Oncology
  • Vaccinology

Background:

  • Cancer cells develop mechanisms to evade immune recognition, hindering natural anti-tumor responses.
  • Cancer immunotherapy has advanced significantly due to a better understanding of tumor immune evasion.
  • Therapeutic cancer vaccines are being explored as a safe and specific immunotherapy approach.

Purpose of the Study:

  • To explore the potential of therapeutic cancer vaccines in restoring anti-cancer immunity.
  • To investigate the role of cancer vaccines in overcoming tumor-induced immunosuppression.
  • To evaluate the efficacy of cancer vaccines as a standalone or combination therapy.

Main Methods:

  • Stimulating antigen-presenting cell processes to enhance anti-tumor immune responses.
  • Reversing the immunosuppressive tumor microenvironment.
  • Clinical research evaluating cancer vaccines alone and in combination with other immunotherapies.

Main Results:

  • Cancer vaccines aim to restore innate and adaptive anti-cancer immune responses.
  • In clinical studies, cancer vaccines alone have not consistently induced tumor regression.
  • Cancer vaccines can enhance local immune responses when combined with agents like immune checkpoint inhibitors.

Conclusions:

  • Therapeutic cancer vaccines hold promise for cancer immunotherapy due to their safety and specificity.
  • Combination therapy involving cancer vaccines and immune checkpoint inhibitors can delay cancer recurrence.
  • Cancer vaccines can prolong overall survival in patients with advanced tumors when used in combination treatments.
Keywords:
advanced solid tumorsimmune checkpoint inhibitors (ICIs)immunotherapytherapeutic vaccinestumor antigenstumor microenvironment (TME)

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