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Involvement of immunomodulators in the development of cancer vaccines

Roshni Bibi1, Swayamsiddhi1, Subham Saishree1

  • 1Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India.

Biochimica Et Biophysica Acta. Molecular Basis of Disease
|June 9, 2026
PubMed

Insights

Cancer vaccines show promise but face challenges. Combining them with immunomodulators like cytokines and checkpoint inhibitors can overcome resistance and boost effectiveness for better cancer treatment.

Area of Science:

  • Immunology
  • Oncology
  • Biotechnology

Background:

  • Cancer vaccines are promising immunotherapies activating anti-tumor immunity.
  • Success is limited by immunosuppressive tumor microenvironment (TME), poor antigen presentation, and immune evasion.
  • Immunomodulators are crucial for overcoming vaccine resistance and enhancing immune responses.

Purpose of the Study:

  • To review how immunomodulatory agents enhance cancer vaccine effectiveness.
  • To explore novel strategies like neoantigen vaccines and nanoparticle delivery.
  • To discuss challenges and future directions for cancer vaccine development.

Main Methods:

  • Literature review of immunomodulatory agents (cytokines, checkpoint inhibitors, TLR agonists, STING activators, oncolytic viruses).
  • Analysis of advanced treatment developments including personalized vaccines and microbiome modification.
  • Examination of obstacles such as toxicity, tumor heterogeneity, and manufacturing limitations.

Main Results:

  • Immunomodulators improve antigen presentation, T-cell activation, and TME integrity.
  • Personalized neoantigen vaccines and nanoparticle delivery show promise for tailored treatments.
  • Combining cancer vaccines with immunomodulators offers potential for robust and specific therapies.

Conclusions:

  • Immunomodulators significantly enhance cancer vaccine efficacy by addressing key resistance mechanisms.
  • Innovative approaches like personalized vaccines and microbiome modulation offer new avenues for cancer treatment.
  • Further research and clinical translation are essential to realize the full potential of combination cancer immunotherapies.
Keywords:
Cancer vaccinesImmunomodulatorsT cellToll-like receptorsTumor microenvironment

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