Oncolytic Virotherapy for Solid Tumors: Clinical Advances and Future Directions

Palash Asawa1, Xena Zheng1, Jaime Rafael Merchan2

  • 1Department of Medicine, Miller School of Medicine, Jackson Memorial Hospital, University of Miami, 1600 NW 10th Avenue, Miami, FL 33136, USA.

Insights

Oncolytic viruses (OVs) selectively destroy cancer cells. This review covers OV mechanisms, clinical uses, and strategies to overcome challenges in cancer therapy.

Area of Science:

  • Oncology
  • Virology
  • Immunology

Background:

  • Oncolytic viruses (OVs) are viruses that target and eliminate tumor cells.
  • OVs offer a promising approach in cancer treatment by selectively replicating within and destroying cancer cells while sparing healthy tissues.
  • The field of oncolytic virotherapy is rapidly advancing, integrating principles from synthetic biology and immuno-oncology.

Purpose of the Study:

  • To provide a comprehensive overview of the biological underpinnings of oncolytic virus therapy.
  • To discuss the current clinical landscape and future directions for OV-based cancer treatments.
  • To identify and address the key challenges hindering the clinical translation of oncolytic virotherapy.

Main Methods:

  • Literature review of oncolytic virus mechanisms, including tumor cell lysis and immune system modulation.
  • Analysis of current clinical trials and emerging combination therapies involving OVs.
  • Examination of advancements in viral platform development and strategies to overcome clinical barriers.

Main Results:

  • OVs exhibit dual mechanisms of action: direct tumor cell destruction and stimulation of anti-tumor immune responses.
  • Clinical applications are expanding, with ongoing research into combination therapies to enhance efficacy.
  • Next-generation viral platforms are being developed to improve OV safety, targeting, and therapeutic potential.

Conclusions:

  • Oncolytic virotherapy holds significant potential as a next-generation cancer treatment.
  • Overcoming barriers in clinical translation is crucial for realizing the full potential of OVs.
  • Continued advancements in synthetic biology and immuno-oncology are driving the evolution of oncolytic virotherapy.

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