Gene therapy and virotherapy of gastric cancer: preclinical results and clinical developments

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Published on: January 22, 2018

Daniëlle A M Heideman1

  • 1Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands. dam.heideman@vumc.nl

Digestive Diseases (Basel, Switzerland)
|April 7, 2005
PubMed

Insights

New cancer gene therapy and virotherapy approaches show promise for treating gastric cancer. Researchers are developing targeted viral vectors to improve gene transfer and oncolytic viruses that selectively replicate in tumors.

Area of Science:

  • Oncology
  • Gene Therapy
  • Virotherapy

Background:

  • Gastric cancer treatment outcomes remain poor despite current therapeutic advancements.
  • Novel therapeutic strategies are essential for improving patient prognosis in gastric cancer.
  • Gene therapy and virotherapy represent promising new avenues for gastric cancer treatment.

Purpose of the Study:

  • To review the potential of gene therapy and virotherapy as novel treatment modalities for gastric cancer.
  • To discuss the development and efficacy of targeted viral vectors and replication-selective oncolytic viruses.
  • To explore the combination of virotherapy with existing treatments and gene-therapeutic approaches.

Main Methods:

  • Review of existing literature on gene therapy and virotherapy strategies for gastric cancer.
  • Discussion of targeted viral vectors for enhanced gene delivery to tumor cells.
  • Analysis of replication-selective oncolytic viral systems and their mechanisms, including bystander effects.

Main Results:

  • Early gene therapy clinical trials showed limited efficacy due to inefficient gene transfer.
  • Development of targeted viral vectors and replication-selective oncolytic viruses aims to overcome these limitations.
  • Virotherapy has demonstrated encouraging clinical results, particularly when combined with chemotherapy, radiotherapy, or enzyme-prodrug therapy.

Conclusions:

  • Replication-selective oncolytic viruses offer advantages, including self-perpetuating infection and bystander effects.
  • Combinatorial approaches involving virotherapy show significant therapeutic potential for gastric cancer.
  • Further research to enhance anti-tumor efficacy and selectivity is crucial for realizing the full potential of viral vector systems in gastric cancer treatment.

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