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Updated: May 14, 2026

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
Published on: January 7, 2019
[Oncolytic viruses in the therapy of gliomas]
Abstract:
Despite the advances of modern medicine, malignant glioblastoma cure remains an elusive goal. Both the invasive nature and location in vital areas of the brain make this type of tumors difficult for surgical treatment, while the current adjuvant therapy is not as successful as expected. Frequent recurrence and invasiveness of malignant gliomas is due to resistance of glioma stem cells to conventional radiation and chemotherapy. Technological advances in constructing recombinant viruses have allowed creating strains with high oncolytic activity toward glial tumors. Many of these strains have passed Phase I of clinical trials and demonstrated high safety. Despite the obvious potential of the approach, efficiency of the existing strains is still far from being sufficient for effectively curing the disease and require further improvement. The review summarizes results obtained with the most successful variants of oncolytic viruses that come down to the clinical trials and discusses the prospects for new approaches in virotherapy of malignant gliomas.
Insights
Glioblastoma remains difficult to treat due to invasive nature and stem cell resistance. Oncolytic viruses show promise for treating malignant gliomas, with ongoing research to improve their effectiveness.
Area of Science:
- Neuro-oncology
- Virology
- Cancer Therapy
Context:
- Malignant glioblastoma presents significant therapeutic challenges due to its invasive nature and location within critical brain areas.
- Current treatments like surgery, radiation, and chemotherapy are limited by tumor recurrence and resistance from glioma stem cells.
- Advances in genetic engineering have enabled the development of oncolytic viruses with targeted cancer-fighting capabilities.
Purpose:
- To review the progress and clinical trial outcomes of oncolytic viruses for malignant glioma treatment.
- To discuss the potential and limitations of current oncolytic virus strains in virotherapy.
- To explore future directions and improvements for enhancing oncolytic virotherapy efficacy.
Summary:
- Recombinant oncolytic viruses demonstrate oncolytic activity against glial tumors and have shown safety in Phase I clinical trials.
- Despite promising safety profiles, existing oncolytic virus strains require further optimization to achieve sufficient therapeutic efficacy for glioblastoma.
- The review highlights successful oncolytic virus variants that have entered clinical trials and discusses prospects for novel virotherapy approaches.
Impact:
- Oncolytic virus therapy offers a novel strategy for targeting glioblastoma, potentially overcoming resistance to conventional treatments.
- Further development of oncolytic viruses could lead to more effective treatments for malignant gliomas, improving patient outcomes.
- This research paves the way for enhanced virotherapy strategies against challenging brain tumors.
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