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Oncolytic virotherapy for urological cancers
Zahid Delwar1, Kaixin Zhang2, Paul S Rennie3
1Department of Surgery, University of British Columbia, 2211 Wesbrook Mall, Vancouver, British Columbia V6T 2B5, Canada.
Nature Reviews. Urology
|May 25, 2016
Summary
Oncolytic virotherapy uses viruses to target and destroy cancer cells, particularly in urological malignancies. Advanced strategies enhance virus effectiveness and safety by exploiting unique cancer features and employing novel delivery methods.
Area of Science:
- Oncology
- Virology
- Biotechnology
Background:
- Oncolytic virotherapy utilizes replication-competent viruses to selectively target and lyse malignant tumor cells, sparing normal tissues.
- Renewed interest in this cancer treatment emerged in the 1980s-1990s due to biotechnological advancements.
- Clinical trials have explored oncolytic virotherapy for various cancers, including urological malignancies.
Purpose of the Study:
- To review the challenges and advanced strategies in oncolytic virotherapy for urological cancers.
- To highlight how unique features of urological cancers can be leveraged for improved treatment outcomes.
- To discuss novel approaches for enhancing the efficacy and safety of oncolytic virus treatments.
Main Methods:
- Review of clinical trial data and preclinical studies on oncolytic virotherapy.
- Analysis of strategies for modifying oncolytic viruses and their delivery.
- Examination of urological cancer-specific characteristics relevant to virotherapy.
Main Results:
- Oncolytic virotherapy faces challenges requiring sophisticated strategies for optimal effectiveness.
- Urological cancers present specific genetic mutations and cell surface markers that can be exploited.
- Advanced strategies include altering virus tropism, regulating gene expression, combination therapies, immune stimulation, and improved delivery.
Conclusions:
- Oncolytic virotherapy holds significant promise for treating urological malignancies.
- Tailoring oncolytic viruses to specific cancer characteristics is crucial for enhancing therapeutic benefits.
- Continued development of advanced strategies will improve the safety and efficacy of oncolytic virotherapy.
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