Treatment of Invasive Retinoblastoma in a Murine Model Using an Oncolytic Picornavirus
- 15 November 2007
- journal article
- Published by American Association for Cancer Research (AACR) in Cancer Research
- Vol. 67 (22), 10653-10656
- https://doi.org/10.1158/0008-5472.can-07-2352
Abstract
Retinoblastoma, the most common intraocular malignancy of childhood, metastasizes by initial invasion of the choroid and the optic nerve. There is no effective treatment for metastatic retinoblastoma, especially when the central nervous system (CNS) is involved, and prevention of this complication is a treatment priority. Seneca Valley Virus (SVV-001) is a conditionally replication-competent picornavirus that is not pathogenic to normal human cells but can kill human retinoblastoma cells in vitro with an IC50 of 13 vp/kg) showed effective treatment of choroid and ocular nerve tumor invasion (1 of 20 animals with invasive disease in the treated group versus 7 of 20 animals with invasive disease in the control group; P = 0.017) and prevention of CNS metastasis (0 of 20 animals with CNS metastatic disease in the treated group versus 4 of 20 animals with CNS disease in the control group; P = 0.036). There were no observed adverse events due to the virus in any of the treated animals. SVV-001 may be effective as a treatment of locally invasive and metastatic retinoblastoma. [Cancer Res 2007;67(22):10653–6]Keywords
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