Author: Maroun, Justin; Muñoz-Alía, Miguel; Ammayappan, Arun; Schulze, Autumn; Peng, Kah-Whye; Russell, Stephen
Title: Designing and building oncolytic viruses Document date: 2017_3_31
ID: qr1gsmqw_28
Snippet: Antibody neutralization has been shown to reduce the efficacy of systemically administered OVs such as measles, VSV and vaccinia in preclinical models [76] [77] [78] . When previous exposure has occurred, preformed antibody reduces the effectiveness of the initial treatment. However, the situation is typically far more problematic for second and subsequent doses, even for low seroprevalence viruses, because the first dose induces a powerful prima.....
Document: Antibody neutralization has been shown to reduce the efficacy of systemically administered OVs such as measles, VSV and vaccinia in preclinical models [76] [77] [78] . When previous exposure has occurred, preformed antibody reduces the effectiveness of the initial treatment. However, the situation is typically far more problematic for second and subsequent doses, even for low seroprevalence viruses, because the first dose induces a powerful primary antiviral antibody response or boosts the pre-existing response [79, 80] . These troublesome responses can be constrained by coadministering immunosuppressive drugs such as cyclophosphamide. Cyclophosphamide administered concurrently with an OV has been shown to suppress or delay the development of humoral and cytotoxic antiviral T-cell responses [81] .
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