Τρίτη 7 Απριλίου 2020

Oncolytic Viruses for the Treatment of Metastatic Melanoma

Oncolytic Viruses for the Treatment of Metastatic Melanoma:

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Opinion statement

There is an unmet need for additional treatments for metastatic melanoma, besides anti-PD1 antibodies which are FDA approved for adjuvant therapy for stage III or resected stage IV melanoma. Talimogene laherparepvec (T-VEC) is the first and only FDA-approved oncolytic virus for the treatment of melanoma. New viral vectors including coxsackieviruses, HF-10, adenovirus, reovirus, echovirus, and newcastle disease virus are currently under active development and investigation with varying degrees of efficacy in targeting melanoma. The use of T-VEC as a neoadjuvant therapy is emerging, but more data is needed at this point. T-VEC has also shown promise for use in combination therapy with ipilimumab, as T-VEC plus ipilimumab has a significantly higher objective response compared to ipilimumab alone. Data comparing T-VEC in combination with PD-1 checkpoint inhibitors is awaited, and a phase III trial is underway. It is likely that oncolytic viruses will have long-term application in the treatment of melanoma and that T-VEC in particular will continue to have a role in the treatment of patients with readily accessible cutaneous lesions both for local control and synergistic induction of antitumor immunity as part of combination therapies.

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