Oncolytic Immunotherapy: Where Are We Clinically?

Following a century of preclinical and clinical work, oncolytic viruses are now proving themselves in randomized phase 3 trials. Interestingly, human data indicates that these agents have potent immunostimulatory activity, raising the possibility that the key consequence of oncolysis might be induct...

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Main Author: Akseli Hemminki
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Scientifica
Online Access:http://dx.doi.org/10.1155/2014/862925
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author Akseli Hemminki
author_facet Akseli Hemminki
author_sort Akseli Hemminki
collection DOAJ
description Following a century of preclinical and clinical work, oncolytic viruses are now proving themselves in randomized phase 3 trials. Interestingly, human data indicates that these agents have potent immunostimulatory activity, raising the possibility that the key consequence of oncolysis might be induction of antitumor immunity, especially in the context of viruses harboring immunostimulatory transgenes. While safety and efficacy of many types of oncolytic viruses, including adenovirus, herpes, reo, and vaccinia seem promising, few mechanisms of action studies have been performed with human substrates. Thus, the relative contribution of “pure” oncolysis, the immune response resulting from oncolysis, and the added benefit of adding a transgene remain poorly understood. Here, the available clinical data on oncolytic viruses is reviewed, with emphasis on immunological aspects.
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spelling doaj-art-b5cfd2cd3a874090b50306c88b29d9a62025-02-03T01:23:19ZengWileyScientifica2090-908X2014-01-01201410.1155/2014/862925862925Oncolytic Immunotherapy: Where Are We Clinically?Akseli Hemminki0Cancer Gene Therapy Group, Haartman Institute, University of Helsinki, Haartmaninkatu 3, 00290 Helsinki, FinlandFollowing a century of preclinical and clinical work, oncolytic viruses are now proving themselves in randomized phase 3 trials. Interestingly, human data indicates that these agents have potent immunostimulatory activity, raising the possibility that the key consequence of oncolysis might be induction of antitumor immunity, especially in the context of viruses harboring immunostimulatory transgenes. While safety and efficacy of many types of oncolytic viruses, including adenovirus, herpes, reo, and vaccinia seem promising, few mechanisms of action studies have been performed with human substrates. Thus, the relative contribution of “pure” oncolysis, the immune response resulting from oncolysis, and the added benefit of adding a transgene remain poorly understood. Here, the available clinical data on oncolytic viruses is reviewed, with emphasis on immunological aspects.http://dx.doi.org/10.1155/2014/862925
spellingShingle Akseli Hemminki
Oncolytic Immunotherapy: Where Are We Clinically?
Scientifica
title Oncolytic Immunotherapy: Where Are We Clinically?
title_full Oncolytic Immunotherapy: Where Are We Clinically?
title_fullStr Oncolytic Immunotherapy: Where Are We Clinically?
title_full_unstemmed Oncolytic Immunotherapy: Where Are We Clinically?
title_short Oncolytic Immunotherapy: Where Are We Clinically?
title_sort oncolytic immunotherapy where are we clinically
url http://dx.doi.org/10.1155/2014/862925
work_keys_str_mv AT akselihemminki oncolyticimmunotherapywhereareweclinically