alexa Cytokine-enhanced vaccine and interferon-β plus suicide gene as combined therapy for spontaneous canine sarcomas.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Genetic Syndromes & Gene Therapy

Author(s): Finocchiaro LM, Villaverde MS, GilCardeza ML, Riveros MD, Glikin GC

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Abstract Eleven soft tissue- and five osteosarcoma canine patients were subjected to: (i) periodic subcutaneous injection of irradiated xenogeneic cells secreting hGM-CSF and hIL-2 mixed with allogeneic or autologous tumor homogenates; and (ii) injections of cIFN-β and HSVtk-carrying lipoplexes and ganciclovir, marginal (after surgery) and/or intratumoral (in the case of partial tumor resection, local relapse or small surface tumors). This treatment alone (4 patients) or as surgery adjuvant (12 patients), was safe and well tolerated. In those patients presenting local disease (6/11), the suicide gene plus cIFN-β treatment induced local antitumor activity evidenced by the objective responses (3 complete, 2 partial) and stable diseases (2). In addition, the treatment prevented or delayed local relapse, regional metastases (lymph nodes developed only in 3/16) and distant metastases (0/16), suggesting a strong systemic antitumor immunity. The most encouraging result was the long survival times of 10 patients (>1 year, with good quality of life). Copyright © 2011 Elsevier Ltd. All rights reserved. This article was published in Res Vet Sci and referenced in Journal of Genetic Syndromes & Gene Therapy

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