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Therapeutic vaccines in non-small cell lung cancer

Authors Socola F, Scherfenberg N, Raez LE

Received 18 May 2013

Accepted for publication 9 July 2013

Published 19 September 2013 Volume 2013:2 Pages 115—124


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Francisco Socola,1 Naomi Scherfenberg,2 Luis E Raez3

1Division of Hematology/Oncology, Sylvester Comprehensive Cancer Center, University of Miami Leonard M Miller School of Medicine, Miami, Florida, USA; 2University of Miami Leonard M Miller School of Medicine, Miami, Florida, USA; 3Thoracic Oncology Program, Memorial Cancer Institute, Memorial Health Care System, Pembroke Pines, Florida, USA

Abstract: Non-small cell lung cancer (NSCLC) unfortunately carries a very poor prognosis. Patients usually do not become symptomatic, and therefore do not seek treatment, until the cancer is advanced and it is too late to employ curative treatment options. New therapeutic options are urgently needed for NSCLC, because even current targeted therapies cure very few patients. Active immunotherapy is an option that is gaining more attention. A delicate and complex interplay exists between the tumor and the immune system. Solid tumors utilize a variety of mechanisms to evade immune detection. However, if the immune system can be stimulated to recognize the tumor as foreign, tumor cells can be specifically eliminated with little systemic toxicity. A number of vaccines designed to boost immunity against NSCLC are currently undergoing investigation in phase III clinical trials. Belagenpumatucel-L, an allogeneic cell vaccine that decreases transforming growth factor (TGF-β) in the tumor microenvironment, releases the immune suppression caused by the tumor and it has shown efficacy in a wide array of patients with advanced NSCLC. Melanoma-associated antigen A3 (MAGE-A3), an antigen-based vaccine, has shown promising results in MAGE-A3+ NSCLC patients who have undergone complete surgical resection. L-BLP25 and TG4010 are both antigenic vaccines that target the Mucin 1 protein (MUC-1), a proto-oncogene that is commonly mutated in solid tumors. CIMAVax is a recombinant human epidermal growth factor (EGF) vaccine that induces anti-EGF antibody production and prevents EGF from binding to its receptor. These vaccines may significantly improve survival and quality of life for patients with an otherwise dismal NSCLC prognosis. This review is intended to give an overview of the current data and the most promising studies of active immunotherapy for NSCLC.

Keywords: immunotherapy, non-small cell lung cancer, Belagenpumatucel-L, melanoma-associated antigen A3 (MAGE-A3), L-BLP25, TG4010, CIMAVax

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