alexa 3rd International Conference on J Gastroint Dig Syst 2014 Volume 4, Issue 3 ISSN: 2161-069X, an open access journal Gastroenterology-2014 July 28-30, 2014 July 28-30, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA Gastroenterology and Urolo

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3rd International Conference on J Gastroint Dig Syst 2014 Volume 4, Issue 3 ISSN: 2161-069X, an open access journal Gastroenterology-2014 July 28-30, 2014 July 28-30, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA Gastroenterology & Urolo

Graft vs. leukemia or solid tumors effects following allogeneic stem cell transplantation (SCT) are well established, however, use of SCT may be hazardous and associated with unavoidble graft-vs-host disease (GVHD). It was investigated whether short-term immunotherapy could be induced by intentionally mismatched alloreactive killer NK and T cells (IMAK), maximally activated with interleukin 2 with no SCT. Monoclonal and trifunctional bispecific antibodies (BSA) were used for targeting IMAK against antigens over-expressed on malignant cells confirmed efficacy of eradication of otherwise lethal inoculum of B16 melanoma while avoiding GVHD in mice. Successfully treated mice could also resist fresh tumor challenge, suggesting development of anti-cancer immunity by Fc binding of malignant cells to host dendritic cells and presentation to T cells cells. Commercially available monoclonal and BSA against target antigens (EGFR, VEGF, Her-2/neu, CD20, EpCAM) using Erbitux, Avastin, Herceptin, MabThera & Catumaxomab, respectively were used in a pilot clinical trial. We have confirmed that treatment of patients with hematologic malignancies and solid tumors with IMAK with (n=16) or without (n=40) targetting antibody is safe and potentially effective with no GVHD in patients with hematological malignancies and metastatic solid tumors. We are now investigating whether targeting of IMAK may be further improved using low energy acoustic shockwave therapy (AST) that may increase the perfusion of malignant tissue as well as increase binding of killer lymphocytes to cancer cells. Based on the cumulative experience we conclude that treatment with short-lived targeted IMAK may represent an effective future approach for personalized targeted cancer immunotherapy

 https://www.omicsonline.org/2161-069X/2161-069X.S1.023-049.pdf

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