Cancer vaccines
and HIV/AIDS vaccines

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New partner in Turkey

Hasbiotech is Recombio´s exclusive partner in Turkey. For more information on how to get access to Vaxira® in this territory please contact:

Bugraer Aslan

Tel.: 0 216 339 81 49 (Ext:120)
Fax: 0 216 340 50 38


ASCO 2013

Racotumomab was safeand showed a promising survival improvement in advanced NSCLC patients in progression after first line onco-specific treatment (presented at ASCO 2013).

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ESMO 2012

A randomized, placebo controlled, double blind clinical trial with NSCLC patients shows increased in overall survival for racotumomab treatment (presented at ESMO 2012).

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Oncotic necrosis is induced by racotumomab treatment

Oncotic necrosis is induced by racotumomab treatment. Racotumomab immunotherapy of NSCLC patients induces anti-NeuGcGM3 antibodies , whose titer correlates with longer survival. The elicited antibodies kill tumor cells in vitro through a complement-independent mechanism. Rather, it involves cytoskeleton reorganization and the formation of wide cell membrane lesions and cellular swelling.

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NeuGc-GM3/VSSP treatment is safe and immunogenic

NeuGc-GM3/VSSP treatment is safe and immunogenic. Metastatic breast cancer patients were included in a phase II clinical trial in Camagüey, Holguín, Villa Clara and Santiago de Cuba. NeuGc-GM3/VSSP treatment was safe as compared to the best available clinical support and induced IgM and IgG antibodies capable of binding NeuGc-GM3 con cancer cells and of inhibiting NeuGc-GM3-mediated loss of function of T lymphocytes.

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Immunohistochemical studies performed at the J. P. Garrahan Pediatric Hospital, Buenos Aires, Argentina.

Reported studies for the first time the expression of N-glycolylated gangliosides in pediatric solid tumors. Around 88% of the specimens of Wilms tumor analysed were stained by the 14F7 monoclonal antibody, a mouse IgG1 that specifically recognizes NeuGc-GM3. Of note, no NeuGc-GM3 was detected in all samples of nontumoral kidney tissue analysed. The authors argue that the implementation of NeuGc-GM3-targeted immunotherapy alone or in combination with the current chemotherapeutic protocols might reduce the need for high-dose cytotoxic drugs or improve the outcome in chemotherapy-resistant patients.


Molecular modelling collaborative studies.

Molecular modelling collaborative studies performed at the Center of Molecular Immunology and the University of Oslo pinpointed the sequences of P3, an anti-ganglioside antibody, involved in the interaction with both its immunogen (ganglioside N-glycolyl GM3) and the anti-idiotypic antibody racotumomab. The binding sites to the latter ligands partially overlap. The authors speculate on the immunogenetic mechanisms that might explain racotumomab's capacity to induce a P3-like anti-ganglioside immune responses.

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Characterization of the antibody response against NeuGcGM3 ganglioside in non-small cell lung cancer.

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