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Employees of Medical College in Houston conduct clinical tests of cocaine vaccine, informs AP. The preparation forces immune system to generate antibodies which will neutralize a drug before its penetration into a brain - in result dose of cocaine loses any sense for a drug addict.

To make cocaine molecule familiar for immune system, scientific have attached it to a large aluminous molecule of comma bacillus toxin. Unlike the true cocaine, this chemical compound does not cause euphoria and addiction. However antibodies generated in an organism in response to preparation, can distinguish both a “hybrid” molecule, and pure cocaine.

Developers of a vaccine, the spouse Tom and Theresa Kosten, have apply for the third expanded stage of clinical tests at the end of the last year. It is expected, that about 300 patients with a long history of cocaine abuse will take part in the research. However, as researchers mark, even in case of the successful outcome, mass application of the preparation will be possible only in some years.