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Revista Cubana de Medicina Tropical

versión impresa ISSN 0375-0760versión On-line ISSN 1561-3054

Resumen

MARTINEZ SANCHEZ, Raydel et al. Reactogenicidad e inmunogenicidad de la primera vacuna cubana contra la leptospirosis humana. Rev Cubana Med Trop [online]. 1998, vol.50, n.2, pp.159-166. ISSN 0375-0760.

A controlled double blind trial was conducted with the participation of 80 adult volunteers of both sexes, who were randomly divided into groups of 40 individuals each one. The case-base study received the vaccine and the control group was administered placebo to know the safety, the behaviour of reactogenecity, and to star the immunogenecity studies of the first Cuban vaccine against human leptospirosis. The vaccine used in the case-base study was an inactivated and trivalent vaccine containing strains of Leptospira canicola, incterohaemorrhagiae and pomona, since they have the highest circulation in the country. The results obtained showed the inocuity of the vaccine as no adverse severe reactions were detected. The general symptomatology observed was low, where as febricula was the most common general symptom. It appeared during the first 3 days of observation and there were no significant differences between the 2 group. Only a mild pain at the site of the injection was reported as a local symptom, which was more frequent in the vaccinated group than in the control group (7,8 against 1,5 %, respectively). The seroconversion obtained was of 29 % by microagglutination, and of 34,2 % by ELISA. The final results allowed to conclude that this vaccine is safe for human adults at the ages under study, and give the possibility to continue other studies in more advanced stages to complete the requierements for obtaining its license.

Palabras clave : LEPTOSPIROSIS [IMMUNOLOGY]; VACCINES [immunology]; RANDOMIZED CONTROLLED TRIALS.

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