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  • Title: Safety, immunogenecity, and efficacy of an autoclaved Leishmania amazonensis vaccine plus BCG adjuvant against New World cutaneous leishmaniasis.
    Author: Armijos RX, Weigel MM, Calvopina M, Hidalgo A, Cevallos W, Correa J.
    Journal: Vaccine; 2004 Mar 12; 22(9-10):1320-6. PubMed ID: 15003662.
    Abstract:
    The safety, immunogenecity, and efficacy of two doses of an autoclaved-killed, whole cell Leishmania amazonensis vaccine (IFLA/BR/67/PH8) and BCG adjuvant (n = 750) against cutaneous leishmaniasis (CL) was compared with placebo (n = 756) in a randomized, placebo-controlled, blinded study. Systemic and local side-effects were more frequent in the vaccine than placebo group. Leishmanin skin test (LST) conversion was greater in the vaccine than placebo group 2 months after the second vaccination dose (74.4% versus 14.7%; P = 0.000001). The 26-month incidence of confirmed CL (n = 25) was similar between the vaccine (2.0%) and placebo groups (2.0% versus 1.3%; P > 0.05). LST conversion was not associated with CL protection and the vaccine did not offer significant protection against CL infection caused by L. Viannia spp. compared to placebo.
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