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2004 OCT 6 - (NewsRx.com & NewsRx.net) -- An HIV subtype B and E prime-boost vaccine combination was safe and immunogenic in HIV-negative Thai adults.
"ALVAC-HIV (vCP1521) and AIDSVAX B/E were evaluated in a phase 1/2 trial of human immunodeficiency virus (HIV)-negative Thai adults. Of 133 volunteers enrolled, 122 completed the trial. There were no serious vaccine-related adverse events, nor were there intercurrent HIV infections. Lymphoproliferative responses to glycoprotein 120 E were induced in 63% of the volunteers, and HIV-specific CD8 cytotoxic T lymphocyte responses were induced in 24%," an international team of investigators reports.
"Antibody responses increased in frequency and magnitude in association with the dose level of AIDSVAX B/E," said Sorachai Nitayaphan at the Armed Forces Research Institute of Medical Sciences in Bangkok and fellow members of the Thai AIDS Vaccine Evaluation Group. "Binding and neutralizing antibodies to the MN strain were induced in 100% and 98%, respectively, of the volunteers receiving 600 mcg of AIDSVAX B/E, and such antibodies to E strains were induced in 96% and 71%, ...