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In this study, the investigators evaluated a therapeutic HIV-1 DNA vaccine administered with a novel topical application method to 12 chronically HIV-infected cART treated patients. The HIV DNA plasmids used in this study encode for envelope gp160 of HIV-1 subtypes A, B and C, rev B, Gag A and B and reverse transcriptase (RT) B. The patients were randomly assigned to three groups; group 1 (n=4) were immunized six times with 0.4 mg of HIV DNA plasmids topically, group 2 (n=4) were immunized six times with 0.4 mg of HIV DNA plasmids topically and treated with 500 mg of hydroxyurea daily until visit 10, group 3 (n=4) four patients received placebo. The immunization was performed during three cycles of 7 weeks of cART followed by four weeks of therapy interruption. After the last cycle of cART the patients were maintained on a definitive treatment interruption until CD4+ T cell counts dropped below 350/ mm3 at two time points. Cellular and humoral immune responses, viral load and CD4+ T a cell count was analysed throughout the study.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
HIV DNA Vaccine
Swedish Institute for Infectious Disease Control
Published on BioPortfolio: 2014-08-27T03:13:03-0400
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DNA sequencing is the process of determining the precise order of nucleotides within a DNA molecule. During DNA sequencing, the bases of a small fragment of DNA are sequentially identified from signals emitted as each fragment is re-synthesized from a ...