A Randomized Trial of the Activity and Safety of Ro 24-7429 (Tat Antagonist) versus Nucleoside for Human Immunodeficiency Virus Infection
- 1 November 1995
- journal article
- clinical trial
- Published by Oxford University Press (OUP) in The Journal of Infectious Diseases
- Vol. 172 (5) , 1246-1252
- https://doi.org/10.1093/infdis/172.5.1246
Abstract
Ro 24-7429, a Tat antagonist, dosed at 75, 150, or 300 mg/day, was compared with nucleoside analogue (zidovudine or didanosine) for 12 weeks in 96 human immunodeficiency virus (HIV)-infected patients to assess safety and activity. The primary adverse effect of Ro 24-7429 was rash, which necessitated treatment discontinuation in 6 of 71 patients. Nucleoside analogue treatment produced an average increase in CD4 cell count of 28 cells/mm3 at week 8 versus a decrease of 27 cells/mm3 in recipients of Ro 24-7429 (P < .001). Serum HIV p24 antigen levels decreased by an average of 111 pg/mL in nucleoside recipients at week 8 compared with an increase of 41 pg/mL in recipients of Ro 24-7429 (P = .007). Nucleoside-treated patients had a mean 0.66 log10 reduction in infectious peripheral blood mononuclear cells, while Ro 24-7429 recipients had a mean 0.02 log10 reduction (P = .02). No dose-response relationships were observed in the Ro 24-7429 groups. In this study, Ro 24-7429 treatment showed no evidence of antiviral activity.Keywords
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