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- Title
The in-vitro and in-vivo efficacy of cisplatin and analogues in the treatment of herpes simplex virus-II infections.
- Authors
Snyder, Michael B.; Saravolatz, Louis D.; Markowitz, Norman; Pohlod, Donald; Taylor, R. Craig; Ward, Sarah G.; Snyder, M B; Saravolatz, L D; Markowitz, N; Pohlod, D; Taylor, R C; Ward, S G
- Abstract
The antitumour effect of cisplatin results from cross-linking and disruption of DNA when it binds to DNA bases, especially cytosine and guanine. Since herpes simplex virus (HSV) has a high cytosine and guanine content, cisplatin might be expected to have an antiviral effect against HSV. The 50% inhibitory concentration of cisplatin for HSV-II was 0.06 mg/l. Six of ten platinum analogues had 50% inhibition of plaques at less than or equal to 10 mg/l. We evaluated the in-vivo activity of cisplatin against the MS strain of HSV-II in the mouse genital HSV model. Mice were treated either intraperitoneally or intravaginally beginning at 3 or 51 h after inoculation. In the intraperitoneally treated groups infection rates were lower, but not significantly; 4 of 15 in the 3-h and 7 of 15-h group, compared to 9 of 15 in the untreated control group (P greater than 0.18, chi-square test). Intravaginal cisplatin demonstrated a significant reduction of the infection rate from 10 of 15 untreated controls, compared to 5 of 18 in the 3-h and 5 of 17 in the 51-h group (P less than 0.05, chi-square test). No toxic effects of intravaginal cisplatin were seen in uninfected mice. These studies suggest that platinum containing drugs warrant further evaluation as a new class of antiviral agents with activity against HSV.
- Publication
Journal of Antimicrobial Chemotherapy (JAC), 1987, Vol 19, Issue 6, p815
- ISSN
0305-7453
- Publication type
journal article