Patients may be eligible for this study if they:
- Are at least 18 years old.
- Are HIV-positive.
- Have herpes simplex virus (HSV) 2.
- Have received combination anti-HIV therapy for at least 2 months before entering the study.
- Have had 4 or more recurrences of ano-genital HSV (herpes infection of the anus and genitals) in the last 12 months. (If patient is taking medication to control HSV, then he/she must have had 4 or more recurrences of ano-genital HSV per year before beginning regular anti-HSV therapy, which is defined as therapy of 12 or more weeks.)
- Agree to use effective methods of birth control from 2 weeks before taking study drug, throughout the study, and for 4 weeks after completing the study. (A female may be eligible if not able to have children.)
Patients will not be eligible for this study if they:
- Have blood vessel disease.
- Are sensitive to acyclovir, Valtrex, famciclovir, or ganciclovir.
- Are unable to take medications by mouth.
- Have non-healed sores on the anus or genitals at beginning of study.
- Are using anti-herpes drugs. To be eligible for enrollment, patients currently using anti-herpes drugs must stop treatment with these drugs at the beginning of the study; however, therapy may be started again if the investigator finds it necessary.
- Are using interferon. Patients receiving interferon must stop interferon before beginning the study.
- Have kidney or liver problems.
- Are pregnant or breast-feeding.
- Have a type of HSV that is resistant to acyclovir, Valtrex, famciclovir, or ganciclovir.