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Antiviral Agents. Antiviral Agents, Overview. Viruses are obligate intracellular parasites that consist of either double- or single-stranded DNA or RNA enclosed in a protein coat called a capsidSome viruses also possess a lipid envelope that, like the capsid, may contain antigenic glycoproteinsMos
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1. PHL 424 Antimicrobials
2. Antiviral Agents
3. Antiviral Agents, Overview
4. Antiviral Agents, Overview
5. Acyclovir, Overview
6. Acyclovir is converted to the monophosphate (MP) derivative by viral thymidine kinase, then to acyclovir-DP and acyclovir-TP by cellular enzymes
Uninfected cells convert very little or no drug to the phosphorylated derivatives Acyclovir, MOA
8. Acyclovir, Resistance and Adverse Effects
9. Zidovudine, Overview
10. Zidovudine, Clinical Uses, Resistance and Adverse Effects Efficacy has also been demonstrated in the treatment of HIV-associated dementia and thrombocytopenia
In pregnancy, a regimen of oral zidovudine beginning between 14 and 34 weeks of gestation (100 mg five times a day), i.v. zidovudine during labor (2 mg/kg over 1 hour, then 1 mg/kg/h by continuous infusion), and zidovudine syrup to the neonate from birth through 6 weeks of age (2 mg/kg every 6 hours) has been shown to reduce the rate of vertical (mother-to-newborn) transmission of HIV by up to 23%
Efficacy has also been demonstrated in the treatment of HIV-associated dementia and thrombocytopenia
In pregnancy, a regimen of oral zidovudine beginning between 14 and 34 weeks of gestation (100 mg five times a day), i.v. zidovudine during labor (2 mg/kg over 1 hour, then 1 mg/kg/h by continuous infusion), and zidovudine syrup to the neonate from birth through 6 weeks of age (2 mg/kg every 6 hours) has been shown to reduce the rate of vertical (mother-to-newborn) transmission of HIV by up to 23%
11. Interferon Alfa, Overview
12. Interferon Alfa, Mechanism of Action and Indications
14. Interferon Alfa, Adverse Effects