Antivirals Flashcards
Inhibits guanine nucleotide synthesis by inhibiting inosine monophosphate dehydrogenase
Ribavirin
Tx for RSV, HepC
Toxicity
Ribavirin
Anemia, Teratogen
Guanosine analog
Inhibits viral DNA polymerase
HSV/VZV thymidine kinase
Acyclovir, Famcyclovir, Valacyclovir
Tx for HSV, VZV
Toxicity
Acyclovir
Valacyclovir - better oral bioavailability
Famciclovir - herpes zoster
Crystalline neuropathy, acute renal failure
Guanosine analog
Inhibits viral DNA polymerase
CMV viral kinase
Ganciclovir
Tx for CMV
Toxicity
Ganciclovir
Valgancyclovir - better oral bioavailability
Leukopenia, neutropenia, thrombocytopenia, renal toxicity
Viral DNA pol inhibitor
Binds to pyrophosphate binding site
Foscarnet
Tx CMV retinitis
Toxicity
Foscarnet
Nephrotoxicity
Protease inhibitors toxicity
Hyperglycemia, lipodystrophy, hematuria
NRTIs toxicity
Bone marrow suppression Peripheral neuropathy - nucleosides Lactic acidosis - non nucleosides Anemia - zdv Pancraetitis - didanosine
NNRTIs toxicity
Rash and hepatotoxicity
Vivid dreams, CNS symptoms - Efavirenz
Contraindicated in pregnancy - Delavirdine, Efavirenz
Raltegravir toxicity
Hypercholesterolemia
Enfuvirtide MOA
Binds gp41, inhibiting entry
Maravaroc MOA
Binds CCR , inhibiting interacts with gp120
Raltegavir MOA
Reversible inhibits HIV integrase