Antiviral Drugs Flashcards
Herpes
Acyclovir
Acyclovir SimD
Valacyclovir, Penciclovir, Famciclovir, Docosanol
Activated by viral thymidine kinase to forms that inhibit viral DNA polymerase
Acyclovir
T/F: Acyclovir acts on strains of HSV even without thymidine kinase
False. Acyclovir act on strains of HSV WITH thymidine kinase
Inhibits HSV envelope fusion with plasma membranes
Docosanol
Inhibits viral DNA polymerase causing chain termination
Ganciclovir, Valganciclovir
CMV
Ganciclovir
Ganciclovir use
CMV, HSV, VZV
T/F: Ganciclovir acts on strains of HSV even without thymidine kinase
False. Ganciclovir act on strains of HSV WITH thymidine kinase
T/F: Cifodivir acts on strains of HSV even without thymidine kinase
True
CMV retinitis
Cifodivir, Foscarnet
Acyclovir-resistance
Cifodivir, Foscarnet
Ganciclovir-resistance
Cifodivir
Mucocutaneous HSV infection
Cifodivir
Molluscum contagiosum
Cifodivir
T/F: Foscarnet acts on strains of HSV even without thymidine kinase
True
AIDS with HSV
Forscarnet
Pyrophosphate analog
Foscarnet
Highly Active Antiretroviral Therapy drug combination
2 NRTI + 1 protease inhibitor
Nucleoside Reverse Transcriptase Inhibitor
Zidovudine
Non-nucleoside Reverse Transcriptase Inhibitor
Delavirdine, Efavirenz, Etravirine, Evirapine (E-VIR)
Inhibits HIV reverse transcriptase after phosphorylation by cellular enzymes
Nucleoside Reverse Transcriptase Inhibitor
Inhibits HIV reverse transcriptase with NO Phosphorylation
Non-nucleoside Reverse Transcriptase Inhibitor
Prevention of HIV vertical transmission
Nucleoside Reverse Transcriptase Inhibitor
Side effect of NRTI
Lactic acidosis with Hepatic steatosis
Zidovudine side effect
Bone marrow suppression
Abacavir side effect
Hypersensitivity
Didanosine side effect
Acute pancreatitis
Stavudine, Zalcitabine side effect
Peripheral neuropathy
Delavirdine, Nevirapine side effect
Rash and elevated AST/ALT
Efavirenz side effect
Teratogenic
Etraverin
Elevated cholesterol and triglycerides
Anti-HIV drugs that exhibit cross reaction
NNRTI
Anti-HIV drugs that does not exhibit cross reaction
NRTI
Protease inhibitor MOA
Inhibit viral protein processing
Protease inhibitor
Indinavir (-NAVIR)
Side effect of protease inhibitors
Metabolic syndrome - acanthosis nigricans, hyperlipidemia, fat redistribution, hyperglycemia, insulin resistance
Atazanavir side effect
peripheral neuropathy
Amprenavir side effect
rash
Indinavir side effect
Hyperbilirubinemia and Nephrolithiasis
Atazanavir, Fosamprenavir, Lopinavir, Nelfinavir, Saquinavir
GI distress and diarrhea
Binds to gp41 subunit of viral envelope glycoprotein preventing fusion of viral and cellular membranes
Enfuvirtide
Enfuvirtide side effect
Bacterial pneumonia
Blocks viral attachment via transmembrane chemokine receptor CCR5
Maraviroc
CCR5 receptor antagonist
Maraviroc
Influenza A
Amantadine, Rimandatine, Oseltamivir, Zanamivir
Influenza B
Oseltamivir, Zanamivir
Rubella
Amantandine
Inhibit early step replication and prevent uncoating by binding to M2 proton channels
Amantadine
Medium-sized vasculitis caused by Amantadine
Livedo reticularis
Obsolete Influenza treatment
Amantadine
Inhibits neuraminidase and decreases release of progeny virus
Oseltamivir
Effect of Oseltamivir on Influenza
Shorten duration of symptoms
Oseltamivir side effect
Gastrointestinal effects
Zanamivir side effect
Bronchospasm in asthma
AH1N1 DOC
Oseltamivir
Influenza DOC
Oseltamivir
Degrades viral RNA via activation of host cell RNAse
Interferon Alfa
Interferon Alfa use
HBV, HCV, Kaposi sarcoma, Genital warts
Contraindications of Interferon Alfa
Autoimmune disease
Cardiac Arryhthmia
Pregnancy
Inhibits HBV DNA polymerase
Lamivudine
T/F: Coinfection between HBV and HIV may increase the risk of pancreatitis with lamivudine use
True
HBV DOC
Interferon Alfa + Lamivudine
HCV DOC
Interferon Alfa + Ribavirin
Inhibits guanosine triphosphate formation
Prevent viral mRNA capping
Blocks RNA polymerase
Ribavirin
IV drug administered early that decreases mortality in viral hemorrhagic fevers
Ribavirin
West Nile and Ebola Virus
Ribavirin