Viral and Fungal Pharmacology Flashcards
Anti-Fungal: ______ is similar to Amphotericin B but severe side effects limit its use to topical administration
Nystatin
Anti-Fungal: available IV
Amphotericin B, Echinocandins, Ketoconazole, Pentamidine
Anti-Fungal: Available IV/IM and via inhalation
Pentamidine
Anti-Fungal: Binds to ergosterol and opens pores in fungal cell membrane
Amphotericin B
Anti-Fungal: Binds to microtubules and inhibits fungal mitosis
Griseofulvin
Anti-Fungal: Converted to 5-fluorouracil by ________ and interferes with DNA synthesis.
Flucytosine; deaminase
Anti-Fungal: Echinocandins
Caspofungin, Anidulafungin, Micafungin
Anti-Fungal: Fungicidal Classes
Amphotericin, Echinocandins (some), Terbinafine
Anti-Fungal: Fungicidal drug with side effects of GI upset, rash, headache, taste disturbance, and CYP disturbance
Terbinafine
Anti-Fungal: given with amphotericin B for Cryptococcus, candidiasis, and chromoblastomycosis
Flucytosine
Anti-Fungal: Imidazole
Ketoconazole, Cotrimazole, Miconazole
Anti-Fungal: Imidazole that is available orally and IV
Ketoconazole
Anti-Fungal: Imidazole with hepatic metabolism and excretion in breast milk
Ketoconazole
Anti-Fungal: Inhibit protein and nucleic acid synthesis, Treat protozoa
Pentamidine
Anti-Fungal: Inhibit synthesis of cell wall component glucan
Echinocandins
Anti-Fungal: Inhibition of viral CYP450 leading to decrease in _____ synthesis
Triazoles Imidazoles; sterol
Anti-Fungal: Poor oral absorption that is improved with administration of fatty acids
Griseofulvin
Anti-Fungal: severe adverse reactions including nephrotoxicity, infusion-related toxicities, and anemia
Amphotericin B
Anti-Fungal: Side effects of n/v, anorexia, pruritis, hepatotoxicity, teratogenicity, and drug interactions (strong inhibitor of CYP3A4)
Ketoconazole
Anti-Fungal: Terbinafine: interfere with _______ synthesis by inhibition of ________.
ergosterol; squalene oxidase
Anti-Fungal: Triazole that enters CSF well
Fluconazole
Anti-Fungal: Triazole with Hepatic metabolism
Itraconazole
Anti-Fungal: Triazole with topical use only
Terconazole
Anti-Fungal: Triazoles
Fluconazole, Itraconazole, Voriconazole, Terconazole
Anti-Fungal: used for severe superficial dermatoytosis
Griseofulvin
Anti-Fungal: Used in life-threatening systemic fungal infections, especially in immunosuppressed patients
Amphotericin B
Anti-Fungal: used primarily for invasive aspergillosis
Caspofungin, Anidulafungin, Micafungin
Anti-Fungal: Which has greater selective toxicity? Imidazoles or Triazoles?
Triazoles
CMV Drugs: administered IV
Ganciclovir, Foscarnet
CMV Drugs: Compete with dGTP for viral polymerase
Ganciclovir, Valganciclovir
CMV Drugs: Does not require cellular activation
Foscarnet
CMV Drugs: Good oral bioavailability
Valganciclovir
CMV Drugs: Initial phosphorylation by ________; then phosphorylation by _______
viral UL97; cellular protein kinases
CMV Drugs: inorganic pyrophosphate analog
Foscarnet
CMV Drugs: less selective toxicity than acyclovir because host kinase can also perform first phosphorylation step
Ganciclovir, Valganciclovir
CMV Drugs: side effects of severe nephrotoxicity and hypocalcemia, as well as CNS disturbances
Foscarnet
Herpes Drugs: Available IV
Acyclovir
Herpes Drugs: Available orally
Valacyclovir, Famciclovir
Herpes Drugs: Available topically only
Penciclovir, Vidarabine/Trifluridine, Docosanol
Herpes Drugs: Inhibit Viral Genome Replication
Acyclovir, Valacyclovir, Penciclovir, Famciclovir, Vidarabine/Trifluridine
Herpes Drugs: Inhibitor of Viral Genome Replication are initially phosphorylated by ________, and then further phosphorylated by ________.
Viral thymidine kinase; cellular protein kinases
Herpes Drugs: Inhibitor of Viral Penetration
Docosanol
Herpes Drugs: Mechanisms of Action
Inhibit Viral genome replication, Inhibit Viral Penetration
Influenza Drugs: Cover Flu A and B
Oseltamavir, Zanamivir, Peramivir
Influenza Drugs: Hepatic Excretion
Rimantidine
Influenza Drugs: Inhalation
Zanamivir
Influenza Drugs: Inhibition of Neuraminidase (3)
Oseltamavir, Zanamivir, Peramivir
Influenza Drugs: Inhibition of Viral Uncoating (2)
Amantidine, Rimantidine
Influenza Drugs: IV
Peramivir
Influenza Drugs: Modes of Action (2)
Inhibit Neuraminidase, Inhibit Viral Uncoating
Influenza Drugs: Side effects of bronchospasm in patients with COPD or asthma
Zanamivir
Influenza Drugs: Sides effects of insomnia, concentration difficulty, lightheadedness/ dizziness
Amantidine
RSV Drugs: Inhibit Viral RNA expression
Ribavirin
RSV Drugs: Main side effects of Ribavirin (2)
Hemolytic Anemia; Highly teratogenic
RSV Drugs: Mechanisms of Action
Inhibit Viral RNA expression, Prophylaxis
RSV Drugs: Prophylactic, uhmanized monoclonal antibody to _______
Palavizumab; F glycoprotein
RSV Drugs: Ribavirin is phosphorylated by _______ and inhibits ______
cellular kinases; viral mRNA capping