Anitvirals Flashcards
(Val)Acyclovir
nucleoSide analogue → polymerase
HSV, VZV
Val=PO / Acyc=PO,IV,topical
well tolerated, rare renal and neurologic
Famciclovir
nucleoSide analogue → polymerase
HSV, VZV
Penciclovir
nucleoSide analogue → polymerase
HSV
topical?
Trifluorothymidine
nucleoSide analogue → polymerase
HSV
(Val)Ganciclovir
nucleoSide analogue → polymerase
CMV
Val=PO / Gan=PO,IV,intraocular
myelosuppresion, headache, fever, rash
Cidofovir
nucleoTide analogue → polymerase
CMV
IV
nephrotoxic, GI, neutropenia
Foscarnet
pyrophosphate analogue → polymerase
HSV, CMV
IV
dirently nephrotoxic, penile ulcers
Fomivirsen
anti-sense RNA → translation
CMV-retinitis
Amantadine
ion channel blocker (HA) → uncoating
Influenza A
PO
reversibly neurotoxic, nausea, dry mouth
Rimantadine
ion channel blocker (HA) → uncoating
Influenza A
PO
reversibly neurotoxic (less common), nausea, dry mouth
Oseltamivir
sialic acid analogue (NA) → virus release
Influenza A and B
PO
nausea, vomiting
Zanamivir
sialic acid analogue (NA) → virus release
Influenza A and B
inhalation
bronchospasm, nasuea, vomiting, diarrhea
Ribavirin
nucleoside analogue → viral mRNA
RSV, HCV, Lassa
PO,IV,inhalation
hemolytic anemia, headache, rash, highly teratogenic
Palivizumab
monoclonoal antibody → virus entry
RSV
Interferon-α
immunomodulator → host factors
HCV, HBV?, HPV
SC
flu-like symptoms, depression, myelosuppresion, rash, alopecia, retinopathy