Chapter 19: Hepatitis & Liver Disease Flashcards
How is Hepatitis A transmitted
fecal-oral route through improper hand washing after exposure to an infected person or via contaminated food/water
How are Hep B and C transmitted
contact with infectious blood or other body fluids
Which type(s) of hepatitis has a vaccine
Hep A and B
First-line treatment for Hep A
Supportive therapy
First-line treatment for Hep B
PEG-INF or NRTI (tenofovir or entecavir)
First-line treatment for Hep C
Treatment naiive: DAA combination (2-3 with different mechs)
Other: DAA combination + RBV or DAA combination + RBV + PEG-INF
DAA treatment lasts 8-12 weeks
What is the purpose of ritonavir for HCV
used to boost levels of HCV protease inhibitors used with it
T/F: DAAs offer a cure for most patients with HCV
True
Which drug class ends in -previr
NS3/4A Protease inhibitor (P for PI)
Which drug class ends in -asvir
NS5A Replication Complex Inhibitor (A for NS5A)
Which drug class ends in -buvir
NS5B Polymerase Inhibitor (B for NS5B)
What do the protease inhibitors used for HIV and HCV have in common?
They are taken with food
Remember: PIG - Protease Inhibitors & Grub
Boxed warning for all DAAs
Risk of reactivating HBV
Warning for sofosbuvir-containing regimens
Serious symptomatic bradycardia has been reported when amiodarone is taken with sofosbuvir-containing regimen; do not use together
Sofosbuvir/velpatasvir brand name
Epclusa
Glecaprevir/pibrentasvir brand name
Mavyret
How are the tablets in Viekira Pak taken
2 tabs of paritaprevir/ritonavir/ombitasvir once daily in the morning and 1 dasabuvir tablet twice daily with meals
T/F: Sofosbuvir monotherapy is NOT effective and NOT recommended
True
Which HCV drugs must you avoid or minimize acid suppressive therapy with during treatment
Epclusa, Harvoni, & Vosevi
Which HCV drugs are pan-genotypic (approved for all 6 HCV genotypes) for treatment naive
Epclusa & Mavyret
CI for paritaprevir/ritonavir/ombitasvir (Technivie)
+ dasabuvir (Viekira Pak)
3A4 substrates or inducers & use with ethinyl estradiol, lovastatin & simvastatin
Warnings for paritaprevir/ritonavir/ombitasvir (Technivie)
+ dasabuvir (Viekira Pak)
Hepatic decompensation/failure in patients with cirrhosis, risk of increased LFTs, significant drug interaction potential
CI for Elbasvir/grazoprevir (Zepatier)
3A4 inducers
warnings for Elbasvir/grazoprevir (Zepatier)
Risk of increased LFTs, significant drug interaction potential