Gastroenterology Flashcards
Which of the following is first line treatment for Hepatitis C in Australia?
A. Sofosbuvir + velpatasvir + voxilaprevir
B. Grazoprevir + elbasvir
C. Glecapravir + pibrentasvir
D. Ledipasvir + sofsbuvir
C. Glecapravir + pibrentasvir for 8-12 weeks
Which class of HCV drug is glecapravir?
NS3/4A protease inhibitor
What class of drug is sofosbuvir?
Nucleoside (NS5B) polymerase inhibitor
What class of drug is voxilaprevir? When is it indicated?
NS3/4A protease inhibitor
Add to velpatasvir + sofosbuvir for refractory HCV
What class of drug is Velpatasvir?
NS5a inhibitor
What class of drug is dasabuvir?
Non-nucleoside NS5B polymerase inhibitor
Lanafibranor may be useful in which condition?
peroxisome proliferator–activated receptor agonist that reduces ballooning and lobular inflammation in NASH
Which of the following biologics is not helpful in UC? A. Vedolizumab B. Tofacitnib C. Secukinumab D. Ozanimod
C. Secukinumab - anti IL-17a, used in ank spond and psoriatic arthritis
Vedolizumab = anti-integrin a4B7, Tofacitnib =JAK inhibitor, Ozanimod = S1P receptor modulator
Where is iron absorbed?
Duodenum
Where is calcium absorbed?
Duodenum
Where is B12 absorbed?
Terminal ileum
Where are bile salts absorbed?
Terminal ileum
Where is folate absorbed?
Duodenum
Which class of HCV drugs should not be used in decompensated liver disease?
NS3/4a protease inhibitors, due to raised drug levels in setting of hepatic failure
Drug classes ending with -evir (i.e. glecaprevir, voxilaprevir, grasoprevir)
Which coagulation factors are not made in the liver?
FVIII (endothelial cell production), FXIIIa (megakaryocytes)