AntiLipidDrugs Flashcards
If patients have myalgia as a side effect on one statin can try the patient on another statin?
Yes. myalgia does not rule out the class altogether. Patients may tolerate a different statin – if failed multiple statins, change drug class
MOA of statins
Inhibits HMG-CoA reductase, reducing cholesterol synthesis.
Fibric acid derivatives MOA
Activates PPAR-alpha, increasing lipolysis and elimination of triglyceride-rich particles.
increase lipolysis of triglycerides via lipoprotein lipase, resulting in a decrease of 50% or more in triglyceride levels.
Bile acid sequestrants MOA
exchange chloride ions for negatively charged bile acids, promoting a 10-fold increase in bile-acid excretion.
Binds bile acids in the intestine, preventing their reabsorption
Increased clearance results in enhanced conversion of cholesterol to bile acids by the liver.
Bile acid sequestrants drugs
Cholestyramine (Questran), Colestipol (Colestid)
Fibric acid derivatives drugs
Gemfibrozil (Lopid), Fenofibrate (TriCor)
What class is Ezetimibe (Zetia), what is its MOA?
Inhibits absorption of cholesterol at the brush border of the small intestine.
Active liver disease is a contraindication for all antilipidemics except ?
the bile-acid sequestrants
Cholestyramine (Questran), Colestipol (Colestid).
Cholestyramine(Questran) can do what to Amio?
Decrease amio levels
How are bile acid sequestrants absorbed and distributed?
Cholestyramine and colestipol are not absorbed at all and have no distribution. Their action is entirely related to binding bile acids in the gut
Contrainidcation of Cholestyramine(Questran) and a caution for bile acid sequestrants
Cautious use of the bile-acid sequestrants is suggested for patients with a history of constipation. Phenylketonuria (PKU) is a contraindication.
Indication for Bile Acid Sequestrants
HLD
Cholestyramine(Questran) comes in what form
powder
bile-acid sequestrants’ major side effects are
Side Effects: Gastrointestinal disturbances (constipation, bloating).
Plasma half life of statins are generally short except
Atorvastatin half-life of which is 14 hours