Hema Drugs Flashcards
Heparin Antidote
Protamine Sulfate
Warfarin Antidote
Vitamin K
Dabigatran antidote
Idarucizumab
Direct Factor Xa Inhibitor (e.g., Apixaban, edoxaban, rivaroxaban)
Andexanet Alfa
Aspirin
Irreversible block in COX therefore causing dec TXA2
Clopidogrel, ticagrelor, ticlopidine
MOA: Blocks P2Y12 receptor — dec ADP-induced expression if GpIIb/llla
Clilostazol, dipyridamole
Blocks phosphodiesterase and decrease cAMP in plt
Thrombolytics (alteplase, streptokinase, reteplase)
Aids in conversion of plasminogen to plasmin — cleaves thrombin and fibrin clots
INC PT/aPTT, no change in platelet count
Bleomycin
Induce Free radicals → breaks in DNA of tumor cells
Dactinomycin (actinomycin D)
Intercalates on DNA → prevents RNA synthesis
Anthracyclins (doxonibicin, daunorubicin)
Generate Free radicals
Breaks DNA → Dec replication
Inhibits topoisomerase 2
Thiopurines
Decrease de novo purine synthesis
Cladribine
Inhibits ADA → DNA strand breaks
Cytarabine
DNA chain termination DNA
inhibits DNA polymerase
5-FU and MTX
Dec DTMP → Dec DNA synthesis