ABSITE - oncology Flashcards
mechanism of cisplatin
cell-cycle non-specific alkylate DNA (covalent bond)
mechanism of carboplatin
cell-cycle non-specific alkylate DNA (covalent bond)
mechanism of oxaliplatin
cell-cycle non-specific alkylate DNA (covalent bond)
mechanism of cyclophosphamide
cell-cycle non-specific
alkylate DNA (covalent bond)
acrolein is active metabolite
mechanism of busulfan
cell-cycle non-specific alkylate DNA (covalent bond)
mechanism of bleomycin
cell-cycle non-specific alkylate DNA (covalent bond)
mechanism of streptozocin
cell-cycle non-specific
alkylate DNA (covalent bond)
glucose mimic to islet cells -> kills islet cells
mechanism of methotrexate
S-phase specific
inhibits dihydrofolate reductase -> inhibits purine/DNA synthesis
mechanism of 5-fluorouracil
S-phase specific
inhibits thymidylate synthase -> inhibits purine/DNA synthesis
mechanism of etoposide
S-phase specific
inhibits topoisomerase
mechanism of doxorubicin (Adriamycin)
S-phase specific
DNA intercalator
mechanism of alkaloids (vincristine, vinblastine)
M-phase specific
inhibits microtubules
mechanism of taxanes (docetaxel, paclitaxel)
M-phase specific
promote irreversible microtubule formation/stabilization
mechanism of irinotecan
S-phase specific
inhibits topoisomerase
mechanism of gemcitabine
S-phase specific
nucleoside analog
mechanism of anastrozole
aromatase inhibitor
mechanism of leuprolide
GnRH analog
mechanism of flutamide
anti-androgen
mechanism of trastuzumab (Herceptin)
monoclonal antibody
blocks HER/neu receptor
mechanism of bevacizumab (Avastin)
monoclonal antibody
blocks VEGF receptor
inhibits angiogenesis
mechanism of imatinib (Gleevec)
receptor tyrosine kinase inhibitor
binds c-kit (stem cell growth factor receptor)
mechanism of cetuximab (Erbitux)
monoclonal antibody
blocks EGF receptor
adverse effects of cisplatin
nephrotoxicity neurotoxicity ototoxicity hypocalcemia/hypomagnesemia severe peripheral neuropathy
adverse effects of carboplatin
(bone-)myelosuppression nephrotoxicity neurotoxicity ototoxicity hypocalcemia/hypomagnesemia peripheral neuropathy