Pharm antineoplastic Agents III, Intercalation/Oxidative scission Flashcards
Antibiotics (class): Bleomycin, Dactinomycin (low yield?) (members) MOA and what phase of the cell cycle
- Fe (+2/+3) mediated free radical generation (superoxide/HYDROXY RADICALS)–DNA strands break
- G2 phase
*Anthracyclines (class): Doxorubicin ( or any -rubicin) MOA and what phase of the cell cycle
- INHIBIT TOPOISIMERASE II
- FREE RADICAL generation (superoxide/ HYDROGEN PEROXIDE)–DNA strand breaks
- -DNA intercalating agents
- S-phase
Anthracyclines (class): Mitoxantrone (low yield?) (members) MOA
-Inhibit topoisomerase II
Bleomycin uses
-testicular cancer (with other drugs)
Doxorubicin (all -rubicin) uses
-breast, ovarian (lots of others)
Mitoxantrone uses
-breast, prostate, non-Hodgkins lymphoma
*Bleomycin Dose limiting Toxicity
-PULMONARY FIBROSIS
*Doxyrubicin (and all -rubicin) Dose Limiting Toxicity
-CARDIOTOXICITY, DIALATED CARDIOMYOPATHY, CHF
Mitoxantrone Dose Limiting Toxicity (low yield?)
CARDIOTOXICITY, DIALATED CARDIOMYOPATHY, CHF