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Cancer chemotherapy
Dr. Hardy
27
Medical
Graduate
10/13/2009

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Cards

Term
Mechlorethamine
Definition
Alkylating agent: Nitrogen Mustard
crosslinked DNA
most reactive
unstable, given IV
N&V, bone marrow, tissue damage with extravasation
Term
Cyclophosphamide
Definition
Alkylating agent: Nitrogen Mustard
crosslinked DNA
oral
prodrug, converted P450
N&V, CARDIAC, BLADDER BURN, bone marrow
Term
Ifosfamide
Definition
Alkylating agent: Nitrogen Mustard
crosslinked DNA
given IV with MESNA
converted by P450
N&V, NEURO, NEPHRO, bladder burn, cardiac toxicity, bone marrow
Term
Carmustine and Lomustine
Definition
Alkylating agent: Nitrosureas
inhibits DNA, RNA, protein synthesis
lipid soluble (BBB)
IV
BONE MARROW, N&V, PULMONARY, renal
Term
Busulfan
Definition
Aklyating agents: alkyl sulfonates
oral
N&V, BONE MARROW, pulmonary fibrosis
Term
Cisplatin
Definition
Platinum complexes
crosslinks with GG base pairs
IV
BOUND to plasma proteins
N&V, diarrhea, RENAL DAMAGE (reduced with hydration), OTOTOXICITY, NEUROPATHY (proprioception), bone marrow depression
Term
Carboplatin
Definition
Platinum complexes
longer half-life than cisplatin, less effective, less toxic
IV
less neuro/oto
Term
Methotrexate
Definition
Antimetabolite
analog of folic acid
oral, IV, IM, intrathecal
HEPATIC NECROSIS, bone marrow
Leucovorin can rescue
Term
Fluorouracil
Definition
Antimetabolite
fraudulent F-dUMP, inhibits thymidalate synthase
IV (TOXIC to GI)
Leucovorin POTENTIATES fluorouracil
Term
Capecitabine
Definition
Anti-metabolite
prodrug of fluorouracil
Term
6-Mercaptopurine
Definition
Antimetabolite
inhibits guanine synthesis
DNA strand breaks
TX: leukemia in children
oral, IV
metabolized in liver (TPMT, Xanthine oxidase)
bone marrow depression
Term
Cytarabine
Definition
Antimetabolite
cytosine arabinoside
aracytidine triphosphate
inhibits DNA elongation
IV
bone marrow depression
Term
Doxorubicin
Definition
Antibiotics
topoisomerase
IV
metabolized liver
CARDIO - free radical
extravasation
Term
Epirubicin
Definition
Antibiotic
topoisomerase
IV
CARDIO
interaction: cimetidine avoided
Term
Dactinomycin
Definition
Antibiotic
intercalates into DNA
topoisomerase
IV
does not cross BBB
severe local damage with extravasation
Term
Bleomycin
Definition
Antibiotic
copper chelating glycopeptide - free radical damage
IV, subQ, IM
no significant bone marrow tox
degraded by hyrdolase (low in LUNGS, skin)
Term
Vinca Alkaloids
(Vincristine
Vinblastine
Vinorelbine)
Definition
bind tubulin, inhibit polymerization
IV
Vincristine: mild bone marrow, axonal=sensory
Vinorelbine: bone marrow, mild neuro
Vinblastine: more marrow, mild neuro
Term
Paclitaxel
Definition
stablizes polymerized microtubules
IV
peripheral sensory neuropathy
Term
Etoposide
Definition
cause DNA breaks by blocking topoisomerase
oral, IV
bone marrow depression
sensory neuropathy
Term
Tretinoin
Definition
binds retinoid x receptor
retinoic acid syndrome: fever, dyspnea, weight gain, pulmonary infiltrates, pleural or pericardial effusions)
tx: acute promyelocytic leukemia
Term
Arsenic trioxide
Definition
uncouples mitochondrial oxidative phos
generates free radicals
arrhythmias
tx: relapsed acute promyelocytic leukemia
Term
exemestane
letrozole
anastrozole
Definition
aromatase inhibitors
block androgen -> estrogen
musculoskeletal pain, HA, joint pain, fatigue, difficulty breathing
tx: breast cancer
Term
tamoxifen
Definition
tyrosine kinase inhibitor
estrogen receptor
oral, metabolized liver
tx: estrogen-dependent breast cancer
Term
imatinib
Definition
gleevec
bcr-abl
chronic myelogenous leukemia
metabolized cyp3a4
bcr-abl detected by FISH
Term
trastuzumab
Definition
recognizes her2 receptors
metastatic breast cancer
toxicity: cardiomyopathy, infusion
Term
cetuximab
Definition
egfr or her1
tx: metastatic colorectal cancer
toxicity: severe infusion-related, acneiform rash
Term
bevacizumab
Definition
vegf (inhibition of angiogenesis)
tx: metastatic colorectal cancer
toxicity: hypertensino, proteinuria, congestive heart failure
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