Pharmacology Flashcards
Clinical use nitroureas
brain tumors
Mechanism:
5-FU
PYrimidine analog inhibits thymidylate synthase
Etoposide/teniposide MOA
inhibit topoisomerase II
Vemurafenib MOA
small molecule inhibitor of BRAF+ melanoma
Imatinib toxicity
edema
Trastuzumab toxicity
heart
Mechanism:
Cytarabine
Pyrimidine analog inhibits DNA polymerase
Cisplatin/carboplatin toxicity
- Nephro: prevent with amifostine
- Oto
Erlotinib toxicity
rash
Imatinib clinical use
CML, GIST
Rituximab MOA
Monoclonal antibody against CD20
Tamoxifen/raloxifene MOA
SERM - antagonist breast, agonist bone
Trastuzumab MOA
Monoclonal antibody against HER-2 (c-erbB2), a tyrosine kinase receptor
Paclitaxel MOA
prevent mitotic spindle breakdown
Mechanism:
Bleomycin
Free radical formation induces DNA strand breaks
Toxicity
Dactinomycin
Myelosuppression
Erlotinib Clinical Use
NSCLC
Paclitaxel toxicity
- myelosuppression
- alopecia
- hypersensitivity
Tamoxifen toxicity
endometrial cancer
hot flashes
Microtubule inhibitors act on what cell cycle phase
M
vinblastine toxicity
- myelosuppression
Clinical use busulfan
CML and bone marrow ablation
Cell cycle phase
Cladribine (2CDA)
S
Vincristine/vinblastine MOA
bind beta-tubulin to prevent mitotic spindle formation
Does raloxifene increase endometrial CA risk
no
Toxicity
Doxorubicin
DCM
Myelosuppression
Alopecia
Bevacizumab MOA
VEGF monoclonal antibody
Clinical use
Bleomycin
Testicular cancer
Hodgkin Lymphoma
Mechanism:
MTX
Folic acid analog inhibits dihydrofolate reductase
Toxicity:
Cytarabine
Pancytopenia
Irinotecan/topotecan MOA
inhibits topoisomerase I
Toxicity
Busulfan
- Myelosuppression
- Pulmonary fibrosis
- hyperpigmentation
Cisplatin/carboplatin MOA
cross link DNA
Bevacizumab toxicity
- hemorrhage
- blood clots
- impaired wound healing
Imatinib MOA
tyrosine kinase inhibitor BCR-ABL and c-kit
Cisplatin/carboplatin clinical use
testicular, bladder, ovary, lung
Nitroureas toxicity
CNS
Vincristine toxicity
- neurotoxic
- paralytic ileus
Hydroxyurea MOA
inhibits ribonucleotide reductase
increases HbF concentration
Toxicity:
Azathiprine, 6MP, 6TG
Myelosuppression
Allopurinol and febuxostat toxicity
Cell cycle phase
MTX
S
Cell cycle phase:
Azathioprine
S
What is given to prevent DCM 2/2 doxorubicin
Dexrazoxane
Mechanism:
Dactinomycin
Intercalates DNA
Hydroxyurea toxicity
- severe myelosuppression
- GI upset
Mechanism:
Cladribine (2CDA)
Purine analog
Give mesna with what drug to prevent what
cyclophosphamide
hemorrhagic cystitis
Clinical use
Dactinomycin
Childhood tumors: Wilm’s, Ewing, etc
Paclitaxel clinical use
ovarian and breast CA
Location of DNA cross link in cyclophosphamide
Guanine N7
What drug class
Paclitaxel
vincristine
vinblastine
microtubule inhibitors
MTX toxicity
- myelo, leucovorin-reversible
- hepato
- mucositis
- pulmonary fibrosis
Hydroxyurea cell cycle phase
S
Clinical use:
Cladribine (2CDA)
Hairy cell leukemia
Cell cycle phase
5FU
S
Mechanism:
Azathioprine
6MP
6TG
Purine analog decreases purine synthesis
Toxicity
Cyclophosphamide
ifosfamide
- Myelosuppression
- hemorrhagic cystitis
Rituximab Toxicity
Progressive multifocal leukoencephalopathy
Mechanism:
Doxorubicin
Free radical formation
Alkylating agent MOA
Cross links DNA
Etoposide/teniposide toxicity cell cycle phase
S/G2
Topical used to treat basal cell CA
5FU
What drug class:
Bleomycin
Dactinomycin
Doxorubcin
Antitumor antibiotics
Toxicity
Cladribine (2CDA)
- Myelo
- Nephro
- Neuro
What drug class
Bisulfan
cyclophosphamide
ifosfamide
carmustine
lomustine
semustine
streptozocin
Alkylating agents
Antimetabolites act on what cell cycle phase
S
Erlotinib MOA
EGFR tyrosine kinase inhibitor
Toxicity
Bleomycin
Pulmonary fibrosis
skin hyperpigmentation
mucositis
Cell cycle phase
Cytarabine
S
5FU toxicity
myelo, not reversible with leucovorin (folinic acid)
irinotecan/topotecan toxicity
- severe myelosuppression
- diarrhea
Antitumor antibiotics affect what cell cycle stage
G2