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Pharm II (Chemo Id)
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What are the major classes of hormonal Theropy?
1. Anti estrogenic
2. Anti androgenic
3. Glucocorticoids
What is the Mech of action of Tamoxifen?
Toxicity?
Analog?
Blocks the Estrogen recepter (it is a weak estrogen)
- thromboembolic disease
- endometrial cancer
- hot flushes
- retinopathy
Faslodex (destroys the recepter)
Name some Aromatase Inhibitors
Aminogluthemide
Third Generations
anastrozole
letrozole
exemestane
When would you use Tamoxifen verses Aromatase Inhibators?
Tamoxifen--- used in both the pre and post menopausal settings.
Aromatase Inhibitors--- only be used in the post menopausal settings when the adrenal gland is the mojor source of the estrogen production.
Androgen Receptor Blockers are?
what is the toxicity?
Flutamide
Bicalutamide
Toxicity:
- hot flushes
- impotence
** andropause (in men)
LHRH analogs?
What is there Mech of action?
when is it used?
Toxicity?
Leuprolide and Goserelin
Decreases the pituitary release of both LH and FSH--> decreased estrogen and testosterone
Prostate and breast cancers
Flare effect, Impotence
What are the uses of Corticalsteroids?
What are some of the Toxicities?
- anti-nauseant
- appetite stimulant
- decreases cerebral edema
- co-analgesic
___________________
- fluid retention
- glucose intolerance
- proximal myopathy
- insomnia
- immunosuppression
- increased appetite
- skin changes
- stress ulcers
Name some of the Tyrosine kinase inhibitors
1. EGFR (HER-2)
-Lapetinib
2. EGFR (non HER-2)
-Gefitinib
-Eriotinib
3. VEGF
-Sunitinib
-Sorafanib
3. Product of mutated Oncogene
-Imatinib
What is the Mech of action of Imatinib?
Uses?
Toxicity?
-Inhibits TK activity or the protein product or BCR:ALB oncogene seen in CML
CML
GI stromal Tumors (expression c-KIt)
Myalgia, Diarrhea, fluid retention
Name some Mono clonal antibody EGFR target drugs?
1. trastuzumab
HER-2 expressing Breast cancers
Cardiac toxicity
2. cetuximab
k-ras wild-type colon cancer
3. panitunumab
k-ras wild-type colon cancer
Monoclonal antibodies with VEGF (receptor) target
bevacizumab
- Colon cancer
- Wound healing toxicity
Monoclonal antibodies for Lymphocyte receptors
1. CD 20 – rituxumab
-B-cell lymphoma
2. CD 52 – alemtuzumab
-B-cell lymphoma
temsir
olimus and
ever
olimus
M-TOR inhibitor
Proteosome inhitition?
Uses?
- Inhibited by bortezomib
- activity:
- multiple myeloma
- mantle cell lymphoma
What are some Biologics?
•Interferons
•Interleukins
•Tumor necrosis factors
What is the Mech of action of the interferons?
Uses?
Toxicity?
- attempt to control human
tumors by replicating this “interfering” property
Uses: Melanoma, RCC, Hairy cell leukemia, T-cell lymphoma, CML
Toxicity: Flu like symptoms, Myelosupression,
What are some Common Methodes of Tumor cell resistance to Chemotheropy?
1. increased expression of target proteins
2. increased DNA repair
3. failure of drugs to enter a cell or
increased efflux from cell regulated by multidrug resistance gene
4. inability of drug to penetrate tumor
5. target protein no longer available
6. target molecule altered
7. formation of trapping agent
8. decreased activation of prodrug
What are some Stratagies to Prevent resistance?
1. combination chemotherapy
2. dose intensity (1st does most important)
3. agents to reverse resistance
Resistance to Chemo may be inherited or aquired. Give examples
•May be inherent
eg. pancreatic cancer and gliomas
•May be acquired
eg. lymphoma and melanoma
Author
Anonymous
ID
58648
Card Set
Pharm II (Chemo Id)
Description
Pharm II (Chemo Id)
Updated
2011-01-08T17:51:12Z
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