Pfizer Pharmaceuticals

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$0.00
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$60.00
ALDACTONE
20TAB * 25MG/TAB - 20TAB * 100MG/TAB
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$0.00
AROMASIN

25MG/TAB * 30TAB

Pharmacology
Exemestane is an irreversible, steroidal aromatase inactivator. It is structurally related to androstenedione, and is converted to an intermediate that irreversibly blocks the active site of the aromatase enzyme, leading to inactivation ("suicide inhibition") and thus preventing conversion of androgens to estrogens in peripheral tissues. Significantly lowers circulating estrogens in postmenopausal breast cancers where growth is estrogen-dependent.


Absorption
Rapid and moderate (~42%) following oral administration; AUC and Cmax increased by 59% and 39%, respectively, following a high-fat breakfast (compared to fasted state).


Metabolism
Extensively hepatic; oxidation (CYP3A4) of methylene group, reduction of 17-keto group with formation of many secondary metabolites; metabolites are inactive.


Time to Peak
1.2 hours.


Half-Life Elimination
~24 hours.


Detection Time
~14 days.

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$60.00
DOSTINEX
0,5MG/TAB - 8TABS
$40.00
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