Poll Which of these drugs are you taking? ArimidexNolvadexZoladex view results Note: All clinical content on this site is physician-reviewed, except material generated by our community members. Drug Interactions Exemestane is metabolized by cytochrome P450 CYP 3A4 and aldoketoreductases, and arimidex comprar online em estoque does not inhibit any of the major CYP isoenzymes, including CYP1A2, 2C9, 2D6, 2E1, and 3A. Doctors need to test to see if the HER2 drugs will work using tests made by companies such as Monogram Biosciences, Genomic Health, and Life Technologies. Trial 0027 showed ARIMIDEX was at least as effective as tamoxifen for objective tumor response rate and time to tumor progression see Table and Figure. It significantly lowers serum estradiol concentrations and has no detectable effect on formation of adrenal corticosteroids or aldosterone.