نتایج جستجو برای: anastrozole
تعداد نتایج: 712 فیلتر نتایج به سال:
Males produce endogenous estrogen from testosterone via the enzyme aromatase. Previous studies have suggested a role for endogenous estrogens in cardiovascular function in men. We examined the effects of endogenous estrogen suppression via aromatase inhibition on endothelial function, systemic arterial compliance, and lipoprotein levels in healthy young men. Using a placebo-controlled double-bl...
BACKGROUND To study the short-term biological effect of anastrozole on serum estrogens, androgens, 17-hydroxyprogesterone (17OH-PGR), gonadotrophins, sex hormone binding globulin (SHBG) and bone metabolism markers. MATERIALS AND METHODS Thirty-four consecutive patients with advanced breast cancer received anastrozole 1 mg/day. Blood samples were taken before commencement of treatment and at 2...
PURPOSE The administration of aromatase inhibitors is associated with bone loss in postmenopausal women. We assessed changes in bone mineral density (BMD) from baseline to 60 months of treatment in patients receiving anastrozole as initial adjuvant therapy. METHODS Postmenopausal women with hormone receptor-positive breast cancer receiving anastrozole as adjuvant therapy at our center since 2...
We describe a woman with metastatic breast cancer treated with multiple rounds of prior cytotoxic and endocrine therapies, who presented with ipsilateral diaphragmatic paralysis. The use of anastrozole, a highly selective nonsteroidal aromatase inhibitor (1 mg daily), successfully induced remission of metastatic tumors in our patient, who is partially recovering from diaphragmatic paralysis.
PURPOSE Controversy exists about CYP2D6 genotype and tamoxifen efficacy. EXPERIMENTAL DESIGN A matched case-control study was conducted using the Austrian Breast and Colorectal Cancer Study Group Trial 8 (ABCSG8) that randomized postmenopausal women with estrogen receptor (ER)-positive breast cancer to tamoxifen for 5 years (arm A) or tamoxifen for 2 years followed by anastrozole for 3 years ...
BACKGROUND A systematic review was undertaken to review the evidence for the use of third-generation aromatase inhibitors (anastrozole, letrozole and exemestane) as adjuvant therapy for post-menopausal women with early-stage, hormone receptor-positive breast cancer and to develop and support recommendations for their use, with regard to three areas: aromatase inhibitors compared to tamoxifen, a...
PURPOSE To determine whether the Recurrence Score (RS) provided independent information on risk of distant recurrence (DR) in the tamoxifen and anastrozole arms of the Arimidex, Tamoxifen, Alone or in Combination (ATAC) Trial. PATIENTS AND METHODS RNA was extracted from 1,372 tumor blocks from postmenopausal patients with hormone receptor-positive primary breast cancer in the monotherapy arms o...
Três impurezas no intervalo de 0,08%-0,12% por área de pico foram detectadas no ingrediente farmacêutico ativo, anastrazol, por cromatografia líquida de alta eficiência (CLAE) em fase-reversa isocrática. Essas impurezas foram isoladas por prep-CLAE e caracterizadas por CL-EM/EM, CG/EM e dados experimentais de RMN. Com base nos resultados obtidos a partir de diferentes experimentos espectroscópi...
Aromatase (estrogen synthetase) is the enzyme complex responsible for the final step in estrogen synthesis--the conversion of androstenedione and testosterone to estrone and estradiol, respectively. Inhibitors of this enzyme have been shown to be clinically effective in the treatment of advanced breast cancer in postmenopausal women, in whom the major source of estrogen production derives from ...
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