التفاصيل البيبلوغرافية
| العنوان: |
Adjuvant endocrine therapy for postmenopausal breast cancer in the era of aromatase inhibitors: an update. |
| المؤلفون: |
Mokbel, Ramia1 ramiamokbel@yahoo.co.uk, Karat, Isabella1 isabella_tytler@yahoo.com, Mokbel, Kefah1,2 kefahmokbel@hotmail.com |
| المصدر: |
International Seminars in Surgical Oncology. 2006, Vol. 3, p31-4. 4p. |
| مصطلحات موضوعية: |
*BREAST cancer, *CANCER patients, *CYTOCHROME P-450, *HORMONE therapy, *PROGESTERONE receptors, *STEROID hormones |
| مستخلص: |
There is overwhelming evidence that optimal adjuvant endocrine therapy for hormone sensitive breast cancer in postmenopausal women should include a third generation aromatase inhibitor (AI). On current evidence, adjuvant anstrozole or letrozole should be used upfront in such patients especially in those with high risk disease (node positive and/or tumours > 2 cm). The sequential approach of tamoxifen for 2–3 years followed by exemestane or anastrozole for 2–3 years is a reasonable alternative to 5 years of AI monotherapy in patients with low risk disease (node negative and tumour smaller than 2 cm) especially if the tumour is positive for estrogen and progesterone receptors. Node-positive patients completing 5 years of adjuvant tamoxifen should be offered letrozole for up 48 months. Further research is required to establish the long-term cardiovascular safety of AIs especially that of letrozole and exmestane, the optimal AI to use, duration of AI therapy and whether monotherapy with an AI for 5 years is superior to sequencing an AI after 2–3 years of tamoxifen. The bone mineral density (BMD) should be measured at baseline and monitored during therapy in women being treated with AIs. Anti-osteoporosis agents should such as bisphosphonates should be considered in patients at high risk of bone fractures. [ABSTRACT FROM AUTHOR] |
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