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Home: Oncology Leader Commentary: Andrew D. Seidman, MD

Click on the topic below for comments by Dr Andrew D. Seidman to comment on. You will also find links to related articles and clinical trials.

HER-2 and selection of adjuvant therapy
Adjuvant chemotherapy for node-positive patients
Adjuvant chemotherapy plus tamoxifen in ER+ patients
Aromatase inhibitors in women with increased risk of thromboembolic complications
Tamoxifen rechallenge in the metastatic setting
Trials of adjuvant Arimidex
Aromatase inhibitors in women who cannot receive adjuvant tamoxifen
Choice of aromatase inhibitors
Chemotherapy followed by endocrine therapy for metastatic disease
Herceptin for metastatic disease
Herceptin as a single agent for metastatic disease
HER-2 assays
Trials correlating activity of Herceptin with HER 2 assay
Effect of Herceptin in "HER2-negative" patients

Aromatase inhibitors in women who cannot receive adjuvant tamoxifen

Interview with Neil Love, MD from Breast Cancer Update for Medical Oncologists, Program 3 2000

Play Audio Below:

For patients where I’m concerned about thromboembolic risks — and those factors would be history of a thromboembolic event — clearly I would not even consider the use of tamoxifen and I’m totally comfortable with the use of Arimidex, for example. Patients with perhaps not history of deep vein thrombosis but a history of thrombophlebitis, patients with family history of coagulopathy even without the patients themselves being worked up for specific coagulopathy. Patients also who have other risk factors: morbidly obese, sedentary patients, patients with pre-existing severe edema or lymphadema of the ipsilateral arm from where they had axillary surgery. There are many scenarios that I think perhaps the risks might warrant the alternative use of an aromatase inhibitor as opposed to tamoxifen.

Relevant Articles:

Anastrozole versus tamoxifen as first-line therapy for advanced breast cancer in 668 postmenopausal women: Results of the tamoxifen or arimidex randomized group efficacy and tolerability study. Bonneterre, J.; Thurlimann, B.; Robertson, J. F. R.; Krzakowski, M.; Mauriac, L.; Koralewski, P.; Vergote, I.; Webster, A.; Steinberg, M., and von Euler, M. Journal of Clinical Oncology. 18(22):3748-3757, 2000 Nov 15.

Anastrozole is superior to tamoxifen as first-line therapy for advanced breast cancer in postmenopausal women: Results of a North American multicenter randomized trial.
Nabholtz, J. M.; Buzdar, A.; Pollak, M.; Harwin, W.; Burton, G.; Mangalik, A.; Steinberg, M.; Webster, A., and von Euler, M. Journal of Clinical Oncology. 18(22):3758-3767, 2000 Nov 15.

Relevant Clinical Trials:

Phase III Randomized Study of Letrozole Versus Placebo in Women with Resected Breast Cancer After Completion of Treatment with Adjuvant Tamoxifen

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