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Home: Oncology Leader Commentary: Nancy E. Davidson, MD

Click on the topic below for comments by Dr Nancy E. Davidson to comment on. You will also find links to related articles and clinical trials.

Intergroup study of adjuvant ovarian suppression
Main results of Intergroup adjuvant premenopausal study
Management of node-postive, ER+ premenopausal patients
Ovarian ablation after chemotherapy in patients who continue to menstrate
Harvey study of estrogen receptors
Use of adjuvant tamoxifen
Choice of aromatase inhibitor
Management of metastatic disease in younger women
Combined endocrine therapy in premenopausal patients with metastases
Tamoxifen for patients with DCIS
Psychosocial issue in young breast cancer patients
Risk for recurrence and use of cytotoxic therapy
Use of prognostic factors in invasive breast cancer

Use of adjuvant tamoxifen

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

Play Audio Below:

I use a lot more tamoxifen. Again, because I have this younger women group, I think I didn’t apply tamoxifen as liberally in the past as I do now – since I would use it pretty frequently for women with positive receptors. You know, almost any tumor type – even if you look again at this presentation we’re going to hear from the NSABP – even the smallest tumors it looked like there was some benefit from the tamoxifen. I think probably the majority of younger women are going to be receptor-positive by our modern definitions, which include immunohistochemistry and which also include defining either positive estrogen receptor or positive progesterone receptor as positive. I think that’s the other thing that changed. A lot of our trials in the past looked only at ER, whereas now in our trials, when we define receptor-negative, you have to have both those things be negative, the sense is that either positive is a positive.

Relevant Articles:

Is adjuvant tamoxifen used optimally in the treatment of breast cancer? Results of an Italian survey. Valentini M, Mari E, Belfiglio M, Nicolucci A. Ann Oncol. 1999 Jul;10(7):789-93.

Delayed adjuvant tamoxifen in postmenopausal women with axillary node-negative breast cancer: mortality over 10 years. Love RR, Olsen MR, Havighurst TC. J Natl Cancer Inst. 1999 Jul 7;91(13):1167-8. No Abstract.

Tamoxifen in treatment of intraductal breast cancer: National Surgical Adjuvant Breast and Bowel Project B-24 randomised controlled trial.
Fisher B, Dignam J, Wolmark N, Wickerham DL, Fisher ER, Mamounas E, Smith R, Begovic M, Dimitrov NV, Margolese RG, Kardinal CG, Kavanah MT, Fehrenbacher L, Oishi RH. Lancet. 1999 Jun 12;353(9169):1993-2000.

Relevant Clinical Trials:

Phase III Randomized Study of Surgery with or without Axillary Node Clearance Followed by Adjuvant Tamoxifen in Elderly Women with Breast Cancer

Versus Wide Local Excision Followed by Radiotherapy With or Without Tamoxifen Versus Wide Local Excision Plus Tamoxifen in Patients With Stage I Breast Cancer

Patients With Postmenopausal Breast Cancer Treated With Adjuvant Tamoxifen

Phase III Randomized Study of Adjuvant Clodronate With or Without Systemic Chemotherapy and/or Tamoxifen in Women With Early-Stage Breast Cancer

Phase III Study of Prolonged Adjuvant Tamoxifen for Curatively Treated Breast Cancer

Phase III Randomized Adjuvant Study of Tamoxifen in Women with Early Breast Cancer

Phase IB Randomized, Multiple-Dose Pharmacodynamic (Biomarker Modulation) Study of LY353381.HCl, Tamoxifen, and Placebo in Women With Newly-Diagnosed Breast Cancer

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