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Home: Oncology Leader Commentary: Kathy I. Pritchard, MD

Click on the topic below for comments by Dr Kathy I. Pritchard to comment on. You will also find links to related articles and clinical trials.

First-line trials of adjuvant Arimidex
Mechanism of action of Faslodex
Faslodex intramuscular injection
Faslodex and hot flashes
Faslodex and bone metabolism
Overview data on ovarian ablation
Adjuvant Zoladex
Endocrine effects of adjuvant chemotherapy

Endocrine effects of adjuvant chemotherapy

Interview with Neil Love, MD from Breast Cancer Update for Medical Oncologists, Program 5 2000

Play Audio Below:

One of the issues with chemotherapy though – and we know from just observing in our own practices, especially with the younger women – they may become amenorrheic for a period of time, they start to menstruate again. Even some of the patients who don’t become amenorrheic may have ovarian function knocked down, they may be in for premature menopause. I suspect that they all have ovarian function affected to some degree or another, and so it’s a question of whether you get a complete medical ovarian ablation – in most of them you probably don’t unless they’re older or close to menopause anyway, and if you don’t get quite as big an effect then adding in a complete ablation may do something more. And I mean, when you look back at the data of how many of these chemotherapy regimens are more effective in pre- than in postmenopausal women, you have to keep thinking that some of the difference in those effects may be just an endocrine effect, period. It may not be that we gave higher doses or that the disease is different in any other way, but just that we’re getting the chemotherapy effect the same in the older and the younger women but that we’re adding an endocrine effect in the younger women.

Relevant Links:

Combined treatment with buserelin and tamoxifen in premenopausal metastatic breast cancer: A randomized study.
Klijn, J. G. M.; Beex LVAM; Mauriac, L.; van Zijl, J. A.; Veyret, C.; Wildiers, J.; Jassem, J. Piccart, M.; Burghouts, J.; Becquart, D.; Seynaeve, C.; Mignolet, F., and Duchateau, L. (Reprint available from: Klijn JGM Dr Daniel den Hoed Klin, Rotterdam Canc Inst, Dept Med Oncol Groene Hilledijk 301 NL-3075 EA Rotterdam Netherlands). Journal of the National Cancer Institute. 92(11):903-911, 2000 Jun 7.

Prevention of rat mammary carcinoma utilizing leuprolide as an equivalent to oophorectomy.
Jett, E. A.; Lerner, M. R.; Lightfoot, S. A.; Hanas, J. S.; Brackett, D. J., and Hollingsworth, A. B. (Reprint available from: Hollingsworth AB Mercy Hosp, Womens Ctr 4300 McAuley Blvd Oklahoma City, OK 73120 USA). Breast Cancer Research & Treatment. 58(2):131-136, 1999 Nov.

Combined endocrine therapy for breast cancer - New life for an old idea?
Davidson, N. E. (Reprint available from: Davidson NE Johns Hopkins Oncol Ctr 1650 Orleans St,Rm 409 Baltimore, MD 21231 USA). Journal of the National Cancer Institute 92(11):859-860, 2000 Jun 7. No abstract

Age-related variation in the treatment and outcomes of patients with breast carcinoma
Golledge, J.; Wiggins, J. E., and Callam, M. J.. Cancer. 88(2):369-374, 2000 Jan 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 II Study of Exemestane and Goserelin in Premenopausal Women With Hormone Receptor Positive Metastatic Breast Cancer

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