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Home: Oncology Leader Commentary: Charles Loprinzi, MD

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

Clonidine for hot flashes
Physiology of hot flashes
Quality of life impact of hot flashes
Incidence of vasomotor symptoms in breast cancer patients
Soy, Vitamin E for hot flashes
Progestins for hot flashes
Estrogen for hot flashes
Dosing of progestins
Venlafaxine for hot flashes
Current trials of management of hot flashes
Soy for hot flashes

Physiology of hot flashes

Interview with Neil Love, MD from Breast Cancer Update for Medical Oncologists, Program 4 2000

Play Audio Below:

I spent a week one afternoon trying to go over that with our reproductive gynecologist and actually went back and forth over two or three weeks trying to understand what was going on with venlafaxine and serotonin and epinephrine in the pituitary and the hypothalamus, and it is very complicated. And there is blood-brain-barrier in one area and not the other area. And with these rat studies they do these micropipets of vascular structures in these areas. It’s very confusing and not well understood. But it has to be something with the loss of hormones, either estrogen in women or androgen in men, more problem with acute loss of this – i.e. an orchiectomy or an oophorectomy, seems to bring on these things faster and some how with some just regulation in the temperature-setting mechanism, probably in the pituitary or hypothalamus area of the central nervous system. But other than that more detail is very difficult to figure out. We hope that we might get a better feel for that with looking to the newer anti-depressants, because they have a variety of different effects. There is a variety of these anti-depressants which appear to work, only one of which has been proven in a randomized placebo control trial – proven in my eye, in terms of our stuff, which hasn’t been published yet. So I can understand that the community out there does not have the actual information to look at, which is a shame. And we are working hard on getting that out.

Relevant Articles:

Mammographic density changes in perimenopausal and postmenopausal women: is effect of hormone replacement therapy predictable?
Sterns, E. E. and Zee, B. Breast Cancer Research & Treatment. 59(2):125-132, 2000 Jan.

Menopausal estrogen and estrogen-progestin replacement therapy and breast cancer risk.
Schairer, C.; Lubin, J.; Troisi, R.; Sturgeon, S.; Brinton, L., and Hoover, R.. Jama: Journal of the American Medical Association. 283(4):485-491, 2000 Jan 26.

Effect of hormone replacement therapy on breast cancer risk: Estrogen versus estrogen plus progestin.
Ross, R. K.; Paganini-Hill, A.; Wan, P. C., and Pike, M. C. (Reprint available from: Ross RK Univ So Calif, Kenneth Norris Jr Comprehens Canc Ctr 1441 Eastlake Ave,Rm 8302B Los Angeles, CA 90089 USA).. Journal of the National Cancer Institute. 92(4):328-332, 2000 Feb 16.

Hormone replacement therapy in relation to risk of lobular and ductal breast carcinoma in middle-aged women
Li, C. I.; Weiss, N. S.; Stanford, J. L., and Daling, J. R.. Cancer. 88(11):2570-2577, 2000 Jun 1.

Hormone replacement therapy and breast cancer [Review].
Jacobs, H. S. Endocrine-Related Cancer. 7(1):53-61, 2000 Mar.

Biopsy confirmed benign breast disease, postmenopausal use of exogenous female hormones, and breast carcinoma risk.
Byrne, C.; Connolly, J. L.; Colditz, G. A., and Schnitt, S. J.. Cancer. 89(10):2046-2052, 2000 Nov 15.

Postmenopausal estrogens - Opposed, unopposed, or none of the above
Willett, W. C.; Colditz, G., and Stampfer, M. (Reprint available from: Willett WC Harvard Univ, Sch Publ Hlth, Dept Nutr 667 Huntington Ave Boston, MA 02115 USA).. Jama: Journal of the American Medical Association. 283(4):534-535, 2000 Jan 26. No abstract

Re: Effect of hormone replacement therapy on breast cancer risk: Estrogen versus estrogen plus progestin
Archer, D. F.; Bush, T., and Nachtigall, L. E. (Reprint available from: Nachtigall LE NYU, Sch Med, Dept Obstet & Gynecol 251 E 33rd St New York, NY 10016 USA).. Journal of the National Cancer Institute. 92(23):1950-1951, 2000 Dec 6. No abstract

Research on complementary/alternative medicine for patients with breast cancer: A review of the biomedical literature.
Jacobson, J. S.; Workman, S. B., and Kronenberg, F. Journal of Clinical Oncology. 18(3):668-683, 2000 Feb.

Evaluation of soy phytoestrogens for the treatment of hot flashes in breast cancer survivors: A North Central Cancer Treatment Group trial.
Quella, S. K.; Loprinzi, C. L.; Barton, D. L.; Knost, J. A.; Sloan, J. A.; LaVasseur, B. I.; Swan, D.; Krupp, K. R.; Miller, K. D., and Novotny, P. J. Journal of Clinical Oncology. 18(5):1068-1074, 2000 Mar.

Estrogen deficiency: In search of symptom control and sexuality. Loprinzi, C. L. and Barton, D. Journal of the National Cancer Institute. 92(13):1028-1029, 2000 Jul 5. No abstract

Managing menopausal symptoms in breast cancer survivors: Results of a randomized controlled trial.
Ganz, P. A.; Greendale, G. A.; Petersen, L.; Zibecchi, L.; Kahn, B., and Belin, T. R. Journal of the National Cancer Institute. 92(13):1054-1064, 2000 Jul 5.

Relevant Clinical Trials:

Phase III Randomized Study of Hormone Replacement Therapy in Menopausal or Perimenopausal Women with Prior Stage O-II Breast Cancer

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