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Home: Oncology Leader Commentary: Richard Margolese, MD

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

Surgery and breast cancer
Philosophy of DCIS management
Excision alone for DCIS
DCIS subsets
Margins and DCIS
Is DCIS a surgical disease?
Tamoxifen for DCIS
NSABP DCIS trials
Tamoxifen: Prevention or delay of clinical onset of disease
Risk-benefits of tamoxifen for DCIS
Tamoxifen and venous thrombosis
Duration of preventive effect of tamoxifen
Mortality effects of tamoxifen in high-risk women
Raloxifene as chemoprevention

Raloxifene as chemoprevention

Interview with Neil Love, MD from Breast Cancer Update for Surgeons, Program 1 2000

Play Audio Below:

It’s not clear that the same type of person who benefits from tamoxifen will benefit from raloxifene. They very well might and probably they will, but the study is being done to clarify this and to find out what is right now the preferable agent. So the idea that raloxifene is the ideal intervention for postmenopausal women today, I think is offered prematurely. We don’t know what the ideal agent will be, and we don’t know what the long-term effects of raloxifene in this setting of high-risk women will be. So while it may be less dangerous for the uterus, it may or may not be as effective for breast cancer prevention and it should not be thought of as an ideal treatment that you should give every woman.

Dr. Love: Should it be given to any woman who is high risk for breast cancer?

Dr. Margolese: I wouldn’t give it to anyone for high risk for breast cancer because tamoxifen is the proven effective agent to inhibit breast cancer. Raloxifene seems to have activity and even though the trial showed a substantial reduction in breast cancer, it isn’t the same group of people in that trial.

It’s interesting that many physicians think that raloxifene is a good drug for osteoporosis and don’t think of tamoxifen as a good drug for osteoporosis. But we cut the serious fracture risk in half, almost in half, in terms of hip and collies fractures in P1.

Relevant Articles:

Tamoxifen should be cost-effective in reducing breast cancer risk in high-risk women
Smith, T. J. and Hillner, B. E.. Journal of Clinical Oncology. 18(2):284-286, 2000 Jan.

Estimation of tamoxifen's efficacy for preventing the formation and growth of breast tumors.
Radmacher, M.D., Simon, R. -- (Reprint available from: Radmacher MD NIH 7550 Wisconsin Ave,MS 9015 Bethesda, MD 20892 USA).. Journal of the National Cancer Institute. 92(1):48-53, 2000 Jan 5.

Tamoxifen and risk of contralateral breast cancer in BRCA1 and BRCA2 mutation carriers: a case-control study
Narod, S. A.; Brunet, J. S.; Ghadirian, P.; Robson, M.; Heimdal, K.; Neuhausen, S. L.; Stoppa-Lyonnet, D.; Lerman, C.; Pasini, B.; de los Rios, P.; Weber, B., and Lynch, H.. Lancet. 356(9245):1876-1881, 2000 Dec 2.

Chemoprevention options for BRCA1 and BRCA2 mutation carriers.
Eeles, R. A. and Powles, T. J. Journal of Clinical Oncology. 18(21 Suppl S):93S-99S, 2000 Nov 1.

Chemoprevention of breast cancer [Review].
Brown, P. H. and Lippman, S. M. (Reprint available from: Lippman SM Univ Texas, MD Anderson Canc Ctr, Dept Clin Canc Prevent 1515 Holcombe Blvd,Box 236 Houston, TX 77030 USA). Breast Cancer Research & Treatment. 62(1):1-17, 2000 Jul.

Hormonal approaches to the chemoprevention of endocrine-dependent tumors.
Manni, A.. Endocrine-Related Cancer. 6(4):483-485, 1999 Dec.

Pilot trial of the safety, tolerability, and retinoid levels of N-(4-hydroxyphenyl) retinamide in combination with tamoxifen in patients at high risk for developing invasive breast cancer.
Conley, B.; O'Shaughnessy, J.; Prindiville, S.; Lawrence, J.; Chow, C.; Jones, E.; Merino, M. J.; Kaiser-Kupfer, M. I.; Caruso, R. C.; Podger, M.; Goldspiel, B.; Venzon, D.; Danforth, D.; Wu, S. L.; Noone, M.; Goldstein, J.; Cowan, K. H., and Zujewski, J.. Journal of Clinical Oncology. 18(2):275-283, 2000 Jan.

Vitamin A analogue for breast cancer prevention: a grade of F or incomplete? Response
Piantadosi, S. (Reprint available from: Piantadosi S Johns Hopkins Univ, Sch Med, Johns Hopkins Oncol Ctr 550 N Broadway,Suite 1103 Baltimore, MD 21205 USA).. Journal of the National Cancer Institute. 92(3):274-275, 2000 Feb 2. No abstract

Tamoxifen for the prevention of breast cancer in the high-risk woman.
Morrow, M. and Jordan, V. C. (Reprint available from: Morrow M 676 N St Clair St,13th Floor, Room 13-104 Chicago, IL 60611 USA).. Annals of Surgical Oncology. 7(1):67-71, 2000 Jan-Feb. No abstract

Relevant Clinical Trials:

Study of Tamoxifen and Raloxifene (STAR) for the Prevention of Breast Cancer

Randomized, Double-Blind, Placebo-Controlled Study of Tamoxifen for the Prevention of Breast Cancer in High-Risk Women: International Breast Cancer Intervention Study

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