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The addition of hormone therapy to tamoxifen does not prevent hot flashes in women at high risk for developing breast cancer.
Breast Cancer Res Treat. 2009 Aug; 116(3):521-7.BC

Abstract

Tamoxifen significantly reduces the risk of developing breast cancer in women at increased-risk. The usefulness of tamoxifen has been limited by its side effect profile, especially its propensity to worsen vasomotor symptoms. Hormone therapy (HT) has long been utilized to reduce vasomotor symptoms in peri- and post-menopausal women. The aim of this study was to compare the incidence of hot flashes, weight gain and other side effects associated with taking tamoxifen alone versus tamoxifen in combination with HT in high-risk women. One hundred eighty high-risk women were enrolled into one of two parallel study cohorts to receive tamoxifen alone (93 women) or tamoxifen with HT (87 women). Women were monitored at baseline, 3 months and then yearly for assessments of menopausal symptoms and toxicities associated with tamoxifen alone versus tamoxifen plus HT. We also assessed for differences in menopausal symptoms and toxicities by type of HT (estrogen vs. estrogen and progestin combination). Hot flash scores increased at 3 months and at 1 year compared with baseline in women on tamoxifen alone as well as for women on HT. Women on tamoxifen with estrogen only replacement had the greatest increase in hot flash scores, although this was not significantly different than the increase seen with tamoxifen alone. About 47% of participants on tamoxifen gained weight and there was a strong trend towards less weight gain in women on the combination of tamoxifen and HT, most pronounced for those on tamoxifen with estrogen alone replacement therapy. The addition of HT to tamoxifen therapy does not ameliorate tamoxifen-induced vasomotor symptoms. Tamoxifen associated weight gain, however, may be lessened by the addition of HT.

Authors+Show Affiliations

Baylor Sammons Cancer Center, Dallas, TX 75246, USA. Cynthia.Osborne@usoncology.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19139988

Citation

Osborne, Cynthia R., et al. "The Addition of Hormone Therapy to Tamoxifen Does Not Prevent Hot Flashes in Women at High Risk for Developing Breast Cancer." Breast Cancer Research and Treatment, vol. 116, no. 3, 2009, pp. 521-7.
Osborne CR, Duncan A, Sedlacek S, et al. The addition of hormone therapy to tamoxifen does not prevent hot flashes in women at high risk for developing breast cancer. Breast Cancer Res Treat. 2009;116(3):521-7.
Osborne, C. R., Duncan, A., Sedlacek, S., Paul, D., Holmes, F., Vukelja, S., Kasper, M., Wilks, S., Schneider, A., McGee, R., Meyer, W. G., & O'Shaughnessy, J. A. (2009). The addition of hormone therapy to tamoxifen does not prevent hot flashes in women at high risk for developing breast cancer. Breast Cancer Research and Treatment, 116(3), 521-7. https://doi.org/10.1007/s10549-008-0284-y
Osborne CR, et al. The Addition of Hormone Therapy to Tamoxifen Does Not Prevent Hot Flashes in Women at High Risk for Developing Breast Cancer. Breast Cancer Res Treat. 2009;116(3):521-7. PubMed PMID: 19139988.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The addition of hormone therapy to tamoxifen does not prevent hot flashes in women at high risk for developing breast cancer. AU - Osborne,Cynthia R, AU - Duncan,Anita, AU - Sedlacek,Scot, AU - Paul,Devchand, AU - Holmes,Frankie, AU - Vukelja,Svetislava, AU - Kasper,Michael, AU - Wilks,Sharon, AU - Schneider,Andrew, AU - McGee,Richard, AU - Meyer,Wally G, AU - O'Shaughnessy,Joyce A, Y1 - 2009/01/13/ PY - 2008/03/05/received PY - 2008/12/09/accepted PY - 2009/1/14/entrez PY - 2009/1/14/pubmed PY - 2009/9/30/medline SP - 521 EP - 7 JF - Breast cancer research and treatment JO - Breast Cancer Res Treat VL - 116 IS - 3 N2 - Tamoxifen significantly reduces the risk of developing breast cancer in women at increased-risk. The usefulness of tamoxifen has been limited by its side effect profile, especially its propensity to worsen vasomotor symptoms. Hormone therapy (HT) has long been utilized to reduce vasomotor symptoms in peri- and post-menopausal women. The aim of this study was to compare the incidence of hot flashes, weight gain and other side effects associated with taking tamoxifen alone versus tamoxifen in combination with HT in high-risk women. One hundred eighty high-risk women were enrolled into one of two parallel study cohorts to receive tamoxifen alone (93 women) or tamoxifen with HT (87 women). Women were monitored at baseline, 3 months and then yearly for assessments of menopausal symptoms and toxicities associated with tamoxifen alone versus tamoxifen plus HT. We also assessed for differences in menopausal symptoms and toxicities by type of HT (estrogen vs. estrogen and progestin combination). Hot flash scores increased at 3 months and at 1 year compared with baseline in women on tamoxifen alone as well as for women on HT. Women on tamoxifen with estrogen only replacement had the greatest increase in hot flash scores, although this was not significantly different than the increase seen with tamoxifen alone. About 47% of participants on tamoxifen gained weight and there was a strong trend towards less weight gain in women on the combination of tamoxifen and HT, most pronounced for those on tamoxifen with estrogen alone replacement therapy. The addition of HT to tamoxifen therapy does not ameliorate tamoxifen-induced vasomotor symptoms. Tamoxifen associated weight gain, however, may be lessened by the addition of HT. SN - 1573-7217 UR - https://www.unboundmedicine.com/medline/citation/19139988/The_addition_of_hormone_therapy_to_tamoxifen_does_not_prevent_hot_flashes_in_women_at_high_risk_for_developing_breast_cancer_ L2 - https://doi.org/10.1007/s10549-008-0284-y DB - PRIME DP - Unbound Medicine ER -