The Italian Breast Cancer Prevention Trial with Tamoxifen
The Italian Breast Cancer Prevention Trial with Tamoxifen
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意大利他莫昔芬预防乳腺癌试验
DOI:
--
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发表时间:
2001
影响因子:
5.2
通讯作者:
A. Decensi
中科院分区:
文献类型:
--
作者:
A. Guerrieri;Arianna Galli;N. Rotmensz;A. Decensi
Abstract: The Italian Tamoxifen Prevention Study includes 5408 healthy hysterectomized women aged 35‐70 years who have been randomized to 20 mg/day of tamoxifen or placebo for 5 years. After 46 months median follow‐up, an increased risk of venous vascular events (38 women on tamoxifen vs. 18 women on placebo, P= 0.0053), mainly consisting of superficial phlebitis, has been observed and 41 breast cancers have occurred (19 on tamoxifen vs. 22 on placebo, P= 0.64). However, subgroup analyses indicated a borderline significant reduction of breast cancer among women continuously on estrogen replacement therapy (ERT, mostly transdermal) and receiving tamoxifen, with 8 cases of breast cancer among 390 ERT users on placebo versus 1 case among 362 ERT users on tamoxifen (RR = 0.13, 95% CI = 0.02‐1.02). Withdrawal rate (mainly due to menopausal symptoms) differed according to ERT use, with compliance being 78% and 75% at 3 and 5 years, respectively, for women who never took ERT, and 92% and 88% at 3 and 5 years, respectively, for women not on ERT at baseline, but who took ERT at some time during the trial. Pharmacokinetic and pharmacodynamic (surrogate end point biomarkers) studies showed that a lower dose of tamoxifen (such as 5 mg/day) does not affect the drug's activity on several biomarkers of both cardiovascular and breast cancer risk. We are therefore planning a multicenter placebo‐controlled phase III trial in postmenopausal healthy women on hormone replacement therapy (HRT) to test whether the combination of HRT and low‐dose tamoxifen retains the benefits while reducing the risks of either agent maintaining a high compliance rate.
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DOI:
10.1097/00006254-200007000-00022
发表时间:
2000-02
期刊:
Journal of the National Cancer Institute
影响因子:
--
作者:
R. Ross;A. Paganini-Hill;Peggy Wan;M. Pike
通讯作者:
R. Ross;A. Paganini-Hill;Peggy Wan;M. Pike
影响因子:
6.5
作者:
Walsh,BW;Li,H;Sacks,FM
通讯作者:
Sacks,FM
DOI:
10.1016/0022-4731(87)90165-8
发表时间:
1987
期刊:
Journal of steroid biochemistry
影响因子:
--
作者:
Sutherland,RL;Watts,CK;Hall,RE;Ruenitz,PC
通讯作者:
Ruenitz,PC
DOI:
10.1093/jnci/91.3.264
发表时间:
1999-02-03
期刊:
JOURNAL OF THE NATIONAL CANCER INSTITUTE
影响因子:
--
作者:
Schairer, C;Gail, M;Hoover, RN
通讯作者:
Hoover, RN
DOI:
10.1097/00006254-200006000-00022
发表时间:
2000-01
期刊:
JAMA
影响因子:
--
作者:
C. Schairer;J. Lubin;R. Troisi;S. Sturgeon;L. Brinton;R. Hoover
通讯作者:
C. Schairer;J. Lubin;R. Troisi;S. Sturgeon;L. Brinton;R. Hoover