Randomized Study Comparing Tamoxifen vs. Tamoxifen + Aminoglutethimide in Postmenopausal Receptor-positive Patients

Summary

Primarily, this clinical investigation compared the efficacy of tamoxifen + aminoglutethimide vs. tamoxifen alone in terms of prognosis (overall survival) in postmenopausal patients with potentially curative, operated hormone receptor-positive breast cancer.

Timeline

Start

1990-12

Primary completion

1996-01

Completion

2000-03

Publications

• Background Pfeiler G, Stoger H, Dubsky P, Mlineritsch B, Singer C, Balic M, Fitzal F, Moik M, Kwasny W, Selim U, Renner K, Ploner F, Steger GG, Seifert M, Hofbauer F, Sandbichler P, Samonigg H, Jakesz R, Greil R, Fesl C, Gnant M; ABCSG. Efficacy of tamoxifen +/- aminoglutethimide in normal weight and overweight postmenopausal patients with hormone receptor-positive breast cancer: an analysis of 1509 patients of the ABCSG-06 trial. Br J Cancer. 2013 Apr 16;108(7):1408-14. doi: 10.1038/bjc.2013.114. Epub 2013 Mar 19.
• Background Schmid M, Jakesz R, Samonigg H, Kubista E, Gnant M, Menzel C, Seifert M, Haider K, Taucher S, Mlineritsch B, Steindorfer P, Kwasny W, Stierer M, Tausch C, Fridrik M, Wette V, Steger G, Hausmaninger H. Randomized trial of tamoxifen versus tamoxifen plus aminoglutethimide as adjuvant treatment in postmenopausal breast cancer patients with hormone receptor-positive disease: Austrian breast and colorectal cancer study group trial 6. J Clin Oncol. 2003 Mar 15;21(6):984-90. doi: 10.1200/JCO.2003.01.138.
• Background Rudas M, Lehnert M, Huynh A, Jakesz R, Singer C, Lax S, Schippinger W, Dietze O, Greil R, Stiglbauer W, Kwasny W, Grill R, Stierer M, Gnant MF, Filipits M; Austrian Breast and Colorectal Cancer Study Group. Cyclin D1 expression in breast cancer patients receiving adjuvant tamoxifen-based therapy. Clin Cancer Res. 2008 Mar 15;14(6):1767-74. doi: 10.1158/1078-0432.CCR-07-4122.
• Wimmer K, Hlauschek D, Balic M, Pfeiler G, Greil R, Singer CF, Halper S, Steger G, Suppan C, Gampenrieder SP, Helfgott R, Egle D, Filipits M, Jakesz R, Solkner L, Fesl C, Gnant M, Fitzal F. Is the CTS5 a helpful decision-making tool in the extended adjuvant therapy setting? Breast Cancer Res Treat. 2024 Jun;205(2):227-239. doi: 10.1007/s10549-023-07186-6. Epub 2024 Jan 25.

Drugs

Indications