Epirubicin or Not in Patients With TOP2A (Topoisomerase (DNA) II Alpha (170kD)) Normal Early Breast Cancer

Summary

The Danish Breast Cancer Cooperative Group (DBCG) wishes to clarify if recurrence-free and overall life expectancy is longer after docetaxel and cyclophosphamide compared to epirubicin and cyclophosphamide followed by docetaxel in patients with TOP2A normal and operable breast cancer.

Timeline

Start

2008-06

Primary completion

2013-01

Completion

2013-01

Publications

• Background Moller S, Jensen MB, Ejlertsen B, Bjerre KD, Larsen M, Hansen HB, Christiansen P, Mouridsen HT; Danish Breast Cancer Cooperative Group. The clinical database and the treatment guidelines of the Danish Breast Cancer Cooperative Group (DBCG); its 30-years experience and future promise. Acta Oncol. 2008;47(4):506-24. doi: 10.1080/02841860802059259.
• Background Knoop AS, Knudsen H, Balslev E, Rasmussen BB, Overgaard J, Nielsen KV, Schonau A, Gunnarsdottir K, Olsen KE, Mouridsen H, Ejlertsen B; Danish Breast Cancer Cooperative Group. retrospective analysis of topoisomerase IIa amplifications and deletions as predictive markers in primary breast cancer patients randomly assigned to cyclophosphamide, methotrexate, and fluorouracil or cyclophosphamide, epirubicin, and fluorouracil: Danish Breast Cancer Cooperative Group. J Clin Oncol. 2005 Oct 20;23(30):7483-90. doi: 10.1200/JCO.2005.11.007.
• Background Ejlertsen B, Tuxen MK, Jakobsen EH, Jensen MB, Knoop AS, Hojris I, Ewertz M, Balslev E, Dano H, Vestlev PM, Kenholm J, Nielsen DL, Bechmann T, Andersson M, Cold S, Nielsen HM, Maae E, Carlsen D, Mouridsen HT. Adjuvant Cyclophosphamide and Docetaxel With or Without Epirubicin for Early TOP2A-Normal Breast Cancer: DBCG 07-READ, an Open-Label, Phase III, Randomized Trial. J Clin Oncol. 2017 Aug 10;35(23):2639-2646. doi: 10.1200/JCO.2017.72.3494. Epub 2017 Jun 29.
• Jensen MB, Balslev E, Knoop AS, Tuxen MK, Hojris I, Jakobsen EH, Cold S, Dano H, Glavicic V, Kenholm J, Ejlertsen B. Adjuvant Docetaxel and Cyclophosphamide With or Without Epirubicin for Early Breast Cancer: Final Analysis of the Randomized DBCG 07-READ Trial. J Clin Oncol. 2025 Feb;43(4):373-380. doi: 10.1200/JCO.24.00836. Epub 2024 Oct 23.
• Fei F, Messina C, Slaets L, Chakiba C, Cameron D, Bogaerts J, Bonnefoi H. Tumour size is the only predictive factor of distant recurrence after pathological complete response to neoadjuvant chemotherapy in patients with large operable or locally advanced breast cancers: a sub-study of EORTC 10994/BIG 1-00 phase III trial. Eur J Cancer. 2015 Feb;51(3):301-9. doi: 10.1016/j.ejca.2014.11.023. Epub 2015 Jan 8.
• Eckhoff L, Knoop A, Jensen MB, Ewertz M. Persistence of docetaxel-induced neuropathy and impact on quality of life among breast cancer survivors. Eur J Cancer. 2015 Feb;51(3):292-300. doi: 10.1016/j.ejca.2014.11.024. Epub 2014 Dec 22.

Drugs

Indications