Sequential vs Upfront Intensified Neoadjuvant Chemotherapy in Patients With Large Resectable or Locally Advanced Breast Cancer.

Summary

2 different treatment schedules may be used for neoadjuvant chemotherapy in breast cancer using adriamycin, cyclophosphamide and taxotere. The most optimal sequence- concurrent or sequential- is however unclear. The aim of the study is to compare the efficacy and tolerability of neoadjuvant chemotherapy with AC followed by T(adriamycin, cyclophosphamide, taxotere) versus TAC ( with upfront T) in patient with large resectable or locally advanced breast cancer.

Timeline

Start

2006-02

Primary completion

2009-04

Completion

—

Outcome

Missed primary endpoint

paper CONCLUSIONS: No differences were observed between the two treatment arms with respect to pCR rate PMID 28674765 ↗

Publications

• Vriens BEPJ, Vriens IJH, Aarts MJB, van Gastel SM, van den Berkmortel FWPJ, Smilde TJ, van Warmerdam LJC, van Spronsen DJ, Peer PGM, de Boer M, Tjan-Heijnen VCG; Breast Cancer Trialists' Group of the Netherlands (BOOG). Improved survival for sequentially as opposed to concurrently delivered neoadjuvant chemotherapy in non-metastatic breast cancer. Breast Cancer Res Treat. 2017 Oct;165(3):593-600. doi: 10.1007/s10549-017-4364-8. Epub 2017 Jul 3.
• Vriens BE, de Vries B, Lobbes MB, van Gastel SM, van den Berkmortel FW, Smilde TJ, van Warmerdam LJ, de Boer M, van Spronsen DJ, Smidt ML, Peer PG, Aarts MJ, Tjan-Heijnen VC; INTENS Study Group. Ultrasound is at least as good as magnetic resonance imaging in predicting tumour size post-neoadjuvant chemotherapy in breast cancer. Eur J Cancer. 2016 Jan;52:67-76. doi: 10.1016/j.ejca.2015.10.010. Epub 2015 Nov 30.

Drugs

Indications