Lux-Breast 3; Afatinib Alone or in Combination With Vinorelbine in Patients With Human Epidermal Growth Factor Receptor 2 (HER2) Positive Breast Cancer Suffering From Brain Metastases

Summary

The aim of this study is to investigate the efficacy and safety of afatinib alone or in combination with vinorelbine, as treatment in patients with HER2-overexpressing metastatic breast cancer, who have progressive brain lesions after trastuzumab and/or lapatinib based therapy

Timeline

Start

2011-10

Primary completion

2014-02

Completion

2014-08

Outcome

Missed primary endpoint

paper Patient benefit was achieved in 12 (30·0%; 95% CI 16·6-46·5) patients given afatinib alone (difference vs investigator's choice: -11·9% [95% CI -32·9 to 9·7], p=0·37) PMID 26596672 ↗

paper 13 (34·2%; 19·6-51·4) given afatinib plus vinorelbine (difference vs investigator's choice: -7·6% [-28·9 to 14·2], p=0·63) PMID 26596672 ↗

Publications

• Cortes J, Dieras V, Ro J, Barriere J, Bachelot T, Hurvitz S, Le Rhun E, Espie M, Kim SB, Schneeweiss A, Sohn JH, Nabholtz JM, Kellokumpu-Lehtinen PL, Taguchi J, Piacentini F, Ciruelos E, Bono P, Ould-Kaci M, Roux F, Joensuu H. Afatinib alone or afatinib plus vinorelbine versus investigator's choice of treatment for HER2-positive breast cancer with progressive brain metastases after trastuzumab, lapatinib, or both (LUX-Breast 3): a randomised, open-label, multicentre, phase 2 trial. Lancet Oncol. 2015 Dec;16(16):1700-10. doi: 10.1016/S1470-2045(15)00373-3. Epub 2015 Nov 17.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Afatinib	Small molecule	40 mg	Oral
Subject	Vinorelbine	Small molecule	25 mg/m2	Intravenous

Indications