AXillary Surgery After NeoAdjuvant Treatment

A prospective multicenter cohort study to evaluate different surgical methods of axillary staging (sentinel lymph node biopsy, targeted axillary dissection, axillary dissection) in clinically node-positive breast cancer patients treated with neoadjuvant chemotherapy



Based on the lack of sufficient evidence and discrepancies between different national and institutional standards, EUBREAST decided to initiate a prospective cohort study as an international project that aims at comparatively evaluating data on axillary staging after neoadjuvant therapy. Since AXSANA aims at analyzing the clinical landscape of axillary surgery, study sites participating in the AXSANA are free to use any technique they choose.


The eCRF documentation is available at



The following documents are available for download:


Current documents in English:


Country-specific documents are available here:













AXSANA newsletters:




Before study sites start recruiting patients, they are kindly asked to participate in an initiation presentation either via videoconference or by watching the following video (please inform your National Steering Committee afterwards so that your study site can be considered initiated):


Initiation video in German:


The financial support for the AXSANA study has been provided by:

AGO-B            Claudia von Schilling         AWO Gyn        




Further, the AXSANA study is supported by:  




In case of questions do not hesitate to contact us at