Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Female aged ≥ 18 years (≥ 19 years for Algeria as per local regulation) at oral vinorelbine ( OV) -based treatment initiation
Confirmed diagnosis of locally advanced or metastatic breast cancer eligible for chemotherapy
Initiated OV-based treatment as per SmPC for advanced breast cancer between January 2011 and December 2020 for the retrospective cohort or, initiating oral vinorelbine treatment at enrollment for the prospective cohort
Willing and able to complete the QoL questionnaire, PPQ and WPAI questionnaire for the prospective cohort
Provision of informed consent or non-opposition to the patient (or next of kin/legal representative, if applicable) for the use of data, according to local regulations
Exclusion criteria
no exclusion criteria for patients in this study