This is a multicenter, cohorts study to collect information from patients diagnosed with early-stage invasive breast cancer who have been previously included in a neoadjuvant or adjuvant clinical trial of the GEICAM group.
Patients will be included in this study from the moment of completion of the follow-up of the studies of origin and will be followed for approximately 30 years
Patients included in neoadjuvant and adjuvant clinical trials with GEICAM's participation. If any of these patients had taken part or is participating in another clinical trial, she/he is eligible for this trial and her/his information will also be collected.
Patients whose death or contact loss has not been previously collected in the databases of the original studies.
Patient who were not included in the analyses of the original studies due to non-compliance of the eligibility criteria or the original study informed consent withdrawal.
Spanish Breast Cancer Research Group
Lead sponsor
AECC_Asociación Española contra el Cáncer
Collaborator