Please assess the completion status of the following clinical trial:

Trial Title: Research and Analysis of the Mechanisms Involved in the Emergence of Breast Cancer Stem Cells (RepriM)

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Women over 18~* With a mammary adenocarcinoma histologically proven~* Who cannot benefit from a first-conserving surgery or with aggressiveness criteria on the initial biopsy (triple negative tumor, grade III histoprognostic, high Ki67, HER2 overexpressed) after presentation in multidisciplinary meeting.~* Absence of prior chemotherapy.~* Requiring a neoadjuvant chemotherapy with anthracyclines and taxanes selected in multidisciplinary meeting.~* Informed consent signed by the patient before the implementation of any specific procedure to the study.~Exclusion Criteria:~* Metastatic disease. The extension work-up is carried out according to the reference system of the participating center.~* Other histological type.~* Patient refusing the conservation of samples.~* Patient included in a clinical trial protocol with an experimental molecule (during this study).

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Biological collection (Type: EXPERIMENTAL): Before, during and after their treatment by chemotherapy, patients will undergo laboratory examinations.

Based on this trial design, predict the completion outcome and termination type (if applicable).