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Multivariate analysis of effects of neoadjuvant therapy in women with breast cancer: A retrospective analysis based on multi-centers hospitals and SEER database

Multivariate analysis of effects of neoadjuvant therapy in women with breast cancer: A retrospective analysis based on multi-centers hospitals and SEER database

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2400087180
Enrollment
Unknown
Registered
2024-07-22
Start date
2024-07-29
Completion date
Unknown
Last updated
2024-07-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Interventions

Neoadjuvant Group:NA
Adjuvant Group:NA

Sponsors

First Affiliated Hospital, Xi’an Jiaotong University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Breast cancer patients aged 18 and above with TNM stage 0-III, pathologically confirmed as having primary ductal carcinoma, lobular carcinoma, neuroendocrine carcinoma, metaplastic breast carcinoma, etc., who have received neoadjuvant chemotherapy, neoadjuvant chemotherapy combined with targeted and immunotherapy, as well as postoperative chemotherapy, targeted therapy, and immunotherapy.

Exclusion criteria

Exclusion criteria: 1.Stage IV (metastatic) breast cancer. 2.Patients unable to complete standard treatment for various reasons. 3.Criteria for termination or withdrawal of study subjects. 4.Termination of the study due to cessation of cooperation or follow-up by the research center.

Design outcomes

Primary

MeasureTime frame
pCR rate;Cancer-related death;Total death rate;Other causes death rate;Event free survival rate;Local recurrence;Distant metastasis rate;

Secondary

MeasureTime frame
Breast cancer specific survival, BCSS;Overall survival, OS;Diease free survival, DFS;

Countries

China

Contacts

Public ContactCan Zhou

Breast Surgery Department, First Affiliated Hospital, Xi’an Jiaotong University

zhoucanz2005@126.com+86 134 7401 2971

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026