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A Prospective, Multicenter, Non-Inferiority Cohort Study on the Safety and Efficacy of Vacuum-Assisted Breast Excision Combined with Radiotherapy as a Local Treatment Modality for Breast Cancer Patients Achieving Complete Response (CR) After Neoadjuvant Therapy

A Prospective, Multicenter, Non-Inferiority Cohort Study on the Safety and Efficacy of Vacuum-Assisted Breast Excision Combined with Radiotherapy as a Local Treatment Modality for Breast Cancer Patients Achieving Complete Response (CR) After Neoadjuvant Therapy

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600120276
Enrollment
Unknown
Registered
2026-03-11
Start date
2026-04-01
Completion date
Unknown
Last updated
2026-03-16

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

Conditions

Breast Cancer

Interventions

Observation group:N/A

Sponsors

Affiliated Hospital of North Sichuan Medical College
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Invasive breast cancer diagnosed by biopsy; 2.After receiving standard neoadjuvant chemotherapy ± targeted therapy, clinical evaluation and imaging (breast MRI as the main reference) evaluation achieved complete remission or near complete remission; 3.Label clips were placed in the tumor before neoadjuvant therapy; Patients have a s

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

MeasureTime frame
5-Year Ipsilateral Breast Tumor Recurrence Rate;—

Secondary

MeasureTime frame
3-Year Disease-Free Survival;5-Year Disease-Free Survival;Overall Survival;Postoperative complications;Assessment of Cosmetic Outcome;Quality of Life Scale Score;—

Countries

China

Contacts

Public ContactXiaobo Zhao

Affiliated Hospital of North Sichuan Medical College

zxb0072@163.com+86 139 8030 0072

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 20, 2026