The Observational Study of Sentinel Lymph Node Biopsy for Patients with Lymph Node-Positive Breast Cancer Responding to Preoperative Chemotherapy in Clinical Practice

The Observational Study of Sentinel Lymph Node Biopsy for Patients with Lymph Node-Positive Breast Cancer Responding to Preoperative Chemotherapy in Clinical Practice - The Observational Study of Sentinel Lymph Node Biopsy for Patients with Lymph Node-Positive Breast Cancer Responding to Preoperative Chemotherapy in Clinical Practice

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000046510

Enrollment

Registered

2021-12-28

Start date

2022-01-05

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

breast cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: No more than 4 lymph node metastases

Exclusion criteria

Exclusion criteria: Cases in which preoperative chemotherapy is not indicated

Design outcomes

Primary

Measure	Time frame
The rate of recurrence for lymph nodes after two years	—

Countries

Japan

Contacts

Public ContactRikiya Nakamura

Chiba Cancer Center The division of breast surgery

rnakamura@chiba-cc.jp043-264-5431

Outcome results