Study on the omission of axillary lymph node dissection for breast cancer patients with metastases positive sentinel lymph node

Study on the omission of axillary lymph node dissection for breast cancer patients with metastases positive sentinel lymph node - Study on the omission of axillary lymph node dissection for sentinel node-positive breast cancer patients

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000018316

Enrollment

200

Registered

2015-07-15

Start date

2015-07-15

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: 1) Histologically confirmed breast cancer patients without distant metastasis 2) T1-2, NO 3) Patients who received sufficient explanation, understood it and gave written consent based on their free will, before participating in this study

Exclusion criteria

Exclusion criteria: 1) Patients who undergo breast surgery for ipsilateral breast tumor recurrence 2) Patients who undergo axillary lymph node dissection or sampling after sentinel lymph node biopsy 3) Patients who undergo neoadjuvant therapy 4)Patients who were judged inappropriate by the principal investigator

Design outcomes

Primary

Measure	Time frame
Recurrence rate of axillary lymph node	—

Secondary

Measure	Time frame
5-year overall survival rate 5-year recurrent free survival rate	—

Countries

Japan

Contacts

Public ContactKazuyoshi Motomura

Osaka General Medical Center Department of Breast Surgery

kenkyusien@gh.opho.jp06-6692-1201

Outcome results