Status:

RECRUITING

Evaluating Omitting of Internal Mammary Irradiation Among Early Stage Intermediate Risk (N1) Breast Cancer

Lead Sponsor:

Ruijin Hospital

Conditions:

Breast Cancer

Eligibility:

FEMALE

18-80 years

Phase:

NA

Brief Summary

The effect of internal mammary irradiation (IMI) added to whole-breast or thoracic-wall irradiation plus supraclavicular (SVC) irradiation after surgery on survival among women with early-stage interm...

Detailed Description

This study is a phase II open label, non-inferior randomized controlled trial, we aimed to compare the safety and effectiveness difference of whole breast/chest wall irradiation + IMI+SVC irradiation ...

Eligibility Criteria

Inclusion

  • • Histologically confirmed invasive breast cancer
  • Underwent radical surgery with either mastectomy or breast conserving surgery and axillary lymph node dissection (ALND)
  • The number of positive lymph node should be 1-3 (N1).
  • Clinical high risk breast cancer (≥2 clinical risk factors)
  • Aged 18-80 years old
  • ECOG performance status ≤2 (Karnofsky ≥70%) Anticipative overall survival \>5 years Pathologically surgical margin \>2mm ER (estrogen-receptor), PR (progesterone-receptor), HER2 (human epidermal growth factor receptor 2) and Ki67 testing can be performed on the primary breast tumor Women of child-bearing potential must agree to use adequate contraception for up to 1 month before study treatment and the duration of study participation Ability to understand and willingness to participate the research and sign the consent form

Exclusion

  • • Axillary dissection of less than 10 lymph nodes
  • Pathologically positive ipsilateral supraclavicular lymph node
  • Pathologically or radiologically confirmed involvement of ipsilateral internal mammary lymph nodes
  • Pregnant or lactating women
  • Treated with breast reconstruction surgery
  • Severe non-neoplastic medical comorbidities
  • History of non-breast malignancy within 5 years with the exception of lobular carcinoma in situ, basal cell carcinoma of the skin, carcinoma in situ of skin and carcinoma in situ of the cervix
  • simultaneous contralateral breast cancer
  • Previous radiotherapy to the neck, chest and/or ipsilateral axillary region
  • Active collagen vascular disease
  • Definitive pathological or radiologic evidence of distant metastatic disease
  • Primary T4 tumor
  • Interval between radical surgery (mastectomy or breast conserving surgery) and radiotherapy was more than 12 weeks or interval between last dose of adjuvant chemotherapy and radiotherapy was more than 8 weeks

Key Trial Info

Start Date :

March 1 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 30 2030

Estimated Enrollment :

214 Patients enrolled

Trial Details

Trial ID

NCT04517266

Start Date

March 1 2021

End Date

October 30 2030

Last Update

December 4 2023

Active Locations (1)

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1

Ruijin Hospital, Shanghai jiaotong univestigy school of medicine

Shanghai, Shanghai Municipality, China, 200025