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Clinical Trials/KCT0008323
KCT0008323
Active, not recruiting
未知

Phase II study of Neo-adjuvant chemotherapy with letrozole in patients with estrogen receptor positive/HER-2 negative breast cancer

ational Cancer Center0 sites114 target enrollmentTBD

Overview

Phase
未知
Intervention
Not specified
Conditions
Not specified
Sponsor
ational Cancer Center
Enrollment
114
Status
Active, not recruiting
Last Updated
3 years ago

Overview

Brief Summary

No summary available.

Registry
who.int
Start Date
TBD
End Date
TBD
Last Updated
3 years ago
Study Type
Interventional Study
Sex
All

Investigators

Sponsor
ational Cancer Center

Eligibility Criteria

Inclusion Criteria

  • 1 Locally advanced breast cancer patients with histological confirmation
  • 2 Age \=19 and \=70
  • 3 ER or PR positive, cT2N0 or cTx/N\+ M0 (ER\-positive \=1% nuclear staining by immunohistochemistry , Allred score\=3 )
  • 4\. Histological specimen (FFPE) should be present at diagnosis, and when examined from a different hospital, slides for ER, PR, HER2, and KI67 immunohistochemistry analysis as well as 5 unstained slides need to be present
  • 5\. Patients has hitologically and/or cytologically confirmed diagnosis of HER2\-negative breast cancer
  • 6 Patients with at least one measurable lesion by RECIST 1\.1 from the images
  • 7\. Women of childbearing age should agree to proper contraception during the trial period (from the beginning until a few hours or a few days after the last administration of drugs considering half\-life)
  • 8 Patients with ECOG activity of 0,1, or 2
  • 9 Patients with proper organ functions (attachment A)
  • 10 Patients who signed the consent form

Exclusion Criteria

  • 1\. Patients with inflammatory breast cancer
  • 2\. Patients with bliateral breast cancer
  • 3\.Patients with stroke including transient ischemic attack, pulmonary artery thrombosis or deep vein thrombosis untreated within 6 months: study participation is available when there are no symptoms after the administration of therapeutic anticoagulant for 6 weeks or longer within 6 months
  • 4\. Patients with a history of previous malignant tumor. However, the following patients are exempted from the exclusion criteria
  • 4\.1 Patients with 3 years of disease free survival with malignant tumor different from the current tumor
  • 4\.2 Patients with skin tumor excluding melanoma that had complete resection
  • 4\.3 Patients with early gastric cancer that had radical resection
  • 5\.Patients with differentiated thyroid cancer of less than 1 cm
  • 6\. Patients whose ejection fraction is less than 55% in the MUGA scan /EchoCG
  • 7\. Patients without properly conserved tissue samples for diagnostic histological analysis (5 unstained slides excluding ER, PR, HER2, KI67\)

Outcomes

Primary Outcomes

Not specified

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