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OncoMatch/Clinical Trials/NCT05020860

Correlation of Clinical Response to Pathologic Response in Patients With Early Breast Cancer

Is NCT05020860 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies multiple treatments for breast cancer.

Phase 2RecruitingBaylor Breast Care CenterNCT05020860Data as of May 2026

Treatment: Paclitaxel · Carboplatin · Trastuzumab · Pertuzumab · Doxorubicin · Cyclophosphamide · Pembrolizumab · Pertuzumab/Trastuzumab/Hyaluronidase-zzxfThe purpose of this study is to learn whether clinical response (the amount a tumor shrinks based on imaging or tumor measurements obtained by physical exam) predicts pathologic response (the amount of tumor remaining when surgery is performed) in participants with breast cancer who are receiving chemotherapy prior to surgery.

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Extracted eligibility criteria

Cancer type

Breast Carcinoma

Triple-Negative Breast Cancer

Biomarker criteria

Allowed: HER2 (ERBB2) positive

HER2-positive (as defined by ASCO-CAP guidelines)

Allowed: ESR1 positive

high-risk estrogen receptor positive (as defined by ASCO-CAP guidelines). To be considered "high risk," at least 2 of the following criteria must be met: 1) histologic grade 3; 2) patient age 50 or less; 3) ER Allred score < 6; 4) Ki-67 ≥ 30%.

Disease stage

Excluded: Stage IV

Definitive clinical or radiologic evidence of Stage IV disease [excluded]

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

No prior treatment (treatment-naive required)
Max 0 prior lines

Cannot have received: anthracycline

Prior treatment with anthracyclines for any malignancy.

Cannot have received: endocrine therapy

Prior treatment for currently diagnosed breast cancer (i.e., endocrine therapy, chemotherapy, targeted therapy, or radiation.

Cannot have received: chemotherapy

Prior treatment for currently diagnosed breast cancer (i.e., endocrine therapy, chemotherapy, targeted therapy, or radiation.

Cannot have received: targeted therapy

Prior treatment for currently diagnosed breast cancer (i.e., endocrine therapy, chemotherapy, targeted therapy, or radiation.

Cannot have received: radiation therapy

Prior treatment for currently diagnosed breast cancer (i.e., endocrine therapy, chemotherapy, targeted therapy, or radiation.

Lab requirements

Blood counts

ANC ≥ 1200/mm3; Platelets ≥ 100,000/mm3; Hemoglobin ≥ 9 g/dL

Kidney function

Serum creatinine ≤ institutional ULN

Liver function

Total bilirubin ≤ institutional upper limit of normal (ULN), unless patient has Gilbert's disease or similar syndrome; Alkaline phosphatase (ALP) ≤ 2.5 x institutional ULN; AST/ALT ≤ 1.5 x institutional ULN

Cardiac function

Left ventricular ejection fraction (LVEF) ≥ the institutional lower limit of normal, as assessed by echocardiogram or MUGA scan

Adequate organ function, as determined by the following parameters: Absolute Neutrophil Count (ANC) ≥ 1200/mm3; Platelets ≥ 100,000/mm3; Hemoglobin ≥ 9 g/dL; Total bilirubin ≤ institutional upper limit of normal (ULN), unless patient has Gilbert's disease or similar syndrome; Alkaline phosphatase (ALP) ≤ 2.5 x institutional ULN; Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ≤ 1.5 x institutional ULN; Serum creatinine ≤ institutional ULN. Left ventricular ejection fraction (LVEF) ≥ the institutional lower limit of normal, as assessed by echocardiogram or Multigated Acquisition (MUGA )scan.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Harris Health System - Smith Clinic · Houston, Texas
  • O'Quinn Medical Tower - McNair Campus - Dan L Duncan Comprehensive Cancer Center · Houston, Texas

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

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