Status:

UNKNOWN

Clinical Study of Pyrotinib in Neoadjuvant Therapy of HR-positive and HER2-positive Breast Cancer

Lead Sponsor:

The First Affiliated Hospital with Nanjing Medical University

Conditions:

Breast Cancer

Eligibility:

FEMALE

20-70 years

Phase:

PHASE2

Brief Summary

Due to neoadjuvant therapy with trastuzumab and pertuzumab is less effective for HR+/HER2+ breast cancer, and the PHEDRA Clinical Study subgroup analysis showed that the addition of pyrotinib to trast...

Detailed Description

Different anti-HER2-targeting drugs act on different parts and types of HER2 molecules, so their mechanisms and effects are different. Trastuzumab and pertuzumab are the most commonly used anti-HER2 t...

Eligibility Criteria

Inclusion

  • Women aged 18-70 with breast cancer;
  • Pathologically confirmed unilateral invasive ductal carcinoma (with or without intraductal carcinoma components);
  • Proposed to receive neoadjuvant therapy;
  • Positive ER and/or PgR (defined as ≥10% positive immunohistochemical test);
  • HER2 positive (defined as IMMUNOHISTOchemical HER2 ++, or HER2 ++ and in situ hybridization (ISH) results in HER2 gene amplification);
  • There is no evidence of metastasis in clinical or imaging;
  • ECOG score 0 or 1;
  • White blood cell count ≥3.5×109/L, neutrophil count ≥2×109/L, platelet count ≥100×109/L and hemoglobin ≥90 g/L before neoadjuvant therapy;
  • Before neoadjuvant therapy, AST and ALT \< 1.5 times the upper limit of normal value, alkaline phosphatase \< 2.5 times the upper limit of normal value, total bilirubin \< 1.5 times the upper limit of normal value; Serum creatinine \< 1.5 times the upper limit of normal value;
  • LVEF≥55% on 2d echocardiography before neoadjuvant therapy;
  • Signed informed consent.

Exclusion

  • Clinical or imaging suspicion of lateral breast malignancy has not been confirmed;
  • Prior malignancy (except basal cell carcinoma of the skin and carcinoma in situ of the cervix), including contralateral breast cancer;
  • The patient has been enrolled in other clinical trials;
  • Patients suffering from serious systemic diseases and/or uncontrollable infections cannot be enrolled in the study;
  • Severe cardiovascular and cerebrovascular diseases (e.g., unstable angina pectoris, chronic heart failure, uncontrolled hypertension \> 150/90mmHg, myocardial infarction or cerebrovascular accident) within the first 6 months of randomization;
  • Have a history of blood system diseases, especially platelet-related diseases;
  • Patients with previous intestinal inflammation, intestinal dysfunction, severe diarrhea and constipation;
  • People who are known to be allergic to chemotherapy drugs, targeted drugs or TKI drugs;
  • Women of childbearing age refuse contraception during treatment and within 8 weeks after completion of treatment;
  • Pregnant and lactation women;
  • positive pregnancy test before drug use after joining the test;
  • Mental illness, cognitive impairment, inability to understand the test protocol and side effects, inability to complete the test protocol and follow-up workers (systematic evaluation is required before the trial is enrolled);
  • Persons without personal freedom and independent capacity for civil conduct.

Key Trial Info

Start Date :

April 15 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 30 2025

Estimated Enrollment :

80 Patients enrolled

Trial Details

Trial ID

NCT05430347

Start Date

April 15 2023

End Date

September 30 2025

Last Update

February 21 2023

Active Locations (1)

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1

the First Affiliated Hospital of Nanjing Medical University

Nanjing, China