Status:

ACTIVE_NOT_RECRUITING

A Study of XZP-3287 in Combination With Letrozole/Anastrozole in Patients With Advanced Breast Cancer

Lead Sponsor:

Xuanzhu Biopharmaceutical Co., Ltd.

Conditions:

Advanced Breast Cancer

Eligibility:

FEMALE

18-75 years

Phase:

PHASE3

Brief Summary

This is a Phase III clinical trial designed to evaluate the efficacy and safety of XZP-3287 in combination with Letrozole/Anastrozole versus placebo in combination with Letrozole/Anastrozole in patien...

Eligibility Criteria

Inclusion

  • Female patients aged ≥18 years and ≤75 years old;
  • Patient is in the menopausal state;
  • Histologically or cytologically confirmed locally advanced, recurrent or metastatic breast cancer, which was pathologically confirmed to be HR-positive and HER2-negative;
  • Evidence of locally advanced, recurrent, or metastatic disease that is not amenable to curative surgical resection or radiation therapy and is not clinically amenable to chemotherapy;
  • No prior systemic anticancer therapy for locally advanced, recurrent, or metastatic disease;
  • At least one measurable lesion (based on RECIST v1.1) or only bone metastases;
  • Patient has an Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1;
  • Adequate organ and marrow function;
  • Patient of childbearing age must undergo a serum pregnancy test within 7 days before randomization, and the result is negative; patient is willing to use a medically approved high-efficiency contraceptive method during the study period and within 6 months after the last study drug treatment;
  • Patient with acute toxic reactions caused by previous anti-tumor treatments or surgical operations were alleviated to grade 0 to 1 (NCI-CTCAE v5.0), or to the level specified by the enrollment criteria;
  • Patient has signed informed consent before any trial related activities.

Exclusion

  • Patients with disease recurrence or metastasis at or within 12 months after previous neoadjuvant or adjuvant therapy with endocrine drugs;
  • Patient with visceral crisis or brain metastases, except for patient with stable brain metastases;
  • Patient had clinically significant pleural effusions, ascites effusions, or pericardial effusions in the 4 weeks before enrollment;
  • Patient who received prior treatment with mTOR inhibitors or CDK4/6 inhibitors ;
  • Participation in a prior treatment of major surgery, chemotherapy, radiotherapy, and any anti-tumor treatment within 14 days before enrollment;
  • Patient who participated in other clinical trials within 14 days before enrollment or within 5 half-lives of the trial drug, whichever is longer;
  • Patient used CYP3A4 potent inhibitors or potent inducers within 14 days before enrollment or within 5 half-lives of the drug, whichever is longer;
  • Initiation of bisphosphonates or RANKL inhibitors within 7 days before enrollment, and subjects who have initiated treatment \> 7 days before enrollment should not change the method of use;
  • Any other malignant tumor has been diagnosed within 5 years before randomization;
  • Patient is in the active stage of HBV, HCV or co-infected with HBV, HCV, or Patient with positive HIV antibody;
  • Patient with severe infection within 4 weeks before enrollment, or unexplained fever\> 38.3℃ during screening/before enrollment;
  • Patient with heart function impaired or clinically significant heart disease within 6 months before enrollment;
  • Cerebrovascular accident occurred within 6 months before enrollment, including history of transient ischemic attack or stroke; pulmonary embolism;
  • Inability to swallow, intestinal obstruction or other factors that affect the taking and absorption of the drug;
  • Patient with a known hypersensitivity to any of the excipients in this study;
  • A prior history of autologous or allogeneic hematopoietic stem cell transplantation;
  • A prior history of psychotropic drug abuse or drug use;
  • Nursing Mothers;
  • The researchers considered that there were some cases that were not suitable for inclusion.

Key Trial Info

Start Date :

March 14 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 5 2030

Estimated Enrollment :

397 Patients enrolled

Trial Details

Trial ID

NCT05257395

Start Date

March 14 2022

End Date

September 5 2030

Last Update

July 17 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

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Harbin Medical University Cancer Hospital

Harbin, Heilongjiang, China, 150081