RecruitingPhase 3NCT07071337

A Study of SKB264 Versus Investigator's Choice of Chemotherapy in Subjects With Unresectable Locally Advanced, Relapsed, or Metastatic HR+/HER2- Breast Cancer Who Have Previously Failed Endocrine Therapy

A Randomized, Open-label, Multicenter Phase III Clinical Study of SKB264 Versus Investigator's Choice of Chemotherapy in Subjects With Unresectable Locally Advanced, Relapsed, or Metastatic Hormone Receptor-positive (HR+)/Human Epidermal Growth Factor Receptor 2-negative (HER2-) Breast Cancer Who Have Previously Failed Endocrine Therapy


Sponsor

Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.

Enrollment

430 participants

Start Date

Jul 18, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of this study is to evaluate the efficacy and safety of SKB264 in patients with unresectable locally advanced, recurrent, or metastatic HR+/HER2- breast cancer who have previously failed endocrine therapy.


Eligibility

Min Age: 18 YearsMax Age: 75 Years

Plain Language Summary

Simplified for easier understanding

This study tests a drug called SKB264 (an antibody-drug conjugate) versus standard chemotherapy chosen by the doctor in patients with advanced breast cancer that is hormone receptor-positive and HER2-negative, whose cancer has come back after hormone therapy. The goal is to see if SKB264 is more effective than current options. **You may be eligible if...** - You are 18 to 75 years old - You have HR+/HER2- breast cancer confirmed by pathology - Your cancer has progressed during or after the most recent treatment - You have not received prior chemotherapy for advanced/metastatic disease **You may NOT be eligible if...** - You have already received chemotherapy for metastatic disease - Your cancer is HER2-positive or hormone receptor-negative - You have serious organ function problems or active infections Talk to your doctor to see if this trial is right for you.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DRUGSKB264

5mg/kg, IV on Day 1 and Day 15 of each 28 day cycle

DRUGNab-paclitaxel

100 mg/m\^2, IV, on Days 1, 8, and 15 every 4 weeks

DRUGPaclitaxel

90 mg/m\^2, IV, on Days 1, 8, and 15 every 4 weeks; or 80 mg/m\^2, IV, weekly, every 3 weeks

DRUGCapecitabine

1000-1250 mg/m\^2, orally, Days 1-14, twice daily, every 3 weeks


Locations(2)

The Fifth Medical Center of the Chinese PLA General Hospital

Beijing, Beijing Municipality, China

Sun Yat-sen University Cancer Center

Guangzhou, Guangdong, China

View Full Details on ClinicalTrials.gov

For the most up-to-date information, visit the official listing.

Visit

NCT07071337


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