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A Phase Ib/II Clinical Study to Evaluate Safety, Preliminary Efficacy and PK Characteristic of QLS1304 Combined With Endocrine Therapy in ER+/HER2- Breast Cancer Patients

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Trial Profile

A Phase Ib/II Clinical Study to Evaluate Safety, Preliminary Efficacy and PK Characteristic of QLS1304 Combined With Endocrine Therapy in ER+/HER2- Breast Cancer Patients

Status: Recruiting
Phase of Trial: Phase I/II

Latest Information Update: 19 Jan 2026

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At a glance

  • Drugs QLS 1304 (Primary) ; Fulvestrant
  • Indications Advanced breast cancer; HER2 negative breast cancer; Male breast cancer
  • Focus Adverse reactions; Therapeutic Use
  • Sponsors Qilu Pharmaceutical

Most Recent Events

  • 12 Jan 2026 Status changed from not yet recruiting to recruiting.
  • 27 Nov 2025 New trial record

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