A Phase III Study of ESG401 for Locally Advanced or Metastatic HR+/HER2- Breast Cancer
Recruiting now · Phase 3
Conditions studied: Metastatic Breast Cancer
In brief
The aim of this study is to evaluate the efficacy and safety of ESG401 in patients with unresectable locally advanced or metastatic HR+/HER2- breast cancer.
Key facts
- Study ID
- NCT06383767
- Run by
- Qilu Pharmaceutical Co., Ltd.
- People needed
- 378
- Starts
- 2024-07-11
- Expected to finish
- 2028-07-31
- Last updated by the study team
- 2025-06-19
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Individuals able to understand and give written informed consent.
- Males or females aged ≥ 18 years ;
- Histologically and/or cytologically confirmed HR+/HER2- breast cancer who had failed at least one line of systemic chemotherapy in metastatic settings;
- Patients who are eligible for a chemotherapy regimen in the control group;
- Patients with at least one measurable lesion per RECIST 1.1 criteria;
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 1;
- Expected survival ≥ 12 weeks;
- Patients with adequate organ and bone marrow function;
- Female patients of childbearing potential and male patients with partners of childbearing potential who use effective medical contraception from the time of signing the informed consent form until 180 days after the last dose.
You may not qualify if…
- Received chemotherapy, targeted therapy, immunotherapy, interventional therapy or other systemic anti-cancer therapie within 4 weeks before the first investigational product administration;
- Toxicities from prior anti-tumor therapy not recovering to ≤ Grade 1;
- Received major surgeries 4 weeks prior to the first dose of study treatment or planned to receive major surgeries during the study ;
- Prior topoisomerase I inhibitor therapy, including antibody-drugconjugate(ADC) therapy, or prior TROP2 targeted therapy, or use of any investigational anti-cancer drug within 28 days or 5 half-lives before the first investigational product administration;
- New thromboembolic events, intestinal obstruction, gastrointestinal bleeding or perforation within 6 months;
- Uncontrolled systemic bacterial, viral or fungal infections;
- Subjects with symptomatic or untreated CNS metastases, or those requiring ongoing treatment for CNS metastases;
- Patients with Primary CNS malignancy；or patients with other malignancies within 3 years prior to the first dose;
- Patients with uncontrollable systemic diseases;
- Patients with gastrointestinal diseases (such as chronic gastritis, chronic enteritis or gastric ulcers), or with a previous history of severe or chronic diarrhea;
- Subjects with clinically significant cardiovascular disease;
- Human Immunodeficiency Virus (HIV) infection;
- Active hepatitis B or hepatitis C;
- Known immediate or delayed hypersensitivity reaction to irinotecan or other camptocampin derivatives such as topotecan or to have had grade ≥3 gastrointestinal reactions associated with irinotecan, or allergies, or to any investigational drug or excipient ingredient;
- Pregnant or lactating women.
Where it is running
- Cancer Hospital Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China (enrolling)
Full record on ClinicalTrials.gov
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