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Recruiting Phase 2 NCT06439771

NCT06439771 A Phase 2 Study to Evaluate the Efficacy, Safety and Pharmacokinetics of YL202 in Patients With BC

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Clinical Trial Summary
NCT ID NCT06439771
Status Recruiting
Phase Phase 2
Sponsor MediLink Therapeutics (Suzhou) Co., Ltd.
Condition Locally Advanced or Metastatic Breast Cancer
Study Type INTERVENTIONAL
Enrollment 180 participants
Start Date 2024-04-23
Primary Completion 2026-07-30

Eligibility & Interventions

Sex Female only
Min Age 18 Years
Max Age 75 Years
Study Type INTERVENTIONAL
Interventions
YL202 should be intravenously infused

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 180 participants in total. It began in 2024-04-23 with a primary completion date of 2026-07-30.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This study is a multicenter, open-label, phase 2 clinical study to evaluate the efficacy, safety and pharmacokinetics of YL202 in patients with locally advanced or metastatic breast cancer with TNBC, HR-positive, HER2-zero-expression or HER2-low-expression

Eligibility Criteria

Inclusion Criteria: 1. Have been informed of the study before the start of the study and voluntarily sign name and date on the informed consent form. 2. Patients with locally advanced or metastatic disease (according to the UICC and AJCC staging system \[Version 8\]) who are not candidates for curative surgery or radiotherapy. 3. Patients who are pathologically confirmed advanced/unresectable or metastatic breast cancer with HR-negative and HER2-negative,. 4. Patients who are confirmed HR positive and HER2-Zero-expression and HER2-Low-expression. 5. Breast cancer patients who have previously failed treatments of HER2-ADC or TROP2-ADC. 6. Have at least 1 extracranial measurable lesion as a target lesion per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 7. Have Adequate organ and bone marrow function within 7 days prior to the first dose. 8. Female patients of childbearing potential must agree to use highly effective contraception from screening throughout the duration of the study and for at least 6 months after the last dose of study drug. 9. Have a expected survival ≥ 3 months. 10. Have ability and willingness to comply with protocol-specified visits and procedures. Exclusion Criteria: 1. Have prior treatment with an agent targeting HER3. 2. Have prior intolerance to treatment with topoisomerase I inhibitor or an ADC that consists of topoisomerase I inhibitor. 3. Have been enrolled in another clinical study concurrently unless it is an observational clinical study or in the follow-up phase of an interventional study. 4. Have insufficient washout period for prior anticancer therapy prior to first dose of the study drug. 5. Have major surgery (excluding diagnostic surgery) within 4 weeks prior to the first dose of study drug or anticipation of major surgery during the study. 6. Have prior allogeneic bone marrow transplant or prior solid organ transplant. 7. Have received treatment with systemic steroids. 8. Have received any live vaccine within 4 weeks prior to the first dose of study drug or intend to receive a live vaccine during the study. 9. Leptomeningeal metastases or carcinomatous meningitis, spinal cord compression. 10. Brain metastases with the exceptions. 11. Have uncontrolled or clinically significant cardiovascular and cerebrovascular disease. 12. Have clinically significant concomitant pulmonary diseases. 13. Have a diagnosis of Gilbert's syndrome. 14. Have pleural effusion, abdominal effusion. 15. Have a history of gastrointestinal perforation and or fistula within 6 months prior to the first dose. 16. Have serious infection. 17. Patients with human immunodeficiency virus (HIV) infection. 18. Have active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection. 19. Have any other primary malignancy within 5 years prior to the first dose of study drug. 20. Have unresolved toxicities from prior anticancer therapy. 21. Have a history of severe hypersensitivity reactions to the drug substance, inactive ingredients in the drug product, or other monoclonal antibodies. 22. Lactating women, or women who are confirmed to be pregnant by pregnancy test within 3 days prior to the first dose.

Contact & Investigator

Central Contact

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Frequently Asked Questions

Who can join the NCT06439771 clinical trial?

This trial is open to female participants only, aged 18 Years or older, up to 75 Years, studying Locally Advanced or Metastatic Breast Cancer. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06439771 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT06439771 currently recruiting?

Yes, NCT06439771 is actively recruiting participants. Visit ClinicalTrials.gov or contact MediLink Therapeutics (Suzhou) Co., Ltd. to inquire about joining.

Where is the NCT06439771 trial being conducted?

This trial is being conducted at Shanghai, China.

Who is sponsoring the NCT06439771 clinical trial?

NCT06439771 is sponsored by MediLink Therapeutics (Suzhou) Co., Ltd.. The trial plans to enroll 180 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology