Clinical trial · Interventional
A Study of 9MW2821 Versus Chemotherapy in Participants With Previously Treated Locally Advanced or Metastatic Triple-Negative Breast Cancer
A Randomized, Open-label, Phase 3 Study to Evaluate 9MW2821 Versus Investigator's Choice of Chemotherapy in Participants With Locally Advanced or Metastatic Triple-Negative Breast Cancer Who Have Previously Received Taxane-based Chemotherapy With or Without Immunotherapy and an Antibody-drug Conjugate With a Topoisomerase Inhibitor Payload
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The purpose of this study is to compare the efficacy and safety of 9MW2821 versus investigator's choice of chemotherapy in participants with locally advanced or metastatic triple-negative breast cancer who have previously received taxane-based chemotherapy with or without immunotherapy and an antibody-drug conjugate with a topoisomerase inhibitor payload
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Locally Advanced or Metastatic Triple-negative Breast Cancer | — | UNRESOLVED | — |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| 9MW2821 | Drug | — | UNRESOLVED |
| Chemotherapy | Drug | Chemotherapy | ALIAS |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Experimental: 9MW2821
- description
- Participants will receive intravenous (IV) infusion of 9MW2821 as per protocol
- interventionNames
- Drug: 9MW2821
- type
- ACTIVE_COMPARATOR
- label
- Active Comparator: Investigator's Choice of Chemotherapy
- description
- Participants will receive investigator's choice of chemotherapy determined prior to randomization from 1 of the 4 allowed regimens as per protocol: eribulin, or vinorelbine or capecitabine or gemcitabine.
- interventionNames
- Drug: Chemotherapy
Primary outcomes (1)
- measure
- Overall Survival
- timeFrame
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * Competent to comprehend, sign, and date an independent ethics committee/institutional review board/research ethics board (IEC/IRB/REB) approved informed consent form. * Male or female subjects aged 18 to 75 years (including 18 and 75 years). * ECOG 0-1. * Histopathological diagnosed triple-negative breast cancer. * Patient has previously received taxane-based chemotherapy with or without immunotherapy and an antibody-drug conjugate with a topoisomerase inhibitor payload. * Suitable for one of active comparator chemotherapy assessed by investigator. * An archival tumor tissue sample or a fresh tissue sample should be provided. * Life expectancy of ≥ 12 weeks. * Subjects must have measurable disease according to RECIST (version 1.1). * Adequate organ functions. * Sexually active fertile participants, and their partners, must agree to use methods of contraception during the study and at least 6 months after termination of study therapy. Exclusion Criteria: * Preexisting treatment related toxicity Grade ≥ 2 and Grade ≥ 3 immune related adverse reactions. * Preexisting peripheral neuropathy Grade ≥ 2. * Hemoglobin A1C (HbA1c) ≥ 8%. * Has ocular conditions or symptoms that may increase the risk of the study. * History of ILD or pneumotitis, other severe or uncontrolled disease or central nervous system metastases and/or meningeal metastasis. * Previous medication does not meet the requirements. * Known sensitivity to any of the ingredients of the investigational product; History of drug abuse or mental illness. * Documented history of pulmonary embolism or clinically significant cardiac or cerebrovascular diseases . * Active autoimmune disease. * History of another malignancy . * Pleural, abdominal, or pericardial effusion with clinical symptoms or that require drainage treatment. * Not suitable to receive study treatment for other conditions as per investigator.
References
Publications (0)
Data not yet available