Clinical trial · Interventional
A Study of MR001 in Patients With Locally Recurrent or Metastatic Advanced Triple-Negative Breast Cancer (TNBC)
A Phase Ib/IIa, Open-Label, Two-Cohort, Dose-Escalation and Dose-Expansion Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Anti-tumor Activity of MR001 in Patients With Locally Recurrent or Metastatic Advanced Triple-Negative Breast Cancer (TNBC) Who Have Progressed After First-Line or Later-Line Therapy
- 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)
This Phase Ib/IIa study is evaluating the safety, tolerability, pharmacokinetics, and preliminary efficacy of MR001 in patients with advanced triple-negative breast cancer (TNBC) who have progressed after prior therapy.
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 |
|---|---|---|---|
| Triple-Negative Breast Cancer (TNBC) | Triple-Negative Breast Carcinoma | ALIAS | 0.85 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| MR001 Bispecific Antibody for Injection | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (5)
- type
- EXPERIMENTAL
- label
- Dose Escalation Part, Dose Group A: MR001 1 mg/kg, QW
- interventionNames
- Drug: MR001 Bispecific Antibody for Injection
- type
- EXPERIMENTAL
- label
- Dose Escalation Part, Dose Group B: MR001 2 mg/kg, QW
- interventionNames
- Drug: MR001 Bispecific Antibody for Injection
- type
- EXPERIMENTAL
- label
- Dose Escalation Part, Dose Group C: MR001 4 mg/kg, QW
- interventionNames
- Drug: MR001 Bispecific Antibody for Injection
- type
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * Patients with histologically or cytologically confirmed triple-negative breast cancer (TNBC). * Subjects with locally recurrent or metastatic advanced TNBC who have progressed after first-line or later-line therapy. * Presence of at least one measurable lesion according to RECIST V1.1 criteria. * ECOG Performance Status 0 or 1. * Life expectancy \>3 months. * Adequate organ and hematopoietic function based on the laboratory tests. * Voluntarily sign the informed consent form. Exclusion Criteria: * History of severe allergy or hypersensitivity to the investigational product or its excipients or drugs of similar chemical class (e.g., monoclonal antibodies), or contraindications to the investigational product. * Requirement for systemic immunosuppressive therapy within 14 days prior to the first dose of study drug or during the study. * Major surgery (excluding puncture biopsy) within 4 weeks prior to the first dose of study drug, or anticipated need for major surgery during this study. * Uncontrolled active brain metastases or leptomeningeal metastasis. * History of autoimmune disease requiring treatment with corticosteroids or immunosuppressive drugs. * Women in the period of preconception, pregnancy, or lactation. * Any other circumstances which the investigator considers may increase risks to subjects or interfere with the results of the trial.
References
Publications (0)
Data not yet available