Efficacy & Safety of PD-L1 Monoclonal Antibody Combined With Metronomic

Status Not yet recruiting

Clinical Trial Summary

In recent years, immune therapy has significantly altered the treatment landscape for various malignant tumors, including breast cancer. Apart from its direct cytotoxic effects on tumor cells, metronomic chemotherapy has the potential to modulate the immune microenvironment, thereby demonstrating substantial synergistic potential with immune therapy. In a previous prospective adaptive randomized phase II clinical trial, we identified a promising regimen involving PD-1 monoclonal antibody in combination with vinorelbine + cyclophosphamide + capecitabine (VEX) metronomic chemotherapy. Building on this foundation, we plan to conduct a multicenter, randomized, controlled phase II study to evaluate the efficacy and safety of the PD-L1 monoclonal antibody in combination with VEX metronomic chemotherapy for patients with advanced triple-negative breast cancer, aiming to provide crucial evidence to guide medication for patients in advanced stages. The control group will receive metronomic oral vinorelbine 20 mg every other day + cyclophosphamide 50 mg daily + capecitabine 500 mg three times daily. The experimental group will receive additional PD-L1 inhibitor adebrelimab at a dose of 1200 mg via intravenous infusion every three weeks. Each cycle consists of three weeks, with imaging examinations conducted every six weeks (two cycles) to assess treatment efficacy. Subjects will continue medication until imaging indicates disease progression, toxicity becomes intolerable, withdrawal of informed consent, or the investigator deems it necessary to terminate medication. Evaluation will include efficacy indicators such as median progression-free survival, safety indicators like drug-related adverse reactions, patient survival quality, along with an exploratory analysis of biomarkers potentially associated with efficacy.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06229067
Study type	Interventional
Source	Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Contact
Status	Not yet recruiting
Phase	Phase 2
Start date	January 19, 2024
Completion date	January 19, 2027

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Efficacy and Safety of PD-L1 Monoclonal Antibody Combined With Metronomic VEX in Advanced Triple-negative Breast Cancer

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms