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Sacituzumab Govitecan Combined With Head Radiotherapy for Her2-negative Breast Cancer Brain Metastases

Brain Metastasis Clinical Trial

Official title:
A Phase II Clinical Study of Sacituzumab Govitecan Combined With Head Radiotherapy for the Treatment of Brain Metastases From Her2-negative Breast Cancer

Clinical Trial Summary

The incidence of brain metastasis of Her2-negative breast cancer is high, which seriously affects the prognosis of patients.The treatment of brain metastasis of Her2-negative breast cancer is still tricky. The local efficacy of head radiotherapy for breast cancer brain metastases is remarkable, and systemic tumor progression in patients with brain metastases is the main reason for treatment failure. Sacituzumab Govitecan is the only Trop-2 antibody-coupled drug (ADC) approved for the treatment of unresectable locally advanced or metastatic Her2-negative breast cancer. However, the objective remission rate of Sacituzumab Govitecan for intracranial metastatic lesions has not been satisfactory. This study is an open, uncontrolled phase II clinical study to observe the efficacy and safety of Sacituzumab Govitecan combined with intracranial radiotherapy in the treatment of patients with brain metastases from Her2-negative breast cancer, in order to find a more effective treatment method.

Clinical Trial Description

This study is a single-arm open phase II clinical trial. It aims to observe the effectiveness and safety of Sacituzumab Govitecan combined with head radiotherapy in the treatment of Her2-negative breast cancer brain metastases, and to search for a more effective treatment option for Her2-negative breast cancer brain metastases. Patients were treated with Sacituzumab Govitecan 10mg/kg every 21 days as a treatment cycle, which was infused intravenously on day 1 and day 8, and the treatment was continued until the disease progressed or unacceptable toxicity occurred. Radiotherapy was administered after the second infusion of Sacituzumab Govitecan, on day 9 after the start of this regimen. The radiotherapy regimen was: brain metastases at a dose of 60 Gy/20 doses. For lesions located adjacent to the brainstem and optic nerve, 54 Gy/20 doses were given. For patients with ≥5 lesions, whole-brain radiotherapy at 40 Gy/20 doses was synchronized with radiotherapy to localized brain metastases. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06462079
Study type Interventional
Source Guangzhou Medical University
Contact Zhenyu Pan
Phone +8618718178286
Email dr-zypan@163.com
Status Not yet recruiting
Phase Phase 2
Start date June 15, 2024
Completion date July 15, 2027
View Details
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