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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05042791
Other study ID # 20210901-jiangchunling
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date March 1, 2022
Est. completion date September 30, 2025

Study information

Verified date February 2024
Source Jiangxi Provincial Cancer Hospital
Contact Chunling no Jiang, Dr.
Phone +86 13979109200
Email jclil2002@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study evaluates the efficacy and safety of SRT combined with pyrotinib and capecitabine in the treatment of patients with HER2-positive advanced breast cancer patients with brain metastases.


Description:

Brain metastases occur in 30-50% of patients with metastatic HER2-positive breast cancer. In the case of multiple brain metastases, radiation therapy is the preferred therapeutic approaches. However, the side effects of WBRT for long-lived patients are also obvious, such as irreversible decline in cognitive function and decline in memory function. WBRT can also cause extensive hair loss and extensive white matter lesions on imaging. Pyrotinib as an oral tyrosine kinase inhibitor has good efficacy and safety in patients with breast cancer brain metastases. Therefore, in order to reduce the impact of WBRT on the cognitive function, a phase II clinical study of SRT versus WBRT combined with pyrotinib and capecitabine in the treatment of MBC with brain metastases was carried out to explore the efficacy and safety of radiotherapy de-escalation therapy.


Recruitment information / eligibility

Status Recruiting
Enrollment 362
Est. completion date September 30, 2025
Est. primary completion date September 30, 2025
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: 1. Age> 18 years old, female 2. KPS=70 3. HER2-positive breast cancer is confirmed by the pathology laboratory with an immunohistochemical (IHC) score of 3+ and/or 2+ and a positive in situ hybridization (ISH) test (ISH amplification rate = 2.0) 4. Brain metastasis confirmed by MRI, in line with the indications for whole brain radiotherapy 5. At least one measurable brain lesion exists according to the RECIST 1.1 standard 6. Unlimited number of previous chemotherapy lines 7. Have not used capecitabine in the past, or progressed 6 months after capecitabine stopped, or progressed after capecitabine as adjuvant therapy stopped for one year 8. The expected survival period is more than 12 weeks 9. Patients must have adequate organ function, criteria as follows. 1. Blood routine examination:Absolute Neutrophil Count (ANC)=1.5×109/L;PLT =100×109/L; Hb =90g/L 2. Blood chemistry test:TBIL =1.5 times the upper limit of normal (ULN); ALT and AST=3 times ULN; For patients with liver metastases, ALT and AST=5×ULN; BUN and Cr=1×ULN and creatinine clearance =50mL/min (CockcroftGault formula); 3. Ultrasonic cardiogram: LVEF=50% 4. 12-lead ECG: The QT interval (QTcF) corrected by Fridericia's method is < 470 ms 10. Patients with known hormone receptor status 11. Patients need to voluntarily join this study after they fully understand and sign the informed consent form. Patients need to have good compliance and be willing to cooperate with follow-up. Exclusion Criteria: 1. Patients with brain metastases with extensive meningeal metastasis 2. Brain metastases within 5 mm of the hippocampus 3. There are many factors that affect the administration and absorption of drugs, for example: inability to swallow, chronic diarrhea and intestinal obstruction 4. Those who have received chemotherapy, surgical treatment (excluding local puncture) or molecular targeted therapy within 4 weeks before enrollment; those who have received anti-tumor endocrine therapy after the screening period 5. Participated in other drug clinical trials within 4 weeks before enrollment 6. Have used or are currently using HER2 tyrosine kinase inhibitors (lapatinib, niratinib, pyrotinib, etc.) 7. Suffered from other malignant tumors in the past 5 years, excluding cured cervical carcinoma in situ, skin basal cell carcinoma or skin squamous cell carcinoma 8. Receive any other anti-tumor therapy at the same time 9. Those who are known to have a history of allergies to the drug; have a history of immunodeficiency, including positive HIV tests, HCV, active hepatitis B, or other acquired or congenital immunodeficiency diseases, or organ transplants history 10. Have ever suffered from any heart disease, including: (1) arrhythmia requiring medication or clinical significance; (2) myocardial infarction; (3) heart failure; (4) anyone judged by the researcher as unsuitable for participation becase of other heart diseases in this trial, etc. 11. Female patients during pregnancy and lactation, female patients with fertility and a positive baseline pregnancy test, or female patients of childbearing age who are unwilling to take effective contraceptive measures during the entire trial period 12. According to the judgment of the investigator, there are accompanying diseases that seriously endanger the safety of the patient or affect the completion of the study (including but not limited to severe hypertension that cannot be controlled by drugs, severe diabetes, active infection, etc.) 13. The patient has not recovered from the toxicity of the previous treatment to grade 0-1 (except for hair loss) 14. Have a clear history of neurological or psychiatric disorders, including epilepsy or dementia 15. Concomitant use of CYP3A4 inhibitors or inducers or drugs that prolong the QT interval 16. Any other circumstances that are not suitable for inclusion in this study (investigator assessment)

Study Design


Related Conditions & MeSH terms


Intervention

Combination Product:
radiation combined with pyrotinib and capecitabine
This study selects different radiation (SRT or WBRT) combined with pyrotinib and capecitabine to treat HER2-positive advanced breast cancer patients with brain metastases

Locations

Country Name City State
China Jiangxi Cancer Hospital of Nanchang University Nanchang Jiangxi

Sponsors (1)

Lead Sponsor Collaborator
Jiangxi Provincial Cancer Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary CNS-ORR Objective response rate of central nervous system Estimated up to 1 year
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