About this trial
This is a prospective, randomised, controlled, multicentre study to evaluate the efficacy and safety of continuous versus intermittent pyrotinib therapy in patients with human epidermal growth factor receptor (HER2)-positive advanced breast cancer.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age≥18 years old
Pathologically confirmed advanced or locally advanced breast cancer not amenable to curative surgery
Pathologically confirmed HER2+ at least once for either primary or metastatic lesion
Previously treated with any number of lines for advanced disease and eligible for a pyrotinib-containing regimen at the discretion of physician
Disqualifiers
During pregnancy and lactation
Difficulties with pyrotinib administration or absorption
Trial design
Parallel
Treatments tested in this trial
Pyrotinib
Druganti-HER2 tyrosine kinase inhibitor
Treatment groups
Trial outcomes
Primary outcomes
Overall response rate (ORR)
ORR is the percentage of subjects with complete remission (CR) or partial remission (PR) as the best response during the period from the beginning of the treatment to the progression of the disease or the completion of therapy (CR+PR)/Analysis of the total number of people. Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) was used to assess the objective tumor response.
Secondary outcomes
Progression-Free Survival (PFS)
PFS is defined as the time from the date of starting maintenance therapy to the date of disease progression or death from any cause, whichever occurs first.
Adverse events
Adverse events during maintenance therapy will be assessed according to the NCI CTCAE v5.0.
Sponsors and contacts
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Wenjin Yin
Lead sponsor
RenJi Hospital
Sponsor institution