SHR-A1811 and THPy in First or Second Line for HER2 Positive Advanced Breast Cancer Brain Metastases

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SHR-A1811 and THPy in First or Second Line for HER2 Positive Advanced Breast Cancer Brain Metastases

Study Purpose

The aim of this project is to evaluate whether the sequence of Trastuzumab，pyrotinib and Nab-Paclitaxel in first line followed by SHR-A1811 in second line is superior to the sequence of SHR-A1811 in first line followed by Trastuzumab，pyrotinib and Nab-Paclitaxel in second line for HER2 positive breast cancer brain metastases.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	No
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Interventional
Eligible Ages	18 Years and Over
Gender	Female

More Inclusion & Exclusion Criteria

Inclusion Criteria:

1. Females ≥18 yrs old. 2. Pathologically confirmed HER2-positive advanced breast cancer; 3. Newly diagnosed brain metastes,At least one measurable intracranial lesion. 4. Not received any systemic treatment for advanced stage. 5. Radiotherapy was allowed in patients with an urgent need for control of intracranial symptoms. 6. Adequate function of major organs. 7. Willing to join in this study, able to provide written informed consent, good compliance and willing to cooperate with follow-up.

Exclusion Criteria:

1.Has leptomeningeal metastasis or cystic metastatic lesions confirmed by MRI or lumbar puncture; 2.Existence of third space fluid (e.g. massive ascites, pleural effusion, pericardial effusion) that is not well controlled by effective methods, e.g. drainage; 3.Has received whole brain radiotherapy, chemotherapy, surgery within 2 weeks before first dose of study therapy; 4.Has known clinically significant lung disease, that is, moderate-to-severe lung disease which severely affects respiratory function, including but not limited to: idiopathic pulmonary fibrosis, pneumonitis. Prior ≥ grade 3 interstitial lung disease is not allowed to enrolment; 5.Has received full-dose anticoagulants or thrombolytics within 10 days before enrolment, or non-steroid anti-inflammatory drugs with platelet inhibition 6.Previous treatment with trastuzumab deruxtecan (DS-8201a) or any other antibody drug conjugate (ADC) which consists of an exatecan derivative that is a topoisomerase 1 inhibitor; 7.Participated in other drug clinical trials within 4 weeks before admission; 8.Other malignant tumors, excluding cured cervical carcinoma in situ, skin basal cell carcinoma or skin squamous cell carcinoma, have been diagnosed in the past five years. -

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT06975475
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.	Phase 2
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	N/A
Principal Investigator Affiliation	N/A
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Not yet recruiting
Countries
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Breast Cancer