[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100597972":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":26,"centralContacts":35,"locations":41,"responsibleParty":56,"collaborators":58,"id":74,"slug":75,"hasResults":76,"nctId":77,"briefTitle":78,"officialTitle":79,"acronym":26,"eligibilityCriteria":80,"healthyVolunteers":76,"sex":81,"minAge":82,"maxAge":83,"enrollmentInfo":84,"targetDuration":26,"studyType":87,"phases":88,"briefSummary":90,"conditions":91,"keywords":93,"overallStatus":43,"whyStopped":26,"lastUpdateSubmitDate":95,"lastUpdatePostDateStruct":96,"startDateStruct":99,"completionDateStruct":101,"leadSponsor":103,"locationsCount":104},{"fullName":5,"class":6},"The First Affiliated Hospital with Nanjing Medical University","OTHER",[8,15],{"label":9,"type":10,"description":11,"interventionNames":12},"RC48 + Bevacizumab","EXPERIMENTAL","Participants receive Disitamab Vedotin (RC48) at 2.0 mg\u002Fkg IV every 2 weeks plus Bevacizumab 7.5 mg\u002Fkg IV every 2 weeks. Treatment continues until disease progression, unacceptable toxicity, withdrawal of consent, or initiation of new anticancer therapy.",[13,14],"Drug: Disitamab Vedotin (RC48)","Drug: Bevacizumab",{"label":16,"type":10,"description":17,"interventionNames":18},"RC48 + Pyrotinib","Participants receive Disitamab Vedotin (RC48) at 2.0 mg\u002Fkg IV every 2 weeks plus Pyrotinib 320 mg orally once daily (post-meal). Treatment continues until disease progression, unacceptable toxicity, withdrawal of consent, or initiation of new anticancer therapy.",[13,19],"Drug: Pyrotinib",[21,27,31],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"DRUG","Disitamab Vedotin (RC48)","A HER2-targeted antibody-drug conjugate comprising a humanized anti-HER2 monoclonal antibody linked via a cathepsin-cleavable MC-VC-PAB linker to the microtubule inhibitor MMAE (drug-to-antibody ratio ≈4). Administered intravenously at 2.0 mg\u002Fkg every 2 weeks.",[9,16],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Bevacizumab","A recombinant humanized monoclonal antibody that binds vascular endothelial growth factor (VEGF) to inhibit tumor angiogenesis. Administered intravenously at 7.5 mg\u002Fkg every 2 weeks in combination with RC48.",[9],{"type":22,"name":32,"description":33,"armGroupLabels":34,"otherNames":26},"Pyrotinib","An irreversible pan-HER tyrosine kinase inhibitor targeting HER1, HER2, and HER4, inhibiting downstream PI3K\u002FAkt and MAPK signaling. Administered orally at 320 mg once daily (post-meal) in combination with RC48.",[16],[36],{"name":37,"role":38,"phone":39,"phoneExt":26,"email":40},"Wei Li, Ph.D","CONTACT","025-68307102","liwei1218@njmu.edu.cn",[42],{"facility":5,"status":43,"city":44,"state":45,"zip":26,"country":46,"countryCode":47,"cosmosGeoPoint":48,"geoPoint":53,"contacts":54},"RECRUITING","Nanjing","Jiangsu","China","CN",{"type":49,"coordinates":50},"Point",[51,52],118.77778,32.06167,{"lat":52,"lon":51},[55],{"name":37,"role":38,"phone":39,"phoneExt":26,"email":40},{"type":57,"investigatorFullName":26,"investigatorTitle":26,"investigatorAffiliation":26,"oldNameTitle":26,"oldOrganization":26},"SPONSOR",[59,61,64,66,68,70,72],{"name":60,"class":6},"RenJi Hospital",{"name":62,"class":63},"Anhui Provincial Hospital","OTHER_GOV",{"name":65,"class":6},"The Affiliated Hospital of Xuzhou Medical University",{"name":67,"class":6},"The First Hospital of Jilin University",{"name":69,"class":6},"Shanghai Minhang Central Hospital",{"name":71,"class":6},"Zhejiang Cancer Hospital",{"name":73,"class":6},"Huai'an First People's Hospital","100597972","phase-2-rc48-plus-bevacizumab-or-pyrotinib-in-her2-positive-metastatic-breast-cancer-after-t-dxd-failure-a-phase-ii-study-100597972",false,"NCT07065435","RC48 Plus Bevacizumab or Pyrotinib in HER2-Positive Metastatic Breast Cancer After T-DXd Failure: A Phase II Study","Efficacy and Safety of Disitamab Vedotin (RC48) in Combination With Bevacizumab or Pyrotinib in Patients With HER2-Positive Metastatic Breast Cancer After Trastuzumab Deruxtecan (T-DXd) Treatment Failure: A Phase II Study","Inclusion Criteria:\n\n1. Age ≥18 years.\n2. Histologically or cytologically confirmed HER2-positive (IHC 3+ or IHC 2+ with ISH amplification) advanced or metastatic breast cancer.\n3. Prior treatment with trastuzumab deruxtecan (T-DXd) and documented disease progression during or after therapy.\n4. At least one measurable lesion at baseline as defined by RECIST v1.1.\n5. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.\n6. Adequate organ and marrow function, including:\n\nAbsolute neutrophil count ≥1.5 × 10⁹\u002FL Platelet count ≥100 × 10⁹\u002FL Hemoglobin ≥9 g\u002FdL ALT and AST ≤2.5 × ULN Total bilirubin ≤1.5 × ULN Creatinine clearance ≥50 mL\u002Fmin Estimated life expectancy of ≥12 weeks. Ability to understand and willingness to sign a written informed consent form.\n\nExclusion Criteria:\n\n1. Prior treatment with disitamab vedotin (RC48).\n2. Active infections requiring systemic therapy (bacterial, viral, or fungal).\n3. History of interstitial lung disease or non-infectious pneumonitis requiring corticosteroid therapy.\n4. Uncontrolled cardiovascular disease, including but not limited to: uncontrolled hypertension, recent myocardial infarction (within 6 months), unstable angina, or congestive heart failure.\n5. Pregnant or breastfeeding women.\n6. Concurrent malignancy other than adequately treated basal cell carcinoma of the skin or in situ carcinoma of the cervix, unless disease-free for ≥5 years.\n7. Participation in another interventional clinical trial with investigational agents not yet completed.\n8. Any condition that, in the opinion of the investigator, would interfere with the subject's ability to comply with study requirements or jeopardize their safety.","FEMALE","18 Years","75 Years",{"count":85,"type":86},74,"ESTIMATED","INTERVENTIONAL",[89],"PHASE2","This multicenter, Phase II study (RADIANT-BC01) evaluates the efficacy and safety of Disitamab Vedotin (RC48) in combination with either bevacizumab or pyrotinib in adult patients with HER2-positive metastatic breast cancer whose disease has progressed on prior trastuzumab deruxtecan (T-Dxd) therapy.\n\nEligible participants will be randomized 1:1 to receive RC48 plus bevacizumab (7.5 mg\u002Fkg IV every 2 weeks) or RC48 plus pyrotinib (320 mg orally once daily). Treatment continues until disease progression, unacceptable toxicity, withdrawal of consent, or initiation of new anticancer therapy.\n\nThe primary endpoint is objective response rate (ORR); key secondary endpoints include progression-free survival (PFS), disease control rate (DCR), duration of response (DOR), overall survival (OS), and safety.\n\nThis study aims to identify new post-T-Dxd treatment options and improve outcomes for patients with advanced HER2-positive breast cancer.",[92],"HER2 + Breast Cancer",[23,28,32,94],"Trastuzumab deruxtecan failure","2025-07-13",{"date":97,"type":98},"2025-07-15","ACTUAL",{"date":100,"type":98},"2024-01-01",{"date":102,"type":86},"2026-01-01",{"name":5,"class":6},1]