2023
Trastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate with topoisomerase I inhibitor payload, shows antitumor activity in uterine and ovarian carcinosarcoma with HER2/neu expression
Mauricio D, Bellone S, Mutlu L, McNamara B, Manavella D, Demirkiran C, Verzosa M, Buza N, Hui P, Hartwich T, Harold J, Yang-Hartwich Y, Zipponi M, Altwerger G, Ratner E, Huang G, Clark M, Andikyan V, Azodi M, Schwartz P, Santin A. Trastuzumab deruxtecan (DS-8201a), a HER2-targeting antibody–drug conjugate with topoisomerase I inhibitor payload, shows antitumor activity in uterine and ovarian carcinosarcoma with HER2/neu expression. Gynecologic Oncology 2023, 170: 38-45. PMID: 36610380, PMCID: PMC10445234, DOI: 10.1016/j.ygyno.2022.12.018.Peer-Reviewed Original ResearchConceptsHER2/neu expressionDS-8201aAntibody-drug conjugatesNeu expressionCS cell linesTrastuzumab deruxtecanOvarian carcinosarcomaTopoisomerase I inhibitor payloadCell linesAggressive gynecologic malignancyLimited therapeutic optionsEffective antibody-drug conjugatesCarcinosarcoma cell lineGynecologic malignanciesTherapeutic optionsIsotype controlSarcomatous elementsXenograft modelBystander killingFlow cytometryTumor cellsCarcinosarcomaAntitumor activityVivo studiesVivo activity
2020
Selection of HER2/NEU negative tumor cells as a mechanism of resistance to trastuzumab in uterine serous carcinoma
Pelligra S, Buza N, Hui P, Bellone S, Zeybek B, Ratner E, Schwartz PE, Scambia G, Santin AD. Selection of HER2/NEU negative tumor cells as a mechanism of resistance to trastuzumab in uterine serous carcinoma. Gynecologic Oncology Reports 2020, 32: 100554. PMID: 32140533, PMCID: PMC7049633, DOI: 10.1016/j.gore.2020.100554.Peer-Reviewed Original ResearchUterine serous carcinomaHER2/neuNegative tumor cellsUSC patientsTumor cellsSerous carcinomaHER2/neu overexpressionCarboplatin/paclitaxelInitial clinical responsePost-treatment biopsiesHumanized monoclonal antibodyC-erbB2 gene amplificationNCCN guidelinesClinical responseEndometrial cancerPreferred regimenAggressive variantMechanisms of resistanceNeu overexpressionRecurrent/HER2/TrastuzumabPatientsMonoclonal antibodiesNeu