2021
A phase 2 evaluation of pembrolizumab for recurrent Lynch‐like versus sporadic endometrial cancers with microsatellite instability
Bellone S, Roque DM, Siegel ER, Buza N, Hui P, Bonazzoli E, Guglielmi A, Zammataro L, Nagarkatti N, Zaidi S, Lee J, Silasi D, Huang GS, Andikyan V, Damast S, Clark M, Azodi M, Schwartz PE, Tymon‐Rosario J, Harold JA, Mauricio D, Zeybek B, Menderes G, Altwerger G, Ratner E, Alexandrov LB, Iwasaki A, Kong Y, Song E, Dong W, Elvin JA, Choi J, Santin AD. A phase 2 evaluation of pembrolizumab for recurrent Lynch‐like versus sporadic endometrial cancers with microsatellite instability. Cancer 2021, 128: 1206-1218. PMID: 34875107, PMCID: PMC9465822, DOI: 10.1002/cncr.34025.Peer-Reviewed Original ResearchConceptsObjective response rateImmune checkpoint inhibitorsProgression-free survivalEndometrial cancerWhole-exome sequencingSporadic endometrial cancerOverall survivalEnd pointPhase 2 pilot studyPrimary end pointSecondary end pointsTumor mutation burdenPhase 2 evaluationLarger confirmatory studiesAntigen processing/presentationProcessing/presentationCheckpoint inhibitorsSurgical resectionICI resistanceDMMR patientsPrognostic significanceDMMR tumorsMechanisms of resistanceLocal treatmentSporadic MSI
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