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 MSIA phase II evaluation of pembrolizumab in recurrent microsatellite instability-high (MSI-H) endometrial cancer patients with Lynch-like versus MLH-1 methylated characteristics (NCT02899793).
Roque D, Bellone S, Siegel E, Buza N, Bonazzoli E, Guglielmi A, Zammataro L, Nagarkatti N, Zaidi S, Lee J, Schwartz P, Ratner E, Alexandrov L, Iwasaki A, Kong Y, Song E, Dong W, Elvin J, Choi J, Santin A. A phase II evaluation of pembrolizumab in recurrent microsatellite instability-high (MSI-H) endometrial cancer patients with Lynch-like versus MLH-1 methylated characteristics (NCT02899793). Journal Of Clinical Oncology 2021, 39: 5523-5523. DOI: 10.1200/jco.2021.39.15_suppl.5523.Peer-Reviewed Original ResearchObjective response rateImmune checkpoint inhibitorsEndometrial cancer patientsTumor mutational burdenCancer patientsGrade 3/4 treatment-related adverse eventsSolid Tumors version 1.1Treatment-related adverse eventsSporadic tumorsPhase II pilot studyOverall survival proportionPrimary end pointResponse Evaluation CriteriaPhase II evaluationAntigen processing/presentationProcessing/presentationAdverse eventsICI resistancePrognostic significanceMechanisms of resistancePolymerase chain reactionII evaluationClinical studiesMutational burdenPatients