2023
A multicenter phase Ib trial of the histone deacetylase inhibitor entinostat in combination with pembrolizumab in patients with myelodysplastic syndromes/neoplasms or acute myeloid leukemia refractory to hypomethylating agents
Bewersdorf J, Shallis R, Sharon E, Park S, Ramaswamy R, Roe C, Irish J, Caldwell A, Wei W, Yacoub A, Madanat Y, Zeidner J, Altman J, Odenike O, Yerrabothala S, Kovacsovics T, Podoltsev N, Halene S, Little R, Piekarz R, Gore S, Kim T, Zeidan A. A multicenter phase Ib trial of the histone deacetylase inhibitor entinostat in combination with pembrolizumab in patients with myelodysplastic syndromes/neoplasms or acute myeloid leukemia refractory to hypomethylating agents. Annals Of Hematology 2023, 103: 105-116. PMID: 38036712, DOI: 10.1007/s00277-023-05552-4.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityAcute myeloid leukemiaMarrow complete remissionPhase Ib trialAdverse eventsIb trialDose escalationNCI Cancer Therapy Evaluation ProgramAcute myeloid leukemia refractoryHematologic adverse eventsProtocol-defined responseDose level 1Anti-PD1 therapyAnti-PD1 antibodyDose-escalation designLimited clinical efficacySystems immunology approachHistone deacetylase inhibitor entinostatLeukemia refractoryMCR patientsComplete remissionRespiratory failureSuppressor cellsEscalation designClinical efficacyA Phase I Study of Ruxolitinib in Combination with Abemaciclib for Patients with Primary or Post-Polycythemia Vera/Essential Thrombocythemia Myelofibrosis
Bewersdorf J, Derkach A, Masarova L, Pemmaraju N, Stein E, Mauro M, Rampal R, Bose P. A Phase I Study of Ruxolitinib in Combination with Abemaciclib for Patients with Primary or Post-Polycythemia Vera/Essential Thrombocythemia Myelofibrosis. Blood 2023, 142: 6440. DOI: 10.1182/blood-2023-174322.Peer-Reviewed Original ResearchDuration of responseMaximum tolerated doseDose of ruxolitinibCDK4/6 inhibitorsStable doseTolerated doseHormone receptor-positive metastatic breast cancerRisk of progression to acute myeloid leukemiaSymptom scoresPhase I dose-escalation trialProgression to acute myeloid leukemiaTreatment of hormone receptor-positive metastatic breast cancerAbsolute neutrophil count <Cancer CenterCombination of CDK4/6 inhibitorsUS FDAMemorial Sloan Kettering Cancer CenterGrade 1 diarrheaMedian overall survivalPre-study doseDose-limiting toxicityMD Anderson Cancer CenterBone marrow fibrosisNeutrophil count <Platelet count <
2022
Phase 1 study of anti-CD47 monoclonal antibody CC-90002 in patients with relapsed/refractory acute myeloid leukemia and high-risk myelodysplastic syndromes
Zeidan AM, DeAngelo DJ, Palmer J, Seet CS, Tallman MS, Wei X, Raymon H, Sriraman P, Kopytek S, Bewersdorf JP, Burgess MR, Hege K, Stock W. Phase 1 study of anti-CD47 monoclonal antibody CC-90002 in patients with relapsed/refractory acute myeloid leukemia and high-risk myelodysplastic syndromes. Annals Of Hematology 2022, 101: 557-569. PMID: 34981142, PMCID: PMC9414073, DOI: 10.1007/s00277-021-04734-2.Peer-Reviewed Original ResearchConceptsAnti-drug antibodiesAcute myeloid leukemiaDose-limiting toxicityRefractory acute myeloid leukemiaHigh-risk myelodysplastic syndromeMyelodysplastic syndromeMyeloid leukemiaCommon treatment-emergent adverse eventsTreatment-emergent adverse eventsADA-positive patientsPhase 2 dosePresence/frequencyUnexpected safety findingsPhase 1 studyAnti-CD47 antibodyCD47-SIRPα interactionMacrophage-mediated killingHematological cancer cell linesFebrile neutropeniaMonotherapy activityCancer cell linesPrimary endpointSecondary endpointsAdverse eventsObjective response