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 efficacySabatolimab in Combination with Hypomethylating Agents (HMAs) Was Safe in Patients (Pts) with Intermediate-, High-, or Very-High-Risk Myelodysplastic Syndrome (MDS)
Garcia-Manero G, Lyons R, Nandal S, Ashraf M, Thellaboina R, Ruckel-Kumar J, Menssen H, Zeidan A. Sabatolimab in Combination with Hypomethylating Agents (HMAs) Was Safe in Patients (Pts) with Intermediate-, High-, or Very-High-Risk Myelodysplastic Syndrome (MDS). Blood 2023, 142: 4606. DOI: 10.1182/blood-2023-186490.Peer-Reviewed Original ResearchHigh-risk myelodysplastic syndromeAdverse eventsHematologic improvementPartial remissionMyelodysplastic syndromeHypomethylating agentMarrow CRInterim analysisStable diseaseData cutoffLast doseInternational Prognostic Scoring System criteriaResponse rateCount decreaseCycle 1 day 1Second-line treatment optionExtension phaseHematologic adverse eventsNeutrophil count decreaseOral hypomethylating agentPhase Ib studySerious adverse eventsFatal adverse eventsMonths of treatmentSingle-arm study
2022
A randomized phase 2 trial of azacitidine with or without durvalumab as first-line therapy for higher-risk myelodysplastic syndromes
Zeidan AM, Boss I, Beach C, Copeland WB, Thompson E, Fox BA, Hasle VE, Ogasawara K, Cavenagh J, Silverman LR, Voso MT, Hellmann A, Tormo M, O'Connor T, Previtali A, Rose S, Garcia-Manero G. A randomized phase 2 trial of azacitidine with or without durvalumab as first-line therapy for higher-risk myelodysplastic syndromes. Blood Advances 2022, 6: 2207-2218. PMID: 34972214, PMCID: PMC9006291, DOI: 10.1182/bloodadvances.2021005487.Peer-Reviewed Original ResearchConceptsHigh-risk myelodysplastic syndromeAdverse eventsArm BArm ASubcutaneous azacitidineMyelodysplastic syndromeTreatment cyclesRandomized phase 2 trialInhibitory immune checkpoint moleculesHematologic adverse eventsMedian overall survivalFirst-line therapyFirst-line treatmentPhase 2 studyPhase 2 trialImmune checkpoint moleculesOverall response rateBone marrow granulocytesAzacitidine monotherapyIntravenous durvalumabCheckpoint moleculesOverall survivalClinical outcomesMarrow granulocytesGrade 3