2024
Phase Ib Study of PRT543, an Oral Protein Arginine Methyltransferase 5 (PRMT5) Inhibitor, in Patients with Relapsed or Refractory, Splicing Factor-Mutant Myeloid Malignancies
Bewersdorf J, Mi X, Lu B, Kuykendall A, Sallman D, Patel M, Stevens D, Philipovskiy A, Sutamtewagul G, Masarova L, Keiffer G, Verma A, Bhagwat N, Heiser D, Ro S, Hong W, Abdel-Wahab O, Stein E. Phase Ib Study of PRT543, an Oral Protein Arginine Methyltransferase 5 (PRMT5) Inhibitor, in Patients with Relapsed or Refractory, Splicing Factor-Mutant Myeloid Malignancies. Blood 2024, 144: 3215. DOI: 10.1182/blood-2024-198495.Peer-Reviewed Original ResearchTreatment-emergent adverse eventsPlatelet transfusion independenceProtein arginine methyltransferase 5Myeloid malignanciesSplicing factor mutationsSymmetric dimethyl arginineMedian PFSTransfusion independenceFollow-upOpen-label phase Ib studyRed blood cell transfusion-dependentPRMT5 inhibitionAdequate end-organ functionBaseline serum EPO levelsRecommended phase 2 doseMedian duration of treatmentGrade 5 eventsLower-risk MDSMDS/MPN overlap syndromesPhase 2 doseIntensive induction chemotherapyPeripheral blood mononuclear cellsHigh-risk MDSPhase Ib studyMedian follow-up
2023
TP53 Y220C Mutations in Patients with Myeloid Malignancies
Gener-Ricos G, Bewersdorf J, Loghavi S, Goldberg A, Famulare C, Issa G, Borthakur G, Kadia T, Carter B, Patel K, Andreeff M, Stein E, DiNardo C. TP53 Y220C Mutations in Patients with Myeloid Malignancies. Blood 2023, 142: 1477. DOI: 10.1182/blood-2023-189343.Peer-Reviewed Original ResearchLeukemia-free survivalAcute myeloid leukemiaMedian leukemia-free survivalVariant allele frequencyMedian follow-upStem cell transplantationMyeloid neoplasmsHot spot mutationsTP53 mutationsCo-mutationsFollow-upMyelodysplastic syndromeMyeloid malignanciesOverall survivalHematologic malignanciesMyeloid leukemiaSolid tumorsTransformation to acute myeloid leukemiaMedian variant allele frequencyTherapy-related myeloid neoplasmsAcute myeloid leukemia transformationMemorial Sloan-Kettering Cancer CenterY220C mutationTP53 co-mutationsNext generation sequencing assay