Prelude Therapeutics Incorporated, a clinical-stage biopharmaceutical company, focuses on the discovery and development of novel precision cancer medicines to underserved patients. It is developing PRT1419, a myeloid cell leukemia-1 inhibitor, which is in Phase 1 clinical trial for the treatment of selected relapsed/refractory myeloid or B-cell malignancies; PRT2527, a cyclin-dependent kinase, which is in Phase 1 clinical trial for the treatment of advanced solid tumors; PRT3645, a cyclin-dependent kinase 4/6 inhibitor, which is in Phase 1 clinical trial for the treatment of advanced and metastatic solid tumors; and PRT3879, a SMARCA2 selective protein degrader, which is in Phase 2/3 clinical trial for the treatment of advanced and metastatic solid tumors with loss of SMARCA4 due to truncating mutation and/or deletion. The company's CDK9 program is a regulator of cancer-promoting transcriptional programs, including MCL1, MYC and MYB. Prelude Therapeutics Incorporated was incorporated in 2016 and is based in Wilmington, Delaware.