other material
confidence high
sentiment positive
materiality 0.65
Aprea reports Phase 1 safety data for ATRN-119; no hematologic or liver toxicities; WEE1i ATRN-1051 IND planned Q4 2023
Aprea Therapeutics, Inc.
- ATRN-119 Phase 1/2a dose escalation shows no hematologic or liver toxicities across first three cohorts (50, 100, 200 mg) in heavily pretreated solid tumor patients.
- One stable disease observed at 50 mg low dose; dose expansion cohort on track for Q2 2024; currently enrolling 350 mg cohort.
- Pre-clinical data for WEE1i ATRN-1051 shows high selectivity for WEE1 and low off-target activity against PLK kinases; IND submission planned for Q4 2023.
- ATRN-1051 preclinical findings also show limited effects on red blood cell counts, hERG inhibition, and body weight loss compared to other WEE1 inhibitors.