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Aprea Therapeutics, Inc.

Pipeline3 assets

  • APR-1051APR-1051 / WEE1 kinase / Oral small-molecule WEE1 inhibitor / Oncology
    CCNE1, CCNE2, FBXW7, PPP2R1A advanced solid tumorsPhase 1Monotherapy; potential safety/efficacy clinical data 2Q 2026; complete dose escalation 2Q 2027HPV+ oropharyngeal squamous cell carcinoma; cervical, vaginal or vulvar squamous cell carcinomaPhase 1MonotherapyKRAS G12/13 & TP53 colorectal cancerPhase 1Monotherapy
  • ATRN-119ATRN-119 / Mosipasertib / ATR / Oral macrocyclic small-molecule ATR inhibitor / Oncology
    ATRi synthetic lethal gene alterations in advanced solid tumors (ovarian, CRC, lung)Phase 1/2aMonotherapy; RP2D determinedHematological cancers (AML, MDS)Phase 1/2aMonotherapy; RP2D determined
  • APR-1602APR-1602 / DYRK1 / Oral small-molecule DYRK1 inhibitor / Oncology
    Solid tumors and hematological cancersIND-enablingReady to enter IND-enabling studies; milestone 4Q 2026

Latest news11 items

All news

Aprea Therapeutics Reports First Quarter 2026 Financial Results and Provides a Corporate Update

Oversubscribed $30 million private placement closed, with proceeds expected to support ongoing development of APR-1051 Two partial responses observed with continued encouraging tolerability in the ongoing Phase 1 dose escalation ACESOT-1051 trial of WEE1 inhibitor APR-1051 Additional clinical data

Presentation / Abstract • Phase 1ASCO poster presentation Sat, May 30, 2026, 1:30 PM CT

Aprea Therapeutics Announces Oversubscribed $30 Million Private Placement

Financing led by Soleus Capital with participation from Vestal Point Capital, Squadron Capital Management and additional new and existing investors DOYLESTOWN, Pa., March 30, 2026 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (Nasdaq: APRE) (“Aprea”, or the “Company”), a clinical-stage precision

Aprea Therapeutics Highlights Positive Emerging Clinical Activity for WEE1 Inhibitor, APR-1051, with a Confirmed Partial Response in the Ongoing Phase 1 ACESOT-1051 Trial

Confirmed partial response at 220 mg indicates anti-tumor activity of APR-1051 in biomarker-defined cancers Early clinical data suggest the potential of APR-1051 as a best-in-class WEE1 inhibitor Emerging clinical proof of concept responses without class-limiting toxicity to date support Aprea’s

Interim Data • Phase 1

Aprea Therapeutics Announces Early Clinical Proof-Of-Concept in the Ongoing ACESOT-1051 Dose-Escalation Trial Evaluating WEE1 Inhibitor APR-1051, Including Partial Response Observed on First Scan

Approximately 50% reduction in target lesion and greater than 90% decrease in CA-125 observed in endometrial cancer patient The unconfirmed partial response (uPR) that was observed in the first scan has been achieved at the 150 mg dose, with 220 mg cohort currently enrolling in the ACESOT-1051

Interim Data • Phase 1
Aprea Therapeutics, Inc. • Endpoint Arena