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Aprea Therapeutics Advances ATRN-119 with Phase 2 Dose Decision, Enhancing Cancer Treatment Efficacy
ByAinvest
Wednesday, Oct 15, 2025 9:53 pm ET1min read
Aprea Therapeutics has determined a recommended Phase 2 dose for ATRN-119, its oral ATR inhibitor, marking a significant milestone in its clinical development, according to a
. The company is exploring combination therapies to enhance the efficacy of existing cancer treatments. Aprea operates in the biotechnology sector, focusing on precision oncology through synthetic lethality.On October 15, 2025, Aprea Therapeutics announced a significant milestone in its clinical development with the determination of the recommended Phase 2 dose for ATRN-119, its oral ATR inhibitor. The company has paused further monotherapy enrollment to focus on combination therapies, aiming to enhance the efficacy of existing cancer treatments.The recommended Phase 2 dose (RP2D) for ATRN-119 is set at 1,100 mg once daily, as determined in the ABOYA-119 study. This development marks a step forward in Aprea's precision oncology efforts, which focus on synthetic lethality. ATRN-119 shows promise when combined with DNA-damaging agents, indicating potential for use in various cancer types, including those involving human papillomavirus (HPV), as noted in the TradingView report referenced above.
Additionally, Aprea's lead program, APR-1051, continues to show promising early results, and the company is exploring combinations of ATRN-119 with radiation for HPV+ cancers. This strategic approach aligns with broader industry trends, where combination therapies and novel targets are yielding promising clinical results, according to a .
The announcement from Aprea Therapeutics underscores the company's commitment to innovation and its role in the rapidly evolving landscape of precision oncology. As the industry shifts towards biomarker-driven drug development and combination therapies, Aprea's efforts to enhance the efficacy of existing treatments through synthetic lethality are particularly noteworthy.
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