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Mosaic Therapeutics In-Licenses ASTX029 & ASTX295 from Astex Pharmaceuticals for Combination Therapy Development for Oncology

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Mosaic Therapeutics & Astex Pharmaceutical

Mosaic Therapeutics In-Licenses ASTX029 & ASTX295 from Astex Pharmaceuticals for Combination Therapy Development for Oncology

Shots:

  • Mosaic has in-licensed ASTX029 & ASTX295 from Astex (Otsuka Pharmaceutical’s subsidiary) to develop combination therapies using these assets, with the 1st combination study expected to begin in 2026
  • As per the deal, Astex granted Mosaic exclusive rights to develop combination products for pts with limited therapy options, receiving a 19% equity stake upfront & additional 3% based on clinical milestones along with potential future revenue shares; other financial terms remain undisclosed
  • ASTX029 (ERK1/2 inhibitor), discovered by Astex & evaluated in a P-II trial, while ASTX295 (MDM2 antagonist) developed with Cancer Research UK’s Drug Discovery Unit at Newcastle University & was assessed in a P-I trial, both showing favorable safety in >100 pts each

Ref: Businesswire | Image: Mosaic Therapeutics & Astex Pharmaceutical

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Ridhi Rastogi

Ridhi is an avid secondary researcher who follows trends in the biopharmaceutical and healthcare sectors to curate engaging content for the global audience. She works as a news editor at PharmaShots and loves to read books and explore new destinations.

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