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Zentalis Pharmaceuticals

Zentalis Pharmaceuticals is a company developing azenosertib, an investigational oral WEE1 kinase inhibitor, with an initial focus on Cyclin E1 positive platinum-resistant ovarian cancer.

Last updated September 11, 2026

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Overview

Zentalis Pharmaceuticals describes itself as developing a differentiated oral therapy targeting WEE1 kinase, a key regulator of cell-cycle progression. Its focus is azenosertib, an investigational drug that it states leads the WEE1 targeting field and is currently in registration-intended studies. The company states it is advancing the first oral, non-chemotherapy, biomarker-driven approach specifically for Cyclin E1 positive platinum-resistant ovarian cancer patients. Its leadership team is led by Chief Executive Officer and Director Julie Eastland.

History

Zentalis Pharmaceuticals is described in Wikidata as a company in San Diego, United States. Its official website states that it is developing a differentiated oral therapy that targets WEE1 kinase, a key regulator of cell-cycle progression, and that it is focused on azenosertib, an investigational drug. The company states that azenosertib leads the WEE1 targeting field and is currently in registration-intended studies, and that it is advancing the first oral, non-chemotherapy, biomarker-driven approach specifically for Cyclin E1 positive platinum-resistant ovarian cancer patients. Its leadership team is led by Chief Executive Officer and Director Julie Eastland.

Products and positioning

Developing a differentiated oral therapy targeting WEE1 kinase, focused on azenosertib as an investigational targeted, oral therapy option.

  • Azenosertib

    An investigational selective inhibitor of WEE1, described by Zentalis as an oral, non-chemotherapy, biomarker-driven approach initially for Cyclin E1 positive, platinum-resistant ovarian cancer (PROC).

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