Press Releases May 12, 2026 09:30 AM

Cogent Biosciences Announces Multiple Presentations at the European Hematology Association (EHA) 2026 Congress

Cogent Biosciences to Present Key Data from Advanced Systemic Mastocytosis and JAK2 Programs at EHA 2026 Congress

By Marcus Reed COGT

Cogent Biosciences announced multiple presentations at the European Hematology Association (EHA) 2026 Congress, including pivotal oral presentation data from the APEX trial of bezuclastinib in Advanced Systemic Mastocytosis and preclinical data for their JAK2 V617F inhibitor program. These presentations underscore the company's progress in developing targeted therapies for genetically defined diseases, particularly in hematologic malignancies.

Cogent Biosciences Announces Multiple Presentations at the European Hematology Association (EHA) 2026 Congress
COGT

Key Points

  • The APEX trial data for bezuclastinib, targeting KIT D816V mutation in Advanced Systemic Mastocytosis, will be orally presented, indicating pivotal clinical progress.
  • Cogent's JAK2 V617F mutant-selective inhibitor program is advancing, with preclinical data accepted for poster presentation, expanding its pipeline in hematologic cancers.
  • The company's focus is on precision therapies for genetically defined diseases, impacting oncology and hematology sectors, with potential implications for targeted cancer treatments.
  • Pivotal data from APEX trial in Advanced Systemic Mastocytosis accepted for oral presentation; Cogent’s third oral presentation of pivotal data with bezuclastinib at major medical meetings
     
  • Preclinical data from selective, potent JAK2 V617F program accepted for poster presentation

WALTHAM, Mass. and BOULDER, Colo., May 12, 2026 (GLOBE NEWSWIRE) -- Cogent Biosciences, Inc. (Nasdaq: COGT), a biotechnology company focused on developing precision therapies for genetically defined diseases, today announced two presentations from the company’s Advanced Systemic Mastocytosis (AdvSM) program, including an oral presentation highlighting the results of the APEX trial, as well as a poster presentation from its emerging JAK2 V617F program at the European Hematology Association (EHA) Congress being held in Stockholm, Sweden, June 11-14, 2026.

Details of the presentations are as follows:

Bezuclastinib 

Oral Presentation

Abstract Title: Efficacy and Safety of Bezuclastinib in Patients With Advanced Systemic Mastocytosis: Primary Results From the Apex Study
Presenter: Daniel DeAngelo, M.D., Ph.D., Chief of the Division of Leukemia at the Dana-Farber Cancer Institute and Professor of Medicine, Harvard Medical School
Session Date and Time: June 13, 2026 – 17:15 – 18:30 CEST (11:15 AM ET – 12:30 PM ET)
Oral Session: S438 Myeloproliferative Neoplasms – Clinical
Session Room: A2-3 Hall

Poster Presentation

Abstract Title: The Effect of Bezuclastinib on the Pathobiology of Advanced Systemic Mastocytosis: Results from the Pivotal Apex Trial
Poster #: PF885
Presenter: Tracy George, M.D., President and Chief Scientific Officer at ARUP Laboratories, Professor of Pathology at the University of Utah School of Medicine  
Session Date and Time: June 12, 2026 – 18:45-19:45 CEST (12:45pm - 1:45pm ET)

JAK2 V617F

Poster Presentation

Abstract Title: Preclinical characterization of CGT1145 a novel, wild-type-sparing, JAK2 V617F mutant-selective inhibitor
Poster #: PF853
Presenter: Mark J Chicarelli, Senior Director Medicinal Chemistry, Cogent Biosciences
Session Date and Time: June 12, 2026 – 18:45-19:45 CEST (12:45pm - 1:45pm ET)

About Cogent Biosciences, Inc.
Cogent Biosciences is a biotechnology company focused on developing precision therapies for genetically defined diseases. The most advanced clinical program, bezuclastinib, is a selective tyrosine kinase inhibitor that is designed to potently inhibit the KIT D816V mutation as well as other mutations in KIT exon 17. KIT D816V is responsible for driving systemic mastocytosis, a serious disease caused by unchecked proliferation of mast cells. Exon 17 mutations are also found in patients with advanced gastrointestinal stromal tumors (GIST), a type of cancer with strong dependence on oncogenic KIT signaling. In addition, the Cogent Research Team is developing a portfolio of novel targeted therapies to help patients fighting serious, genetically driven diseases targeting mutations in ErbB2, PI3Kα, KRAS and JAK2. Cogent Biosciences is based in Waltham, MA and Boulder, CO. Visit our website for more information at www.cogentbio.com. Follow Cogent Biosciences on social media: X (formerly known as Twitter) and LinkedIn. Information that may be important to investors will be routinely posted on our website and X.

Contact:
Christi Waarich
Senior Director, Investor Relations
[email protected]
617-830-1653


Risks

  • Clinical trial results might not fully meet expectations despite oral presentation, posing development risks in biotech/biopharma sectors.
  • Preclinical status of JAK2 V617F inhibitor implies uncertainty regarding future clinical development and eventual approval.
  • The competitive landscape in targeted oncology therapies could pose challenges to market adoption and commercial success.

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