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Seralutinib - Gossamer Bio

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Drug Profile

Seralutinib - Gossamer Bio

Alternative Names: GB-002; PK-10571

Latest Information Update: 12 May 2026

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At a glance

  • Originator YM BioSciences
  • Developer Gossamer Bio
  • Class Amides; Pyrazines; Pyridines; Small molecules
  • Mechanism of Action Macrophage colony-stimulating factor receptor antagonists; Platelet-derived growth factor alpha receptor antagonists; Platelet-derived growth factor beta receptor antagonists; Proto-oncogene protein c-kit inhibitors
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    Yes - Pulmonary arterial hypertension
  • New Molecular Entity Yes

Highest Development Phases

  • Phase III Pulmonary arterial hypertension; Pulmonary hypertension

Most Recent Events

  • 12 May 2026 Gossamer Bio anticipate a potential approval action date by year end 2027.
  • 17 Mar 2026 Gossamer Bio plans to request a Type C meeting with the US FDA in June 2026
  • 23 Feb 2026 Gossamer Bio plans to meet with the US FDA in the USA for Pulmonary arterial hypertension

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