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Vapendavir - Altesa Biosceinces/Vaxart

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Drug Profile

Vapendavir - Altesa Biosceinces/Vaxart

Alternative Names: BTA-798

Latest Information Update: 11 Jun 2026

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At a glance

  • Originator Biota Holdings
  • Developer Altesa Biosciences; Aviragen Therapeutics; Vaxart
  • Class Antivirals; Benzoxazoles; Ethers; Piperidines; Pyridazines; Small molecules
  • Mechanism of Action Capsid protein inhibitors; Rhinovirus replication inhibitors
  • Orphan Drug Status

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

    No
  • New Molecular Entity Yes

Highest Development Phases

  • Phase II Rhinovirus infections

Most Recent Events

  • 05 Jun 2026 Efficacy data from a phase IIa challenge trial in Rhinovirus infections released by Altesa BioSciences
  • 20 May 2026 Updated efficacy data from a phase IIa trial in Rhinovirus infections presented at the 122nd International Conference of the American Thoracic Society (ATS-2026)
  • 19 May 2026 Efficacy and adverse events data from a phase IIa challenge trial in Rhinovirus infections released by Altesa BioSciences

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