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Pimitespib - Taiho Pharmaceutical

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Drug Profile

Pimitespib - Taiho Pharmaceutical

Alternative Names: Jeselhy; TAS 116

Latest Information Update: 28 Aug 2026

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At a glance

  • Originator Taiho Pharmaceutical
  • Class Antineoplastics; Benzamides; Imidazoles; Pyrazoles; Pyridines; Small molecules
  • Mechanism of Action HSP90 heat-shock protein 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

  • Marketed Gastrointestinal stromal tumours
  • Phase II Prostate cancer
  • No development reported Solid tumours

Most Recent Events

  • 28 Aug 2026 No recent reports of development identified for phase-I development in Gastrointestinal-stromal-tumours(Combination therapy, Late-stage disease) in Australia (PO, Tablet)
  • 28 Aug 2026 No recent reports of development identified for phase-I development in Gastrointestinal-stromal-tumours(Combination therapy, Late-stage disease) in China (PO, Tablet)
  • 28 Aug 2026 No recent reports of development identified for phase-I development in Gastrointestinal-stromal-tumours(Combination therapy, Late-stage disease) in Japan (PO, Tablet)

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