Pimitespib (trade name Jeselhy) is a drug for the treatment of gastrointestinal stromal tumors.[1] It was discovered and developed by Taiho Pharmaceutical Co.[2] The mechanism of action of pimitespib involves inhibition of heat shock protein 90 (Hsp90).[3]

Pimitespib
Clinical data
Trade namesJeselhy
Other namesTAS 116
Legal status
Legal status
  • Rx in Japan
Identifiers
CAS Number
UNII
KEGG
Chemical and physical data
FormulaC25H26N8O
Molar mass454.538 g·mol−1
3D model (JSmol)
  • O=C(N)C1=CC=C(C(=C1)CC)N2N=C(C=3C2=NC=CC3N4C=NC(=C4)C=5C=NN(C5)C)C(C)C

In June 2022, it received approval in Japan for gastrointestinal stromal tumors that have progressed after chemotherapy.[4]

References

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  1. ^ "Pimitespib - Taiho Pharmaceutical". Adis Insight.
  2. ^ "Taiho Pharmaceutical Obtains Approval to Manufacture and Market HSP90 inhibitor Jeselhy® Tablets 40 mg (Pimitespib) for Gastrointestinal Stromal Tumor (GIST)" (Press release). Taiho Pharmaceutical. June 20, 2022.
  3. ^ Kurokawa Y, Honma Y, Sawaki A, Naito Y, Iwagami S, Komatsu Y, et al. (June 2022). "Pimitespib in patients with advanced gastrointestinal stromal tumor (CHAPTER-GIST-301): a randomized, double-blind, placebo-controlled phase III trial". Annals of Oncology. 33 (9): 959–967. doi:10.1016/j.annonc.2022.05.518. PMID 35688358. S2CID 249532381.
  4. ^ Hoy SM (August 2022). "Pimitespib: First Approval". Drugs. 82 (13): 1413–1418. doi:10.1007/s40265-022-01764-6. PMID 35986838. S2CID 251672805.