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Pimitespib: First Approval

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posted on 12.08.2022, 03:17 authored by Sheridan M. Hoy

Declarations

Funding The preparation of this review was not supported by any external funding.

Authorship and Conflict of interest During the peer review process the manufacturer of the agent under review was offered an opportunity to comment on the article. Changes resulting from any comments received were made by the authors on the basis of scientific completeness and accuracy. Sheridan M. Hoy is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content.

Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability Not applicable.

Additional information about this Adis Drug Review can be found here.

Abstract

Pimitespib (Jeselhy®) is an oral small molecule inhibitor of the α and β isoforms of heat shock protein 90 (HSP90). HSP90α and HSP90β regulate the stability and activity of a number of proteins that are crucial for tumour development. Pimitespib is being developed by Taiho Pharmaceutical for the treatment of solid tumours, including gastrointestinal stromal tumour (GIST), and in June 2022 it received its first approval in Japan for GIST that has progressed after chemotherapy. Pimitespib is undergoing phase I development for the treatment of solid tumours in the EU and the USA. This article summarizes the milestones in the development of pimitespib leading to this first approval for GIST that has progressed after chemotherapy.

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