Macrocyclic compound and use thereof

By designing compounds with specific structures as RAS inhibitors, the problem of ineffective treatment of cancers with KRASG12V and KRASG12D mutations in existing technologies has been solved, achieving effective inhibition of the RAS signaling pathway and broad-spectrum cancer treatment.

WO2026153217A1PCT designated stage Publication Date: 2026-07-23LINGANG LAB +1
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
LINGANG LAB
Filing Date
2026-01-08
Publication Date
2026-07-23

AI Technical Summary

Technical Problem

Current technologies lack effective broad-spectrum RAS inhibitors, especially for cancers with KRASG12V and KRASG12D mutations.

Method used

A compound of general formula (I) or general formula (X) and its stereoisomers, transisomers, geometric isomers, tautomers or pharmaceutically acceptable salts thereof, constituted by a specific group composition and linkage, is provided as a RAS inhibitor for the treatment of cancers caused by RAS mutations.

Benefits of technology

This compound can effectively inhibit the RAS signaling pathway and has the potential for wide application in the treatment of cancers carrying mutations such as KRASG12V and KRASG12D, providing a treatment option for RAS-mutant cancers.

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Abstract

Provided are a macrocyclic compound and the use thereof. The compound has a structure as represented by formula (I-1), where the definition of each substituent is as described in the description and the claims. The compound is used as an RAS inhibitor for preventing and / or treating RAS-mutant tumors.
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