Pharmaceutical Composition Comprising A Quinazoline Compound

Abstract: There is provided herein compounds of formula (I), (XXI), (XXII) and (XXIII) as defined herein, and salts thereof, for use in the treatment of colorectal and/or lung cancer.

Patent Information

Application #

Filing Date

05 December 2025

Publication Number

01/2026

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

ASTELLAS PHARMA INC.

2-5-1, Nihonbashi-Honcho Chuo-ku Tokyo, 103-8411

Inventors

1. SAITO, Asuka

Astellas Pharma Inc. 2-5-1, Nihonbashi-Honcho Chuo-ku Tokyo, 103-8411

Specification

Documents

Application Documents

#	Name	Date
1	202547122435-STATEMENT OF UNDERTAKING (FORM 3) [05-12-2025(online)].pdf	2025-12-05
2	202547122435-REQUEST FOR EXAMINATION (FORM-18) [05-12-2025(online)].pdf	2025-12-05
3	202547122435-PROOF OF RIGHT [05-12-2025(online)].pdf	2025-12-05
4	202547122435-PRIORITY DOCUMENTS [05-12-2025(online)].pdf	2025-12-05
5	202547122435-FORM 18 [05-12-2025(online)].pdf	2025-12-05
6	202547122435-FORM 1 [05-12-2025(online)].pdf	2025-12-05
7	202547122435-DECLARATION OF INVENTORSHIP (FORM 5) [05-12-2025(online)].pdf	2025-12-05
8	202547122435-COMPLETE SPECIFICATION [05-12-2025(online)].pdf	2025-12-05
9	202547122435-CLAIMS UNDER RULE 1 (PROVISIO) OF RULE 20 [05-12-2025(online)].pdf	2025-12-05
10	202547122435-Proof of Right [07-12-2025(online)].pdf	2025-12-07
11	202547122435-FORM-26 [08-12-2025(online)].pdf	2025-12-08