(19)

(11)

EP 4 228 636 A1

(12)

(43) Date of publication: 23.08.2023 Bulletin 2023/34 (21) Application number: 21880707.1 (22) Date of filing: 28.04.2021

(51) International Patent Classification (IPC):  A61K 31/439(2006.01) A61K 47/10(2017.01) A61K 31/4409(2006.01) (52) Cooperative Patent Classification (CPC): A61K 47/10; A61K 31/439; A61K 9/0048; A61K 9/19; A61K 9/08; A61K 47/02; A61K 31/5575 (86) International application number: PCT/US2021/029536 (87) International publication number: WO 2022/081204 (21.04.2022 Gazette 2022/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 13.10.2020 US 202017069155 (71) Applicant: Lenz Therapeutics, Inc. Del Mar, CA 92014 (US)	(72) Inventor: HORN, Gerald Deerfield, IL 60015 (US) (74) Representative: Elkington and Fife LLP  Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)