(19)
(11) EP 4 823 553 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24902900.0

(22) Date of filing: 12.12.2024
(51) International Patent Classification (IPC): 
A61K 9/24(2006.01)
A61K 47/00(2006.01)
 A61K 9/20(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 9/2886; A61K 9/2095
(86) International application number:
PCT/CN2024/138831
(87) International publication number:
WO 2025/124483 (19.06.2025 Gazette 2025/25)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 13.12.2023 WO PCT/CN2023/138397

(71) Applicant: Triastek, Inc.
Nanjing, Jiangsu 211112 (CN)

(72) Inventors:
  • DENG, Feihuang
    Nanjing, Jiangsu 211112 (CN)
  • CHI, Huan
    Nanjing, Jiangsu 211112 (CN)
  • LUO, Qing
    Nanjing, Jiangsu 211112 (CN)
  • ZUO, Xianghao
    Nanjing, Jiangsu 211112 (CN)
  • CHENG, Senping
    Nanjing, Jiangsu 211112 (CN)
  • LI, Xiaoling
    Dublin California 94568 (US)

(74) Representative: Straus, Alexander 
2K Patentanwälte - München Bajuwarenring 14
82041 Oberhaching
82041 Oberhaching (DE)

   


(54) ORAL DRUG DOSAGE FORM FOR TARGETED DRUG DELIVERY BASED ON TRACKING MARKER AND METHODS OF DESIGN AND USE THEREOF