(19)
(11) EP 4 554 598 A1

(12)

(43) Date of publication:
21.05.2025 Bulletin 2025/21

(21) Application number: 23767965.9

(22) Date of filing: 13.07.2023
(51) International Patent Classification (IPC): 
A61K 31/715(2006.01)
A61P 19/08(2006.01)
 A61K 36/815(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 31/715; A61K 36/815; A61P 19/08; A61K 2236/333; A61K 2236/55
 
C-Sets:
  1. A61K 31/715, A61K 2300/00;
  2. A61K 36/815, A61K 2300/00;
(86) International application number:
PCT/IB2023/000414
(87) International publication number:
WO 2024/013562 (18.01.2024 Gazette 2024/03)
(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:
KH MA MD TN

(30) Priority: 14.07.2022 US 202263389082 P

(71) Applicants:
  • Institute of Biophysics Chinese Academy of Sciences
    Chaoyang District Beijing 100101 (CN)
  • Shanghai Institute of Materia Medica, Chinese Academy of Sciences
    Shanghai 201203 (CN)

(72) Inventors:
  • CHEN, Chang
    Beijing 100101 (CN)
  • DING, Kan
    Shanghai 201203 (CN)
  • YANG, Xingke
    Beijing 100101 (CN)
  • SUN, Chuanxin
    Beijing 100101 (CN)
  • CHEN, Xia
    Shanghai 201203 (CN)
  • JIN, Can
    Shanghai 201203 (CN)

(74) Representative: reuteler & cie SA 
Chemin de la Vuarpillière 29
1260 Nyon
1260 Nyon (CH)

   


(54) COMPOSITION COMPRISING HOMOGENEOUS POLYSACCHARIDE OR DERIVATIVE THEREOF AND METHOD OF USING THE SAME TO PREVENT AND/OR TREAT BONE LOSS