Title:
STABILIZED 5-AMINOLEVULINIC ACID COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/106413
Kind Code:
A1
Abstract:
The present invention provides a stabilized composition which contains: a 5-aminolevulinic acid (5-ALA) compound that is selected from among 5-ALA, a derivative thereof, and a salt of 5-ALA or a derivative thereof; an aqueous medium; and a dextrin.
Inventors:
KINOSHITA HIRONOBU (JP)
SAKAI AKI (JP)
YAMAMOTO EISAKU (JP)
SAKAI AKI (JP)
YAMAMOTO EISAKU (JP)
Application Number:
PCT/JP2022/045529
Publication Date:
June 15, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
NEOPHARMA JAPAN CO LTD (JP)
International Classes:
C07C227/44; C07C229/22
Domestic Patent References:
| WO1995005813A1 | 1995-03-02 |
Foreign References:
| CN105503387A | 2016-04-20 | |||
| CN106831158A | 2017-06-13 | |||
| JP2021178867A | 2021-11-18 |
Other References:
TANAKA TORU, MASAHIRO ISHIZUKA , SHUNICHIRO OGURA , KATSUSHI INOUE: "Current status and future of PDD and PDT using 5-aminolevulinic acid", JAPANESE JOURNAL OF ENDUROLOGY, vol. 24, no. 1, 1 January 2011 (2011-01-01), pages 29 - 34, XP093072079, DOI: 10.11302/jsejje.24.29
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF:
Previous Patent: ELECTROLYTIC CELL FOR ALKALINE WATER ELECTROLYSIS
Next Patent: WORK-AFFECTED LAYER EVALUATION METHOD AND EVALUATION SYSTEM
Next Patent: WORK-AFFECTED LAYER EVALUATION METHOD AND EVALUATION SYSTEM