The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 17, 2016

Filed:

Sep. 22, 2005
Applicants:

Ichiro Okura, Yokohama, JP;

Toshiaki Kamachi, Yokohama, JP;

Shunichiro Ogura, Yokohama, JP;

Masahiro Ishizuka, Minato-ku, JP;

Tohru Tanaka, Minato-ku, JP;

Inventors:

Ichiro Okura, Yokohama, JP;

Toshiaki Kamachi, Yokohama, JP;

Shunichiro Ogura, Yokohama, JP;

Masahiro Ishizuka, Minato-ku, JP;

Tohru Tanaka, Minato-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/197 (2006.01); A61P 43/00 (2006.01); C07C 229/22 (2006.01); A61K 49/00 (2006.01); G01N 33/574 (2006.01);
U.S. Cl.
CPC ...
C07C 229/22 (2013.01); A61K 49/0021 (2013.01); G01N 33/574 (2013.01);
Abstract

According to the present invention, a tumor diagnostic agent which carries out early stage detection, monitoring of therapeutic effect and prognostic diagnosis of all tumors The tumor diagnostic agent of the present invention is a tumor diagnostic agent comprising δ-aminolevulinic acid represented by formula (I), a derivative thereof and a salt thereof:RRNCHCOCHCHCOR  (I)wherein Rand Reach independently represents hydrogen, alkyl, acyl, alkoxycarbonyl, aryl or aralkyl; and Rrepresents hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, aryloxy, aralkyloxy or amino, which is used for diagnoses by measuring porphyrins in a sample collected from the inside or outside of the body after its administration.


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