Diagnostic agent for tumor
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United States of America Patent
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May 17, 2016
Grant Date -
May 8, 2008
app pub date -
Sep 22, 2005
filing date -
Sep 29, 2004
priority date (Note) -
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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:
wherein R1 and R2 each independently represents hydrogen, alkyl, acyl, alkoxycarbonyl, aryl or aralkyl; and R3 represents 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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