ENHANCER OF SURVIVAL OF TRANSPLANTED ORGAN

摘要

Provided are: an enhancer of the survival of a transplanted organ, which can prevent the occurrence of any rejection reaction without requiring the use of any existing immunosuppressing agent; an organ preservation solution which enables the preservation of the freshness of an organ after the excision of the organ from a donor; and others. Prepared are: an enhancer of the survival of a transplanted organ, which contains 5-aminolevulinic acid (ALA) or a derivative or salt thereof and an iron compound as active ingredients; and an organ preservation solution. Preferred examples of the ALA compound include ALA, esters thereof including a methyl ester, an ethyl ester, a propyl ester, a butyl ester, a pentyl ester and the like thereof, and hydrochloric acid salts, phosphoric acid salts and sulfuric acid salts of ALA and the esters. A preferred example of the iron compound is sodium ferrous citrate.