Chronic toxicity test

Japanese: chronic toxicity test(英語表記)chronictoxicitytest
Chronic toxicity test

…Subacute and chronic toxicity tests are then conducted. Subacute toxicity tests involve continuous administration of one or more animals for one month or more, while chronic toxicity tests involve continuous administration for three months or more (six months or more for those expected to be administered continuously for one month or more), and a wide range of tests are conducted to determine the toxicity that appears after administration, including mortality, weight curves, pathological anatomy, hematological tests, and clinical biochemistry tests. Rats, rabbits, dogs, and other experimental animals are used, and chronic toxicity tests require tests to be conducted at four levels of dose, including the maximum safe dose and the toxic dose, including a control group.

*Some of the terminology that refers to "chronic toxicity test" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そこで,次に亜急性毒性および慢性毒性の検査が行われる。亜急性毒性試験subacute toxicity testでは1種類以上の動物について,1ヵ月以上,慢性毒性試験chronic toxicity testでは3ヵ月以上(1ヵ月以上の連用が予想されるものでは6ヵ月以上)の連続投与によって現れる毒性を,死亡率,体重曲線,病理解剖学的検査,血液学的検査,臨床生化学的検査など,広範囲に検査する。実験動物としてはラット,ウサギ,イヌなどが使われ,慢性毒性試験では,対照群を含めて,最大安全量と中毒量が含まれる4段階の量でテストすることが要求されている。…

※「chronic toxicity test」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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