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  • Title: [Single dose toxicity studies of lactitol (NS-4) in mice and rats].
    Author: Okazaki S, Suwa K, Hamasu Y, Sumi N.
    Journal: J Toxicol Sci; 1994 Nov; 19 Suppl 3():295-9. PubMed ID: 7837291.
    Abstract:
    The single dose toxicity studies of lactitol, a hepatic encephalopathy drug, were performed in ddY mice and SD rats of both sexes by administering the drug orally, intravenously or subcutaneously. The drug was administered as a single dose followed by a 14-day observation. Oral LD50 values of lactitol were estimated to be between 23 and 30 g/kg in male mice, approximately 30 g/kg in female mice, and more than 30 g/kg in male and female rats. Lethal dose was more than 10 g/kg intravenously and subcutaneously in mice and rats of both sexes. The signs of toxicity in mice and rats observed following the administration of this drug included the following: decreased spontaneous movement [p.o., i.v., s.c.]; diarrhea, oligopnea or prone position, transient decreased body weight [p.o]. There were no treatment-related changes in gross examination. Based on these results, it was found that lactitol had a very low acute toxicity when administered by a single dose method in mice and rats.
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