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  • Title: [Acute toxicity of aclacinomycin A in mice, rats and dogs (author's transl)].
    Author: Shirai M, Ohmori K, Hirano S, Iguchi H, Hori S, Sato H.
    Journal: Jpn J Antibiot; 1980 Feb; 33(2):138-49. PubMed ID: 6929357.
    Abstract:
    New antitumor anthracycline antibiotic, aclacinomycin A was given to dd-mice and Wistar rats for acute toxicity study. The LD50 values were 29 approximately 39 mg/kg (i.v., i.p. and s.c.) and 62 approximately 69 mg/kg (p.o.) in mice, and 18 approximately 28 mg/kg (i.v., i.p. and s.c.) and 58 approximately 59 mg/kg (p.o.) in rats, respectively, which were calculated by mortality rate during a 14 day observation period. Depression of spontaneous activity, anorexia, diarrhea and slight alopecia were observed. Autopsy findings in animals killed by drug included atrophy of the thymus and spleen, and hyperemia and hemorrhage in the stomach and intestines. But no remarkable change was found in animals which survived through the observation period. Mongrel dogs were given the drug intravenously at 3, 5, 7.5, 10 and 15 mg/kg, respectively. All dogs (3/3) in the three higher dose groups and 1/3 dog in 5 mg/kg dose group died within day 0 approximately 5. Others survived more than 27 days. Depression of spontaneous activity and anorexia were found from 30 minutes to 2 hours after administration, followed by vomiting and diarrhea. Increase of GOT, GPT and LDH and decrease of WBC count were detected in dogs which died. Hyperemia and hemorrhage of the lungs, stomach and intestine were found among the groups given higher doses, whereas no significant changes were recognized among the two lower dose groups.
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