Tumors and Dental and Ocular Abnormalities after Treatment of Infant Rats with Adriamycin

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Abstract
In rats repeatedly treated subcutaneously as infants with adriamycin in 2 cycles of 4 treatments each, the induction of ocular and dental abnormalities and tumors was studied. Cataracts appeared from 18 to 26 days in 80 % of CD rats treated with 1.15 mg/kg/day of adriamycin and from 28 to 104 days in 55 % of Wistar-Lewis rats given 0.75 mg/kg/day adriamycin. Abnormal growth of incisors was observed in 30 % of the CD rats and in 44 % of the Wistar-Lewis rats. At lower doses, no such abnormalities were found. At about 1 year after treatment, 100 % of the CD rats treated with 0.75 mg/kg/day adriamycin and about 60 % of the Wistar-Lewis rats treated with 0.75 and 0.5 mg/kg/day adriamycin developed tumors, which were histologically classified.

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