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Acute, mutagenicity, teratogenicity and subchronic oral toxicity studies of diaveridine in rodents. 2015

Jianzhong Wang, and Feifei Sun, and Shusheng Tang, and Suxia Zhang, and Xingyuan Cao
Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China; Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture, Beijing 100193, People's Republic of China.

Diaveridine (DVD) is a member of the 2,4-pyrimidinediamine class of dihydrofolate reductase inhibitors. It is used in combination with sulfaquinoxaline as an antiprotozoal agent in animals for the prophylaxis and treatment of coccidiosis and leucocytozoonosis. Herein, we report a complete toxicological safety assessment of DVD for clinical use. The study of toxicity, genetic toxicity (mammalian erythrocyte micronucleus assay, mice sperm abnormality test and in vivo chromosome aberration test of mammalian bone marrow), 90-day sub-chronic toxicity and teratogenicity test were performed. In the acute oral toxicity tests, median lethal dose, LD50, was more than 2378mg/kg body weight in Sprague Dawley rats (1025mg/kg body weight in ICR mice). The testing results for three terms of mutagenicity toxicity (mouse chromosome aberration, erythrocyte micronucleus and sperm abnormality) were all negative at 128-512mg/kg body weight. For 90-day feeding of DVD at the dosage of 10mg/kg body weight in both male and female SD rats, no signs of toxicological effects were detected. Meanwhile, for teratogenicity test in female SD rats at the dosage of 37mg/kg body weight, there were no toxicological signs observed. Thus, our results suggested that the DVD is safe when administered orally in rats at 10mg/kg body weight per day.

UI MeSH Term Description Entries
D008297 Male Males
D008813 Mice, Inbred ICR An inbred strain of mouse that is used as a general purpose research strain, for therapeutic drug testing, and for the genetic analysis of CARCINOGEN-induced COLON CANCER. Mice, Inbred ICRC,Mice, ICR,Mouse, ICR,Mouse, Inbred ICR,Mouse, Inbred ICRC,ICR Mice,ICR Mice, Inbred,ICR Mouse,ICR Mouse, Inbred,ICRC Mice, Inbred,ICRC Mouse, Inbred,Inbred ICR Mice,Inbred ICR Mouse,Inbred ICRC Mice,Inbred ICRC Mouse
D009152 Mutagenicity Tests Tests of chemical substances and physical agents for mutagenic potential. They include microbial, insect, mammalian cell, and whole animal tests. Genetic Toxicity Tests,Genotoxicity Tests,Mutagen Screening,Tests, Genetic Toxicity,Toxicity Tests, Genetic,Genetic Toxicity Test,Genotoxicity Test,Mutagen Screenings,Mutagenicity Test,Screening, Mutagen,Screenings, Mutagen,Test, Genotoxicity,Tests, Genotoxicity,Toxicity Test, Genetic
D011743 Pyrimidines A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D002869 Chromosome Aberrations Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS. Autosome Abnormalities,Cytogenetic Aberrations,Abnormalities, Autosome,Abnormalities, Chromosomal,Abnormalities, Chromosome,Chromosomal Aberrations,Chromosome Abnormalities,Cytogenetic Abnormalities,Aberration, Chromosomal,Aberration, Chromosome,Aberration, Cytogenetic,Aberrations, Chromosomal,Aberrations, Chromosome,Aberrations, Cytogenetic,Abnormalities, Cytogenetic,Abnormality, Autosome,Abnormality, Chromosomal,Abnormality, Chromosome,Abnormality, Cytogenetic,Autosome Abnormality,Chromosomal Aberration,Chromosomal Abnormalities,Chromosomal Abnormality,Chromosome Aberration,Chromosome Abnormality,Cytogenetic Aberration,Cytogenetic Abnormality
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D005260 Female Females
D000014 Abnormalities, Drug-Induced Congenital abnormalities caused by medicinal substances or drugs of abuse given to or taken by the mother, or to which she is inadvertently exposed during the manufacture of such substances. The concept excludes abnormalities resulting from exposure to non-medicinal chemicals in the environment. Drug-Induced Abnormalities,Abnormalities, Drug Induced,Abnormality, Drug-Induced,Drug Induced Abnormalities,Drug-Induced Abnormality
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations

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