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  • Title: Pharmacokinetic comparison between systemic and local chemotherapy by carboplatin in dogs.
    Author: Chen C, Wang W, Zhou H, Huang J, Liu P, Song T, Sun M.
    Journal: Reprod Sci; 2009 Nov; 16(11):1097-102. PubMed ID: 19657143.
    Abstract:
    The aim of the current study was to compare pharmacokinetics of local chemotherapy by pelvic intra-arterial administration with intravenous injection in dogs. A total of 18 female dogs (weight: 10-15 kg) were randomly divided into 3 groups: the peripheral vein administration (group A, n = 6), the abdominal aorta administration (group B, n = 6), and the internal iliac artery administration (group C, n = 6). Carboplatin at a dose of 1.2 mg/kg was administered by infusing into the arteries or the vein. For analysis, plasma and uterine tissue samples were collected at different times following infusion. The peak local concentration of platinum in the uterus of dogs in group C was significantly higher than those of groups A and B (P < .05). The area under the tissue concentration-time curve (AUC) of uterine tissues was significantly higher in dogs of group C compared to those of the other 2 groups (P < .05). There was no significant difference in the AUC of the uterine tissues of dogs between groups A and B (P > .05). The peak concentration of platinum in plasma was significantly higher in group A compared to those of the other 2 administration routes (P < .05). We observed the pharmacokinetic advantages of local chemotherapy by internal iliac artery perfusion with the chemotherapeutic agent, carboplatin, to the uterus, thereby leading to a high-drug concentration that may be more effective in treating cervical cancer.
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