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- W1566885119 abstract "To test the feasibility of intrathecal perfusion of ACNU (3-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-1-(2-chloroethyl)-1-nitro sou rea hydrochloride) in the treatment of subarachnoid dissemination of malignant glioma, the neurotoxicity and pharmacokinetics of ACNU were studied in dogs. ACNU [1-2 mg dissolved in 10-20 ml of lactated Ringer's solution or artificial cerebrospinal fluid (CSF)] was administered via the right lateral ventricle by constant drip infusion and CSF was drained by lumbar puncture. The infusion time was from 15 to 71 min. For the control, a bolus injection was given. No neurological and systemic symptoms were noted after perfusion. Histological examination of the brain and spinal cord revealed only mild denudation of ependyma in the wall of the ventricles in a dog treated three times with 2 mg ACNU (perfusion twice, bolus injection once) and in 2 dogs perfused with 1 mg ACNU once a week for 10 weeks. ACNU was not detected in lumbar CSF after bolus injection into the lateral ventricle. When 1 mg of ACNU, dissolved in 10 ml of artificial CSF, was perfused for a duration of 22 to 31 min, it started to appear in the lumbar CSF 10 to 15 min after the start of perfusion, reaching a maximum concentration of 13.88 to 22.31 micrograms/ml. The area under the drug concentration-time curve was 344 to 706 micrograms x min/ml; the half-time was 15.5 to 19.5 min. The distribution volume was 30.6 to 54.1 ml. These findings suggest the feasibility of intrathecal perfusion of ACNU in the treatment of patients with subarachnoid dissemination of glioma." @default.
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- W1566885119 date "1990-05-15" @default.
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- W1566885119 title "Neurotoxicity and pharmacokinetics of intrathecal perfusion of ACNU in dogs." @default.
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