Fiume L, Di Stefano G, Busi C, Mattioli A. A conjugate of lactosaminated poly-L-lysine with adenine arabinoside monophosphate, administered to mice by intramuscular route, accomplishes a selective delivery of the drug to the liver.
Biochem Pharmacol 1994;
47:643-50. [PMID:
7510478 DOI:
10.1016/0006-2952(94)90126-0]
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Abstract
A conjugate of the antiviral agent adenine arabinoside monophosphate (ara-AMP) with a low molecular mass lactosaminated poly-L-lysine, administered to mice by i.m. route, selectively delivers the drug to the liver. In mice the conjugate is devoid of acute toxicity even at high dose (1.3 mg/g) and injected i.m. for 20 days does not induce antibodies. Moreover it is highly soluble in water; this means that a pharmacologically active dose may be administered in a small volume compatible with the i.m. route. Compared to the similar ara-AMP complex with lactosaminated albumin which must be injected intravenously, the present conjugate might assure a better compliance of patients with hepatitis B virus infection for a long lasting, liver targeted antiviral treatment.
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