Liposomes in the treatment of infections.

Abstract:

:The use of liposomes in the treatment of severe infections is under investigation. Classical liposomes which localize in cells of the mononuclear phagocyte system (MPS) can be exploited in two ways. First for targeting of macrophage modulators such as muramyl peptides or IFN-gamma, to stimulate the cells of the MPS to maximal blood clearance capacity. This enhanced nonspecific anti-infectious resistance is important as in immunocompromised patients micro-organisms frequently appear in the blood from a local infection. Secondly, classical liposomes are successfully used as carriers of antibiotics in experimental intracellular parasitic-, viral-, fungal- or bacterial infections in MPS tissues. Based on these data extensive studies in patients with severe fungal infections have demonstrated successful treatment with liposomal or lipid-complexed amphotericin B. More recently, liposomal amphotericin B appeared to be effective in patients with drug-resistant visceral leishmaniasis. For the treatment of Mycobacterium avium complex infection in AIDS patients the efficacy of liposomal gentamicin is under investigation. With respect to infections in non-MPS tissues the applicability of Stealth liposomes characterized by long circulation half-lives is under investigation. Substantial localization of these liposomes in infected lung tissue of rats was demonstrated. Preliminary data in experimental bacterial lung infection showed superior efficacy of antibiotic encapsulated in Stealth liposomes.

journal_name

J Drug Target

authors

Bakker-Woudenberg IA,Storm G,Woodle MC

doi

10.3109/10611869408996811

subject

Has Abstract

pub_date

1994-01-01 00:00:00

pages

363-71

issue

5

eissn

1061-186X

issn

1029-2330

journal_volume

2

pub_type

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