Abstract:
:Despite the wide use of antibiotics, bacterial infection is still one of the leading causes of hospitalization and mortality. The clinical failure of antibiotic therapy is linked with low bioavailability, poor penetration to bacterial infection sites, and the side effects of antibiotics, as well as the antibiotic resistance properties of bacteria. Antibiotics encapsulated in nanoparticles or microparticles made up of a biodegradable polymer have shown great potential in replacing the administration of antibiotics in their "free" form. Polymeric particles provide protection to antibiotics against environmental deactivation and alter antibiotic pharmacokinetics and biodistribution. Polymeric particles can overcome tissue and cellular barriers and deliver antibiotics into very dense tissues and inaccessible target cells. Polymeric particles can be modified to target or respond to particular tissues, cells, and even bacteria, and thereby facilitate the selective concentration or release of the antibiotic at infection sites, respectively. Thus, the delivery of antibiotics with polymeric particles augments the level of the bioactive drug at the site of infection while reducing the dosage and the dosing frequency. The end results are improved therapeutic effects as well as decreased "pill burden" and drug side effects in patients. The main objective of this review is to analyze recent advances and current perspectives in the use of polymeric antibiotic delivery systems in the treatment of bacterial infection.
journal_name
Adv Drug Deliv Revjournal_title
Advanced drug delivery reviewsauthors
Xiong MH,Bao Y,Yang XZ,Zhu YH,Wang Jdoi
10.1016/j.addr.2014.02.002subject
Has Abstractpub_date
2014-11-30 00:00:00pages
63-76eissn
0169-409Xissn
1872-8294pii
S0169-409X(14)00024-6journal_volume
78pub_type
杂志文章,评审abstract::Several classes of vascular imaging agents are described: (1) liposome-based blood cell mimetics; (2) plasma protein mimetics; (3) small molecules that bind to plasma proteins in the circulation. The characteristic features of the different agents are described and critically compared, including the advantages and pot...
journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
pub_type: 杂志文章,评审
doi:10.1016/j.addr.2011.06.010
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