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Critical Reviews™ in Therapeutic Drug Carrier Systems
Импакт фактор: 2.9 5-летний Импакт фактор: 3.72 SJR: 0.736 SNIP: 0.551 CiteScore™: 2.43

ISSN Печать: 0743-4863
ISSN Онлайн: 2162-660X

Выпуски:
Том 36, 2019 Том 35, 2018 Том 34, 2017 Том 33, 2016 Том 32, 2015 Том 31, 2014 Том 30, 2013 Том 29, 2012 Том 28, 2011 Том 27, 2010 Том 26, 2009 Том 25, 2008 Том 24, 2007 Том 23, 2006 Том 22, 2005 Том 21, 2004 Том 20, 2003 Том 19, 2002 Том 18, 2001 Том 17, 2000 Том 16, 1999 Том 15, 1998 Том 14, 1997 Том 13, 1996 Том 12, 1995

Critical Reviews™ in Therapeutic Drug Carrier Systems

DOI: 10.1615/CritRevTherDrugCarrierSyst.v21.i1.10
20 pages

Physical Chemical Considerations of Lipid-Based Oral Drug Delivery—Solid Lipid Nanoparticles

Paul M. Bummer
University of Kentucky, College of Pharmacy, Lexington, Kentucky

Краткое описание

Of all the methods employed by formulators when presented with the task of improving oral bioavailability, the use of lipid assemblies is perhaps the least understood. Nonetheless, lipid-based formulations, and in particular solid lipid nanoparticles (SLN), show great promise for enhancing the oral bioavailability of some of the most poorly absorbed compounds. The physical/chemical characteristics of lipid-based systems are highly complex because of the existence of a variety of lipid assembly morphologies, the morphology-dependent solubility of drug, the interconversion of assembly morphology as a function of time and chemical structure, and the simultaneous lipid digestion. The present work will center on recent studies of the relevant physicochemical characteristics of SLN, most notably solubility of the drug in the lipid matrix, location of the drug in the aggregate, drug release properties of the aggregate, and particle size stability. Strengths and weaknesses of the lipid assemblies, in particular solid lipid nanoparticles, in promoting drug delivery by the oral route for systemic or Peyer's patch uptake will be highlighted, and possible future research pathways will be suggested.


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