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Critical Reviews™ in Therapeutic Drug Carrier Systems
Импакт фактор: 2.9 5-летний Импакт фактор: 3.72 SJR: 0.573 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.v28.i1.20
pages 47-99

Gastroretentive Floating Drug-Delivery Systems: A Critical Review

Udaya Kotreka
Boehringer Ingelheim Roxane Lboratories, Inc
Moji Christianah Adeyeye
Department of Biopharmaceutical Sciences College of Pharmacy, Roosevelt University, Schaumburg, IL, USA

Краткое описание

The oral delivery of drugs with a narrow absorption window in the gastrointestinal tract (GIT) is often limited by poor bioavailability with conventional dosage forms due to incomplete drug release and short residence time at the site of absorption. To overcome this drawback and to maximize the oral absorption of these drugs, gastroretentive systems such as mucoadhesive, high-density, expandable, and floating systems have been developed. These systems provide controlled delivery of drugs with prolonged gastric residence time. However, in humans, differences in various physiological and biological factors can affect the gastric residence time and drug-delivery behavior from gastroretentive systems. Some floating drugdelivery systems (FDDS) have shown the capability to accommodate these variations without affecting drug release. This review mainly focuses on various physiological considerations for development of FDDS, and highlights recent technological developments including new dosage forms and their production techniques (e.g., holt-melt extrusion, melt pelletization, and pulsed plasma-irradiation processes). Alternatives to the existing in vitro compendial methods for evaluating floating dosage forms will be discussed, and a critical analysis of the existing literature on FDDS, identifying the potential areas for future research, is provided.


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