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Since its introduction, transdermal drug delivery has promised much but, in some respects has still to deliver on that initial promise, due to inherent limitations imposed by the percutaneous route. The greatest obstacle for transdermal delivery is the barrier property of the stratum corneum. Many approaches have been employed to breach the skin barrier, of(More)
The discovery of liposome or lipid vesicle emerged from self forming enclosed lipid bi-layer upon hydration; liposome drug delivery systems have played a significant role in formulation of potent drug to improve therapeutics. Recently the liposome formulations are targeted to reduce toxicity and increase accumulation at the target site. There are several(More)
Taste is one of the most important parameters governing patient compliance. Undesirable taste is one of several important formulation problems that are encountered with certain drugs. Oral administration of bitter drugs with an acceptable degree of palatability is a key issue for health care providers, especially for pediatric patients. Several oral(More)
CONTEXT The greatest obstacle for transdermal delivery is the barrier property of the stratum corneum. Many approaches have been employed to breach the skin barrier; the most widely used one is that of chemical penetration enhancers. Of the penetration enhancers, terpenes are arguably the most highly advanced and proven category. OBJECTIVE The aim of this(More)
Successful treatment of eye diseases requires effective concentration of drug at the eye for sufficient period of time. Conventional ocular drug delivery including eye drops, systemic administration, ophthalmic ointments, is no longer sufficient to combat ocular diseases. This article reviews the constraints with conventional ocular therapy, and explores(More)
BACKGROUND Ever since transdermal drug delivery came into existence, it has offered great promises, although most of them are yet to be fulfilled owing to some intrinsic restrictions of the transdermal route. On the positive side, transdermal drug delivery systems present advantages including non-invasiveness, prolonged therapeutic effect, reduced side(More)
Our knowledge in the field of ocular drug delivery is rapidly expanding. An increase in the understanding of ocular drug absorption and disposition vis-à-vis developments in nanotechnology has led to the emergence of many of the nanotechnology-based ocular drug delivery systems including nanoparticles, microemulsions, liposomes, solid lipid nanoparticles,(More)
The objective of the present study was to investigate the effect of various terpenes, including a diterpene, forskolin (FSK; a putative penetration enhancer), on skin permeation of valsartan. Permeation studies were carried out with Automated Transdermal Diffusion Cells Sampling System (SFDC 6, LOGAN Instruments Corp., NJ, USA) through rat skin and human(More)
Oral controlled release microspheres of rifampicin (RIF) were prepared in order to circumvent the required regular high dose of the conventional dosage forms for the treatment of tuberculosis. Rifampicin containing microspheres were designed by using a biodegradable and biocompatible polymer, gelatin B, using a thermal gelation method. The microspheres were(More)
The matrix type transdermal drug delivery systems (TDDS) of metoprolol were prepared by film casting technique using a fabricated stainless steel film casting apparatus and characterized in vitro by drug release, skin permeation, skin irritation, and in vivo pharmacodynamic and stability studies. Four formulations were prepared that differed in the ratio of(More)