نتایج جستجو برای: sustained release floating tablet
تعداد نتایج: 335165 فیلتر نتایج به سال:
the present investigation was aimed at developing a novel colon targeted system of lornoxicam based on the use of a combination of ph dependent system (to prevent the premature release of drug in the upper git) and enzymatically degradation system (to ensure the specificity of drug release in the colon). the drug loaded guar gum microspheres prepared by emulsification cross-linking method were ...
abstract the new drug delivery systems have been developed, which can remain in the stomach for prolonged period of time. the effervescent floating tablet is one of these systems. iron deficiency anaemia is a common disease in the world. ferrous sulphate is the most common ferrous preparation used to treat and prevent...
The objective of the present investigation was to design a sustained release floating microcapsules of theophylline using two polymers of different permeability characteristics; Eudragit RL 100 (Eu RL) and cellulose acetate butyrate (CAB) using the oil-in-oil emulsion solvent evaporation method. Polymers were used separately and in combination to prepare different microcapsules. The effect of d...
PURPOSE The aim of the present study was to improve the bioavailability of itopride (ITO) and sustain its action by formulating as a floating dosage form. MATERIALS AND METHODS Sustained-release floating tablets of ITO hydrochloride (HCl) were prepared by direct compression using different hydrocolloid polymers such as hydroxypropyl methylcellulose and ethylcellulose and/or methacrylic acid p...
An inert hydrophobic buoyant coated-core was developed as floating drug delivery system (FDDS) for sustained release of cisapride using direct compression technology. Core contained low density, porous ethyl cellulose, which was coated with an impermeable, insoluble hydrophobic coating polymer such as rosin. It was further seal coated with low viscosity hydroxypropyl methyl cellulose (HPMC E15)...
Purpose: To develop a zero-order sustained release floating formulation of captopril, and optimize its drug release for enhanced oral bioavailability. Methods: A relatively new approach, 3 full factorial design, was used to formulate floating captopril matrix tablets and to systematically optimize its drug release using varying levels of xanthan gum and hydroxypropyl methylcellulose (HPMC) K100...
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