an oral sustained-release floating tablet formulation of metformin hcl was designed and developed. effervescence and swelling properties were attributed on the developed tablets by sodium bicarbonate and hpmc-peo polymer combination, respectively. tablet composition was optimized by response surface methodology (rsm). seventeen (17) trial formulations were analyzed according to box-behnken desi...

Abstract Levetiracetam as an Anti-epileptic drug with exclusive mechanism of action is accepted by the USA Food and Drug Administration as an adjunctive therapy in treating epilepsy in young adults. The purpose of this project is the design and formulation of prolonged release of levetiracetam using two types of retarding agent such as Hydroxyl Propyl Methylcellulose (HPMC K4...

conclusions diclofenac-loaded nanoparticles based on properties of chitosan gelation could delay the release of drugs in the stomach and be further evaluated for the enteric delivery of diclofenac. objectives the aim of this study was to prepare and evaluate diclofenac-loaded chitosan nanoparticles based on the ionotropic gelation method. materials and methods chitosan (cs) nanoparticles contai...

   Oral pH sensitive drug delivery systems are of utmost importance as these systems deliver the drug at specific part of the gastrointestine (GI) as per the pH of GI, resulting in improved patient therapeutic efficacy and compliance. The pH range of fluids in various segments of the GI tract may provide environmental stimuli for drug release. The aim of this study was to design buoyant beads c...

in this study a 3-factor, 3-level box-behnken design was used to prepare optimized docetaxel (dtx) loaded pegylated poly lactide-co-glycolide (peg-plga) nps with polymer concentration (x1), drug concentration (x2) and ratio of the organic to aqueous solvent (x3) as the independent variables and particle size (y1), poly dispersity index (pdi) (y2) and drug loading (y3) as the responses. the cyto...

The main aim of this study was preparation and evaluation of extended - release system ofthe anxiolytic substance. Alprazolam is a short-acting benzodiazepine with general propertiessimilar to those of diazepam. Our studies focused on development of extended drug deliverysystem based on Hydroxy Propyl Methyl Cellulose (HPMC 4000cps) as retard agent andPolyvinylpyrrolidone (PVP k30) as binder us...

The objective of the present study was to prepare controlled release formulation of Moxifloxacin hydrochloride ocular nanoparticles. The nanoparticles were prepared by solvent displacement method using Eudragit RL 100 as a polymer. Different formulations were prepared by varying the ratios of drug and polymer and varying the ratios of organic and aqueous phase. The formulations were evaluated i...

The present study was carried out with an objective of preparation and in vitro evaluation of floating tablets of hydroxypropyl methyl cellulose (HPMC) and polyethylene oxide (PEO) using ranitidine hydrochloride as a model drug. The floating tablets were based on effervescent approach using sodium bicarbonate a gas generating agent. The tablets were prepared by dry granulation method. The effec...

Aim: To enhance the aqueous solubility of olanzapine by using the Solid dispersion technique. Solid dispersions of Olanzapine were prepared by the dispersion method using using PGS and SSG as carriers. Drug:carrier ratios such as 1:1, 1:2, 1:4, 1:6, 1:8 and 1:10 were tried for optimization. Characterization was done by phase solubility, in vitro release, saturation solubility, permeation, wetta...

Objective(s) The aim of this study was to formulate and evaluate microencapsulated controlled release preparations of theophylline using ethylcellulose as the retardant material with high entrapment efficiency. Materials and Methods Microspheres were prepared by water-in-oil-in-oil (W/O1/O2) emulsion-solvent diffusion (ESD). A mixed solvent system consisting of acetonitrile and dichloromet...