In this study, five microcrystalline cellulose (MCC) grades were physically characterized and their extrusion-spheronization behaviours were characterized in terms of water requirements and pellet shape profiles. It was found that the MCC grades differed significantly in the physical properties investigated. Physical properties of MCC were found to influence the water requirement for extrusion-...

Multiparticulate systems (pellets) of prasugrel hydrochloride were prepared by extrusion spheronization method using MCC (micro crystalline cellulose). Optimum spheronization time and method of drying were selected as the process parameters for the preparation of final batches. Various pellet properties were evaluated like size & shape analysis, flow properties, bulk & tapped density, friabilit...

PURPOSE The study looked into the feasibility of producing pellet using Avicel CL611 as spheronization aid by the extrusion/spheronization technique. METHODS Pellets were formulated to contain either 20% or 40% Avicel CL611 and lactose monohydrate as the other sole ingredient. Water is used as liquid binder. Quality of pellets and extrudates were analyzed for size distribution, shape, surface...

Spheronization of cylindrical extrudates on a rotating friction plate involves breakage and rounding. Little attention has been given to the stage quantitative modeling this process is scarce. Two simple models are compared with experimental data obtained for early stages spheronization microcrystalline cellulose/water extrudates. Tests were conducted different times (t), rotational speeds (ω),...

This paper reports the influence of post-melt impeller speed, post-melt processing time, binder concentration and particle size of bulk material on the sphericity of pellets produced by melt pelletization in a high shear mixer. Lactose was used as the bulk material with polyethylene glycol 3000 as a meltable binder. The sphericity of pellets was found to be affected by post-melt impeller speed ...

In the current research work an attempt was made to develop "Melt in mouth pellets" (Meltlets(®)) containing 40% herbal extract of soy isoflavones that served to provide antioxidants activity in menopausal women. The process of extrusion-spheronization was optimized for extruder speed, extruder screen size, spheronization speed, and time. While doing so the herbal extract incorporated in the pe...

objective(s): this study evaluates the effect of substitution of microcrystalline cellulose (mcc) with ethylcellulose (ec) on mechanical and release characteristics of theophylline pellets. materials and methods: the effect of addition of ec was investigated on characteristics of pellets with varying drug content prepared by extrusion-spheronization. also the effect of type of granulating liqui...

BACKGROUND AND THE PURPOSE OF THE STUDY Extrusion-spheronization is an established technique for the production of pellets for pharmaceutical applications. In this study, the feasibility and influence of the incorporation of acacia, by itself and in combination with tragacanth, on the ability of formulations containing 2 model of drugs (ibuprofen and theophylline) to form spherical pellets by e...

Abstract: Background/Objectives: The objective of the study was to examine feasibility extrusion/ spheronization techniques for formulation castor oil loaded self-emulsifying pellets. also aimed at optimization pellet system with design experiments. Materials and Methods: Various surfactants co-surfactants were tested their ability emulsify oil. proportion components (castor oil, surfactant co-...

The present study aims at discussing the potential advantages of multiple unit dosage forms (pellets etc.) over the single unit dosage forms (tablets). Pelletization is a novel drug delivery system; a technique which converts fine powder particles into pellets. Review deals with the pellet and its various types of pelletization techniques like spheronization and extrusion, pelletization by laye...