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10 search results for: amorphous

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Amorphous Solid Dispersions Layered onto Pellets – An Alternative to Spray Drying?

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This article “Amorphous Solid Dispersions Layered onto Pellets – An Alternative to Spray Drying?” is an excerpt from the publication of Neuwirth et al., Pharmaceutics 2023, 15(3), 764; https://doi.org/10.3390/pharmaceutics15030764. Abstract Spray drying is one of the most frequently used solvent-based processes for manufacturing amorphous solid dispersions (ASDs). However, the resulting fine powders usually require further downstream processing […]

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Benefits and challenges of multilayer high drug-loaded amorphous solid dispersions

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Introduction on amorphous solid dispersions What is the benefit of multilayer amorphous solid dispersions? Recently, several studies had been performed on amorphous solid dispersions working spheres or starter beads. Starter beads, such as MCC (Microcrystalline Cellulose) spheres are employed due to their high friability and chemical inertness. Some studies are even working on solventless pelletization […]

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Amorphous solid dispersions at various aspects

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Amorphous solid dispersions play an essential role in modern pharmaceutical research. They improve the solubility and dissolution rate of poorly water-soluble drugs, and therefore they gain more importance in drug development. Although several approaches exist, each method shows clear benefits but also some challenges. As a result, it is necessary to examine amorphous solid dispersions […]

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Amorphous solid dispersions layered pellets

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Abstract Amorphous solid dispersions layered pellets solve a problem of poorly water soluble drugs. Speaking about oral drug formulations, drug carrier solutions based on starter cores are suitable for several drug classes and open new opportunities for modified drug release profiles. Layering and coating techniques, such as Wurster fluid bed process at different batch sizes, […]

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Cellulose-Derived Spherical Activated Carbon

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Cellulose-derived spherical activated carbon is a sustainable carbon material made from renewable cellulose sources. It forms uniform spheres with high surface area and excellent porosity after activation. Because of its spherical shape, this carbon flows smoothly, packs efficiently, and resists dust formation. These traits make it ideal for pharmaceutical and biomedical uses. In drug formulation, […]

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Characterization of Layered Pellets and the Role of Amorphized Amlodipine Besylate / Hydrochlorothiazide

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Characterization of layered pellets forms the basis of advanced pharmaceutical pellet design. These pellets consist of inert cores coated with active drug layers. Their detailed analysis ensures uniformity, strength, and consistent drug release. Layered systems offer precise dosing, extended or modified release, and taste masking. When the solid-state properties of the drug are modified through […]

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Scientific Literature on MCC Pellets: Insights into CELLETS®

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Research Advances in MCC Pellet Technology and Applications Scientific literature on MCC pellets highlights the growing importance of CELLETS® in pharmaceutical and scientific research. These microcrystalline cellulose spheres play a key role in developing reliable multiparticulate drug delivery systems. Researchers have investigated improved rivaroxaban dissolution, efficient film coating kinetics, and their use in orally disintegrating […]

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Revealing the physical restrictions of caecal influx in broilers through the use of solid and soluble markers

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Abstract A promising strategy to support broiler health and performance in a sustainable way is the enhancement of microbial fibre fermentation in broilers. This fermentation mainly occurs in the caeca, but the actual particle size range that allows caecal influx has not yet been described. This study aimed to understand the physical limitations of caecal […]

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The Increase in the Plasticity of Microcrystalline Cellulose Spheres’ When Loaded with a Plasticizer

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Abstract Compaction pressure can induce an undesirable solid-state polymorphic transition in drugs, fragmentation, loss of coated pellet integrity, and the decreased viability and vitality of microorganisms. Thus, the excipients with increased plasticity can be considered as an option to decrease the undesirable effects of compaction pressure. This study aims to increase the plasticity (to reduce […]

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Design and Optimization of a Nanoparticulate Pore Former as a Multifunctional Coating Excipient for pH Transition-Independent Controlled Release of Weakly Basic Drugs for Oral Drug Delivery

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Abstract Bioavailability of weakly basic drugs may be disrupted by dramatic pH changes or unexpected pH alterations in the gastrointestinal tract. Conventional organic acids or enteric coating polymers cannot address this problem adequately because they leach out or dissolve prematurely, especially during controlled release applications. Thus, a non-leachable, multifunctional terpolymer nanoparticle (TPN) made of cross-linked […]