Multifunctional role of polyvinylpyrrolidone in pharmaceutical formulations

Y Luo, Y Hong, L Shen, F Wu, X Lin - AAPS PharmSciTech, 2021 - Springer
Abstract Polyvinylpyrrolidone (PVP), a non-ionic polymer, has been employed in multifarious
fields such as paper, fibers and textiles, ceramics, and pharmaceutics due to its superior …

Analytical and computational methods for the determination of drug-polymer solubility and miscibility

SD Thakore, J Akhtar, R Jain, A Paudel… - Molecular …, 2021 - ACS Publications
In the pharmaceutical industry, poorly water-soluble drugs require enabling technologies to
increase apparent solubility in the biological environment. Amorphous solid dispersion …

The application of temperature-composition phase diagrams for hot melt extrusion processing of amorphous solid dispersions to prevent residual crystallinity

DE Moseson, LS Taylor - International journal of pharmaceutics, 2018 - Elsevier
Hot melt extrusion (HME) can be used to produce amorphous solid dispersions (ASDs) at
temperatures below the drug's melting point if the drug and polymer exhibit melting point …

Influence of Intermolecular Interactions on Crystallite Size in Crystalline Solid Dispersions

H Huang, Y Zhang, Y Liu, Y Guo, C Hu - Pharmaceutics, 2023 - mdpi.com
Crystalline solid dispersions (CSDs) represent a thermodynamically stable system capable
of effectively reducing the crystallite size of drugs, thereby enhancing their solubility and …

Co-amorphous systems using epigallocatechin-3-gallate as a co-former: Stability, in vitro dissolution, in vivo bioavailability and underlying molecular mechanisms

J Chen, H Li, X Li, D Yuan, H Cheng, Y Ke… - European Journal of …, 2022 - Elsevier
Co-amorphous strategy has been extensively investigated to improve the dissolution of
hydrophobic drugs. Here, epigallocatechin-3-gallate (EGCG) was exploited as a co-former …

Miscibility, phase behavior, and mechanical properties of copovidone/HPMC ASLF and copovidone/Eudragit EPO polymer blends for hot-melt extrusion and 3D …

G Patel, T Minko - International Journal of Pharmaceutics, 2025 - Elsevier
Currently, most amorphous solid dispersion (ASD) formulations contain a single polymer to
stabilize an amorphous drug. However, a single polymer has a limited ability to form strong …

How changes in molecular weight and PDI of a polymer in amorphous solid dispersions impact dissolution performance

C Auch, M Harms, K Mäder - International Journal of Pharmaceutics, 2019 - Elsevier
Polymers functionally contribute to supersaturation and precipitation inhibition of the active
pharmaceutical ingredient (API) in amorphous solid dispersions (ASD). Therefore, it is …

Dissolution of indomethacin crystals into a polymer melt: role of diffusion and fragmentation

DE Moseson, AS Parker, CJ Gilpin… - Crystal Growth & …, 2019 - ACS Publications
The dissolution or melting of a crystalline drug into a molten polymeric matrix underpins the
fabrication of a number of drug delivery systems. However, little is known about how crystals …

Investigation of Drug–Polymer Miscibility, Molecular Interaction, and Their Effects on the Physical Stabilities and Dissolution Behaviors of Norfloxacin Amorphous Solid …

S Liu, M Li, L Jia, M Chen, S Du… - Crystal Growth & Design, 2020 - ACS Publications
This study investigated the drug–polymer miscibility, intermolecular interaction, physical
stability, and dissolution performance of amorphous solid dispersions (ASDs) of norfloxacin …

Stability studies of hot-melt extruded ternary solid dispersions of poorly-water soluble indomethacin with poly (vinyl pyrrolidone-co-vinyl acetate) and polyethylene …

R Pezzoli, JG Lyons, N Gately… - Journal of Drug Delivery …, 2019 - Elsevier
This investigation aims to evaluate the effect of moisture and temperature on the physical
stability and dissolution behaviour of hot-melt extruded binary and plasticised ternary solid …