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- W3209331296 abstract "Filaments loaded with griseofulvin (GF), a model poorly water-soluble drug, were prepared and used for 3D printing via fused deposition modeling (FDM). GF was selected due to its high melting temperature, enabling lower temperature hot-melt extrusion (HME) keeping GF largely crystalline in the filaments, which could help mitigate the disadvantages of high HME processing temperatures such as filament quality, important for printability and the adverse effects of GF recrystallization on tablet properties. Novel aspects include single-step fusion-assisted ASDs generation during FDM 3D printing and examining the impact of tablet surface areas (SA) through printing multi-mini and square-pattern perforated tablets to further enhance drug supersaturation during dissolution. Kollicoat protect and hydroxypropyl cellulose were selected due to their low miscibility with GF, necessary to produce crystalline filaments. The drug solid-state was assessed via XRPD, DSC and FT-IR. At 165 °C HME processing temperature, the filaments containing ~80% crystalline GF were printable. Fusion-assisted 3D printing led to GF supersaturation of ~153% for cylindrical tablets and ~293% with the square-pattern perforated tablets, indicating strong monotonous impact of tablet SA. Dissolution kinetics of drug release profiles indicated Fickian transport for tablets with higher SA, demonstrating greater SA-induced drug supersaturation for well-designed 3D printed tablets." @default.
- W3209331296 created "2021-11-08" @default.
- W3209331296 creator A5005311880 @default.
- W3209331296 creator A5030270032 @default.
- W3209331296 creator A5065282371 @default.
- W3209331296 date "2021-11-04" @default.
- W3209331296 modified "2023-10-18" @default.
- W3209331296 title "Enhanced Supersaturation via Fusion-Assisted Amorphization during FDM 3D Printing of Crystalline Poorly Soluble Drug Loaded Filaments" @default.
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- W3209331296 doi "https://doi.org/10.3390/pharmaceutics13111857" @default.
- W3209331296 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8618474" @default.
- W3209331296 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34834272" @default.
- W3209331296 hasPublicationYear "2021" @default.
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