Optimizing solvent selection and processing conditions to generate high bulk-density, co-precipitated amorphous dispersions of posaconazole

D Frank, L Schenck, A Koynov, Y Su, Y Li… - Pharmaceutics, 2021 - mdpi.com
Co-precipitation is an emerging method to generate amorphous solid dispersions (ASDs),
notable for its ability to enable the production of ASDs containing pharmaceuticals with …

Coprecipitated amorphous dispersions as drug substance: opportunities and challenges

NA Strotman, L Schenck - Organic Process Research & …, 2021 - ACS Publications
The toolbox of methods for generating amorphous solid dispersions, which are often critical
to achieving high kinetic solubility and bioavailability of drug molecules, continues to grow …

Improving dissolution performance and drug loading of amorphous dispersions through a hierarchical particle approach

TN Hiew, S Saboo, DY Zemlyanov, A Punia… - Journal of …, 2023 - Elsevier
Co-precipitation is an emerging manufacturing strategy for amorphous solid dispersions
(ASDs). Herein, the interplay between processing conditions, surface composition, and …

Orthogonal Analytical Methods to Elucidate How Low Levels of Residual Crystallinity in Posaconazole Amorphous Solid Dispersions Impact Phase Behavior during …

DD Shah, N Takanti, GJ Simpson… - Crystal Growth & …, 2023 - ACS Publications
For optimal bioperformance, the drug in an amorphous solid dispersion (ASD) should ideally
not undergo crystallization in the solid dosage form during storage or from the …

Novel High-Drug-Loaded Amorphous Dispersion Tablets of Posaconazole; In Vivo and In Vitro Assessment

DM Mudie, AM Stewart, N Biswas… - Molecular …, 2020 - ACS Publications
Amorphous solid dispersions (ASDs) can increase the bioavailability of drugs with poor
aqueous solubility. However, concentration-sustaining dispersion polymers (CSPs) …

Processing impact on in vitro and in vivo performance of solid dispersions—a comparison between hot-melt extrusion and spray drying

Y Li, AKP Mann, D Zhang, Z Yang - Pharmaceutics, 2021 - mdpi.com
Presently, a large number of drug molecules in development are BCS class II or IV
compounds with poor aqueous solubility. Various novel solubilization techniques have been …

High bulk-density amorphous dispersions to enable direct compression of reduced tablet size amorphous dosage units

DS Frank, H Nie, A Chandra, A Coelho, C Dalton… - Journal of …, 2023 - Elsevier
Amorphous solid dispersions (ASDs) are an attractive option to improve the bioavailability of
poorly water-soluble compounds. However, the material attributes of ASDs can present …

Delaying the First Nucleation Event of Amorphous Solid Dispersions above the Polymer Overlap Concentration (c*): PVP and PVPVA in Posaconazole

S Song, X Yao, C Wang, CC Sun, RA Siegel - Journal of Pharmaceutical …, 2024 - Elsevier
A thorough understanding of effects of polymers on crystallization of amorphous drugs is
essential for rational design of robust amorphous solid dispersion (ASD), since …

Densifying co-precipitated amorphous dispersions to achieve improved bulk powder properties

DS Frank, A Punia, M Fahy, C Dalton, J Rowe… - Pharmaceutical …, 2022 - Springer
Purpose Precipitation of amorphous solid dispersions has gained traction in the
pharmaceutical industry given its application to pharmaceuticals with varying …

Poly(vinylpyridine-co-vinylpyridine N-oxide) Excipients Mediate Rapid Dissolution and Sustained Supersaturation of Posaconazole Amorphous Solid Dispersions

YS Liu, J Della Rocca, L Schenck… - Molecular …, 2024 - ACS Publications
The chemical structure of excipients molecularly mixed in an amorphous solid dispersion
(ASD) has a significant impact on properties of the ASD including dissolution behavior …