The implications of drug-polymer interactions on the physical stability of amorphous solid dispersions

M Bookwala, PLD Wildfong - Pharmaceutical Research, 2023 - Springer
Amorphous solid dispersions (ASDs) are a formulation and development strategy that can
be used to increase the apparent aqueous solubility of poorly water-soluble drugs. Their …

Crystallinity: a complex critical quality attribute of amorphous solid dispersions

DE Moseson, LS Taylor - Molecular Pharmaceutics, 2023 - ACS Publications
Does the performance of an amorphous solid dispersion rely on having 100% amorphous
content? What specifications are appropriate for crystalline content within an amorphous …

Effects of additives on the physical stability and dissolution of polymeric amorphous solid dispersions: A review

J Li, Y Wang, D Yu - AAPS PharmSciTech, 2023 - Springer
Polymeric amorphous solid dispersion (ASD) is a popular approach for enhancing the
solubility of poorly water-soluble drugs. However, achieving both physical stability and …

Atomic layer coating to inhibit surface crystallization of amorphous pharmaceutical powders

DE Moseson, EG Benson, HT Nguyen… - … Applied Materials & …, 2022 - ACS Publications
Preventing crystallization is a primary concern when developing amorphous drug
formulations. Recently, atomic layer coatings (ALCs) of aluminum oxide demonstrated …

Crystallization inhibition in molecular liquids by polymers above the overlap concentration (c*): delay of the first nucleation event

S Song, S Cui, CC Sun, TP Lodge, RA Siegel - Journal of Pharmaceutical …, 2024 - Elsevier
Low concentration polymer additives can significantly alter crystal growth kinetics of
molecular liquids and glasses. However, the effect of polymer concentration on nucleation …

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 …

Composites of N-butyl-N-methyl-1-phenylpyrrolo [1, 2-a] pyrazine-3-carboxamide with Polymers: Effect of Crystallinity on Solubility and Stability

VB Markeev, EV Blynskaya, SV Tishkov… - International Journal of …, 2023 - mdpi.com
This work aimed to develop and characterize a water-soluble, high-release active
pharmaceutical ingredient (API) composite based on the practically water-insoluble API N …

Understanding the Influence of API Conformations on Amorphous Dispersion Formation Potential Predictions using the R3m Molecular Descriptor

K DeBoyace, M Bookwala, D Zhou… - Molecular …, 2024 - ACS Publications
The R 3 m molecular descriptor (R-GETAWAY third-order autocorrelation index weighted by
the atomic mass) has previously been shown to encode molecular attributes that appear to …

Stability‐Enhanced Ternary Solid Dispersions of Glyburide: Effect of Preparation Method on Physicochemical Properties

L Barghi, A Vekalati, A Jahangiri - … in Pharmacological and …, 2023 - Wiley Online Library
Introduction. Limited aqueous solubility and subsequent poor absorption and low
bioavailability are the main challenges in oral drug delivery. Solid dispersion is a widely …

Structural Features of the Glassy State and Their Impact on the Solid-State Properties of Organic Molecules in Pharmaceutical Systems

G Zografi, A Newman, E Shalaev - Journal of Pharmaceutical Sciences, 2024 - Elsevier
This paper reviews the structure and properties of amorphous active pharmaceutical
ingredients (APIs), including small molecules and proteins, in the glassy state (below the …