Molecular-level examination of amorphous solid dispersion dissolution

MA Faiz Afzal, K Lehmkemper, E Sobich… - Molecular …, 2021 - ACS Publications
Amorphous solid dispersions (ASDs) are commonly used to orally deliver small-molecule
drugs that are poorly water-soluble. ASDs consist of drug molecules in the amorphous form …

Downstream processing of polymer-based amorphous solid dispersions to generate tablet formulations

B Démuth, ZK Nagy, A Balogh, T Vigh, G Marosi… - International journal of …, 2015 - Elsevier
Application of amorphous solid dispersions (ASDs) is considered one of the most promising
approaches to increase the dissolution rate and extent of bioavailability of poorly water …

Solubility advantage (and disadvantage) of pharmaceutical amorphous solid dispersions

S Huang, C Mao, RO Williams III, CY Yang - Journal of pharmaceutical …, 2016 - Elsevier
The solubility of a drug is ultimately governed by its chemical potential as it is present in the
undissolved solute. For a pharmaceutical amorphous solid dispersion (ASD), its solubility …

Tailoring supersaturation from amorphous solid dispersions

N Li, LS Taylor - Journal of Controlled Release, 2018 - Elsevier
The maximum achievable concentration of a drug in solution is dictated by the chemical
potential of the solid form. Because an amorphous solid has a higher chemical potential …

An investigation into the role of polymeric carriers on crystal growth within amorphous solid dispersion systems

Y Tian, DS Jones, GP Andrews - Molecular pharmaceutics, 2015 - ACS Publications
Using phase diagrams derived from Flory–Huggins theory, we defined the thermodynamic
state of amorphous felodipine within three different polymeric carriers. Variation in the …

Polymer-inducing chemical degradation of amorphous solid dispersions driven by drug-polymer interactions for physical stabilization

T Kojima, J Takeda, Y Song, K Yamamoto… - International Journal of …, 2023 - Elsevier
Intermolecular interactions between active pharmaceutical ingredients (APIs) and carrier
polymers are important for the long-term physical stability of amorphous solid dispersions …

Influence of copolymer composition on the phase behavior of solid dispersions

A Prudic, T Kleetz, M Korf, Y Ji… - Molecular …, 2014 - ACS Publications
The incorporation of poorly soluble active pharmaceutical ingredients (APIs) into excipients
(eg, polymers) to formulate an amorphous solid dispersion is a promising strategy to …

A rational approach towards development of amorphous solid dispersions: experimental and computational techniques

P Chakravarty, JW Lubach, J Hau… - International Journal of …, 2017 - Elsevier
The purpose of this study was to determine the drug-polymer miscibility of GENE-A, a
Genentech molecule, and hydroxypropyl methylcellulose-acetate succinate (HPMC-AS), a …

Theoretical evaluation of supersaturation of amorphous solid dispersion formulations with different drug/polymer combinations using mathematical modeling

D Hirai, H Tsunematsu, S Kimura, S Itai… - International Journal of …, 2022 - Elsevier
Amorphous solid dispersion (ASD) is a preparation widely used for improving the solubility
and low oral absorbability of poorly water-soluble drugs, but the quantitative analysis of its …

Stability challenges of amorphous solid dispersions of drugs: A critical review on mechanistic aspects

M Pisay, S Padya, S Mutalik… - Critical Reviews™ in …, 2024 - dl.begellhouse.com
The most common drawback of the existing and novel drug molecules is their low
bioavailability because of their low solubility. One of the most important approaches to …