Choosing appropriate solvents for ASD preparation

C Luebbert, D Real, G Sadowski - Molecular pharmaceutics, 2018 - ACS Publications
Amorphous solid dispersions (ASDs) are often used for formulating poorly water-soluble
active pharmaceutical ingredients (APIs). In an ASD, the amorphous API is embedded in a …

Mutual impact of phase separation/crystallization and water sorption in amorphous solid dispersions

C Luebbert, M Wessner, G Sadowski - Molecular Pharmaceutics, 2018 - ACS Publications
The molecular integration of poorly water soluble active pharmaceutical ingredients (APIs) in
a suitable polymeric matrix is a possible approach to enhance the dissolution behavior and …

Investigating phase separation in amorphous solid dispersions via Raman mapping

C Luebbert, C Klanke, G Sadowski - International journal of pharmaceutics, 2018 - Elsevier
The bioavailability of poorly-water-soluble active pharmaceutical ingredients (APIs) can be
significantly improved by so-called amorphous solid dispersions (ASDs). However, the long …

Physical stability of API/polymer-blend amorphous solid dispersions

K Lehmkemper, SO Kyeremateng, M Bartels… - European Journal of …, 2018 - Elsevier
The preparation of amorphous solid dispersions (ASDs) is a well-established strategy for
formulating active pharmaceutical ingredients by embedding them in excipients, usually …

Thermodynamic modeling of solvent-impact on phase separation in amorphous solid dispersions during drying

S Dohrn, P Reimer, C Luebbert… - Molecular …, 2020 - ACS Publications
Understanding and prevention of unwanted changes of a pharmaceutical formulation during
the production process is part of the critical requirements for the successful approval of a …

Combining crystalline and polymeric excipients in API solid dispersions–Opportunity or risk?

H Veith, F Wiechert, C Luebbert, G Sadowski - European Journal of …, 2021 - Elsevier
Amorphous solid dispersions (ASDs) are often metastable against crystallization of the
active pharmaceutical ingredient (API) and thus might undergo unwanted changes during …

Dissolution Mechanisms of Amorphous Solid Dispersions: Application of Ternary Phase Diagrams To Explain Release Behavior

A Deac, C Luebbert, Q Qi, RM Courtney… - Molecular …, 2024 - ACS Publications
The use of amorphous solid dispersions (ASDs) in commercial drug products has increased
in recent years due to the large number of poorly soluble drugs in the pharmaceutical …

[HTML][HTML] Solvent influence on the phase behavior and glass transition of Amorphous Solid Dispersions

S Dohrn, C Luebbert, K Lehmkemper… - European Journal of …, 2021 - Elsevier
Understanding the long-term stability of amorphous solid dispersions (ASDs) is important for
their successful approval for market. ASD stability does not only depend on the interplay …

A prediction system: Regulating effect of small-molecule additives on properties of amorphous solid dispersions prepared by hot-melt extrusion technology

P Shen, C Zhang, E Hu, Y Gao, S Qian, J Zhang… - European Journal of …, 2023 - Elsevier
Amorphous solid dispersions (ASDs) with solubility advantage are suffering from the
recrystallization risk and subsequent reduced dissolution triggered by high hygroscopicity of …

Understanding the tendency of amorphous solid dispersions to undergo amorphous–amorphous phase separation in the presence of absorbed moisture

ACF Rumondor, H Wikström, B Van Eerdenbrugh… - Aaps Pharmscitech, 2011 - Springer
Abstract Formulation of an amorphous solid dispersion (ASD) is one of the methods
commonly considered to increase the bioavailability of a poorly water-soluble small …