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 …

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 …

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 …

Phase behavior of pharmaceutically relevant polymer/solvent mixtures

S Dohrn, C Luebbert, K Lehmkemper… - International Journal of …, 2020 - Elsevier
In the pharmaceutical industry, polymers are used as excipients for formulating poorly water-
soluble active pharmaceutical ingredients (APIs) in so-called “amorphous solid …

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 …

Crystallization risk assessment of amorphous solid dispersions by physical shelf-life modeling: a practical approach

B Liu, F Theil, K Lehmkemper, D Gessner… - Molecular …, 2021 - ACS Publications
Amorphous solid dispersions (ASDs) of a poorly water-soluble active pharmaceutical
ingredient (API) in a polymer matrix can enhance the water solubility and therefore generally …

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 …

[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 …

[HTML][HTML] Predicting process design spaces for spray drying amorphous solid dispersions

S Dohrn, P Rawal, C Luebbert, K Lehmkemper… - International Journal of …, 2021 - Elsevier
Amorphous solid dispersions (ASDs) are commonly manufactured using spray-drying
processes. The product quality can be decisively influenced by the choice of process …

Thermal stability of amorphous solid dispersions

D Jelić - Molecules, 2021 - mdpi.com
Amorphous solid dispersion drug delivery systems (ASD DDS) were proved to be efficient
for the enhancement of solubility and bioavailability of poorly water-soluble drugs. One of …