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Copovidone
Kollidon® VA 64 and Soluplus® as modern polymeric carriers for amorphous solid dispersions
As the number of new drug candidates that are poorly soluble in water grows, new technologies that enable the enhancement of their solubility are needed. This is the case with amorphous solid dispersions (ASDs) that, nowadays, not only ensure the solubility, but can also be used to control the …
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Data-driven approach to mitigate quality impact of hygroscopic pharmaceutical raw materials…
The challenges of working with hygroscopic pharmaceutical raw materials can have a significant impact on the industry’s ability to make high-quality medicines. In order to mitigate the impact to the manufacturing process or product quality it is critical to understand the hygroscopicity of the raw…
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Transformation of Ritonavir Nanocrystal Suspensions into a Redispersible Drug Product via Vacuum…
The present study explored vacuum drum drying (VDD) as potential drying technique for the solidification of crystalline ritonavir nanosuspensions prepared by wet-ball milling. In detail, the impact of drying protectants (mannitol, lactose, trehalose) added to the ritonavir nanosuspension was…
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Compression Modulus and Apparent Density of Polymeric Excipients during Compression—Impact on…
The present study focuses on the compaction behavior of polymeric excipients during compression in comparison to nonpolymeric excipients and its consequences on commonly used Heckel analysis. Compression analysis at compaction pressures (CPs) from 50 to 500 MPa was performed using a compaction…
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Pharmaceutical Development of Film-Coated Mini-Tablets with Losartan Potassium for Epidermolysis…
Epidermolysis bullosa is a genetically heterogenous skin fragility disorder with multiorgan involvement appearing already in newborn children. Severe progressive fibrosis follows skin blistering, mucosa lesions, and wound healing, favouring development of highly aggressive squamous cell carcinomas.…
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Tailoring Chlorthalidone Aqueous Solubility by Cocrystallization: Stability and Dissolution Behavior…
A cocrystal of the antihypertensive drug chlorthalidone (CTD) with caffeine (CAF) was obtained (CTD-CAF) by the slurry method, for which a 2:1 stoichiometric ratio was found by powder and single-crystal X-ray diffraction analysis. Cocrystal CTD-CAF showed a supramolecular organization in which CAF…
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Hot-melt extrudability of amorphous solid dispersions of flubendazole-copovidone: An exploratory…
The FDA-approved anthelmintic flubendazole has shown potential to be repositioned to treat cancer and dry macular degeneration; however, its poor water solubility limits its use. Amorphous solid dispersions may overcome this challenge, but the balance of excipients may impact the preparation method…
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Monitoring of high-load dose formulations based on co-processed and non co-processed excipients
This work presents the evaluation of a co-processed material for high-load dose formulations and its real-time monitoring by near-infrared (NIR) spectroscopy at the tablet press feed frame. The powder and tableting properties of co-processed material blends were evaluated and compared to the blend…
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Impact of Drug–Polymer Intermolecular Interactions on Dissolution Performance of Copovidone-Based…
For poorly soluble drugs formulated as amorphous solid dispersions (ASDs), fast and complete release with the generation of drug-rich colloidal particles is beneficial for optimizing drug absorption. However, this ideal dissolution profile can only be achieved when the drug releases at the same…
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Influence of Drug Load on the Printability and Solid-State Properties of 3D-Printed Naproxen-Based…
Fused deposition modelling-based 3D printing of pharmaceutical products is facing challenges like brittleness and printability of the drug-loaded hot-melt extruded filament feedstock and stabilization of the solid-state form of the drug in the final product. The aim of this study was to investigate…
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