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Dupont Pharma
Wet granulation of co-amorphous indomethacin systems
The feasibility of co-amorphous systems to be wet granulated together with microcrystalline cellulose (MCC) was investigated. Solid state and molecular interactions were analysed for various co-amorphous drug-amino acid formulations of indomethacin with tryptophan and arginine, respectively, via…
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Simulation of roller compaction by combination of a compaction simulator and oscillating mill – A…
This study investigates the feasibility of a compaction simulator and oscillating mill to mimic a roller compactor as a material sparing approach for process development. Microcrystalline cellulose and dicalcium phosphate dihydrate were selected to represent soft and hard materials, respectively.…
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Synergistic stabilization of emulsion gel by nanoparticles and surfactant enables 3D printing of…
Pharmaceutical formulation of oral dosage forms is continuously challenged by the low solubility of new drug candidates. Pickering emulsions, emulsions stabilized with solid particles, are a promising alternative to surfactants for developing long-term stable emulsions that can be tailored for…
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Optimization and Evaluation of Lisinopril Mucoadhesive Sustained Release Matrix Pellets: In-Vitro…
Lisinopril (LIS) it is antihypertensive drug, classified as a class III drug with a high water solubility and low permeability. To overcome the low permeability, 32 factorial designs aimed to formulate LIS as a sustained-release (LIS-SR) matrix pellet by extrusion/spheronization. Matrix pellets were…
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Development of a Discriminative Dissolution Method, Using In-Silico Tool for Hydrochlorothiazide and…
Hydrochlorothiazide (HTZ) and Valsartan (VAL) are poorly soluble drugs in BCS classes IV and II. This study aimed to develop a method to assess the dissolution profile of tablets containing HTZ (12.5 mg) and VAL (160 mg) as a fixed-dose combination, using in silico tools to evaluate products…
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The Effect of Particle Shape on the Compaction of Realistic Non-Spherical Particles—A Multi-Contact…
Abstract
The purpose of this study was to investigate the deformation behavior of non-spherical particles during high-load compaction using the multi-contact discrete element method (MC-DEM). To account for non-spherical particles, the bonded multi-sphere method (BMS), which incorporates…
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Enteric coating of tablets containing an amorphous solid dispersion of an enteric polymer and a…
Recent work has highlighted that amorphous solid dispersions (ASDs) containing delamanid (DLM) and an enteric polymer, hypromellose phthalate (HPMCP), appear to be susceptible to crystallization during immersion in simulated gastric fluids. The goal of this study was to minimize contact of the ASD…
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At-line porosity sensing for non-destructive disintegration testing in immediate release tablets
Fully automated at-line terahertz time-domain spectroscopy in transmission mode is used to measure tablet porosity for thousands of immediate release tablets. The measurements are rapid and non-destructive. Both laboratory prepared tablets and commercial samples are studied. Multiple measurements on…
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3D screen printing technology enables fabrication of oral drug dosage forms with freely tailorable…
3D printing offers new opportunities to customize oral dosage forms of pharmaceuticals for different patient populations, improving patient safety, care, and compliance. Although several notable 3D print technologies have been developed, such as inkjet printing, powder-based printing, selective…
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Comprehensive powder flow characterization with reduced testing
Powder flow is a critical attribute of pharmaceutical blends to ensure tablet weight uniformity and production of tablets with consistent and reproducible properties. This study aims at characterizing different powder blends with a number of different rheologic techniques, in order to understand how…
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