Evonik

Three-dimensional (3D) printing has been gaining attention as a new technological approach to obtain immediate release (IR) dosage forms. The versatility conferred by 3D printing techniques arises from the suitability of using different polymeric materials in the production of solids with different…
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Introduction: Dry powder inhalations are an attractive pharmaceutical dosage form. They are environmentally friendly, portable, and physicochemical stable compared to other inhalation forms like pressurized metered-dose inhalers and nebulizers. Sufficient drug deposition of DPIs into the deep lung…
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Colonic targeting of orally applied therapeutic drugs remains a challenge. Tablet coatings relying on gastrointestinal pH and colonic bacterial enzymes as triggers in association with an inner alkaline layer are expected to improve targeting efficiency. Mesalazine release from three differently…
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Self-nanoemulsifying drug delivery systems (SNEDDS) represent an interesting platform for improving the oral bioavailability of poorly soluble lipophilic drugs. While Liquid-SNEDDS (L-SNEDDS) effectively solubilize the drug in vivo, they have several drawbacks, including poor storage stability.…
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Sustained release of antiretroviral drugs is currently the most encouraging strategy for the prevention of the sexual transmission of HIV. Vaginal tablets based on hydrophilic gelling polymers are an interesting dosage form for this purpose, since they can be developed to modify the release of the…
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Transdermal drug delivery systems (TDDSs) were developed for prolonged tamsulosin (TMS) delivery. Double layer (DL) TDDSs were prepared using Eudragit® RL by conventional film-forming. Ethylene-vinyl acetate was used as the backing layer, triethylcitrate as plasticizer, and Capmul® PG-8-70 NF and…
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This study introduces an electrostatic dry powder coating process to coat hard gelatin capsules and hydroxypropyl methylcellulose capsules directly in a coating pan to achieve sustained release. The process overcomes many difficulties in the capsule liquid coating process, such as stickiness and…
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Functional lactide/glycolide polymers play a key role in complex parenteral drug delivery products. They are often referred to as ‘smart’ materials, as their tunability drives the performance of parenteral dosage forms. Using these polymers, formulators can deliberately change drug impact by…
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This study aims to design and evaluate oral sustained release matrix tablets of BCS class 2 anti-anginal drug using Eudragit L 100-55 as the retardant polymer and mannitol as a channeling agent for the delivery of anti-anginal drug as twice-daily dose. The tablets were made using the traditional wet…
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Biodegradable polymeric nanocapsules (NC) present incredible characteristics as drug nanocarriers that optimize drug targeting. However, However, a more detailed isolated effect of polymer-based nanoparticles as drug carriers is required. This work aimed to evaluate the per se effect of blank-NC…
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