Rheumatoid arthritis (RA) is an immune-mediated disease that necessitates a thorough understanding of its intricate pathophysiological mechanism for precise and effective therapeutic targeting. The European League Against Rheumatism (EULAR) has established guidelines for RA treatment, endorsing monotherapy or combination therapy with corticosteroids and synthetic disease-modifying antirheumatic drugs (sDMARDs). This review delves into clinical trials and research outcomes related to combination drug delivery, with an emphasis on the role of natural products in combination with synthetic drugs. Given the significant adverse effects associated with systemic administration, topical delivery has emerged as an alternative avenue for effective management of RA.
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http://dx.doi.org/10.1016/j.drudis.2024.104071 | DOI Listing |
Gels
January 2025
Department of Instrumental and Analytical Chemistry, Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, 2 Petru Rareş Street, 200349 Craiova, Romania.
This study investigates the development and comprehensive characterization of innovative thermoresponsive gels incorporating rosemary essential oil (RoEO) encapsulated in poly(lactic--glycolic acid) (PLGA) microparticles, with a focus on their potential applications in topical antimicrobial and wound healing therapies. RoEO, renowned for its robust antimicrobial, antioxidant, and wound-healing properties, was subjected to detailed chemical profiling using gas chromatography-mass spectrometry (GC-MS), which identified oxygenated monoterpenes as its dominant constituents. PLGA microparticles were synthesized through an optimized oil-in-water emulsion technique, ensuring high encapsulation efficiency and structural integrity.
View Article and Find Full Text PDFBiomimetics (Basel)
December 2024
Laboratory of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
In this study, we describe the development of hydrogel formulations composed of micelles loading two natural antioxidants-resveratrol and rutin-and the evaluation of the effect of a by-product on the rheological and textural properties of the developed semi-solids. This approach aims to associate the advantages of hydrogels for topical administration of drugs and of lipid micelles that mimic skin composition for the delivery of poorly water-soluble compounds in combination therapy. Biomimetic micelles composed of L-α-phosphatidylcholine loaded with two distinct polyphenols (one non-flavonoid and one flavonoid) were produced using hot shear homogenisation followed by the ultrasonication method.
View Article and Find Full Text PDFCurr Med Chem
January 2025
Department of Pharmaceutical Sciences, Shalom Institute of Health & Allied Sciences, Sam Higginbottom University of Agriculture, Technology & Sciences, Allahabad, 211007, Uttar Pradesh, India.
Background: Thymoquinone (TQ) is found in the seeds of Nigella sativa. It has immunomodulatory, antibacterial, anti-inflammatory, antioxidant, astringent, antifungal, and antihistaminic properties, making it a highly valuable compound of interest. However, the use of it as a therapeutic drug is highly challenging because of its poor solubility, low bioavailability, and short-term stability.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China. Electronic address:
Psoriasis is a chronic and incurable inflammatory skin disease usually requiring long-term disease management. Natural phytochemical resveratrol (RES) has been known for high efficiency and low toxicity, exhibiting good anti-psoriasis potential. However, its biological activity is limited by poor solubility, chemical instability, and insufficient skin retention.
View Article and Find Full Text PDFNaunyn Schmiedebergs Arch Pharmacol
January 2025
Department of Pharmaceutics, ISF College of Pharmacy, GT Road, Moga, 142001, Punjab, India.
Psoriasis, a chronic autoimmune and non-communicable skin disease, affects 2-3% of the global population, creating a significant financial burden on healthcare systems worldwide. Treatment approaches are categorized based on disease severity, with first-line therapy focusing on topical treatments and second-line therapy encompassing phototherapy, systemic therapy, and biological therapy. Transdermal drug delivery methods present a promising alternative by enhancing drug absorption through the skin, potentially improving therapeutic outcomes while minimizing systemic adverse effects.
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