DESIGN AND DEVELOPMENT OF CURCUMIN-DERIVED MOLECULES FOR SEPSIS: MECHANISMS, EFFICACY, AND FUTURE DIRECTIONS
Sepsis is a life-threatening condition characterized by a dysregulated host response to infection, leading to systemic inflammation, oxidative stress, immune dysfunction, and multi-organ failure. Despite advancements in supportive care and antimicrobial therapy, effective targeted treatments remain limited, necessitating the exploration of novel therapeutic strategies. Curcumin, a natural polyphenolic compound derived from *Curcuma longa*, has demonstrated significant antiinflammatory, antioxidant, antimicrobial, and immunomodulatory properties. However, its clinical application is hindered by poor solubility, rapid metabolism, and low bioavailability. To overcome these limitations, extensive research has focused on the design and development of curcumin-derived molecules through strategic chemical modifications, including monocarbonyl analogues, heterocyclic substitutions, prodrug approaches, and conjugation techniques. These derivatives exhibit enhanced pharmacokinetic and pharmacodynamic profiles, improved stability, and increased target specificity. Mechanistically, curcumin-derived compounds modulate key signaling pathways involved in sepsis pathogenesis, such as NF-?B, MAPKs, and toll-like receptors, thereby reducing cytokine storm, oxidative damage, and immune dysregulation. Preclinical studies using in vitro and in vivo sepsis models have demonstrated superior efficacy of these derivatives compared to native curcumin, including improved survival rates, reduced organ injury, and enhanced microbial clearance. Additionally, integration with advanced drug delivery systems, such as nanoparticles and polymeric carriers, further enhances their therapeutic potential. Despite promising outcomes, challenges related to large-scale synthesis, regulatory approval, and clinical validation remain. Overall, curcumin-derived molecules represent a promising class of multifunctional agents with the potential to address the complex pathophysiology of sepsis, offering new avenues for translational research and future therapeutic development