Abstract

Nanotechnology is rapidly advancing as a promising approach in ovarian cancer management, addressing key challenges such as late diagnosis, drug resistance, and systemic toxicity of conventional therapies. Nanoparticles—engineered at the 1–100 nm scale—possess unique physical and biological properties that make them well-suited for targeted drug delivery, imaging, and biomarker detection. In diagnostics, platforms such as gold nanoparticles, quantum dots, superparamagnetic iron oxide nanoparticles (SPIONs), and carbon-based nanomaterials have demonstrated the ability to improve sensitivity and specificity, enabling the detection of low-abundance biomarkers and enhancing imaging contrast. These advances could significantly improve the early-stage detection, where survival outcomes are most favorable. Therapeutically, nanoparticles offer controlled and sustained drug release, targeted delivery to specific tumor sites, and the ability to co-deliver multiple agents, including siRNA and mRNA, in order to overcome resistance pathways. Clinically, liposomal formulations such as Doxil, already demonstrate reduced toxicity and improved drug bioavailability, while polymeric, silica, gold, and magnetic nanoparticles continue to show encouraging results in preclinical and early clinical studies. Although challenges remain—including large-scale production, long-term safety evaluation, and regulatory complexity—the current body of evidence highlights nanotechnology’s transformative potential in ovarian cancer care. By enabling earlier detection, more precise targeting, and reduced systemic toxicity, nanomedicine represents a critical step toward improving both survival and quality of life in affected patients.

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