Advancing Nanomedicine: For Bone Defect Repair and Regeneration

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

The clinical significance of bone defects is not well understood; these pathological conditions not only compromise patients' quality of life but may also result in permanent functional impairment if inadequately addressed. Consequently, the development of effective therapeutic interventions for bone defect repair and regeneration is a critical medical challenge. Recent advancements in nanotechnology, particularly engineered nanoparticle systems, have introduced promising new strategies for bone tissue regeneration. However, it is important to note that most nanoparticle-based approaches remain at the preclinical or experimental stage, and their clinical translation is still limited. These sophisticated nanomaterials enhance critical biological processes including osteoconduction, osteoinduction, and osteogenesis which collectively facilitate optimal bone healing. Notably, certain nanoparticles possess intrinsic properties that enable modulation of the inflammatory microenvironment and immunological responses during bone repair. Furthermore, the integration of nanoparticles with complementary biomaterials yielded composite systems with superior therapeutic efficacy in addressing complex bone defects. This comprehensive review summarizes the pathophysiological mechanisms underlying bone repair, systematically examines the preclinical and experimental therapeutic applications of

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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