A review of new developments in peripheral nerve 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)

Peripheral nerve injury (PNI) is a significant health concern, affecting millions worldwide. Key neurotrophic factors, including nerve growth factor, brain-derived neurotrophic factor (BDNF), and glial cell line-derived neurotrophic factor, have shown promise in facilitating neural regeneration. The effects of non-steroidal anti-inflammatory drugs (NSAIDs) and corticosteroids have been extensively studied, emphasizing the importance of appropriate timing and duration of administration. Antioxidants such as vitamin E and melatonin have exhibited neuroprotective effects in animal models, but further research is necessary to determine their efficacy, optimal dosage, and administration in humans. Immunosuppressive agents like tacrolimus (FK506) and cyclosporin A have demonstrated substantial potential in enhancing peripheral nerve recovery. Supportive strategies, including physical therapy and neuromodulation techniques such as electrical and transcranial stimulation, have shown effectiveness in promoting nerve regeneration. Advances in bioengineering, including nerve conduits and stem cell transplantation, which mimic natural nerve repair mechanisms, hold considerable promise for improving PNI treatments. In conclusion, PNI therapy is progressing towards an integrative approach, combining surgical techniques with pharmacological interventions, bioengineering, and regenerative medi

Evidence level

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

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