A Combinatorial Strategy for Peripheral Nerve Repair Utilizing 3D-Printed Collagen Nerve Guidance Conduits and Photobiomodulation Therapy: A Pilot Study in a Rat Sciatic Nerve Transection Model

Christopher R. Fellin; Richard C. Steiner; Jack T. Buchen; Juanita J. Anders; Xiaoning Yuan; Shailly H. Jariwala

doi:10.1177/25785478251414510

March 24, 2026Photobiomodulation Photomedicine and Laser Surgery

A Combinatorial Strategy for Peripheral Nerve Repair Utilizing 3D-Printed Collagen Nerve Guidance Conduits and Photobiomodulation Therapy: A Pilot Study in a Rat Sciatic Nerve Transection Model

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Key Points

This research aims to evaluate the effectiveness of 3D-printed collagen nerve guidance conduits in promoting nerve regeneration after peripheral nerve injury.
Conducted a pilot study using rat sciatic nerve transection model.
Applied 3D-printed collagen nerve guidance conduits (NGCs) for nerve repair.
Assessed nerve regeneration and biocompatibility of the conduits after implantation.
Findings indicate that 3D-printed NGCs are biocompatible.
Early signs of nerve regeneration were observed post-implantation.
Photobiomodulation therapy (PBMT) did not enhance nerve regeneration outcomes.

Implication

Pilot study shows biocompatibility and nerve regeneration in a rat model, suggesting potential for future enhancements.

Abstract

Altogether, this study provides encouraging preliminary evidence that these novel, 3D-printed NGCs are biocompatible and promote early nerve regeneration after peripheral neurotmesis. While PBMT did not enhance outcomes in this study, further work is needed to optimize light delivery parameters and improve conduit design for enhanced neuroregeneration.

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Cite This Study

Fellin et al. (2026) studied this question.

synapsesocial.com/papers/69c4cd05fdc3bde448918d45 https://doi.org/10.1177/25785478251414510

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A Combinatorial Strategy for Peripheral Nerve Repair Utilizing 3D-Printed Collagen Nerve Guidance Conduits and Photobiomodulation Therapy: A Pilot Study in a Rat Sciatic Nerve Transection Model

Key Points

Implication

Abstract

Discussion

Cite This Study

A Combinatorial Strategy for Peripheral Nerve Repair Utilizing 3D-Printed Collagen Nerve Guidance Conduits and Photobiomodulation Therapy: A Pilot Study in a Rat Sciatic Nerve Transection Model

Key Points

Implication

Abstract

Discussion

Cite This Study

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