Polycaprolactone-Based Nanocomposites for Wound Healing: Progress, Pitfalls, and Prospects

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Polymer Chemistry

Background:

• Wound healing is a complex biological process requiring advanced therapeutic dressings.
• Poly(ε-caprolactone) (PCL)-based nanocomposites offer excellent biocompatibility, biodegradability, and drug-loading capacity.
• PCL's properties make it a strong candidate for developing effective wound healing applications.

Purpose of the Study:

• To provide a comprehensive overview of PCL's characteristics for wound healing.
• To analyze PCL-based strategies for therapeutic agent delivery in wound models.
• To discuss limitations and future directions for PCL in clinical wound care.

Main Methods:

• Review of preclinical and translational studies on PCL for wound healing.
• Analysis of fabrication approaches like electrospinning and nanoparticle incorporation.
• Evaluation of PCL-based systems for drug delivery and biological performance.

Main Results:

• PCL nanocomposites demonstrate significant potential in accelerating wound healing and preventing infections.
• Various fabrication methods enhance PCL's biological performance and functional outcomes.
• Key limitations include slow degradation, burst drug release, and manufacturing challenges.

Conclusions:

• PCL is a versatile biomaterial for advanced wound dressings with tunable properties.
• Overcoming limitations requires developing stimuli-responsive, multifunctional, and patient-specific PCL systems.
• Future research should focus on polymer blending and advanced manufacturing like 3D bioprinting for clinical translation.