Healing the Sole: Combining Natural Plant Extracts and Conventional Drugs in Wound Delivery Systems for Diabetic Foot Ulcer Treatment.
Diabetic foot ulcers (DFUs) are a serious complication of diabetes, affecting 19-34% of patients and with a five-year mortality rate of 50-70%, often due to poor healing and infections. Current treatments are limited, leading to antibiotic resistance and amputations. This review explores combining natural plant extracts (like curcumin and flavonoids) with conventional drugs in advanced delivery systems such as hydrogels and nanofibers. These plant extracts have antibacterial and anti-inflammatory properties, while drugs help control infection and metabolism, but they work better together. The study analyzed existing research, not new experiments, and found that this combination could improve healing by addressing multiple wound problems at once. However, the authors note that natural extracts can be unstable and vary in quality, which may affect results. This approach is promising but needs more clinical trials to confirm safety and effectiveness in humans.
Key takeaways
- Diabetic foot ulcers affect up to 34% of diabetics, with high mortality and amputation risk, so better treatments are urgent.
- Combining plant extracts like curcumin with antibiotics or other drugs in smart bandages may boost healing.
- Advanced delivery systems (hydrogels, nanofibers) can release these combos slowly to target the wound bed.
- More clinical trials are needed because most data comes from lab and animal studies, not humans.
- Ask your doctor if any advanced wound dressings or combination therapies are available for your DFU.
- Natural remedies should never replace prescribed care; always discuss with your healthcare provider first.
Editor's note
In China, DFU care is advancing, with specialised centres using modern dressings and growth factors, but natural extract-based combination therapies are still experimental. While some plant extracts are used in traditional medicine, integrating them into regulated drug delivery systems is not yet standard. Patients should consult specialists at certified DFU centres, who can offer evidence-based treatments and consider participation in clinical trials if available.