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A piezoelectric-driven microneedle platform for skin disease therapy
Ziyan Chen1,2,3,4, Xin Liu1,2,3,5,6,7,8, Zixi Jiang1,2,3,5,6,7
1Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, China.
Innovation (Cambridge (Mass.))
|April 29, 2024
Summary
A new piezoelectric-driven microneedle (PDMN) platform enhances photodynamic therapy (PDT) for skin disease. This minimally invasive approach improves treatment effectiveness, reduces drug concentration, and shortens incubation times.
Area of Science:
- Dermatology
- Biomedical Engineering
- Photomedicine
Background:
- Skin disease is a significant global health issue with challenges in eradication and potential for scarring.
- Photodynamic therapy (PDT) offers a minimally invasive treatment option but requires further optimization for clinical efficacy.
- Existing PDT methods can be limited by invasiveness, scarring, and side effects, necessitating advancements in drug delivery and treatment protocols.
Purpose of the Study:
- To introduce and evaluate a novel piezoelectric-driven microneedle (PDMN) platform for enhancing photodynamic therapy (PDT) in skin disease treatment.
- To assess the safety, efficiency, and clinical efficacy of PDMN-assisted PDT (PDMN-PDT) compared to traditional PDT.
- To investigate the mechanism of PDMN in improving protoporphyrin IX levels and drug penetration for enhanced therapeutic outcomes.
Main Methods:
- Development of a piezoelectric-driven microneedle (PDMN) platform designed for deep tissue cavitation and enhanced drug delivery.
- Conducting a clinical trial with 25 patients diagnosed with skin disease to assess PDMN-PDT.
- Measuring treatment effectiveness, required incubation time, drug concentration, and patient tolerance (including need for anesthesia) for PDMN-PDT versus traditional PDT.
Main Results:
- PDMN-PDT demonstrated significantly enhanced treatment effectiveness for skin disease.
- The study observed a 25% reduction in required incubation time and a 50% reduction in drug concentration with PDMN-PDT compared to traditional PDT.
- PDMN-PDT was well-tolerated, requiring no anesthesia and showing minimal invasiveness and scarring, indicating high patient acceptability.
Conclusions:
- PDMN-assisted photodynamic therapy (PDMN-PDT) presents a safe, minimally invasive, and highly effective treatment modality for skin disease.
- The PDMN platform enhances topical medication efficacy by inducing deep tissue cavitation and improving drug penetration.
- PDMN-PDT shows promising potential for improved clinical applications and translation in treating various skin conditions.
