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Polymeric Microneedle Array Fabrication by Photolithography
Published on: November 17, 2015
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Dissolving microneedles for alopecia treatment.
Hong Xiang1, Sai Xu1, Weiwei Zhang2
1Marine College, Shandong University, Weihai 264209, China.
Colloids and Surfaces. B, Biointerfaces
|August 3, 2023
Summary
New alopecia treatments target underlying causes and utilize dissolving microneedles (MNs) for improved drug delivery, offering new hope for hair loss patients. These innovative strategies aim to overcome limitations of current therapies and enhance treatment efficacy.
Area of Science:
- Dermatology
- Regenerative Medicine
- Nanotechnology
Background:
- Alopecia affects millions, significantly impacting quality of life, with current treatments like minoxidil and finasteride having limitations.
- Existing alopecia therapies face challenges including stratum corneum barrier, systemic side effects, and limited cure rates.
- Understanding alopecia mechanisms is crucial for developing more effective and targeted treatments.
Purpose of the Study:
- To explore novel therapeutic targets for alopecia, including lactate dehydrogenase pathways and oxidative stress.
- To investigate advanced drug delivery systems, such as dissolved microneedles (MNs), for enhanced alopecia treatment.
- To address limitations of current alopecia treatments by improving drug penetration and reducing adverse effects.
Main Methods:
- Investigated alopecia mechanisms focusing on lactate dehydrogenase pathways and reactive oxygen species.
- Developed novel drug formulations including nanoparticles and biomimetic cell membranes for hair follicle delivery.
- Engineered dissolved microneedles (MNs) incorporating various therapeutic agents and modalities like phototherapy and magnetic targeting.
Main Results:
- New therapeutic strategies show promise in targeting alopecia's root causes and improving hair follicle health.
- Dissolved microneedle (MN) systems demonstrated enhanced drug delivery and significant alopecia treatment effects.
- Innovations in drug formulation and delivery via MNs offer potential for reduced side effects and improved patient outcomes.
Conclusions:
- Novel approaches targeting alopecia mechanisms and employing advanced delivery systems like dissolved microneedles (MNs) represent a significant advancement.
- Dissolved microneedle (MN) technology holds great potential for alopecia treatment by improving drug penetration and minimizing systemic exposure.
- Further research and clinical translation are necessary to fully realize the potential of these innovative alopecia therapies.

