Microneedle-Assisted Delivery of PEGylated Recombinant Human Fusion Collagen for Androgenetic Alopecia: Preclinical and Pilot Clinical Evidence

    Meitong Jin, Yanli Kong, Ling Ge … Longquan Pi
    Studysummary This study reported that microneedle-assisted delivery of PEGylated recombinant human fusion collagen significantly improved hair regrowth and density in an androgenetic alopecia mouse model and in a small clinical trial with AGA patients, suggesting potential efficacy and safety for this treatment approach.
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    Research cited in this study 11

    1. Platelet-Rich Plasma-Derived Exosomes Stimulate Hair Follicle Growth Through Activation of the Wnt/β-Catenin Signaling Pathway Regenerative Therapy · 2025
    2. Curcumin-Primed Milk-Derived Extracellular Vesicles Remodel Hair Follicle Microenvironment for the Treatment of Androgenetic Alopecia Regenerative Biomaterials · 2025
    3. Comparative Effects of Finasteride and Minoxidil on Male Reproductive Organs: A Systematic Review of In Vitro and In Vivo Evidence Toxicology and Applied Pharmacology · 2023
    4. Curcumin-Zinc Framework Encapsulated Microneedle Patch for Promoting Hair Growth Theranostics · 2023
    5. Application of Extracellular Vesicles From Mesenchymal Stem Cells Promotes Hair Growth by Regulating Human Dermal Cells and Follicles World journal of stem cells · 2022
    6. The Psychological Consequences of Androgenetic Alopecia: A Systematic Review Journal of Cosmetic Dermatology · 2022
    7. Comparative Histological and Immunohistochemical Study on the Effect of Platelet-Rich Plasma and Minoxidil, Alone or in Combination, on Hair Growth in a Rat Model of Androgenic Alopecia Tissue & Cell · 2022
    8. The Anti-Apoptotic Bcl-2 Protein Regulates Hair Follicle Stem Cell Function EMBO Reports · 2021
    9. Cross-Sectional Quality of Life Assessment in Patients with Androgenetic Alopecia Dermatologic Therapy · 2020
    10. Beta-1 Integrin Signaling Maintains Human Epithelial Progenitor Cell Survival In Situ and Controls Proliferation, Apoptosis, and Migration of Their Progeny PLoS ONE · 2013
    11. The Biology of Hair Follicles The New England Journal of Medicine · 1999