March 2023 in “ACS Applied Materials & Interfaces” This study reports that a water-soluble microneedle patch with minoxidil-loaded microspheres showed similar or better hair regeneration effects in mice with less frequent application compared to daily topical minoxidil.
5 citations
,
January 2023 in “Nature cell biology” This study found that endothelin produced by hair follicle progenitors activates contractions in dermal sheath cells, facilitating hair follicle regression in the growth cycle.
1 citations
,
December 2022 in “Bioactive Materials” In this study, researchers developed a nanocomposite microneedle patch containing copper/zinc dual-doped silica nanoparticles, which release substances to promote hair follicle regeneration by targeting various pathophysiological aspects of androgenic alopecia, presenting an effective anti-hair loss treatment strategy.
13 citations
,
November 2022 in “Biomaterials Science” This study demonstrated that a device combining hyaluronic acid-based dissolving microneedles and lipid polymer hybrid nanoparticles effectively delivered miR-218 to promote hair growth in a shaved mouse model, outperforming topical smear treatment without safety concerns.
2 citations
,
May 2022 in “Advanced therapeutics” This study reported that a novel vasodilator drug called TOP-M119, when delivered using a specially designed dissolving microneedle system, showed enhanced targeting of hair follicles and effectiveness in treating alopecia, demonstrated through in vitro, ex vivo, and in vivo studies involving mouse skin.
148 citations
,
March 2022 in “The New England Journal of Medicine” In two phase 3 trials, this study found that oral baricitinib significantly improved hair regrowth compared to placebo in adults with severe alopecia areata after 36 weeks, though longer trials are needed to ascertain its long-term efficacy and safety.
16 citations
,
March 2022 in “Journal of Clinical Medicine” In this observational study, researchers found that mini-pulse oral corticosteroids effectively reduced hair loss in alopecia areata patients who did not respond to topical therapies, though early-onset patients and those with hypothyroidism were less likely to benefit.
20 citations
,
October 2021 in “Applied materials today” This study demonstrated that a new technology combining microneedle patches, stem cell exosomes, and light therapy effectively promoted hair regrowth in animal models within 7 days compared to conventional treatments.
38 citations
,
July 2021 in “ACS Nano” This study found that a ceria nanozyme-integrated microneedles patch accelerated hair regeneration in an androgenetic alopecia mouse model more effectively than minoxidil, with reduced application frequency and minimal skin damage.
23 citations
,
July 2021 in “International Journal of Pharmaceutics” This study describes the development of microneedle array patches for finasteride that released the drug over 7 to 14 days in vitro, suggesting a potential alternative to oral treatments for long-term management of benign prostatic hyperplasia and androgenic alopecia.
16 citations
,
June 2021 in “Journal of Dermatological Treatment” This study reported that while topical minoxidil exhibits hair regrowth in androgenetic alopecia, oral minoxidil 5 mg/day was more effective than topical forms after six months, with low doses also potentially effective for women and other hair loss types.
40 citations
,
June 2021 in “Clinical, cosmetic and investigational dermatology” This review explores the efficacy and outcomes of using JAK inhibitors for treating alopecia areata, noting advancements in understanding the disease's pathomechanisms and suggesting that JAK inhibitors may offer targeted therapeutic benefits by blocking specific inflammatory pathways involved in this chronic condition.
77 citations
,
March 2021 in “Nature” In this study, increased corticosterone from chronic stress prolonged hair follicle stem cell quiescence in mice, inhibiting regeneration, but restoring Gas6 expression overcame this inhibition.
28 citations
,
November 2020 in “Journal of Controlled Release” In this study, microneedles combined with finasteride nanostructured lipid carriers (FIN-NLC-MNs) were found to enhance skin penetration and specifically target hair follicles, promoting hair growth and gene regulation in androgenetic alopecia.
8 citations
,
October 2020 in “Lasers in Medical Science” This review suggests that low-level light therapy can promote hair growth in patients with androgenetic alopecia, but more research is needed to standardize treatment parameters and assess long-term safety and efficacy.
2 citations
,
August 2020 in “Dermatologic Therapy” This study found that increasing energy fluence, session duration, and using pulsed irradiation significantly enhance hair regrowth in androgenetic alopecia when using low-level laser therapy, while the number of diodes does not affect outcomes.
65 citations
,
July 2020 in “Science Advances” Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.
86 citations
,
July 2020 in “International Journal of Molecular Sciences” This review discusses the role of Wnt/β-catenin signaling in hair follicle regeneration and highlights recent progress in developing hair loss treatments targeting this pathway, but reports no new clinical results.
26 citations
,
June 2020 in “Polymers” This study reported that a magneto-responsive transdermal microneedle system delivered Minoxidil effectively and significantly increased hair density by 800% in mice with androgenetic alopecia after 10 days.
7 citations
,
March 2020 in “Lasers in Medical Science” LLLT is a safe, promising hair loss treatment, but more research needed.
33 citations
,
November 2019 in “Journal of Controlled Release” In this study, researchers developed a new self-administered finasteride delivery system using powder-carrying microneedles that improved hair growth efficacy and addressed safety concerns compared to topical finasteride gel by allowing sustained intradermal release of the drug for three days with a single application.
92 citations
,
September 2019 in “ACS nano” This study observed that a wearable electric stimulation device significantly promoted hair regeneration in rats and mice, outperforming conventional pharmacological treatments and enhancing growth factor secretion.
18 citations
,
August 2019 in “Drug Development and Industrial Pharmacy” This study concludes that phospholipid–polymer hybrid nanoparticles may be an effective delivery system for quercetin in treating androgenic alopecia by improving hair regrowth and preventing hair follicle cell apoptosis in rat models.
117 citations
,
August 2019 in “Drug Design Development and Therapy” This review article provides an updated overview of the pharmacology, mechanism of action, clinical efficacy, and adverse events associated with topical minoxidil, a widely used treatment for androgenetic alopecia and other hair loss conditions, while noting that its exact mechanism is still not fully understood.
11 citations
,
June 2019 in “Tissue & Cell” This study indicates that COL17A1 plays a crucial role in the differentiation process of hair-follicle-associated pluripotent stem cells.
192 citations
,
April 2019 in “ACS nano” In a mouse model, this study demonstrated that a microneedle patch system using keratin and integrated with MSC-derived exosomes and UK5099 promoted hair regrowth more efficiently than traditional delivery methods.
45 citations
,
December 2018 in “Lasers in Medical Science” In a 24-week randomized trial, this study found that the RAMACAP laser helmet significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, although limitations included a small sample size and potential issues with the control used.
134 citations
,
December 2018 in “Dermatology and Therapy” This review discusses the potential role of vitamins and minerals in managing non-scarring alopecia but reports no clinical results; the authors advocate for further controlled trials to explore these relationships.
49 citations
,
December 2018 in “JAAD case reports” This case report describes a patient who developed alopecia after 18 weeks of treatment with dupilumab for atopic dermatitis.
16 citations
,
October 2018 in “Biochemical and Biophysical Research Communications” In this study, sildenafil was found to enhance human dermal papilla cell proliferation and promote hair growth in mice, suggesting potential use in alopecia treatment.
74 citations
,
June 2018 in “Cell death and disease” In this study, researchers found that depleting mtDNA in mice caused skin wrinkles and hair loss but restoring mitochondrial function reversed these effects, highlighting mtDNA's significant role in skin and hair health.
68 citations
,
March 2018 in “Biomaterials” This study found that in vivo, a novel microneedle system for valproic acid delivery may improve hair regrowth efficacy by upregulating hair follicle development pathways more effectively than topical application.
14 citations
,
March 2018 in “Current Drug Delivery” In this study, researchers reviewed literature on topical delivery of finasteride for androgenetic alopecia, finding that liposomal gels with specific additives showed the highest skin permeation rates, suggesting potential for reducing systemic side effects compared to oral formulations.
20 citations
,
January 2018 in “Expert Opinion on Drug Safety” This review discusses androgenetic alopecia management with 5α-reductase inhibitors, emphasizing that while dutasteride shows superior efficacy, finasteride is suggested as preferable due to predictable adverse effects and preservation of physiological roles.
14 citations
,
January 2018 in “Indian Journal of Dermatology, Venereology and Leprology” In this study, adding low-level light therapy to minoxidil significantly improved hair regrowth and patient satisfaction in treating androgenetic alopecia compared to minoxidil alone.
41 citations
,
December 2017 in “Lasers in Medical Science” This study found that low-level laser therapy may significantly improve androgenic alopecia in both men and women, either alone or alongside treatments like minoxidil and finasteride.
290 citations
,
December 2017 in “Journal of The American Academy of Dermatology” This article reviews the epidemiology, clinical evaluation, and pathogenesis of alopecia areata and highlights recent advancements, but it does not report new clinical findings.
145 citations
,
November 2017 in “Journal of The European Academy of Dermatology and Venereology” This guideline review by the European Dermatology Forum evaluates current treatments for androgenetic alopecia but reports no new research findings, aiming to assist dermatologists in selecting safe and effective therapies.
113 citations
,
November 2017 in “Scientific Reports” This study found that treatment with mesenchymal stem cell extracellular vesicles enhanced hair growth in mice and stimulated dermal papilla cell activity and growth factor production in vitro.
202 citations
,
August 2017 in “Nature cell biology” This study found that glycolytic metabolism and lactate production are crucial for hair follicle stem cell activation, and manipulating these processes can stimulate the hair cycle.
22 citations
,
July 2017 in “Australasian journal of dermatology” This study reported that two Chinese patients with lichen planopilaris or frontal fibrosing alopecia experienced satisfactory hair regrowth for 3-4 years following follicular unit extraction hair transplantation after their conditions were stabilized with therapy.
242 citations
,
February 2016 in “Science” This research found that Foxc1 transcription factor and COL17A1 are critical in regulating quiescence and hair thinning in hair follicle stem cells, with aging-related DNA damage leading to hair loss.
14 citations
,
September 2015 in “PubMed” This review discusses treatment strategies for alopecia areata and emphasizes the importance of primary care physicians recognizing and managing the condition, with referrals to dermatologists for more severe cases.
44 citations
,
April 2015 in “PubMed” This study reports that clinical trials of finasteride for androgenic alopecia provide insufficient and systematically biased safety data, with most participants unrepresentative of those in pivotal trials that led to FDA approval.
18 citations
,
October 2014 in “Experimental Biology and Medicine” This study found that feeding mice high levels of dietary vitamin A increased WNT signaling, which activated hair follicle stem cells and may have accelerated alopecia areata progression.
20 citations
,
December 2013 in “Clinical and Experimental Dermatology” This study found that among Korean men with AGA, drinking and smoking were associated with greater hair loss severity, while family history was linked to more severe hair loss and earlier onset.
152 citations
,
April 2012 in “Recent Patents on Inflammation & Allergy Drug Discovery” This review describes minoxidil's hair regrowth mechanism and discusses dermatological applications, but reports no new clinical results, emphasizing the need for regular use and addressing allergic reactions.
76 citations
,
October 2011 in “Clinica Chimica Acta” In this study, ultraviolet irradiation and immersion in shampoo and hot water significantly reduced hair cortisol, illustrating a two-stage process of cortisol loss that may impact chronic stress assessment.
198 citations
,
October 2011 in “Journal der Deutschen Dermatologischen Gesellschaft” This article discusses the development of an evidence-based guideline for treating androgenetic alopecia and reports no new research results.
67 citations
,
May 2010 in “Journal of The American Academy of Dermatology” This article discusses a unique case of permanent chemotherapy-induced alopecia in a patient receiving chemotherapy for breast cancer, characterized by a distinctive histologic finding and excludes bone marrow transplantation, but reports no new clinical results.
142 citations
,
August 2007 in “Journal of The American Academy of Dermatology” This study found that a new 5% minoxidil foam formulation significantly increased hair counts and improved hair loss condition in men with androgenetic alopecia over 16 weeks compared to placebo.
102 citations
,
January 2003 in “Dermatology” This review discusses the potential link between smoking and hair loss and suggests that raising awareness about this association could enhance anti-smoking education efforts.
520 citations
,
February 2001 in “Journal of Clinical Investigation” This study found that VEGF significantly enhances perifollicular vascularization during the hair growth phase, accelerating hair regrowth and increasing follicle and hair size, while its inhibition retards hair growth.
30 citations
,
May 1991 in “Psychosomatics” This review examines alopecia as a side effect of psychotropic medications, noting that it is typically reversible after stopping the drug, but it reports no new results.
12 citations
,
July 1958 in “Journal of Endocrinology” In this animal study, cortisone injections inhibited hair regrowth in rats and rabbits, while bilateral adrenalectomy did not significantly affect the hair regrowth cycle.
