2 citations
,
August 2023 in “Journal of Cutaneous Medicine and Surgery” This study concluded that platelet-rich plasma is effective and safe for increasing hair density in androgenetic alopecia, showing significant improvement compared to placebo at 3 and 6 months.
17 citations
,
April 2023 in “British Journal of Dermatology” This study suggests that off-label use of baricitinib in children under 12 with alopecia areata may improve hair regrowth, but further research is needed to confirm efficacy and safety.
20 citations
,
February 2023 in “American Journal of Clinical Dermatology” In this study, 40.9% of patients taking 4 mg baricitinib and 21.2% taking 2 mg achieved significant hair regrowth over 52 weeks, indicating potential long-term benefits for adults with severe alopecia areata without introducing new safety concerns.
February 2023 in “Journal of Advanced Research” This study found that platelet-rich plasma microneedles promoted hair regrowth in mice by facilitating angiogenesis and cell proliferation, showing promise for a minimally invasive hair regeneration treatment.
13 citations
,
September 2022 in “Frontiers in immunology” This study found that Ifidancitinib, a JAK1/3 inhibitor, significantly promoted hair regrowth and reduced inflammation in a mouse model of alopecia areata by decreasing pathogenic T cell activity and inducing T cell exhaustion.
4 citations
,
September 2022 in “Dermatologic Therapy” This study found that twice-daily oral baricitinib at a 2-mg dose showed promising results in treating refractory alopecia areata, particularly among Chinese patients, with 64% achieving significant hair regrowth, although none attained complete hair regrowth. Adverse events were mild and included nausea and folliculitis.
September 2022 in “Indian Journal of Dermatology, Venereology and Leprology” August 2022 in “Dermatologic Therapy” This letter discusses the use of the 2940 nm Er: YAG fractional laser for male androgenetic alopecia but provides no new clinical findings.
37 citations
,
August 2022 in “Frontiers in pharmacology” This study found that oral JAK inhibitors are effective and generally well-tolerated for treating alopecia areata, but high recurrence rates after stopping treatment suggest the need for continuous use.
1 citations
,
August 2022 in “Journal of Drugs in Dermatology” This study found that the efficacy of platelet-rich plasma in treating androgenetic alopecia is higher with increased frequency of sessions, chemically-activated PRP, double centrifugation, and whole-head application, among younger and female patients.
13 citations
,
July 2022 in “Frontiers in cell and developmental biology” This review discusses the potential of cell-derived nanovesicles as innovative treatment strategies for hair growth and provides no new clinical results; the authors emphasize the need for further understanding of their mechanisms.
5 citations
,
June 2022 in “Frontiers in immunology” This study observed that expanding regulatory T cells in the skin of mice with alopecia areata did not reverse the condition, indicating that additional immunotherapy may be necessary.
January 2022 in “Skin Pharmacology and Physiology” This study demonstrated higher STAT3 gene expression in scalp tissue affected by androgenetic alopecia, but found no significant link with hair loss severity.
2 citations
,
December 2021 in “Dermatology and therapy” This review reports that clinical studies generally showed favorable results for microneedling as an adjunct therapy for androgenic alopecia and alopecia areata, despite the low quality of existing data.
19 citations
,
June 2021 in “Tissue Engineering and Regenerative Medicine” This study found that adipose-derived stem cell exosomes promoted hair follicle regeneration in mice, resulting in a higher number of regenerated hairs and follicles compared to the control group.
10 citations
,
January 2021 in “Annals of dermatology/Annals of Dermatology” This case report describes a rare instance of alopecia areata linked to nivolumab treatment in a patient with hepatocellular carcinoma.
22 citations
,
September 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” This review highlights the possible role of T regulatory cells in the immune-related mechanisms of alopecia areata but reports no new clinical findings.
16 citations
,
July 2020 in “International Journal of Molecular Sciences” This study found that ruxolitinib modulated inflammatory changes and stimulated growth factor signals by blocking the JAK-STAT pathway in an in vitro model of alopecia areata.
27 citations
,
January 2020 in “Experimental Dermatology” This review discusses the role of immune cells in mammalian hair cycle control and highlights their potential relevance to human hair cycling disorders, reporting no new clinical findings.
25 citations
,
July 2019 in “Experimental Dermatology” This review discusses the role of cholesterol homeostasis in hair follicle biology and its potential connections to various hair disorders, but it reports no new findings.
101 citations
,
March 2019 in “Cell Stem Cell” This study found that Oncostatin M, via JAK-STAT5 signaling, keeps hair follicle stem cells inactive, and its removal leads to hair growth initiation in mice.
27 citations
,
May 2018 in “Journal of Dermatological Science” This study suggests that M2 macrophages play a key role in promoting wound-induced hair neogenesis in mice by producing growth factors like Igf1 and Fgf2.
21 citations
,
December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This study suggests that statins may help treat acute alopecia areata, with animal experiments showing increased regulatory T cell populations after statin treatment in mice with the condition.
12 citations
,
December 2017 in “Journal of Investigative Dermatology Symposium Proceedings” This review discusses platelet-rich plasma and microneedling for alopecia areata, reporting promising small-scale findings but no new results, and suggests further trials to determine efficacy and specific disease subtype suitability.
27 citations
,
April 2017 in “British Journal of Dermatology” This study identified overexpression of certain immune-related genes and underexpression of genes in specific signaling pathways in premature androgenetic alopecia, suggesting potential new therapeutic targets.
55 citations
,
January 2016 in “Annals of Dermatology” This study found that repeated microneedle stimulation in mice promoted hair growth and increased the expression of hair-growth-related genes, suggesting potential therapeutic uses for alopecia.
159 citations
,
October 2015 in “Science Advances” This study observed that applying JAK-STAT pathway inhibitors to mouse and human skin led to rapid hair growth by inducing the anagen phase of hair follicles.
237 citations
,
June 2013 in “Nature Medicine” This study found that fibroblast growth factor 9, initially secreted by γδ T cells, plays a key role in modulating hair follicle regeneration in mice after skin wounds.
829 citations
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May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
5 citations
,
June 1994 in “Journal of Cutaneous Pathology” In this study, CD44 expression was absent in alopecia areata-affected scalp, with some patients regaining expression after treatment despite no significant hair regrowth, suggesting involvement in the disease's pathogenesis.
