November 2024 in “Journal of Drugs in Dermatology” This review found that platelet-rich plasma may have a positive effect on scarring alopecia by slowing progression and reducing inflammation, though evidence remains limited to case reports.
7 citations
,
October 2024 in “Acta Dermato Venereologica” This study found that patients with alopecia areata had higher systemic inflammation markers compared to healthy controls, and these markers were associated with a greater risk of severe disease.
August 2024 in “Skin Research and Technology” In this systematic review and meta-analysis, PRP therapy significantly improved hair density and thickness for women experiencing hair loss, with mild and transient adverse effects, suggesting potential tailored treatment protocols based on dosage, injection duration, and ethnicity.
17 citations
,
June 2024 in “Journal of the European Academy of Dermatology and Venereology” This study suggests that using an appropriate tool for measuring quality of life is vital, particularly as factors like severity, female sex, and eyebrow involvement may increase the psychosocial burden of alopecia areata.
41 citations
,
June 2024 in “Journal of Cellular and Molecular Medicine” This study reviews how oxidative stress affects hair follicle development and hair growth, discusses antioxidant-based treatments for hair loss, and evaluates natural antioxidant products that promote hair growth, emphasizing the need for further research due to existing limitations.
7 citations
,
April 2024 in “International Journal of Dermatology” Alopecia areata greatly affects the quality of life for children and their families.
8 citations
,
December 2023 in “International Journal of Molecular Sciences” In this study, successful treatment outcomes with platelet-rich plasma injections in patients with IC/BPS and rUTI were associated with specific cytokine concentrations, particularly lower TNF-α levels.
December 2023 in “PubMed” This study found that both single- and double-spin PRP preparation methods significantly increased thrombocyte counts and improved hair parameters in males with androgenetic alopecia, with the single-spin method showing a more significant increase in thrombocyte count.
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.
May 2023 in “Clinical, Cosmetic and Investigational Dermatology” This review examines the efficacy of various novel treatments for androgenetic alopecia, including oral minoxidil and platelet-rich plasma, suggesting potential benefits but emphasizing the need for further high-quality clinical trials to thoroughly evaluate their effectiveness.
April 2023 in “Australasian Journal of Dermatology” Both methods of platelet-rich plasma showed positive effects on hair loss.
March 2023 in “Medica Hospitalia: Journal of Clinical Medicine” In this study, PRP treatment significantly promoted hair regrowth in patients with alopecia areata, with the best outcomes occurring after 4-6 sessions.
March 2023 in “Aesthetic Surgery Journal” This systematic review and meta-analysis found that activated platelet-rich plasma was significantly effective and safe in improving hair density and reducing hair loss in alopecia patients compared to control groups.
1 citations
,
December 2022 in “JAMA Dermatology” This study found that the HairComb algorithm achieved high accuracy in quantifying percentage hair loss across various types of alopecia, suggesting its potential for standardized automated assessments.
November 2022 in “Frontiers in Medicine” This review suggests that platelet-rich plasma may be a promising treatment for immune-mediated alopecias, including alopecia areata and primary cicatricial alopecias, but definitive recommendations are limited due to insufficient high-quality evidence.
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.
June 2022 in “Plastic and reconstructive surgery. Global open” This study found that platelet-rich plasma treatment significantly improved patients' quality of life and emotional well-being 3-5 months after treatment for hair loss.
8 citations
,
January 2022 in “Sensors” This study analyzed deep learning's application to automate hair density measurement in images and found that YOLOv4 had the best performance among tested algorithms, with a mean average precision of 58.67.
3 citations
,
October 2021 in “Dermatologic Therapy” This study demonstrated that PRP treatment improved hair metrics in androgenetic alopecia, with the dermapen method proving more effective than the point-by-point technique for specific hair growth indicators.
24 citations
,
June 2021 in “Journal of the European Academy of Dermatology and Venereology” This review highlights current knowledge about quality of life assessment in alopecia areata, noting limited use of existing instruments and a need for further validation.
6 citations
,
May 2021 in “Aesthetic Surgery Journal” This study found that intradermal injections of platelet-rich plasma were equally safe and effective for treating androgenetic alopecia, with higher platelet numbers possibly enhancing hair density and follicle diameter.
January 2021 in “Journal of Cutaneous and Aesthetic Surgery” Platelet-rich plasma with microneedling is effective for hair loss, but the number of sessions needed varies.
9 citations
,
November 2020 in “Journal of Inflammation Research” This perspective highlights the role of inflammation in male and female pattern hair loss and its implications for developing future therapeutic options.
13 citations
,
September 2020 in “International Journal of Molecular Sciences” This study found that combining platelet-rich plasma therapy with minoxidil was more effective in treating androgenetic alopecia in men than either treatment alone.
20 citations
,
July 2020 in “Expert Opinion on Biological Therapy” This study found that combining micro-needling, low-level laser therapy, and autologous non-activated platelet-rich plasma increased hair density in patients with androgenic alopecia over the treatment period.
18 citations
,
July 2020 in “Journal of The American Academy of Dermatology” This study found that PRP injections using the Eclipse system significantly improved hair density and caliber in women with androgenetic alopecia compared to saline placebo at 24 weeks.
11 citations
,
June 2020 in “Dermatologic Therapy” This study suggests that combination therapies including minoxidil with either finasteride, low-level laser light therapy, or microneedling are more effective than minoxidil alone for treating androgenetic alopecia.
10 citations
,
May 2020 in “Journal of Dermatological Treatment” This study found that combining microneedling with 5% minoxidil improved hair growth in Chinese men with androgenetic alopecia, possibly through activating the Wnt/β-catenin signaling pathway.
29 citations
,
May 2020 in “npj Regenerative Medicine” This review discusses the role of the immune niche in hair follicle regeneration and its impact on different forms of alopecia, highlighting research gaps and potential therapeutic strategies.
44 citations
,
February 2020 in “Expert Opinion on Biological Therapy” In this study, autologous non-activated platelet-rich plasma was associated with greater hair re-growth than autologous activated platelet-rich plasma over long-term follow-up.
5 citations
,
January 2020 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” This study found that PRP was effective for treating alopecia areata with similar improvement across groups, while topical delivery via fractional CO2 laser or microneedling reduced injection pain.
16 citations
,
November 2019 in “Dermatologic Surgery” This review examines the current evidence for platelet-rich plasma in dermatology, finding favorable outcomes particularly for androgenetic alopecia, but highlights the need for more rigorous clinical trials and standardized protocols.
11 citations
,
April 2019 in “Journal of Biological Research” This study identified 12 potential candidate biomarkers associated with hair loss by analyzing the differential expression of genes, suggesting possible therapeutic targets for alopecia.
39 citations
,
March 2019 in “Dermatologic Surgery” This study's meta-analysis reported that PRP injections significantly increased hair density compared to baseline and placebo in androgenetic alopecia patients, supporting its use as a beneficial treatment.
18 citations
,
January 2019 in “International Journal of Trichology” This study found that PRP therapy resulted in better hair growth and patient satisfaction than minoxidil therapy in men with androgenetic alopecia over six months, and patients with higher platelet counts in PRP experienced greater improvement.
57 citations
,
October 2018 in “Journal of The American Academy of Dermatology” This study found that platelet-rich plasma significantly increased hair count, density, and the percentage of anagen hairs in patients with androgenetic alopecia, but these improvements did not correlate with platelet or growth factor levels.
23 citations
,
November 2017 in “Stem cell investigation” This study found that platelet lysate produced higher follicular regeneration in hair restoration surgeries compared to activated PRP and saline, with significant gains in both follicular unit and hair density.
4 citations
,
November 2017 in “PubMed” This pilot study found a correlation between individual genetic inflammation profiles and the effectiveness of PRP treatment for hair regeneration, with differences observed between male and female responses.
136 citations
,
February 2017 in “International Journal of Molecular Sciences” This study observed that autologous platelet-rich plasma treatment improved hair count and density in areas with androgenetic alopecia compared to placebo, with differing outcomes based on the PRP collection device used.
48 citations
,
January 2017 in “International Journal of Trichology” This study found that combining microneedling with PRP and topical minoxidil (5%) significantly improved hair growth in men with androgenetic alopecia compared to using minoxidil alone.
136 citations
,
April 2016 in “Dermatologic Surgery” This study found that platelet-rich plasma significantly increased hair density and anagen hair proportions in androgenetic alopecia patients, suggesting potential as an adjuvant therapy.
15 citations
,
January 2015 in “International journal of medical research and health sciences” This study found that platelet-rich plasma injections resulted in earlier hair regrowth responses in alopecia areata patients compared to triamcinolone, but the difference was not statistically significant at 9 weeks.
4 citations
,
January 2014 in “PubMed” This review discusses the cyclical phases of hair follicle transformation and the various factors that regulate hair growth, reporting no new clinical results.
115 citations
,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” In this study, PRP injections increased hair count and reduced hair loss in patients with androgenic alopecia not responding to minoxidil and finasteride, with high patient satisfaction reported.
220 citations
,
June 2013 in “The Journal of Pathology” This study found that immune privilege collapse in the hair follicle bulge and associated immune responses may contribute significantly to the pathogenesis of lichen planopilaris, suggesting a potential autoimmune basis for the disease.
158 citations
,
February 2012 in “Journal of Investigative Dermatology” FGF18 helps keep hair in its resting phase, affecting hair growth cycles.
24 citations
,
January 2012 in “Indian Journal of Dermatology, Venereology and Leprology” This study suggests that hypersensitivity and increased serum IgE levels might contribute to the pathogenesis of diffuse alopecia areata through intense local inflammatory infiltration.
62 citations
,
November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
38 citations
,
May 2009 in “European journal of dermatology/EJD. European journal of dermatology” This study found that the TrichoScan method for evaluating hair loss showed excellent correlation with manual marking and provided more consistent, reproducible results with less variability and operator error.
91 citations
,
January 2009 in “International Journal of Trichology” This review discusses the advantages and limitations of various hair loss evaluation methods but reports no new results; it emphasizes the importance of cautious interpretation for these diagnostic tools.
162 citations
,
August 2004 in “Journal of Investigative Dermatology” This study suggests that stress negatively affects hair growth by inducing inflammation and early hair cycle transitions in mice, which might inform strategies for managing stress-related hair loss in humans.
561 citations
,
April 2003 in “Journal of Investigative Dermatology” CD34 is a marker for isolating stem-like cells in mouse hair follicles.
31 citations
,
November 2000 in “Clinical and Experimental Dermatology” This study developed the Women's Androgenetic Alopecia Quality of Life Questionnaire, which shows high reliability and internal consistency for assessing the impact of AGA on women's quality of life.
13 citations
,
August 1995 in “Australasian Journal of Dermatology” This study found that hair canal and follicle diameters, outer root sheath area, and terminal-to-vellus hair ratios were significantly reduced in androgenetic alopecia patients compared to normal controls.
222 citations
,
October 1993 in “Journal of The American Academy of Dermatology” This study found that androgenetic alopecia causes significant psychological distress, particularly in women, who exhibit a more negative body image and less adaptive functioning compared to controls.
