214 citations
,
September 2015 in “Stem Cells Translational Medicine” This study found that platelet-rich plasma injections significantly increased hair count and density in patients with male pattern hair loss without major side effects, suggesting it may be a safe and effective treatment option.
70 citations
,
February 2015 in “Expert Opinion on Drug Discovery” This review discusses current knowledge on the biological mechanisms of different types of alopecia but reports no new clinical findings; the authors highlight future research directions, especially regarding epidermal stem cells and immune pathways.
74 citations
,
January 2015 in “Asian Journal of Transfusion Science” This study found that platelet-rich plasma injections led to improvements in hair counts, thickness, and strength in patients with androgenic alopecia, showing promise as an effective treatment with no major adverse effects.
4 citations
,
January 2015 in “Journal of clinical & experimental dermatology research” This study observed a slight improvement in hair density in men with androgenetic alopecia treated with autologous platelet rich plasma, but only two cases showed cosmetic improvement.
54 citations
,
December 2014 in “Wound Repair and Regeneration” This study observed that autologous PRP and PDRN injections improved hair thickness and density in women with pattern hair loss, with combined therapy showing greater improvement in thickness than PDRN alone.
107 citations
,
August 2014 in “Dermatologic Surgery” This pilot study suggests injecting platelet-derived growth factors into the scalp may offer some clinical benefits for androgenetic alopecia, though further randomized trials are needed for confirmation.
183 citations
,
January 2014 in “BioMed Research International” This study reported that AA-PRP injections significantly increased hair count and density in individuals with pattern hair loss compared to baseline, demonstrating their potential for enhancing hair growth.
119 citations
,
January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” This review discusses the use of platelet-rich plasma in various dermatological applications and reports no new clinical results; the authors call for more rigorous trials to confirm its effectiveness.
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.
164 citations
,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” This study found that PRP injections may improve hair density and reduce hair loss in patients with androgenetic alopecia without significant side effects, but further research is needed to confirm efficacy.
63 citations
,
October 2013 in “Dermatologic Surgery” In this study using a mouse model, the researchers found that platelet-rich plasma significantly increased the number of newly formed hair follicles and decreased the time for hair formation compared to no treatment.
205 citations
,
April 2013 in “British Journal of Dermatology” In this study, platelet-rich plasma significantly increased hair regrowth and reduced symptoms of alopecia areata compared to triamcinolone acetonide or placebo, with no observed side effects.
45 citations
,
March 2013 in “European Journal of Plastic Surgery” In this retrospective study, PRP injections for alopecia were found to improve hair volume and quality, with high patient satisfaction, particularly in those with less than 2 years of hair loss.
88 citations
,
December 2012 in “Journal of The European Academy of Dermatology and Venereology” This study found that interfollicular injection of autologous CD34+ cell-containing PRP preparation improved hair count and thickness in patients with pattern hair loss, with better results than placental extract treatment.
36 citations
,
December 2012 in “Dermatologic Surgery” Injecting platelet-rich plasma (PRP) can increase hair growth rate and density in male pattern baldness.
58 citations
,
September 2012 in “Dermatologic Clinics” This article reviews current knowledge on the causes, diagnosis, and medical treatments for androgenetic alopecia, particularly in men, and reports no new findings.
270 citations
,
March 2012 in “Dermatologic Surgery” This study found that autologous platelet-rich plasma increased hair growth potential by enhancing dermal papilla cell proliferation and stimulating key signaling pathways in both cell cultures and mice models.
166 citations
,
August 2011 in “Dermatologic Surgery” This study found that PRP combined with dalteparin and protamine microparticles may enhance hair growth by increasing hair thickness compared to PRP alone.
81 citations
,
June 2010 in “Journal of Dermatological Treatment” This review discusses recent advancements in hair rejuvenation strategies and assesses the potential of herbal drugs as safer alternatives, but reports no new clinical results.
42 citations
,
March 2010 in “Endocrinology” This study reports the development of the first rodent model for androgenetic alopecia, demonstrating that overexpression of androgen receptors in mice delays hair regeneration and can be used to test new treatments.
51 citations
,
February 2009 in “Journal of dermatological science” In this study, β-catenin overexpression in human hair outer root sheath cells increased the expression of Pitx2, which activated the follicular differentiation pathway, suggesting Pitx2's potential role as a modulator in hair growth control.
41 citations
,
January 2007 in “Journal of Korean Medical Science” This study found that combining minoxidil with all-trans retinoic acid additively promoted hair growth in vitro by activating certain cell survival pathways and reducing apoptosis markers more effectively than minoxidil alone.
251 citations
,
October 2006 in “Plastic and reconstructive surgery/PSEF CD journals” In this study, platelet plasma growth factors from patients' autologous plasma improved follicular unit yield in baldness surgery by 15.1% compared to control areas.