PRP 疗法用于斑秃

基于21项研究（4项荟萃分析、2项RCT），共2,376名参与者。18/21项研究显示积极效果。

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结论

PRP therapy is well-supported by research as a procedure that may help stimulate hair regrowth in alopecia areata, with multiple meta-analyses confirming its potential benefits.

86% of studies (18/21) show positive effects, backed by 4 meta-analyses
Multiple delivery methods studied: injection, microneedling, and laser-assisted
2,376 participants across studies of varying design quality
Results may vary due to the unpredictable nature of autoimmune alopecia areata

Key Study Findings

Review

Androgenetic Alopecia in Women: A Narrative Review of Pathophysiology, Clinical Evaluation, and Treatments.

Dose: None vs: None Outcome: None 效果: None None

研究人群: women with androgenetic alopecia (female pattern hair loss)

Randomized Controlled Trial n=14 26 weeks Double-blind

Randomized Controlled Trial Study to Evaluate the Efficacy of Combination Therapy with Diphenylcyclopropenone and Platelet-Rich …

Dose: Monthly PRP, 3 sessions vs: DPCP + placebo (same patient, other side) Outcome: SALT score 效果: 50% had >50% hair regrowth; no between-group diff None

研究人群: Patients with severe alopecia areata

review

The role of microtrauma in hair regrowth and regeneration in non-scarring alopecia.

Dose: Various microtrauma procedures: microneedling, fractional/non-fractional lasers, contact immunothera vs: Placebo 效果: Positive outcomes reported for hair density and thickness with microneedling, lasers, LLLT, and PRP None

Controlled Clinical Trial n=75 26 weeks

Intralesional Platelet-Rich Plasma Injection in Patients with Recalcitrant Alopecia Areata.

Dose: 3 sessions vs: Intralesional steroid (ILS) injections Outcome: SALT score at 6 months 效果: 83.4% very good response in PRP group p<0.001 for SALT6

研究人群: Patients with recalcitrant alopecia areata

Controlled Clinical Trial

Comparison of Efficacy of Autologous Platelet Rich Plasma Therapy With 5% Topical Minoxidil Spray in …

Dose: PRP vs 5% topical minoxidil vs: 5% topical minoxidil Outcome: Hair regrowth efficacy 效果: None None

研究人群: Patients with alopecia areata

Randomized Controlled Trial n=100 26 weeks Open-label

The Role of 5% Minoxidil <em>versus</em> Platelet-Rich Plasma in Treatment of Alopecia Areata.

Dose: Minoxidil 5% vs PRP vs: Topical minoxidil 5% Outcome: Hair regrowth (SALT score) 效果: None p<0.05

研究人群: Patients with alopecia areata

Key Statistics

研究数量

2500

受试者

↑

Positive

等级

Referenced Papers

Androgenetic Alopecia in Women: A Narrative Review of Pathophysiology, Clinical Evaluation, and Treatments. Review

American journal of … 2026

Randomized Controlled Trial Study to Evaluate the Efficacy of Combination Therapy with Diphenylcyclopropenone and Platelet-Rich Plasmain Alopecia Areaata. Other

International journal of … 2025

The role of microtrauma in hair regrowth and regeneration in non-scarring alopecia. Review

Italian journal of … 2025

Intralesional Platelet-Rich Plasma Injection in Patients with Recalcitrant Alopecia Areata. Other

Sisli Etfal Hastanesi … 2025

Status of research on the development and regeneration of hair follicles. Review

International journal of … 2024 39 次引用

The role of laser and energy-assisted drug delivery in the treatment of alopecia. Review

Lasers in medical … 2024 10 次引用

Can supplementing vitamin B12 improve mental health outcomes?: a literature review. Review

British journal of … 2024 9 次引用

Evaluating Anti-Inflammatory Potential of Platelet-Rich Plasma in Scarring Alopecia: A Systematic Review. Systematic Review

Journal of drugs … 2024 3 次引用

Comparison of Efficacy of Autologous Platelet Rich Plasma Therapy With 5% Topical Minoxidil Spray in Treating Alopecia Areata: A Head-to-Head … Other

Cureus 2024 3 次引用

The Role of 5% Minoxidil <em>versus</em> Platelet-Rich Plasma in Treatment of Alopecia Areata. RCT

Journal of the … 2024 2 次引用

Regenerative medicine in the treatment of specific dermatologic disorders: a systematic review of randomized controlled clinical trials. Systematic Review

Stem cell research … 2024 2 次引用

Platelet-rich plasma efficacy in alopecia areata patients with normal and elevated levels of antibodies against thyroglobulin and thyroid peroxidase. Other

Folia medica 2024 1 次引用

Modified platelet rich plasma therapy for alopecia totalis. Case Report

Journal of cutaneous … 2024

Platelet-rich plasma for the treatment of alopecia: a systematic review and meta-analysis. Meta-Analysis

Blood transfusion = … 2023 27 次引用

Evaluation of the safety and efficacy of platelet-rich plasma in the treatment of female patients with chronic telogen effluvium: A … RCT

Indian journal of … 2023 10 次引用

The Role of One-Carbon Metabolism in Healthy Brain Aging. Review

Nutrients 2023 9 次引用

Vitamin B12 supplementation and health behavior of Austrian vegans: a cross-sectional online survey. Other

Scientific reports 2023 8 次引用

Platelet-rich plasma in the treatment of alopecia areata after COVID-19 vaccination. Case Report

Clinical case reports 2023 8 次引用

Clinical study on the efficacy and tolerability of a topical regenerative treatment in patients with telogen effluvium and mild androgenetic … Other

Journal of cosmetic … 2023 6 次引用

Activated Platelet Rich Plasma versus Non-Activated Platelet Rich Plasma in the Treatment of Alopecia Areata. Other

Skin appendage disorders 2023 3 次引用

Diphenylcyclopropenone and platelet-rich plasma in the management of severe or recalcitrant alopecia areata. RCT

Journal of cosmetic … 2023 3 次引用

Platelet-Rich Plasma in Alopecia areata: A Case Report With a Mini Review of Literature. Case Report

Cureus 2023 3 次引用

Fractional carbon dioxide laser alone and as an assisted drug delivery for treatment of alopecia areata: a clinical, dermoscopic and … Other

Archives of dermatological … 2023 3 次引用

Regenerative medicine strategies for hair growth and regeneration: A narrative review of literature. Review

Regenerative therapy 2022 96 次引用

Platelet Rich Plasma and Its Use in Hair Regrowth: A Review. Review

Drug design, development … 2022 70 次引用

Microneedling and Its Use in Hair Loss Disorders: A Systematic Review. Review

Dermatology and therapy 2022 43 次引用

Advancing Regenerative Cellular Therapies in Non-Scarring Alopecia. Review

Pharmaceutics 2022 36 次引用

Hair Loss and Telogen Effluvium Related to COVID-19: The Potential Implication of Adipose-Derived Mesenchymal Stem Cells and Platelet-Rich Plasma as … Review

International journal of … 2022 30 次引用

Off-label dermatologic uses of IL-17 inhibitors. Review

The Journal of … 2022 28 次引用

Dietary Supplement Use in Middle-aged and Older Adults. Other

The journal of … 2022 22 次引用

Platelet-rich plasma in alopecia areata and primary cicatricial alopecias: A systematic review. Systematic Review

Frontiers in medicine 2022 14 次引用

Platelet-Rich Plasma in Alopecia Areata-A Steroid-Free Treatment Modality: A Systematic Review and Meta-Analysis of Randomized Clinical Trials. Review

Biomedicines 2022 11 次引用

Platelet-Rich Plasma Treatment for Accelerated Androgenetic Alopecia Pattern Hair Loss After COVID-19 Infection: A Case Series. Other

Journal of cosmetic … 2022 7 次引用

Transepidermal Delivery of Triamcinolone Acetonide or Platelet Rich Plasma Using Either Fractional Carbon Dioxide Laser or Micro-needling in Treatment of … Other

Dermatology practical & … 2022 7 次引用

Reversible Hair Loss in Lichen Planopilaris: Regrowth With Low-Dose Naltrexone and Platelet-Rich Plasma. Case Report

Journal of drugs … 2022 6 次引用

Dupilumab for alopecia areata treatment: A double-edged sword? Case Report

Journal of cosmetic … 2022 5 次引用

Comparative Study Between Intralesional Injection Of Platelet Rich Plasma And Intra Lesional Triamcinolone For The Treatment Of Alopecia Areata. RCT

Journal of Ayub … 2022 4 次引用

Alopecia Areata Treated with Advanced Platelet-rich Fibrin Using Micronization. Case Report

Plastic and reconstructive … 2022 4 次引用

Regenerative therapies in alopecia areata. Other

Journal of cosmetic … 2022 1 次引用

Platelet Rich Plasma for the Treatment of Scarring Alopecia Due to Discoid Lupus Erythematosus. Other

Journal of drugs … 2022 1 次引用

Clinical response to adjunctive platelet-rich plasma injections in a patient with alopecia universalis on oral tofacitinib. Case Report

JAAD case reports 2022 1 次引用

Treatment options for androgenetic alopecia: Efficacy, side effects, compliance, financial considerations, and ethics. Review

Journal of cosmetic … 2021 315 次引用

Alopecia Areata: an Update on Etiopathogenesis, Diagnosis, and Management. Review

Clinical reviews in … 2021 304 次引用

Alopecia areata: a review on diagnosis, immunological etiopathogenesis and treatment options. Review

Clinical and experimental … 2021 130 次引用

Systematic review of platelet-rich plasma in treating alopecia: Focusing on efficacy, safety, and therapeutic durability. Systematic Review

Dermatologic therapy 2021 52 次引用

Alopecia Areata: New Treatment Options Including Janus Kinase Inhibitors. Review

Dermatologic clinics 2021 22 次引用

Trichoscopy as an evaluation method for alopecia areata treatment: A comparative study. Other

Journal of cosmetic … 2021 16 次引用

Evaluation of platelet-rich plasma on hair regrowth and lesional T-cell cytokine expression in alopecia areata: A randomized observer-blinded, placebo-controlled, split-head … RCT

Journal of the … 2021 14 次引用

Platelet-rich Plasma and Cell Therapy: The New Horizon in Hair Loss Treatment. Review

Dermatologic clinics 2021 10 次引用

Platelet Rich Plasma Hybridized Adipose Transplant (PHAT) for the Treatment of Hair Loss: A Case Series. Review

Aesthetic plastic surgery 2021 8 次引用

Online Promotion of "Brain Health" Supplements. Other

The Senior care … 2021 2 次引用

Progress in the Use of Platelet-rich Plasma in Aesthetic and Medical Dermatology. Review

The Journal of … 2020 37 次引用

Platelet-Rich Plasma in the Treatment of Alopecia Areata: A Review. Review

The journal of … 2020 33 次引用

New and Emerging Therapies for Alopecia Areata. Review

Drugs 2020 33 次引用

Harnessing the Power of Regenerative Therapy for Vitiligo and Alopecia Areata. Review

The Journal of … 2020 33 次引用

Platelet-Rich Plasma and Its Utilities in Alopecia: A Systematic Review. Systematic Review

Dermatologic surgery : … 2020 32 次引用

State of the art review: oral and nasal vitamin B12 therapy in the elderly. Review

QJM : monthly … 2020 28 次引用

Efficacy of Postbiotics in a PRP-Like Cosmetic Product for the Treatment of Alopecia Area Celsi: A Randomized Double-Blinded Parallel-Group Study. Other

Dermatology and therapy 2020 26 次引用

Platelet-Rich Plasma and its Use for Cicatricial and Non-Cicatricial Alopecias: A Narrative Review. Review

Dermatology and therapy 2020 24 次引用

Platelet-rich plasma in alopecia areata: intradermal injection versus topical application with transepidermal delivery via either fractional carbon dioxide laser or … RCT

Acta dermatovenerologica Alpina, … 2020 24 次引用

A Comparative Study of Therapeutic Response to Intralesional Injections of Platelet-Rich Plasma Versus Triamcinolone Acetonide in Alopecia Areata. Other

Indian dermatology online … 2020 21 次引用

Comparative Evaluation of Therapeutic Efficacy of Intralesional Injection of Triamcinolone Acetonide versus Intralesional Autologous Platelet-rich Plasma Injection in Alopecia Areata. Other

Journal of cutaneous … 2020 21 次引用

A randomized, placebo and active controlled, split scalp study to evaluate the efficacy of platelet-rich plasma in patchy alopecia areata … RCT

Dermatologic therapy 2020 18 次引用

Platelet-Rich Plasma and Stem Cells for Hair Growth: A Review of the Literature. Review

Aesthetic surgery journal 2020 13 次引用

Successful Treatment of Alopecia Areata Barbae with Platelet-rich Plasma. Case Report

Cureus 2020 11 次引用

The Utility of Platelet-Rich Plasma for the Treatment of Alopecia. Systematic Review

Journal of drugs … 2020 11 次引用

Adverse effects of platelet-rich plasma and microneedling. Other

Journal of the … 2020 10 次引用

Incipient Diabetes Mellitus and Nascent Thyroid Disease Presenting as Beard Alopecia Areata: Case Report and Treatment Review of Alopecia Areata … Case Report

Cureus 2020 7 次引用

Monitoring Response to Platelet-Rich Plasma in Patients with Alopecia Areata with Optical Coherence Tomography: A Case Series. Case Report

The journal of … 2020 5 次引用

Expression of CD117 and platelet-derived growth factor receptor α in patients with alopecia areata. Other

Indian journal of … 2020

The Efficacy of Platelet-Rich Plasma in the Field of Hair Restoration and Facial Aesthetics-A Systematic Review and Meta-analysis. Meta-Analysis

Journal of cutaneous … 2019 50 次引用

Evaluation of platelet-rich plasma vs intralesional steroid in treatment of alopecia areata. Other

Journal of cosmetic … 2019 35 次引用

Serum sickness disease in a patient with alopecia areata and Meniere' disease after PRP procedure. Case Report

Dermatologic therapy 2019 17 次引用

The effect of platelet rich plasma on hair regrowth in patients with alopecia areata totalis: A clinical pilot study. Other

Dermatologic therapy 2019 16 次引用

Randomized controlled trial on a PRP-like cosmetic, biomimetic peptides based, for the treatment of alopecia areata. RCT

The Journal of … 2019 16 次引用

Platelet rich plasma for the management of hair loss: Better alone or in combination? Other

Journal of cosmetic … 2019 13 次引用

What's New in Hair Loss. Review

Dermatologic clinics 2019 7 次引用

Emerging Nonsteroid-Based Procedural Therapies for Alopecia Areata: A Systematic Review. Systematic Review

Dermatologic surgery : … 2019 5 次引用

Steroid-resistant alopecia totalis in a child successfully treated with oral apremilast and platelet-rich plasma therapy. Case Report

Dermatologic therapy 2019 5 次引用

Microneedling for the treatment of hair loss? Review

Journal of the … 2018 114 次引用

Platelet-Rich Plasma for Hair Loss: Review of Methods and Results. Review

Facial plastic surgery … 2018 43 次引用

An Overview of the Biology of Platelet-Rich Plasma and Microneedling as Potential Treatments for Alopecia Areata. Review

The journal of … 2018 25 次引用

[Not Available]. Review

Dermatology online journal 2018

Platelets rich plasma versus minoxidil 5% in treatment of alopecia areata: A trichoscopic evaluation. RCT

Dermatologic therapy 2017 107 次引用

Platelet rich plasma for treatment of non-scarring hair loss: systematic review of literature. Systematic Review

The Journal of … 2017 34 次引用

Treating Alopecia Areata: Current Practices Versus New Directions. Review

American journal of … 2017 32 次引用

WITHDRAWN: An Overview of the Biology of Platelet-Rich Plasma and Microneedling as Potential Treatments for Alopecia Areata. Review

The Journal of … 2017 1 次引用

Is platelet-rich plasma effective in the treatment of alopecia areata? Other

Dermatologic therapy 2016 3 次引用

Platelet-rich Plasma as a Potential Treatment for Noncicatricial Alopecias. Review

International journal of … 2015 79 次引用

Role of platelet-rich plasma in chronic alopecia areata: Our centre experience. Other

Indian journal of … 2015 74 次引用

Successful treatment of corticosteroid-resistant ophiasis-type alopecia areata (AA) with platelet-rich plasma (PRP). Case Report

JAAD case reports 2015 40 次引用

Emerging treatments in alopecia. Review

Expert opinion on … 2014 57 次引用

A randomized, double-blind, placebo- and active-controlled, half-head study to evaluate the effects of platelet-rich plasma on alopecia areata. RCT

The British journal … 2013 279 次引用

Vitamin and mineral supplements: barriers and challenges for older adults. Review

Journal of nutrition … 2008 32 次引用

Review of interventions for the prevention and control of folate and vitamin B12 deficiencies. Review

Food and nutrition … 2008 27 次引用

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

常用剂量

hairloss:: 3-4 sessions, 4-6 weeks apart

上限： Not applicable

研究中使用的剂量

剂量	持续时间	效果	N
None	--	Neutral	--
Monthly PRP, 3 sessions	26 weeks	Neutral	14
Various microtrauma procedures: microneedling, fractional/non-fractional lasers, contact immunothera	--	Positive	--
3 sessions	26 weeks	Positive	75
PRP vs 5% topical minoxidil	--	Positive	--
Minoxidil 5% vs PRP	26 weeks	Positive	100
Various regenerative methods	--	Positive	--
PRP + intralesional triamcinolone acetonide	--	Positive	1

最佳服用时间： In-clinic procedure; avoid washing hair for 24 hours after treatment

Safety & Side Effects

已报告的副作用

⚠ Injection site pain and tenderness
⚠ Scalp swelling and redness (1-2 days)
⚠ Headache following treatment
⚠ Rare: infection at injection site

已知相互作用

● NSAIDs and aspirin (discontinue 1 week before PRP; affect platelet function)
● Anticoagulants (may increase bruising; consult physician)
● Corticosteroid injections (may reduce PRP effectiveness)

可耐受最高摄入量： Not applicable

在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。

Frequently Asked Questions

Does PRP 疗法 help with 斑秃?

Based on 89 studies with 2,500 participants, there is strong evidence from multiple clinical trials that PRP 疗法 may support 斑秃 management. Our evidence grade is A (Strong Evidence).

How much PRP 疗法 should I take for 斑秃?

Studies have used various dosages. A commonly studied range is 3-4 sessions, 4-6 weeks apart. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of PRP 疗法?

Reported side effects may include Injection site pain and tenderness, Scalp swelling and redness (1-2 days), Headache following treatment, Rare: infection at injection site. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for PRP 疗法 and 斑秃?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 89 peer-reviewed studies with 2,500 total participants. The overall direction of effect is positive.

Related Evidence

其他成分用于斑秃

米诺地尔（Minoxidil） A 维生素 D A 微针疗法 A 黑种草油 A 人参 C 锌 F

PRP 疗法用于其他健康状况

雄激素性脱发 A

快速结论

基于21项研究（4项荟萃分析、2项RCT），共2,376名参与者。18/21项研究显示积极效果。

Evidence Strength92%

High confidence

研究分析

RCT (10)Meta (2)Other (77)

对比替代方案

查看其他成分针对该健康状况的对比结果。

查看所有成分用于斑秃

了解更多

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