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PRP療法 男性型・女性型脱毛症(AGA)

A

合計6,423名の参加者を対象とした57件の研究(メタアナリシス13件、RCT 6件を含む)に基づく。57件中51件の研究で肯定的な効果が示されている。

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A

結論

PRP therapy is strongly supported by extensive research as a procedure that may help improve hair density in androgenetic alopecia, with 13 meta-analyses confirming positive effects.

  • 57 studies with 13 meta-analyses — one of the most reviewed procedures for hair loss
  • 89% of studies show positive effects on hair density and growth
  • Multiple protocols show benefit: standalone PRP, PRP + microneedling, and PRP + minoxidil
  • No standardized preparation protocol exists, leading to some variability in outcomes

Key Study Findings

Randomized Controlled Trial n=27 12 weeks Single-blind
Platelet-Rich Plasma Treatment for Endocrine-Induced Alopecia and Persistent Chemotherapy-Induced Alopecia in Breast Cancer Survivors: A …
Dose: Monthly for 3 months vs: Untreated side of scalp (split-scalp) Outcome: Global assessment scale change at week 12 効果: +1.2 GAS; +21 hairs/cm2 treated vs +16 untreated p < 0.001 (GAS); p > 0.05 (bet

対象集団: Breast cancer survivors with EIA or pCIA

Review
Androgenetic Alopecia in Women: A Narrative Review of Pathophysiology, Clinical Evaluation, and Treatments.
Dose: None vs: None Outcome: None 効果: None None

対象集団: women with androgenetic alopecia (female pattern hair loss)

systematic review
Local Injection versus Topical Microneedling of Platelet-Rich Plasma for Androgenetic Alopecia: A Systematic Review.
Dose: Autologous platelet-rich plasma (PRP) via syringe injection or topical application with microneedlin vs: Placebo 効果: PRP combined with microneedling appeared superior to direct syringe injection; based on 3 included a None
RCT n=40 12 weeks Open-label
Phase I Clinical Trial: Evaluating the Efficacy, Safety, and Patient Satisfaction of Platelet-Rich Plasma (PRP) …
Dose: None vs: Placebo 効果: PRP: hair count +62.4%, thickness +58.6%; Microneedling: hair count +88.4%, thickness +51.3% p<0.05 (within groups); p>0.05

Key Statistics

144

研究数

8892

参加者数

Positive

A

グレード

Referenced Papers

Journal of cutaneous … 2025 2 件の引用
Annals of dermatology 2025
International journal of … 2024 39 件の引用
Journal of cosmetic … 2024 12 件の引用
Journal of cosmetic … 2024 11 件の引用
Facial plastic surgery … 2024 8 件の引用
Aesthetic plastic surgery 2024 5 件の引用
Revue medicale suisse 2024 2 件の引用
Clinical, cosmetic and … 2023 58 件の引用
American journal of … 2023 41 件の引用
International journal of … 2023 5 件の引用
Clinics in plastic … 2023 1 件の引用
Drug design, development … 2022 70 件の引用
Faculty reviews 2022 44 件の引用
Dermatology and therapy 2022 43 件の引用
Journal of cosmetic … 2022 35 件の引用
The journal of … 2022 22 件の引用
Dermatologic surgery : … 2022 15 件の引用
Skinmed 2022 3 件の引用
American family physician 2022 2 件の引用
Facial plastic surgery … 2022
Journal of cosmetic … 2021 23 件の引用
Indian dermatology online … 2021 17 件の引用
The Senior care … 2021 2 件の引用
Expert opinion on … 2020 147 件の引用
Facial plastic surgery … 2020 36 件の引用
Indian dermatology online … 2020 33 件の引用
Dermatologic surgery : … 2020 32 件の引用
Journal of drugs … 2020 11 件の引用
Dermatologic surgery : … 2019 68 件の引用
Aesthetic plastic surgery 2019 45 件の引用
Journal of cosmetic … 2019 30 件の引用
Dermatologic therapy 2019 14 件の引用
Indian journal of … 2019 10 件の引用
Dermatologic clinics 2019 7 件の引用
International journal of … 2018 129 件の引用
Journal of the … 2018 114 件の引用
Facial plastic surgery … 2018 43 件の引用
International journal of … 2018 42 件の引用
Facial plastic surgery … 2018 42 件の引用
Dermatology online journal 2018 27 件の引用
Journal of stomatology, … 2017 30 件の引用
Stem cell investigation 2017 27 件の引用
Expert opinion on … 2017 22 件の引用
Dermatologic surgery : … 2016 83 件の引用
Asian journal of … 2015 98 件の引用
International journal of … 2015 79 件の引用
Current opinion in … 2015 21 件の引用
Journal of cutaneous … 2014 168 件の引用
Dermatologic surgery : … 2014 140 件の引用
Expert opinion on … 2014 57 件の引用
Journal of nutrition … 2008 32 件の引用

Dosage & Usage

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

一般的な使用量

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

上限量: Not applicable

研究で検討された用量

用量 期間 効果 N
Monthly for 3 months 12 weeks Neutral 27
None -- Neutral --
Autologous platelet-rich plasma (PRP) via syringe injection or topical application with microneedlin -- Positive --
None -- Positive 11
None -- Positive --
None 12 weeks Positive 40
None -- Positive --
None -- Positive --

推奨摂取タイミング: In-clinic procedure; avoid washing hair for 24 hours after treatment

Safety & Side Effects

報告されている副作用

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

既知の相互作用

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

耐容上限摂取量: Not applicable

サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。

Frequently Asked Questions

Does PRP療法 help with 男性型・女性型脱毛症(AGA)?
Based on 144 studies with 8,892 participants, there is strong evidence from multiple clinical trials that PRP療法 may support 男性型・女性型脱毛症(AGA) management. Our evidence grade is A (Strong Evidence).
How much PRP療法 should I take for 男性型・女性型脱毛症(AGA)?
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療法?
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療法 and 男性型・女性型脱毛症(AGA)?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 144 peer-reviewed studies with 8,892 total participants. The overall direction of effect is positive.

Related Evidence

FDAに関する免責事項: これらの記述は米国食品医薬品局(FDA)による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。