ミノキシジル：円形脱毛症

合計21,842名の参加者を対象とした48件の研究（メタアナリシス2件、RCT 1件を含む）に基づく。48件中37件の研究で肯定的な効果が示されている。

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結論

Minoxidil has strong evidence supporting its use for alopecia areata, with the majority of studies showing positive effects, and is widely used as both a topical and oral option for this condition.

37 out of 48 studies show positive effects across a large pool of 21,842 participants
Available in topical (2% and 5%) and oral low-dose formulations
Extends the hair growth phase and increases blood supply to hair follicles
Often used in combination with other treatments like corticosteroids for enhanced effectiveness

Key Study Findings

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)

Case Reports n=1

Significant improvement with ivarmacitinib after suboptimal response to tofacitinib in severe alopecia areata: a case …

Dose: None vs: None Outcome: hair regrowth in severe alopecia areata 効果: None None

対象集団: patient with severe alopecia areata with suboptimal response to tofacitinib

review

Oral Minoxidil for Alopecia Treatment: Risks, Benefits, and Recommendations.

Dose: Oral minoxidil: women 1.25 mg/day starting dose (range 0.625-5 mg/day); men 2.5 mg/day (range 1.25-5 vs: Placebo 効果: Comparable efficacy to topical minoxidil; hypertrichosis 24%, shedding 16-22%, peripheral edema 2% None

Review

Alopecia Areata: Understanding the Pathophysiology and Advancements in Treatment Modalities.

Dose: None vs: None Outcome: None 効果: None None

対象集団: None

review

The Use of Light-Based Therapies in the Treatment of Alopecia.

Dose: Low-level light therapy (LLLT) various devices and wavelengths; combined with minoxidil or finasteri vs: Placebo 効果: LLLT improves hair density in AGA; potential to prolong anagen phase in telogen effluvium; may promo None

retrospective cohort study n=321

Asynchronous Teledermatology for Non-Scarring Alopecia: A Retrospective Study.

Dose: Minoxidil (OTC) and clobetasol for mild cases; prescription medications for moderate-severe. Specifi vs: Placebo 効果: 91.3% received definitive remote diagnosis; only 8.7% required in-person follow-up. AA most common ( None

Key Statistics

122

研究数

27416

参加者数

↑

Positive

グレード

Referenced Papers

Oral Minoxidil for Alopecia Treatment: Risks, Benefits, and Recommendations. Review

American journal of … 2026 1 件の引用

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

American journal of … 2026

Significant improvement with ivarmacitinib after suboptimal response to tofacitinib in severe alopecia areata: a case report and literature review. Case Report

Frontiers in immunology 2026

Combined Low Dose Oral Minoxidil and Immunomodulator Efficacy and Safety in Alopecia Areata: A Systematic Review. Other

International journal of … 2026

Efficacy, safety and tolerability of drugs for alopecia: a comprehensive review. Review

Expert opinion on … 2025 11 件の引用

Alopecia Areata: Understanding the Pathophysiology and Advancements in Treatment Modalities. Review

Cureus 2025 8 件の引用

A Scoping Review of Exosome Delivery Applications in Hair Loss. Review

Cureus 2025 7 件の引用

Innovation in Alopecia Areata. Review

Dermatologic clinics 2025 5 件の引用

Systemic Therapies for Pediatric Alopecia Areata. Review

Pediatric dermatology 2025 5 件の引用

Baricitinib and oral minoxidil for the treatment of alopecia areata in pediatric patients. Other

Journal of the … 2025 2 件の引用

A Novel Topical Compound Gel Loading Minoxidil and Tofacitinib for Treatment of Alopecia Areata: Formulation, Characterization, and In Vitro/In Vivo … Other

Drug development research 2025 2 件の引用

Oral minoxidil treatment of alopecia areata. Other

Journal of the … 2025 2 件の引用

Technological Advances in Anti-hair Loss and Hair Regrowth Cosmeceuticals: Mechanistic Breakthroughs and Industrial Prospects Driven by Multidisciplinary Collaborative Innovation. Review

Aesthetic plastic surgery 2025 2 件の引用

Research progress in the treatment of non-scarring alopecia: mechanism and treatment. Review

Frontiers in pharmacology 2025 2 件の引用

Combination oral minoxidil and baricitinib treatment of alopecia areata. Other

Journal of the … 2025 1 件の引用

Comparison of Safety and Efficacy of Topical Mometasone 0.1% Ointment, Calcipotriol 0.005% Ointment, and Tacrolimus 0.1% Ointment in Patients with … Other

Indian dermatology online … 2025 1 件の引用

Alopecia Treatments in Breastfeeding: Safety and Clinical Considerations. Review

International journal of … 2025 1 件の引用

Frontal Fibrosing Alopecia in Men: A Review of the Literature. Review

Journal of clinical … 2025 1 件の引用

Fractional CO2 Laser and Minoxidil in the Treatment of Alopecia Areata, A Comparative Study. RCT

Lasers in surgery … 2025 1 件の引用

Plica Neuropathica (Polonica) Secondary to Diffuse Alopecia: A Case Report and Literature Review. Case Report

Cureus 2025

The Use of Light-Based Therapies in the Treatment of Alopecia. Review

Journal of cosmetic … 2025

Combination of oral minoxidil and baricitinib for alopecia areata: A retrospective study of 77 patients. Other

Journal of the … 2025

Key considerations of injectable minoxidil for alopecia. Review

Archives of dermatological … 2025

Asynchronous Teledermatology for Non-Scarring Alopecia: A Retrospective Study. Other

Telemedicine reports 2025

Addressing the Root Causes of Female Hair Loss and Non-Pharmaceutical Interventions. Review

Journal of drugs … 2025

European expert consensus statement on the systemic treatment of alopecia areata. Review

Journal of the … 2024 85 件の引用

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

International journal of … 2024 39 件の引用

Efficacy and Safety of Laser Therapy and Phototherapy in Cicatricial and NonCicatricial Alopecia: A Systematic Review Study. Review

Health science reports 2024 14 件の引用

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

Lasers in medical … 2024 10 件の引用

Treatment Options for Alopecia Areata in Children and Adolescents. Review

Paediatric drugs 2024 10 件の引用

The Role of Minoxidil in Treatment of Alopecia Areata: A Systematic Review and Meta-Analysis. Review

Journal of clinical … 2024 9 件の引用

Hair Loss: Diagnosis and Treatment. Review

American family physician 2024 8 件の引用

Applications and efficacy of minoxidil in dermatology. Review

Skin health and … 2024 7 件の引用

The use of minoxidil in the treatment of alopecia areata: A systematic review. Systematic Review

Journal of the … 2024 7 件の引用

Advances in Topical Therapies for Clinically Relevant and Prevalent Forms of Alopecia. Review

Life (Basel, Switzerland) 2024 4 件の引用

Effect of minoxidil combined with triamcinolone acetonide on alopecia areata by microneedle injection. Other

Skin research and … 2024 3 件の引用

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 件の引用

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

Journal of the … 2024 2 件の引用

Cosmetic filler-induced hair loss: case series and literature review. Case Report

The Journal of … 2024 2 件の引用

Comparison of Efficacy of Topical Betamethasone Dipropionate and Topical Minoxidil in Patients With Alopecia Areata. Other

Cureus 2024 2 件の引用

Efficacy and safety of compound glycyrrhizin combined with topical minoxidil for alopecia areata: a systematic review and meta-analysis of randomized … Meta-Analysis

The Journal of … 2024

Oral minoxidil use in androgenetic alopecia and telogen effluvium. Other

Archives of dermatological … 2023 16 件の引用

Follicle-Targeted Delivery of Betamethasone and Minoxidil Co-Entrapped in Polymeric and Lipid Nanoparticles for Topical Alopecia Areata Treatment. Other

Pharmaceuticals (Basel, Switzerland) 2023 15 件の引用

Laser and light therapy combined with topical minoxidil for alopecia areata: a systematic review and meta-analysis of randomized controlled trials. Meta-Analysis

Lasers in medical … 2023 9 件の引用

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

Scientific reports 2023 8 件の引用

Scalp Microinfusion: A Novel Drug Delivery Technique for Hair Loss Treatment. Other

Skin appendage disorders 2023 7 件の引用

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 件の引用

Oral supplementation in female telogen effluvium: a clinical and instrumental objective evidence of efficacy and tolerability of new oral cosmetic … Other

Italian journal of … 2023 3 件の引用

Characteristics of hair loss in COVID-19 patients in Thailand. Other

Medicine 2023 3 件の引用

Hair loss after drug reaction with eosinophilia and systemic symptoms (DRESS): A multicentric retrospective case series. Other

The Journal of … 2023 3 件の引用

Effect of fractional laser alone or in combination on alopecia areata: A systematic review and meta-analysis. Meta-Analysis

Journal of cosmetic … 2023 3 件の引用

Treatments for alopecia areata: a network meta-analysis. Meta-Analysis

The Cochrane database … 2023 2 件の引用

Epidemiologic Study of Gene Distribution in Romanian and Brazilian Patients with Non-Cicatricial Alopecia. Other

Medicina (Kaunas, Lithuania) 2023 2 件の引用

Minoxidil: a comprehensive review. Review

The Journal of … 2022 170 件の引用

Treatment of pediatric alopecia areata: A systematic review. Systematic Review

Journal of the … 2022 90 件の引用

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

Dermatology and therapy 2022 43 件の引用

Advancing Regenerative Cellular Therapies in Non-Scarring Alopecia. Review

Pharmaceutics 2022 36 件の引用

The physiological and pharmacological roles of prostaglandins in hair growth. Review

The Korean journal … 2022 19 件の引用

Low-dose oral minoxidil for treatment of androgenetic alopecia and telogen effluvium in a pediatric population: A descriptive study. Other

Journal of the … 2022 17 件の引用

Management of hair loss after severe acute respiratory syndrome coronavirus 2 infection: Insight into the pathophysiology with implication for better … Review

The Journal of … 2022 16 件の引用

Efficacy of intradermal minoxidil 5% injections for treatment of patchy non-severe alopecia areata. RCT

The Journal of … 2022 9 件の引用

Oral Minoxidil for Chemotherapy-Induced Alopecia. Case Report

Skin appendage disorders 2022 7 件の引用

Comparative study between topical methotrexate 1% gel and minoxidil 5% gel in the treatment of localized alopecia areata. RCT

Dermatologic therapy 2022 7 件の引用

Valproate-associated hair abnormalities: Pathophysiology and management strategies. Review

Human psychopharmacology 2022 7 件の引用

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

Journal of drugs … 2022 6 件の引用

Sisaipho alopecia areata treated with tofacitinib and oral minoxidil. Case Report

JAAD case reports 2022 2 件の引用

Rare Concurrence of Alopecia Areata in the Setting of the Lipedematous Scalp. Case Report

The American Journal … 2022 2 件の引用

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

Journal of cosmetic … 2021 315 件の引用

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

Clinical reviews in … 2021 304 件の引用

Oral minoxidil treatment for hair loss: A review of efficacy and safety. Review

Journal of the … 2021 203 件の引用

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

Clinical and experimental … 2021 130 件の引用

Combination tofacitinib and oral minoxidil treatment for severe alopecia areata. Other

Journal of the … 2021 63 件の引用

Review of oral minoxidil as treatment of hair disorders: in search of the perfect dose. Review

Journal of the … 2021 53 件の引用

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

Dermatologic therapy 2021 52 件の引用

Telogen Effluvium - a review of the science and current obstacles. Review

Journal of dermatological … 2021 51 件の引用

Treatments for alopecia areata: A systematic review and network meta-analysis. Meta-Analysis

Dermatologic therapy 2021 30 件の引用

Female Androgenetic Alopecia: An Update on Diagnosis and Management. Review

American journal of … 2020 127 件の引用

Low-dose oral minoxidil as treatment for non-scarring alopecia: a systematic review. Systematic Review

International journal of … 2020 58 件の引用

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

The Journal of … 2020 33 件の引用

Childhood Alopecia Areata: An Overview of Treatment and Recent Patents. Review

Recent patents on … 2020 5 件の引用

Current Treatment of Alopecia Areata. Other

The journal of … 2020 3 件の引用

Treatment of alopecia areata: An Australian expert consensus statement. Other

The Australasian journal … 2019 152 件の引用

Off-Label Use of Topical Minoxidil in Alopecia: A Review. Review

American journal of … 2019 84 件の引用

Minoxidil for patchy alopecia areata: systematic review and meta-analysis. Meta-Analysis

Journal of the … 2019 50 件の引用

New drugs under investigation for the treatment of alopecias. Review

Expert opinion on … 2019 34 件の引用

The rise of transcutaneous drug delivery for the management of alopecia: a review of existing literature and an eye towards … Review

Journal of cosmetic … 2019 14 件の引用

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

Journal of cosmetic … 2019 13 件の引用

Alopecia and Hair Damage Induced by Oncological Therapy. Review

Klinicka onkologie : … 2019 11 件の引用

The Efficacy of Topical Minoxidil for Non-Scarring Alopecia: A Systematic Review. Systematic Review

Journal of drugs … 2019

Microneedling for the treatment of hair loss? Review

Journal of the … 2018 114 件の引用

Alopecia areata: An appraisal of new treatment approaches and overview of current therapies. Review

Journal of the … 2018 114 件の引用

Hair-Growth Potential of Ginseng and Its Major Metabolites: A Review on Its Molecular Mechanisms. Review

International journal of … 2018 93 件の引用

Proprietary Herbal Extract Downregulates the Gene Expression of IL-1α in HaCaT Cells: Possible Implications Against Nonscarring Alopecia. Other

Medical archives (Sarajevo, … 2018 16 件の引用

Use of low-level laser therapy in treatment of the androgenic alopecia, the first systematic review. Systematic Review

Journal of cosmetic … 2018 13 件の引用

[Not Available]. Review

Dermatology online journal 2018

Hair Loss: Common Causes and Treatment. Other

American family physician 2017 141 件の引用

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

Dermatologic therapy 2017 107 件の引用

Efficacy of fractional lasers in treating alopecia: a literature review. Review

Lasers in medical … 2017 43 件の引用

Treating Alopecia Areata: Current Practices Versus New Directions. Review

American journal of … 2017 32 件の引用

New Treatments for Hair Loss. Review

Actas dermo-sifiliograficas 2017 17 件の引用

The Diagnosis and Treatment of Hair and Scalp Diseases. Review

Deutsches Arzteblatt international 2016 99 件の引用

Alopecia Areata-Part III: Prognosis and Treatment. Review

Skinmed 2016 2 件の引用

Alopecia areata. Review

Current problems in … 2015 322 件の引用

Selected Disorders of Skin Appendages--Acne, Alopecia, Hyperhidrosis. Review

The Medical clinics … 2015 66 件の引用

Alopecia areata: Part 2: treatment. Review

Canadian family physician … 2015 31 件の引用

Female pattern alopecia and telogen effluvium: figuring out diffuse alopecia. Other

Seminars in cutaneous … 2015 27 件の引用

Current Treatments for Alopecia Areata. Review

The journal of … 2015 25 件の引用

Hair loss in children. Review

Current problems in … 2015 18 件の引用

[Drug treatment of alopecia]. Other

Der Internist 2015

Low-level laser (light) therapy (LLLT) for treatment of hair loss. Review

Lasers in surgery … 2014 243 件の引用

Alopecia areata: an evidence-based treatment update. Review

American journal of … 2014 82 件の引用

Emerging treatments in alopecia. Review

Expert opinion on … 2014 57 件の引用

Telogen effluvium revisited. Review

Giornale italiano di … 2014 18 件の引用

Treatment for alopecia. Review

Giornale italiano di … 2014

Female pattern hair loss. Review

International journal of … 2013 61 件の引用

Alopecia areata. Review

Recent patents on … 2011 6 件の引用

Alopecia areata: evidence-based treatments. Review

Seminars in cutaneous … 2009 85 件の引用

Diagnosing and treating hair loss. Review

American family physician 2009

Interventions for alopecia areata. Meta-Analysis

The Cochrane database … 2008 222 件の引用

Adolescent hair loss. Review

Current opinion in … 2008 31 件の引用

Alopecia areata. Review

International journal of … 2007 185 件の引用

Alopecia areata. Case Report

Dermatology nursing 2007

Alopecia areata masquerading as frontal fibrosing alopecia. Case Report

The Australasian journal … 2006

Congenital alopecia areata. Case Report

Journal of the … 2005 44 件の引用

Alopecia areata: what to expect from current treatments. Case Report

Cleveland Clinic journal … 2005

[Hair loss]. Other

Praxis 2003 28 件の引用

Alopecia in women. Review

American family physician 2003 2 件の引用

Common hair loss disorders. Review

American family physician 2003

Treatments for androgenetic alopecia and alopecia areata: current options and future prospects. Review

Drugs 2001 48 件の引用

Alopecia areata. Pathogenesis, diagnosis, and therapy. Review

American journal of … 2000 28 件の引用

Therapeutic approaches to the management of common baldness. Review

International journal of … 1999 16 件の引用

Hair regrowth. Therapeutic agents. Review

Dermatologic clinics 1998 121 件の引用

Topical minoxidil in alopecia areata: no effect on the perifollicular lymphoid infiltration. RCT

The Journal of … 1992

Systemic steroids with or without 2% topical minoxidil in the treatment of alopecia areata. RCT

Archives of dermatology 1992

Alopecia areata. Review

American family physician 1990

Topical minoxidil. A preliminary review of its pharmacodynamic properties and therapeutic efficacy in alopecia areata and alopecia androgenetica. Review

Drugs 1987 11 件の引用

Minoxidil. Review

Dermatologic clinics 1987

Alopecia areata: pathogenesis and treatment. Other

Journal of the … 1984 122 件の引用

Topical minoxidil for hair regrowth. CCT

Journal of the … 1984

Alopecia areata treated with topical minoxidil. Other

Archives of dermatology 1984

Dosage & Usage

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

一般的な使用量

topical:: 2-5% solution, twice daily

上限量： 5% topical solution

研究で検討された用量

用量	期間	効果	N
None	--	Neutral	--
None	--	Positive	1
Oral minoxidil: women 1.25 mg/day starting dose (range 0.625-5 mg/day); men 2.5 mg/day (range 1.25-5	--	Positive	--
None	--	Mixed	--
Low-level light therapy (LLLT) various devices and wavelengths; combined with minoxidil or finasteri	--	Positive	--
Minoxidil (OTC) and clobetasol for mild cases; prescription medications for moderate-severe. Specifi	--	Positive	321
None	--	Mixed	--
None	--	Mixed	1

推奨摂取タイミング： Apply to dry scalp morning and evening, at least 4 hours before bed

Safety & Side Effects

報告されている副作用

⚠ Scalp irritation and dryness
⚠ Initial shedding phase (first 2-8 weeks)
⚠ Unwanted facial hair growth (especially in women)
⚠ Dizziness or lightheadedness (rare with topical use)
⚠ Heart palpitations (rare, more common with oral form)

既知の相互作用

● Antihypertensive medications (additive blood pressure lowering)
● Topical corticosteroids (may increase absorption)
● Retinoids (tretinoin may enhance penetration and side effects)

耐容上限摂取量： 5% topical solution

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 ミノキシジル help with 円形脱毛症?

Based on 122 studies with 27,416 participants, there is strong evidence from multiple clinical trials that ミノキシジル may support 円形脱毛症 management. Our evidence grade is A (Strong Evidence).

How much ミノキシジル should I take for 円形脱毛症?

Studies have used various dosages. A commonly studied range is 2-5% solution, twice daily. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of ミノキシジル?

Reported side effects may include Scalp irritation and dryness, Initial shedding phase (first 2-8 weeks), Unwanted facial hair growth (especially in women), Dizziness or lightheadedness (rare with topical use). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for ミノキシジル and 円形脱毛症?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 122 peer-reviewed studies with 27,416 total participants. The overall direction of effect is positive.

Related Evidence

に関する他の成分：円形脱毛症

ビタミンD A PRP療法 A マイクロニードリング A ブラックシードオイル A 高麗人参 C 亜鉛 F

ミノキシジル他の症状・状態について

男性型・女性型脱毛症（AGA） A 女性型脱毛症 A 休止期脱毛症 A

総合評価

合計21,842名の参加者を対象とした48件の研究（メタアナリシス2件、RCT 1件を含む）に基づく。48件中37件の研究で肯定的な効果が示されている。

Evidence Strength92%

High confidence

研究の内訳

RCT (7)Meta (7)Other (108)

代替成分との比較

この症状に対する他の成分との比較をご覧ください。

に関するすべての成分を見る：円形脱毛症

詳しく見る

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。

ミノキシジル ： 円形脱毛症

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結論

Key Study Findings

Key Statistics

Referenced Papers

Dosage & Usage

一般的な使用量

研究で検討された用量

Safety & Side Effects

報告されている副作用

既知の相互作用

Frequently Asked Questions

Related Evidence

に関する他の成分： 円形脱毛症

ミノキシジル 他の症状・状態について

ミノキシジル：円形脱毛症

に関する他の成分：円形脱毛症

ミノキシジル他の症状・状態について