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度他雄胺(Dutasteride) 用于 雄激素性脱发

A

基于43项研究(7项荟萃分析、1项RCT),共12,060名参与者。34/43项研究显示积极效果。

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A

结论

Dutasteride has strong scientific support for androgenetic alopecia and research suggests it may be more effective than finasteride, though it should be used under medical supervision due to potential side effects.

  • 34 out of 43 studies show positive effects across 12,060 participants
  • Multiple meta-analyses consistently support dutasteride's effectiveness for pattern hair loss
  • Blocks both type I and type II 5-alpha reductase enzymes, potentially offering broader DHT reduction than finasteride
  • Available in both oral and topical formulations, with topical forms being actively researched

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=139 24 weeks Double-blind
Efficacy and Safety of Low-Dose (0.2 mg) Dutasteride for Male Androgenic Alopecia: A Multicenter, Randomized, …
Dose: 0.2 mg dutasteride daily vs: Placebo; 0.5 mg dutasteride daily Outcome: Change in hair count at vertex from baseline 效果: 21.53 vs 5.96 hair count increase 0.0072

研究人群: Men with androgenetic alopecia

Controlled Clinical Trial n=8 12 weeks Single-blind
Dutasteride Infusion in Male Androgenetic Alopecia Using a Novel Drug Delivery Technique: MMP®.
Dose: 3 sessions of dutasteride microinfusion (monthly) vs: Saline solution placebo via MMP Outcome: Clinical assessment and patient self-assessment 效果: None None

研究人群: Adult males with androgenetic alopecia

Other n=20 8 weeks Open-label
Efficacy of Skin Patting and Iontophoresis with Dutasteride Gel in Male and Menopausal Female Androgenetic …
Dose: 4 monthly sessions of SPi + iontophoresis vs: Baseline (pre-post design, no control) Outcome: Hair density, shaft diameter, pull test at 8 … 效果: None <0.001 (density, diam, pull)

研究人群: 10 males + 10 postmenopausal females with resistant AGA

Review
Efficacy and safety of dutasteride in the treatment of alopecia: a comprehensive review.
Dose: Dutasteride (oral, various doses) vs: Placebo 效果: None None
Review
Male and female pattern hair loss.
Dose: None vs: Placebo 效果: None None

Key Statistics

99

研究数量

19921

受试者

Positive

A

等级

Referenced Papers

Journal of cosmetic … 2025 3 次引用
Australian prescriber 2025 2 次引用
Journal of clinical … 2025 1 次引用
Annals of dermatology 2025
Dermatology (Basel, Switzerland) 2024 14 次引用
Journal of cosmetic … 2024 11 次引用
Facial plastic surgery … 2024 8 次引用
American journal of … 2023 41 次引用
Dermatology and therapy 2023 23 次引用
Fertility and sterility 2020 94 次引用
Neurobiology of stress 2020 72 次引用
Facial plastic surgery … 2020 15 次引用
Alternative therapies in … 2020 11 次引用
Yonsei medical journal 2020 4 次引用
Archivos espanoles de … 2020 1 次引用
The aging male … 2019 19 次引用
Assay and drug … 2019 19 次引用
Expert opinion on … 2018 38 次引用
Current clinical pharmacology 2017 62 次引用
International journal of … 2017 45 次引用
Actas dermo-sifiliograficas 2017 17 次引用
The Cochrane database … 2016 18 次引用
Indian journal of … 2016 8 次引用
Current problems in … 2015 8 次引用
Expert opinion on … 2014 57 次引用
Current opinion in … 2014 43 次引用
Dermatologic clinics 2013 78 次引用
Journal of cosmetic … 2013 62 次引用
Sexual medicine reviews 2013 58 次引用
Facial plastic surgery … 2013 16 次引用
International journal of … 2013
Expert opinion on … 2010 264 次引用
Current opinion in … 2009 54 次引用
Seminars in cutaneous … 2009 4 次引用

Dosage & Usage

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

常用剂量

hairloss:
0.5 mg/day (off-label)

上限: 0.5 mg/day

研究中使用的剂量

剂量 持续时间 效果 N
None -- Neutral --
0.2 mg dutasteride daily 24 weeks Positive 139
3 sessions of dutasteride microinfusion (monthly) 12 weeks Positive 8
4 monthly sessions of SPi + iontophoresis 8 weeks Positive 20
Dutasteride (oral, various doses) -- Positive --
None -- Positive --
None -- Positive --
None -- Positive --

最佳服用时间: Once daily at the same time, with or without food; prescription required

Safety & Side Effects

已报告的副作用

  • Decreased libido (more common than finasteride)
  • Erectile dysfunction
  • Ejaculation disorders
  • Gynecomastia (breast tissue growth)
  • Very long half-life (~5 weeks) means slow side effect resolution

已知相互作用

  • CYP3A4 inhibitors (ketoconazole, ritonavir) may increase dutasteride levels
  • May affect PSA levels (reduces by ~50%)
  • Contraindicated in pregnancy (Category X teratogen)

可耐受最高摄入量: 0.5 mg/day

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 度他雄胺(Dutasteride) help with 雄激素性脱发?
Based on 99 studies with 19,921 participants, there is strong evidence from multiple clinical trials that 度他雄胺(Dutasteride) may support 雄激素性脱发 management. Our evidence grade is A (Strong Evidence).
How much 度他雄胺(Dutasteride) should I take for 雄激素性脱发?
Studies have used various dosages. A commonly studied range is 0.5 mg/day (off-label). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of 度他雄胺(Dutasteride)?
Reported side effects may include Decreased libido (more common than finasteride), Erectile dysfunction, Ejaculation disorders, Gynecomastia (breast tissue growth). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for 度他雄胺(Dutasteride) and 雄激素性脱发?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 99 peer-reviewed studies with 19,921 total participants. The overall direction of effect is positive.

Related Evidence

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