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Spironolattone per Alopecia femminile

A

Basato su 19 studi (2 meta-analyses, 4 RCTs) con 5,743 partecipanti totali. 16/19 studi mostrano effetti positivi.

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A

In sintesi

Spironolactone is strongly supported by research as an effective option that may help women with female pattern hair loss, with both oral and topical formulations showing benefits in clinical trials.

  • 84% of studies show positive effects, including 4 RCTs focused on women
  • Both oral and topical formulations have demonstrated benefits
  • A dedicated meta-analysis confirms efficacy and safety in female pattern hair loss
  • Combination with minoxidil may offer enhanced results

Key Study Findings

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

Popolazione: women with androgenetic alopecia (female pattern hair loss)

Randomized Controlled Trial n=204 24 weeks Double-blind
Spironolactone versus Bicalutamide in female pattern hair loss: A randomised clinical trial.
Dose: Bicalutamide 50 mg/day; spironolactone 100 mg/day vs: Spironolactone 100 mg/day Outcome: Hair density and shaft diameter change at 24 … Effetto: Frontal: +5.05 vs +3.13 hairs/cm2 (diff 1.92) P < 0.001 (frontal); P = 0.028

Popolazione: Women 18-50 with Sinclair Grade II-V FPHL (India)

randomized controlled trial n=80 24 weeks Single-blind
Evaluation of the Efficacy and Safety of Topical Spironolactone versus Topical Minoxidil in the Treatment …
Dose: Group A: 1% topical spironolactone gel twice daily; Group B: 5% topical minoxidil gel twice daily vs: Placebo Effetto: Both groups showed statistically significant improvement. Group A: 10 mild, 16 moderate, 2 excellent None
RCT n=48 24 weeks Double-blind
Efficacy and safety of oral spironolactone for female pattern hair loss in premenopausal women: a …
Dose: Spironolactone 100 mg once daily vs: Placebo Effetto: Terminal hair counts: 9.48 vs 5.32 hairs/cm2; hair diameter: 4.23 vs 2.96 μm; moderate-to-marked imp p=0.063 (terminal hair counts)
Randomized Controlled Trial n=240 520 weeks Open-label
Nutritional deficiencies after sleeve gastrectomy and Roux-en-Y gastric bypass at 10 years: secondary analysis of …
Dose: None vs: Laparoscopic Roux-en-Y gastric bypass (LRYGB) Outcome: Nutritional deficiency prevalence at 10 years Effetto: Iron deficiency: LSG 14% vs LRYGB 41% p=0.017 (iron deficiency)

Popolazione: Severely obese adults undergoing bariatric surgery

Review
Male and female pattern hair loss.
Dose: None vs: Placebo Effetto: None None

Key Statistics

45

Studi

6441

Partecipanti

Positive

A

Grado

Referenced Papers

Australian prescriber 2025 2 citazioni
Journal of cosmetic … 2023 3 citazioni
Journal of the … 2020 43 citazioni
Clinical and experimental … 2020 20 citazioni
International journal of … 2018 129 citazioni
Australian journal of … 2018 8 citazioni
The Cochrane database … 2016 18 citazioni
The Medical clinics … 2015 66 citazioni
Journal of the … 2015 50 citazioni
Clinical obstetrics and … 2015 9 citazioni
Current problems in … 2015 8 citazioni
Der Hautarzt; Zeitschrift … 2013 19 citazioni
International journal of … 2013
The Australasian journal … 2011 44 citazioni
Skinmed 2010 33 citazioni
Seminars in cutaneous … 2009 4 citazioni
Duodecim; laaketieteellinen aikakauskirja 2006
Journal of the … 2005 247 citazioni
The British journal … 2005 205 citazioni
Journal of the … 2005 64 citazioni

Dosage & Usage

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

Dosaggi di uso comune

hairloss:
100-200 mg/day (prescription)

Limite massimo: 200 mg/day (hair loss indication)

Dosaggi studiati nella ricerca

Dosaggio Durata Effetto N
None -- Neutral --
Bicalutamide 50 mg/day; spironolactone 100 mg/day 24 weeks Positive 204
Group A: 1% topical spironolactone gel twice daily; Group B: 5% topical minoxidil gel twice daily 24 weeks Positive 80
Spironolactone 100 mg once daily 24 weeks Positive 48
None 520 weeks Positive 240
None -- Positive --
Group A: topical finasteride 1% solution; Group B: topical spironolactone 5% solution; Group C: topi 16 weeks Positive 45
4 g -- Neutral --

Momento migliore per l'assunzione: Once or twice daily with food; prescription required

Safety & Side Effects

Effetti collaterali segnalati

  • Menstrual irregularities
  • Breast tenderness
  • Hyperkalemia (elevated potassium levels)
  • Dizziness and orthostatic hypotension
  • Frequent urination

Interazioni note

  • ACE inhibitors and ARBs (increased hyperkalemia risk)
  • Potassium supplements and potassium-sparing diuretics (dangerous hyperkalemia)
  • NSAIDs (may reduce diuretic effectiveness and increase kidney risk)
  • Digoxin (spironolactone may increase digoxin levels)

Livello di assunzione massimo tollerabile: 200 mg/day (hair loss indication)

Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.

Frequently Asked Questions

Does Spironolattone help with Alopecia femminile?
Based on 45 studies with 6,441 participants, there is strong evidence from multiple clinical trials that Spironolattone may support Alopecia femminile management. Our evidence grade is A (Strong Evidence).
How much Spironolattone should I take for Alopecia femminile?
Studies have used various dosages. A commonly studied range is 100-200 mg/day (prescription). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Spironolattone?
Reported side effects may include Menstrual irregularities, Breast tenderness, Hyperkalemia (elevated potassium levels), Dizziness and orthostatic hypotension. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Spironolattone and Alopecia femminile?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 45 peer-reviewed studies with 6,441 total participants. The overall direction of effect is positive.

Related Evidence

Avvertenza FDA: Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.