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Research ArticleArticles
Open Access

A Retrospective Study on the Safety of Systemic Minoxidil for Hair Loss in the Older Population

Blythe Ke and Damkerng Pathomvanich
Hair Transplant Forum International November 2024, 34 (6) 206-209; DOI: https://doi.org/10.33589/34.6.206
Blythe Ke
Manila, Philippines
MD
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  • For correspondence: blythe.ke@gmail.com
Damkerng Pathomvanich
Bangkok, Thailand
MD, FISHRS
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  • Article
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Article Figures & Data

Tables

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    Table 1.

    Characteristics of Study Participants

    Male (n=33)Female (n=9)
    Mean age66.2 years65.8 years
    Country of OriginEast Asian 1 (3%)
    Southeast Asia 19 (58%)
    South Africa 1 (3%)
    Caucasian (Australia) 1 (3%)
    Caucasian (USA, Canada) 8 (24%)
    Caucasian (Europe) 3 (9%)
    Southeast Asia 8 (89%)
    Southern Asia 1 (11%)
    Mean dose of systemic minoxidil4.8 mg (0.06 mg/kg/day)2.75 mg (0.03 mg/kg/day)
    Diagnosis of hair disorderMale pattern baldness (100%):
    NH classl III (n=3, 9.1%)
    NH class III vertex (n=2, 6.1%)
    NH class IV (n=4, 12.1%)
    NHclass V (n=10, 30.3%)
    NH class VI (n=14, 42.4%)
    Female pattern baldness (78%):
    Ludwig II (n=6, 67%)
    Ludwig III (n=l, 11%)
    Telogen effluvium (n=2, 22%)
    Mean duration of systemic minoxidil27.5 months5.86 months
    Route of systemic minoxidil
    Oral298
    Sublingual41
    Use of other hair loss drugs*
    F191
    S03
    K01
    TM10
    F + TM40
    F + D + TM10
    F + S + TM + K10
    S + K02
    K + TM01
    No medications other than oral/sublingual minoxidil71
    Participants with comorbid conditions
    Any comorbid conditions19 (58%)4 (44%)
    Hypertension92
    Dyslipidemia73
    Endocrine disorders
    Diabetes42
    Hypothyroidism10
    Cardiac rhythm disorder (Atrial fibrillation, heart block)20
    Dermatological disorders (psoriasis)10
    Musculoskeletal disorders (Gout)10
    Psychiatric/psychological disorders (sleep disorder, depression)20
    • ↵* F = oral finasteride 1-1.25mg/day, D = oral dutasteride 0.5mg/week, S = spironolactone 25-50mg/day, K = ketoconazole 2% shampoo 2-3 times a week, TM = topical minoxidil 5% foam/solution/lotion

    • ** ARB = angiotensin-receptor blocker, CCB = calcium channel blocker, SARI = serotonin reuptake inhibitor, GLP-1 receptor agonist = glucagon-like peptide-1 receptor agonist, SGLT-2 inhibitor = sodium-glucose co-transporter 2 (SGLT2) inhibitor

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    Table 2.

    Adverse Events (AEs) in Male and Female Participants

    Male (n=33)Female (n=9)Total
    Patients without any AEs28 (85%)6 (67%)34 (81%)
    Patients with any AEs5 (15%)3 (33%)8 (19%)
    Adverse events*5510
    Facial or body hypertrichosis2 (6%)2 (22%)4 (9.5%)
    Upper eyelid swelling1 (3%)2 (22%)3 (7.1%)
    Palpitations1 (3%)1 (11%)2 (4.8%)
    Leg swelling1 (3%)01 (2.4%)
    • ↵* There was more than one adverse event in some participants.

    • View popup
    Table 3.

    Routes of Administration, Duration and Presence/Absence of Comorbid Conditions in Patients With and Without Adverse Events (AEs)

    PatientsRouteDurationComorbid Conditions
    OralSL< 6 mos≥ 6 mosWithoutWith
    With any AE (n=8)7 (5-10mg)1 (5mg)3535
    Without AE (n=34)30 (1-5mg)4 (5mg)12221519
    • *SL = sublingual

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International Society of Hair Restoration Surgery: 34 (6)
Hair Transplant Forum International
Vol. 34, Issue 6
November/December 2024
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A Retrospective Study on the Safety of Systemic Minoxidil for Hair Loss in the Older Population
Blythe Ke, Damkerng Pathomvanich
Hair Transplant Forum International Nov 2024, 34 (6) 206-209; DOI: 10.33589/34.6.206

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A Retrospective Study on the Safety of Systemic Minoxidil for Hair Loss in the Older Population
Blythe Ke, Damkerng Pathomvanich
Hair Transplant Forum International Nov 2024, 34 (6) 206-209; DOI: 10.33589/34.6.206
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Keywords

  • alopecia
  • androgenetic alopecia
  • hair loss
  • minoxidil

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