Low-dose oral minoxidil in a case of short anagen syndrome

Purpose This study aims to explore the effectiveness of low-dose oral minoxidil (LDOM) in treating short anagen hair syndrome (SAS), a rare congenital condition characterized by a shortened anagen phase. While SAS often resolves spontaneously with puberty, treatment remains controversial. Recent stu...

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Main Authors: Divija Sharma, Serena Morsia, Benjamin Ungar
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Journal of Dermatological Treatment
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/09546634.2025.2460580
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author Divija Sharma
Serena Morsia
Benjamin Ungar
author_facet Divija Sharma
Serena Morsia
Benjamin Ungar
author_sort Divija Sharma
collection DOAJ
description Purpose This study aims to explore the effectiveness of low-dose oral minoxidil (LDOM) in treating short anagen hair syndrome (SAS), a rare congenital condition characterized by a shortened anagen phase. While SAS often resolves spontaneously with puberty, treatment remains controversial. Recent studies have demonstrated the efficacy of low-dose oral minoxidil (LDOM) in treating various hair loss conditions, including SAS.Materials and methods This report presents a case of a 24-year-old female with SAS who experienced significant improvement following LDOM treatment. The patient, who had persistent hair growth issues since childhood, had tried several therapies, including topical 5% minoxidil with limited success. The patient was started on LDOM at 1.25 mg and increased to 2.5 mg after one month.Results After starting LDOM, the patient reported reduced hair shedding, increased hair length, and improved hair density, which was also confirmed by Canfield’s HairMetrix measurements. Despite experiencing mild facial hypertrichosis, the patient opted to continue the treatment.Conclusion This case adds to the growing body of evidence supporting LDOM as a viable treatment for adult SAS. The findings may also offer insights into the genetic basis of SAS and its overlap with other hair loss conditions, suggesting possible shared therapeutic approaches.
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spelling doaj-art-9a36badd6348474382208c57a2b000f42025-02-07T00:47:26ZengTaylor & Francis GroupJournal of Dermatological Treatment0954-66341471-17532025-12-0136110.1080/09546634.2025.2460580Low-dose oral minoxidil in a case of short anagen syndromeDivija Sharma0Serena Morsia1Benjamin Ungar2Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USADepartment of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USADepartment of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USAPurpose This study aims to explore the effectiveness of low-dose oral minoxidil (LDOM) in treating short anagen hair syndrome (SAS), a rare congenital condition characterized by a shortened anagen phase. While SAS often resolves spontaneously with puberty, treatment remains controversial. Recent studies have demonstrated the efficacy of low-dose oral minoxidil (LDOM) in treating various hair loss conditions, including SAS.Materials and methods This report presents a case of a 24-year-old female with SAS who experienced significant improvement following LDOM treatment. The patient, who had persistent hair growth issues since childhood, had tried several therapies, including topical 5% minoxidil with limited success. The patient was started on LDOM at 1.25 mg and increased to 2.5 mg after one month.Results After starting LDOM, the patient reported reduced hair shedding, increased hair length, and improved hair density, which was also confirmed by Canfield’s HairMetrix measurements. Despite experiencing mild facial hypertrichosis, the patient opted to continue the treatment.Conclusion This case adds to the growing body of evidence supporting LDOM as a viable treatment for adult SAS. The findings may also offer insights into the genetic basis of SAS and its overlap with other hair loss conditions, suggesting possible shared therapeutic approaches.https://www.tandfonline.com/doi/10.1080/09546634.2025.2460580Alopeciashort anagen hair syndromelow dose oral minoxidilCanfield’s HairMetrixhair loss
spellingShingle Divija Sharma
Serena Morsia
Benjamin Ungar
Low-dose oral minoxidil in a case of short anagen syndrome
Journal of Dermatological Treatment
Alopecia
short anagen hair syndrome
low dose oral minoxidil
Canfield’s HairMetrix
hair loss
title Low-dose oral minoxidil in a case of short anagen syndrome
title_full Low-dose oral minoxidil in a case of short anagen syndrome
title_fullStr Low-dose oral minoxidil in a case of short anagen syndrome
title_full_unstemmed Low-dose oral minoxidil in a case of short anagen syndrome
title_short Low-dose oral minoxidil in a case of short anagen syndrome
title_sort low dose oral minoxidil in a case of short anagen syndrome
topic Alopecia
short anagen hair syndrome
low dose oral minoxidil
Canfield’s HairMetrix
hair loss
url https://www.tandfonline.com/doi/10.1080/09546634.2025.2460580
work_keys_str_mv AT divijasharma lowdoseoralminoxidilinacaseofshortanagensyndrome
AT serenamorsia lowdoseoralminoxidilinacaseofshortanagensyndrome
AT benjaminungar lowdoseoralminoxidilinacaseofshortanagensyndrome