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  • Hair loss frequent in...

Hair loss frequent in acne patients treated with low dose isotretinoin vs high dose

Medha BaranwalWritten by Medha Baranwal Published On 2022-04-22T09:00:47+05:30  |  Updated On 22 April 2022 3:30 AM GMT
Hair loss frequent in acne patients treated with low dose isotretinoin vs high dose
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Canada: Findings from a systematic review suggetsed that in few patients with acne vulgaris treated with low-dose isotretinoin suffered hair loss than patients on a higher dose. The study was published in the Journal of The American Academy of Dermatology International.The researchers wrote, "<0.5-mg/kg/day isotretinoin dosing results in hair loss at a frequency of 3.2% but...

Canada: Findings from a systematic review suggetsed that in few patients with acne vulgaris treated with low-dose isotretinoin suffered hair loss than patients on a higher dose. The study was published in the Journal of The American Academy of Dermatology International.

The researchers wrote, "<0.5-mg/kg/day isotretinoin dosing results in hair loss at a frequency of 3.2% but ≥0.5-mg/kg/day isotretinoin dosing yields hair loss at a frequency of 5.7%." "Dose reduction role in hair loss frequency is critical to establish because it would allow patients with acne and distressing levels of hair loss to still receive effective therapy." 

In the US, over 1 million isotretinoin prescriptions are authorized per year. An understanding of the frequency, dose dependency, timing, and reversibility of hair loss associated with isotretinoin treatment for acne vulgaris could be helpful for guiding dosing regimens and patient counseling. The study was conducted by Katherine McDonald, Department of Dermatology, University of Toronto, Toronto, Ontario, Canada, and colleagues with an objective to assess the frequency of hair loss in patients with acne vulgaris on <0.5 mg/kg/d daily doses of isotretinoin compared to the frequency of hair loss in patients with acne vulgaris on ≥0.5 mg/kg/d daily doses of isotretinoin.

For this purpose, the researchers conducted an online research on July 15, 2020, in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The review focused on acne vulgaris patients. The most common use of isotretinoin is the treatment of acne vugaris, and the population is typically younger and with fewer comorbidities. 

Based on the meta-analysis, the researchers found the following:

· Twenty-two studies reported hair loss with oral isotretinoin treatment.

· A frequency analysis suggested that patients with acne vulgaris on <0.5 mg/kg/d of isotretinoin experienced hair loss at a frequency of 3.2% (n = 18/565) compared with those on ≥0.5 mg/kg/d, who experienced hair loss at a frequency of 5.7% (n = 192/3375).

· Inferential statistics were not possible.

"Physicians should consider counseling patients about telogen effluvium risk prior to drug inititaiton, as is done commonly for other side effects," the authors concluded. "The potential trend of increased hair loss frequency at a higher daily dosing warrants further investigation using higher-quality research."

Reference:

The study titled, "Comparing the frequency of isotretinoin-induced hair loss at <0.5-mg/kg/d versus ≥0.5-mg/kg/d dosing in acne patients: A systematic review," was published in the Journal of The American Academy of Dermatology International. 

DOI: https://doi.org/10.1016/j.jdin.2022.01.002

Journal of The American Academy of Dermatology Internationalhair lossacne vulgarisisotretinoin
Source : Journal of The American Academy of Dermatology International
Medha Baranwal
Medha Baranwal

    MSc. Biotechnology

    Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751

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