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Incidence and Factors Associated With Acne in Transgender Adolescents on Testosterone: A Retrospective Cohort Study
Lena Chu1, Sarah Gold1, Carlyn Harris1
1Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia.
Objective:
This retrospective cohort study aimed to assess incidence and predictors of acne among transgender adolescents receiving testosterone.
Methods:
We analyzed records of patients aged <18 years, assigned female at birth, seen at Children's Healthcare of Atlanta Pediatric Endocrinology clinic for testosterone initiation between January 1, 2016, and January 1, 2019, with at least 1-year follow-up documented. Bivariable analyses to determine the association of clinical and demographic factors with new acne diagnosis were performed.
Results:
Of 60 patients, 46 (77%) did not have baseline acne, but of those 46 patients, 25 (54%) developed acne within 1 year of testosterone initiation. Overall incidence proportion was 70% at 2 years; patients who used progestin prior to or during follow-up were more likely to develop acne than nonusers (92% vs 33%, P <.001).
Conclusion:
Transgender adolescents starting testosterone, particularly those taking progestin, should be monitored for acne development and treated proactively by hormone providers and dermatologists.
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