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Conference Coverage

Advancements in Alopecia Areata Treatment and Management

During Fall Dermatology Week 2024, Brett King, MD, PhD, discussed recent developments in the management of severe alopecia areata (AA), including the approval of new therapies and an evolving understanding of the disease. He noted that AA is an autoimmune disorder characterized by hair loss, often involving not only the scalp but other hair-bearing areas, such as eyebrows and eyelashes. Genetic predisposition is a well-established risk factor, with familial links observed in up to 20% of cases. Additionally, AA is commonly associated with comorbid immune-mediated diseases, such as thyroid disorders and atopic dermatitis, suggesting a shared genetic basis for these conditions.

Dr King emphasized the importance of understanding disease severity in managing AA. The use of the Severity of Alopecia Tool, orSALT, score and the Alopecia Areata Investigator Global Assessment system helps categorize patients' conditions from mild to severe, incorporating factors such as psychosocial impact and hair loss progression. These classifications guide treatment decisions, particularly with the advent of new therapeutic options.

The introduction of Janus kinase (JAK) inhibitors, which target the immune-mediated mechanisms of AA, has transformed treatment approaches. While corticosteroids and other traditional therapies had limited efficacy, JAK inhibitors like tofacitinib and baricitinib have shown promising results in clinical trials. For example, in phase 3 trials, baricitinib demonstrated significant efficacy in patients with severe AA, with 20% to 40% achieving near-complete regrowth of scalp hair after 36 weeks of treatment. Additionally, Ritlecitinib newer JAK inhibitor, showed similar efficacy, especially in adolescents, challenging the notion that early onset of AA predicts poor prognosis.

Dr King further discussed how early intervention leads to better outcomes. Patients treated before experiencing complete scalp hair loss were more likely to achieve optimal responses, with nearly 60% of patients showing significant improvement when treated at the first signs of hair loss. These findings underscore the need for timely diagnosis and treatment initiation to maximize therapeutic success. The ongoing development of JAK inhibitors promises continued advancement in the management of AA, offering hope for improved outcomes for patients with this challenging condition.

Reference
King B. Updates and management of alopecia areata. Presented at: Dermatology Week; November 13–16, 2024; Virtual.

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Any views and opinions expressed are those of the author(s) and/or participants and do not necessarily reflect the views, policy, or position of the Dermatology Learning Network or HMP Global, their employees, and affiliates. 

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