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New treatment option shows promise for skin and hair conditions

Date:
March 3, 2017
Source:
American Academy of Dermatology
Summary:
Alopecia areata, atopic dermatitis and vitiligo are highly visible dermatologic conditions that can have a negative effect on patients’ quality of life and overall health. An emerging treatment option, however, could provide effective therapy.
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Alopecia areata, atopic dermatitis and vitiligo are highly visible dermatologic conditions that can have a negative effect on patients' quality of life and overall health. An emerging treatment option, however, could provide effective therapy for patients with these conditions.

Board-certified dermatologist Brett King, MD, MPH, FAAD, an assistant professor of dermatology at the Yale School of Medicine in New Haven, Conn., is at the forefront of research into new uses for a class of drugs known as Janus kinase inhibitors, or JAK inhibitors. Recent studies suggest that these medications can disrupt the immune response that fuels alopecia areata, which can cause patchy or total hair loss; atopic dermatitis, which causes severe itch and red rash; and vitiligo, which causes the skin to lose its color.

"While alopecia areata, atopic dermatitis and vitiligo may not seem alike on the surface, they are all fueled by the body's immune system," Dr. King says, "and JAK inhibitors seem to address immune system dysfunction in all three diseases. I believe that this class of medicines is going to redefine how dermatologists approach these diseases and provide a revolutionary new therapy for patients."

A relatively new class of drug, JAK inhibitors were approved about five years ago by the U.S. Food and Drug Administration to treat rheumatoid arthritis and bone marrow disorders. After researchers at Columbia University in New York used these medications to successfully treat alopecia areata in mice, Dr. King used a JAK inhibitor off label in a human patient with the condition. After observing hair regrowth in this patient and others, he turned to patients with atopic dermatitis and vitiligo, who experienced significant improvement in their symptoms after taking JAK inhibitors.

While these results are promising, Dr. King says, JAK inhibitors are not currently FDA-approved for the treatment of alopecia areata, atopic dermatitis or vitiligo. The next step toward that end, he says, would be for pharmaceutical companies to conduct large-scale clinical trials, which are already in progress for atopic dermatitis and alopecia areata.

"If JAK inhibitors are approved for dermatologic use, these medications would provide dermatologists with a powerful tool for treating multiple common diseases that have a profound negative impact on patients," Dr. King says. "We need new and innovative treatments to help our patients, and for those with alopecia areata, atopic dermatitis and vitiligo, JAK inhibitors could be a life-changing therapy."


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Materials provided by American Academy of Dermatology. Note: Content may be edited for style and length.


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American Academy of Dermatology. "New treatment option shows promise for skin and hair conditions." ScienceDaily. ScienceDaily, 3 March 2017. <www.sciencedaily.com/releases/2017/03/170303091706.htm>.
American Academy of Dermatology. (2017, March 3). New treatment option shows promise for skin and hair conditions. ScienceDaily. Retrieved May 24, 2017 from www.sciencedaily.com/releases/2017/03/170303091706.htm
American Academy of Dermatology. "New treatment option shows promise for skin and hair conditions." ScienceDaily. www.sciencedaily.com/releases/2017/03/170303091706.htm (accessed May 24, 2017).

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