May 2025 in “Journal of the European Academy of Dermatology and Venereology” Etrasimod is safe but not effective for severe alopecia areata, though it may help milder cases.
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October 2021 in “Journal of Investigative Dermatology” Sphingosine 1-phosphate helps control mechanical pain.
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January 2018 Sphingosine 1-phosphate and its receptor S1PR3 are key in controlling mechanical pain.
November 2025 in “Frontiers in Immunology” New treatments for alopecia areata show promise in improving hair loss outcomes.