87 citations
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December 2016 in “British journal of dermatology/British journal of dermatology, Supplement” This study describes and characterizes four cases of alopecia areata induced by immune checkpoint inhibitor therapy in cancer patients, highlighting the importance of recognizing and managing these hair-related adverse events.
April 2023 in “Journal of Investigative Dermatology” This study found that in biopsied skin samples of alopecia areata, a lower anagen/telogen ratio was associated with increased T cell infiltration, and enhancing the PD-1/PD-L1 axis may inhibit CD8+T cell infiltration and improve the condition.
This study observed two distinct groups of alopecia areata lesions based on PD-1 expression in T cells from biopsied skin samples, suggesting potential differences in subtypes or stages of the disease that warrant further investigation.
May 2022 in “Benha Journal of Applied Sciences” This study found that programmed death-ligand 1 (PD-L1) levels correlated with the severity of alopecia areata, suggesting its potential as an indicator and possible target for new treatments.
2 citations
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May 2023 in “Journal of Immunotherapy” In this case study, a 65-year-old male with hepatocellular carcinoma treated with the PD-1 inhibitor Sintilimab developed alopecia universalis alongside significant tumor regression and complete remission, highlighting a rare immune-related adverse event with effective anti-tumor outcomes.