September 2023 in “SKIN The Journal of Cutaneous Medicine” This case report documented a 74-year-old female with alopecic patches and other skin issues during talquetamab therapy for multiple myeloma, suggesting that the drug may cause skin-related adverse effects due to reactivity to GPRC5D-expressing structures.
This case report presented the successful treatment of a patient with alopecia universalis using tofacitinib.
May 2025 in “Journal of the European Academy of Dermatology and Venereology” This study found that 45.5% of alopecia areata patients treated with ritlecitinib 50 mg daily achieved significant hair regrowth, with most maintaining their response over 24 months.
January 2024 in “Wiadomości Lekarskie” In this study, researchers examined a patient with ZMYM2::FGFR1 fusion-positive leukemia, finding that Pemigatinib showed efficacy, while Ponatinib resistance was linked to a specific FGFR1 mutation. Other FGFR inhibitors demonstrated high effectiveness in ex vivo assays.
1 citations
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August 2023 in “JAMA Dermatology” In this study, baricitinib 4 mg led to greater scalp, eyebrow, and eyelash hair regrowth in severe alopecia areata patients than baricitinib 2 mg at weeks 36 and 52.
48 citations
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July 2023 in “Pediatric Dermatology” This study found that among adolescents with alopecia areata and significant hair loss, treatment with ritlecitinib resulted in greater hair regrowth and self-reported improvement compared to placebo over 48 weeks, with common side effects including headache, acne, and nasopharyngitis.
238 citations
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November 2016 in “Journal of The American Academy of Dermatology” In this study, tofacitinib was reported to improve scalp hair regrowth in patients with severe alopecia areata, alopecia totalis, and alopecia universalis, showing a higher response in alopecia areata.
2 citations
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March 2026 in “Journal of Dermatological Treatment” This study found that JAK inhibitors used to treat alopecia areata have varied safety profiles, with different adverse events associated with each drug; tofacitinib and ruxolitinib had earlier onset of events, while baricitinib and ritlecitinib showed distinct delayed patterns.
39 citations
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January 2019 in “Journal of the American Academy of Dermatology” In this study, three children with severe alopecia treated with systemic tofacitinib showed significant hair regrowth, suggesting it may be a potential option for those unresponsive to conventional therapy.
3 citations
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July 2025 in “International Immunopharmacology” 2 citations
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February 2023 in “Actas Dermo-Sifiliográficas” Baricitinib effectively improved both atopic dermatitis and alopecia areata symptoms in a patient.
June 2026 in “Journal of health economics and outcomes research” This study found that ritlecitinib 50 mg offered a lower cost per responder than baricitinib 2 or 4 mg for treating severe alopecia areata at Weeks 24 and 52, potentially influencing reimbursement decisions.
July 2025 in “The Journal of Dermatology” This study identified common and unexpected adverse events associated with ritlecitinib in real-world use, providing insights into its safety profile for treating severe alopecia areata.
70 citations
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April 2016 in “Experimental Dermatology” In this study, oral tofacitinib treatment led to significant hair regrowth and changes in skin and blood biomarkers in a patient with alopecia areata.
July 2026 in “Journal of the American Academy of Dermatology”
July 2025 in “Frontiers in Medicine” In this case study, an 8-year-old boy with alopecia totalis experienced significant hair regrowth after baricitinib treatment, suggesting KRT74 variants may influence immune dysregulation in this condition.
January 2024 in “Journal of dermatology and skin science” In this study, researchers found that applying topical aprepitant, which blocks substance P receptors, significantly reduced facial dermatitis and hair loss in rats experiencing erlotinib-induced skin side effects, highlighting the neurogenic inflammation's role and the protective effect of ROS inhibition.
July 2024 in “Journal of Investigative Dermatology” 28 citations
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September 2016 in “Future oncology” In this study, a UK expert panel discussed strategies for managing common side effects of vismodegib, a hedgehog pathway inhibitor used for advanced basal cell carcinoma, concluding that adverse events like taste disturbances and muscle cramps can be effectively managed to optimize treatment duration.
November 2024 in “SKIN The Journal of Cutaneous Medicine” This study found that daily treatment with ritlecitinib 50 mg over 24 months reduced the number of patients in the highest categories of scalp hair loss, with improvements seen in patient responses over time.
December 2025 in “Actas Dermo-Sifiliográficas” This review analyzes the mechanism and evidence supporting the approved use of ritlecitinib, a JAK3/TEC kinase inhibitor, for treating severe alopecia areata in patients aged 12 and older, highlighting its role in the changing therapeutic landscape of this immune-mediated disease.
4 citations
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July 2023 in “Nature Medicine” The FDA approved a new Pfizer drug for hair loss in teens.
78 citations
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March 2017 in “JAMA Dermatology” Tofacitinib helped regrow hair in people with severe alopecia, but side effects occurred and benefits stopped after treatment ended.
32 citations
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April 2011 in “Journal of the American Academy of Dermatology” Erlotinib may cause scarring hair loss.
December 2023 in “Acta dermato-venereologica” This retrospective cohort study reported that oral tofacitinib was effective in treating alopecia areata, with 83.2% of patients showing improvement and 16.0% achieving complete remission. Earlier intervention and previous hair regrowth were linked to better outcomes, and no severe adverse events were observed.
4 citations
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September 2025 in “Journal of the American Academy of Dermatology” July 2025 in “Journal of the European Academy of Dermatology and Venereology” This study reports no new findings but provides corrected figures for the long-term safety and efficacy of ritlecitinib in treating alopecia areata from the ALLEGRO-LT phase 3 study.
July 2022 in “International Journal of Trichology” This case report describes a young Indian boy with resistant alopecia areata who experienced nearly complete hair regrowth within 5 months of treatment with oral tofacitinib.
September 2024 in “Journal of the American Academy of Dermatology” Eyebrow and eyelash regrowth usually matches scalp hair response in alopecia areata patients treated with baricitinib.
1 citations
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October 2023 in “European Journal of Dermatology” This study found that combining hair transplantation with platelet-rich plasma led to significantly better outcomes, such as reduced hair loss area and increased hair regeneration, compared to hair transplantation alone in patients with androgenic alopecia.