Long-Term Safety Profile and Off-Label Use of JAK Inhibitors in Dermatological Disorders / Perfil de seguridad a largo plazo y usos fuera de indicación de los inhibidores de JAK en dermatología

JAK inhibitors target specific inflammatory cytokines involved in various inflammatory diseases. Four molecules have been approved for dermatological use: upadacitinib, baricitinib, abrocitinib and topical ruxolitinib. Off-label prescriptions for other dermatological conditions have been reported. We conducted a narrative review of the literature to assess the long-term safety profile of currently approved JAK inhibitors in dermatology, and their off-label use in skin disorders. We performed literature searches with Pubmed and Google Scholar from January 2000 to January 2023, using the keywords “Janus kinase inhibitors”, “JAK inhibitors”, “off-label”, “dermatology”, “safety”, “adverse events”, “ruxolitinib”, “upadacitinib”, “abrocitinib” and “baricitinib”. Our search yielded a total of 37 dermatological disorders with studies supporting the use of these JAK inhibitors. Preliminary studies indicate that JAK inhibitors generally have a favorable safety profile and can be considered as an option in many dermatological disorders (AU)

Los inhibidores de JAK actúan bloqueando la acción de ciertas citoquinas inflamatorias involucradas en varias enfermedades inflamatorias. Cuatro moléculas han sido aprobadas para uso en dermatología: upadacitinib, baricitinib, abrocitinib y ruxolitinib tópico. Se han reportado usos fuera de indicación para diferentes enfermedades dermatológicas. Se realizó una revisión narrativa de la literatura sobre la seguridad a largo plazo de los inhibidores de JAK aprobados en dermatología y su uso fuera de indicación en enfermedades dermatológicas, mediante búsquedas bibliográficas en Pubmed y Google Scholar desde enero de 2000 hasta enero de 2023, incluyendo las palabras clave: «Janus kinase inhibitors», «JAK inhibitors», «off-label», «dermatology», «safety», «adverse events», «ruxolitinib», «upadacitinib», «abrocitinib» y «baricitinib». Se encontraron un total de 37 trastornos dermatológicos con estudios que respaldan el uso de estos fármacos. Los estudios preliminares indican que los inhibidores de JAK tienen un perfil de seguridad generalmente favorable y pueden considerarse una opción en muchas enfermedades dermatológicas (AU)

[Artículo traducido] Perfil de seguridad a largo plazo y usos fuera de indicación de los inhibidores de JAK en dermatología / Long-Term Safety Profile and Off-Label Use of JAK Inhibitors in Dermatological Disorders

Los inhibidores de JAK actúan bloqueando la acción de ciertas citoquinas inflamatorias involucradas en varias enfermedades inflamatorias. Cuatro moléculas han sido aprobadas para uso en dermatología: upadacitinib, baricitinib, abrocitinib y ruxolitinib tópico. Se han reportado usos fuera de indicación para diferentes enfermedades dermatológicas. Se realizó una revisión narrativa de la literatura sobre la seguridad a largo plazo de los inhibidores de JAK aprobados en dermatología y su uso fuera de indicación en enfermedades dermatológicas, mediante búsquedas bibliográficas en Pubmed y Google Scholar desde enero de 2000 hasta enero de 2023, incluyendo las palabras clave: «Janus kinase inhibitors», «JAK inhibitors», «off-label», «dermatology», «safety», «adverse events», «ruxolitinib», «upadacitinib», «abrocitinib» y «baricitinib». Se encontraron un total de 37 trastornos dermatológicos con estudios que respaldan el uso de estos fármacos. Los estudios preliminares indican que los inhibidores de JAK tienen un perfil de seguridad generalmente favorable y pueden considerarse una opción en muchas enfermedades dermatológicas (AU)

JAK inhibitors target specific inflammatory cytokines involved in various inflammatory diseases. Four molecules have been approved for dermatological use: upadacitinib, baricitinib, abrocitinib and topical ruxolitinib. Off-label prescriptions for other dermatological conditions have been reported. We conducted a narrative review of the literature to assess the long-term safety profile of currently approved JAK inhibitors in dermatology, and their off-label use in skin disorders. We performed literature searches with Pubmed and Google Scholar from January 2000 to January 2023, using the keywords “Janus kinase inhibitors”, “JAK inhibitors”, “off-label”, “dermatology”, “safety”, “adverse events”, “ruxolitinib”, “upadacitinib”, “abrocitinib” and “baricitinib”. Our search yielded a total of 37 dermatological disorders with studies supporting the use of these JAK inhibitors. Preliminary studies indicate that JAK inhibitors generally have a favorable safety profile and can be considered as an option in many dermatological disorders (AU)

Long-Term Safety Profile and Off-Label Use of JAK Inhibitors in Dermatological Disorders. / [Artículo traducido] Perfil de seguridad a largo plazo y usos fuera de indicación de los inhibidores de JAK en dermatología.

JAK inhibitors target specific inflammatory cytokines involved in various inflammatory diseases. Four molecules have been approved for dermatological use: upadacitinib, baricitinib, abrocitinib and topical ruxolitinib. Off-label prescriptions for other dermatological conditions have been reported. We conducted a narrative review of the literature to assess the long-term safety profile of currently approved JAK inhibitors in dermatology, and their off-label use in skin disorders. We performed literature searches with PubMed and Google Scholar from January 2000 to January 2023, using the keywords "Janus kinase inhibitors", "JAK inhibitors","off-label", "dermatology", "safety", "adverse events", "ruxolitinib", "upadacitinib","abrocitinib" and "baricitinib". Our search yielded a total of 37 dermatological disorders with studies supporting the use of these JAK inhibitors. Preliminary studies indicate that JAK inhibitors generally have a favorable safety profile and can be considered as an option in many dermatological disorders.

Long-Term Safety Profile and Off-Label Use of JAK Inhibitors in Dermatological Disorders.

JAK inhibitors target specific inflammatory cytokines involved in various inflammatory diseases. Four molecules have been approved for dermatological use: upadacitinib, baricitinib, abrocitinib and topical ruxolitinib. Off-label prescriptions for other dermatological conditions have been reported. We conducted a narrative review of the literature to assess the long-term safety profile of currently approved JAK inhibitors in dermatology, and their off-label use in skin disorders. We performed literature searches with Pubmed and Google Scholar from January 2000 to January 2023, using the keywords "Janus kinase inhibitors", "JAK inhibitors", "off-label", "dermatology", "safety", "adverse events", "ruxolitinib", "upadacitinib", "abrocitinib" and "baricitinib". Our search yielded a total of 37 dermatological disorders with studies supporting the use of these JAK inhibitors. Preliminary studies indicate that JAK inhibitors generally have a favorable safety profile and can be considered as an option in many dermatological disorders.

Report of two cases of mucous membrane pemphigoid with frontal fibrosing alopecia: a variant of lichen planus pemphigoides or an incidental finding?

Lichen planus pemphigoides (LPP) is a rare autoimmune subepidermal blistering disease characterized by the coexistence of both lichen planus and either bullous pemphigoid or mucous membrane pemphigoid (MMP) features. Frontal fibrosing alopecia (FFA) is a scarring alopecia, generally considered a form of lichen planopilaris. We report two patients with concomitant FFA and MPP. Patient 1 was a 73-year-old woman with the clinical and histological diagnosis of oral lichen planus. In addition, she presented alopecic plaques in the parietal area with blisters, immunohistologically compatible with Brunsting-Perry pemphigoid, a variant of MMP. During follow-up, the patient also developed FFA. Patient 2 was a 70-year-old woman with a history of ocular inflammation and desquamative gingivitis, who was diagnosed with MMP based on a conjunctival biopsy. She also had clinical features of FFA. ELISA and frontal biopsy confirmed the diagnoses of MMP and FFA. In conclusion, we report two patients with MMP associated with FFA, and discuss whether this association is a new variant of LPP or an incidental finding.