Tofacitinib a potential treatment for sarcoidosis: Study
Australia: Tofacitinib, a JAK inhibitor, could be used for the treatment of sarcoidosis, suggests a recent study in the Journal of the American Academy of Dermatology. In a series of cases, the researchers reported successful treatment of five patients having cutaneous sarcoidosis with tofacitinib.
Sarcoidosis is a multi-organ inflammatory disease characterized by noncaseating granulomas. In approx 25% of the cases, cutaneous involvement occurs. Not all the patients require treatment but for those of who do, steroid-sparing agents and corticosteroids may be useful. These agents are not universally effective and their use may be limited by toxicity. So, there arises a need for safe and effective therapies.
Activator of transcription (STAT) pathway and Janus kinase (JAK)-signal transducer seems to play a role in pathogenesis. Some studies have suggested tofacitinib to be involved in the down regulation of JAK-STAT-dependent pathways thereby reducing proinflammatory cytokine levels as implicated in granuloma formation; successful treatment of sarcoidosis with JAK-inhibitors tofacitinib and ruxolitinib have since been reported.
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