Journal
JOURNAL OF INVESTIGATIVE DERMATOLOGY
Volume 142, Issue 10, Pages 2651-+Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jid.2022.03.029
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Funding
- Corbus Pharmaceuticals (Norwood, MA)
- Anisha Jobanputra of the Autoimmune Skin Diseases Unit at the University of Pennsylvania (Phil-adelphia, PA)
- National Institutes of Health [R21 AR066286]
- Corbus Pharmaceuticals
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This study evaluated the safety and efficacy of lenabasum in patients with refractory cutaneous dermatomyositis. The results showed that lenabasum treatment was well tolerated and associated with greater improvement in Cutaneous Dermatomyositis Disease Area and Severity Index activity and multiple efficacy outcomes.
Background: Treatment options are limited for skin disease in dermatomyositis. Lenabasum is a cannabinoid receptor type 2 agonist that triggers the resolution of inflammation. Objective: The objective of this study was to evaluate the safety and efficacy of lenabasum in patients with refractory cutaneous dermatomyositis. Design: This study was a single-center, double-blind, randomized, placebo-controlled phase 2 study conducted from July 2015 to August 2017. Population: The population included subjects aged >= 18 years with at least moderately active dermatomyositis skin activity by Cutaneous Dermatomyositis Disease Area and Severity Index activity >= 14 and failure or intolerance to hydroxychloroquine. Intervention: Participants received 20 mg lenabasum daily for 28 days and then 20 mg twice per day for 56 days or placebo. Main outcomes and meas-ures: The primary outcome was a change in Cutaneous Dermatomyositis Disease Area and Severity Index activity. Safety and other secondary efficacy assessments were performed till day 113. Results: A total of 22 subjects were randomized to lenabasum (n = 11) or placebo (n = 11). No serious or severe adverse events were related to lenabasum, and no participants discontinued the study. The adjusted least-squares mean for Cutaneous Dermatomyositis Disease Area and Severity Index activity decreased more for lenabasum, and the dif-ference was significant on day 113 (least-squares mean [standard error] difference = -6.5 [3.1], P = 0.038). Numerically greater improvements were seen in multiple secondary efficacy outcomes and biomarkers with lenabasum. Conclusion: Lenabasum treatment was well tolerated and was associated with greater improvement in Cutaneous Dermatomyositis Disease Area and Severity Index activity and multiple efficacy outcomes.
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