期刊
PULMONARY THERAPY
卷 9, 期 2, 页码 237-253出版社
SPRINGERNATURE
DOI: 10.1007/s41030-023-00222-2
关键词
Acthar Gel; Clinical trial; Pulmonary sarcoidosis; RCI; Repository corticotropin injection
This study aimed to evaluate the efficacy and safety of repository corticotropin injection (RCI) in patients with pulmonary sarcoidosis and validate endpoints for use in future clinical trials. The results showed that RCI had greater improvement in disease and reduction in glucocorticoid use compared to placebo. The study also provided validation of efficacy endpoints that may be used in larger trials for pulmonary sarcoidosis.
Introduction: Long-term treatment of pulmonary sarcoidosis with glucocorticoids has been associated with toxicity and other adverse events, highlighting the need for alternative therapies. The goal of this studywas to evaluate the efficacy and safety of repository corticotropin injection (RCI, Acthar (R) Gel) in patients with pulmonary sarcoidosis and to validate endpoints for use in future clinical trials. Methods: In this multicenter, randomized, placebo-controlled trial, subjects received subcutaneous RCI (80 U) twice weekly or matching placebo through 24 weeks in a double-blind treatment phase, followed by an optional 24-week open-label extension. Efficacy was measured by glucocorticoid tapering, pulmonary function tests, chest imaging, patient-reported outcomes, and a novel sarcoidosis treatment score (STS). Safety was assessed by adverse events, physical examinations, vital signs, clinical laboratory abnormalities, and imaging. The study was terminated early due to low enrollment caused by the COVID-19 pandemic, thereby precluding statistical analysis. Results: Fifty-five subjects were randomized to receive either RCI (n = 27) or placebo (n = 28). Mean STS at week 24 showed greater improvement with RCI (1.4) compared with placebo (0.7). At week 48, those who remained on RCI had an STS of 1.8 compared with 0.9 in those who switched from placebo to RCI. More subjects in the RCI group discontinued glucocorticoids at week 24 compared to the placebo group. Glucocorticoid discontinuation was comparable at week 48 for those who switched from placebo to RCI and those who continued RCI. Similar trends in favor of RCI over placebo were observed with the other efficacy endpoints. No new or unexpected safety signals were identified. Conclusions: RCI was safe and well tolerated, with trends in efficacy data suggesting greater improvement with RCI compared to placebo in patients receiving standard-of-care therapy for pulmonary sarcoidosis. The study also provided validation of efficacy endpoints that may be used in larger trials for pulmonary sarcoidosis. [GRAPHICS] .
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