Upadacitinib Plus topical steroids Improve symptoms in Atopic Dermatitis: Phase 3 Study
NORTH CHICAGO -- AbbVie (NYSE: ABBV) today announced upadacitinib (15 mg and 30 mg, once daily) plus topical corticosteroids (TCS) met the co-primary endpoints and all secondary endpoints in AD Up, the third pivotal Phase 3 study of RINVOQ in atopic dermatitis.1 AD Up evaluated the efficacy and safety of both doses of upadacitinib therapy versus placebo in adults and adolescents with moderate to severe atopic dermatitis; all treatment groups, including placebo, received concomitant TCS.1 The co-primary endpoints were at least a 75 percent improvement in the Eczema Area Severity Index (EASI 75) from baseline and a validated Investigator's Global Assessment for Atopic Dermatitis (vIGA-AD) score of 0/1 (clear or almost clear) at week 16.1
Significantly more patients receiving either dose of upadacitinib plus TCS showed improvement in skin clearance compared to placebo plus TCS at week 16.1 In the study, 65/77 percent of patients receiving upadacitinib 15/30 mg plus TCS achieved EASI 75, respectively, versus 26 percent receiving placebo plus TCS (p<0.001).1 Of patients treated with upadacitinib 15/30 mg plus TCS, 40/59 percent achieved vIGA-AD 0/1, respectively, versus 11 percent of patients receiving placebo plus TCS (p<0.001).1
"These data build on the positive results from our previous studies in atopic dermatitis, now with additional perspective on the efficacy of RINVOQ used with a mainstay treatment for people living with the disease – topical steroids," said Tom Hudson, M.D., senior vice president of R&D and chief scientific officer, AbbVie. "With our deep heritage in serious skin diseases, we look forward to advancing research with RINVOQ as part of our ultimate goal to address unmet needs and improve care for people living with the relentless itch and skin symptoms of atopic dermatitis."
Additionally, more patients treated with upadacitinib plus TCS experienced a clinically meaningful reduction in itch, defined as improvement in Worst Pruritus Numerical Rating Scale (NRS)≥4, compared to patients treated with placebo plus TCS.1 At week 16, 52/64 percent of patients receiving upadacitinib 15/30 mg plus TCS achieved this endpoint compared to 15 percent of patients receiving placebo plus TCS (p<0.001).1
In a pre-specified additional analysis, treatment with either dose of upadacitinib also led to a higher mean number of topical corticosteroid-free days (TCS-free days) up to week 16 versus placebo.1 A TCS-free day is defined by a response of EASI 75 or greater without the use of TCS.1 Patients treated with upadacitinib 15/30 mg had a mean of 34/47 TCS-free days while maintaining EASI 75, respectively, compared with a mean of 8 days for those treated with placebo plus TCS (nominal p<0.001).1
"These results are encouraging, including the analysis showing some patients in the upadacitinib treatment groups were able to control their skin symptoms without topical corticosteroids," said Kristian Reich, M.D., professor of translational research in inflammatory skin diseases at the University Medical Center Hamburg Eppendorf, and Skinflammation Center, Hamburg, Germany and principal investigator. "Many of the current treatment options rely on patients to self-manage their condition, often with multiple applications of topicals. Patients could benefit from more therapeutic options that can help control symptoms without the constant need for concomitant topicals, as they strive for relief from this life-long, chronic disease."
Atopic dermatitis is a chronic, relapsing inflammatory condition characterized by a cycle of intense itching and scratching leading to cracked, scaly, oozing skin.12,13 It affects up to an estimated 25 percent of adolescents and 10 percent of adults at some point in their lifetime.13 Between 20 and 46 percent of adults with atopic dermatitis have moderate to severe disease.14 The range of symptoms pose significant physical, psychological and economic burden on individuals impacted by the disease.13,15
Safety results were consistent with the two previously reported Phase 3 studies in atopic dermatitis, with no new safety risks observed during the 16-week placebo-controlled period.1-3 Serious adverse events (SAEs) occurred in 2.3 percent of patients in the upadacitinib 15 mg plus TCS group and 1.3 percent of patients in the upadacitinib 30 mg plus TCS group compared to 3.0 percent of patients in the placebo plus TCS group.1 The most common AEs for the upadacitinib groups were nasopharyngitis, acne and upper respiratory tract infection.1 Acne was observed at higher rates in the 15 mg and 30 mg upadacitinib plus TCS groups (10.0 percent and 13.8 percent, respectively) versus placebo plus TCS group (2.0 percent); all events were mild or moderate in severity and none led to treatment discontinuation.1 Eczema herpeticum was observed in 1.0 percent of patients on upadacitinib 15 mg plus TCS and 1.3 percent of patients on upadacitinib 30 mg plus TCS; none were reported in patients on placebo plus TCS.1 Serious infections were reported infrequently (1.0 percent in the upadacitinib 15 mg plus TCS group, 1.0 percent in the placebo plus TCS group; none were reported in the upadacitinib 30 mg plus TCS group).1 One event of arterial thrombosis occurred in a patient on placebo plus TCS.1 No deaths, major adverse cardiac events or venous thromboembolic events were reported in any of the treatment groups.1
Full results from the AD Up study will be presented at a future medical meeting and submitted for publication in a peer-reviewed journal. Use of RINVOQ in atopic dermatitis is not approved and its safety and efficacy have not been evaluated by regulatory authorities.
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