Nemolizumab is Associated with a Rapid Improvement in Atopic
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Nemolizumab is a humanized anti-IL-31 receptor blocker in phase 3 for atopic dermatitis (AD). A Study was conducted to analyze onset of action of nemolizumab 30 mg and compare the efficacy and safety vs placebo (SC q4wk plus loading dose) in moderate-to-severe AD.

Post-hoc analysis was done of patients with Eczema Area and Severity Index (EASI) scores more than 16 from a phase 2b trial of moderate-to-severe AD. Endpoints were change in EASI score at week 16, peak pruritus numeric rating scale (PP-NRS), Investigator’s Global Assessment (IGA), changes in sleep and responders with more than 4-point improvement on PP-NRS.

Results:
--There was a significantly greater itch relief apparent by Day 2 (22.8% vs –12.3% PP NRS) which continued to improve through week 16.

--At week 16, PP NRS more than 4 point response of itch was observed in 68.0% nemolizumab vs 15.9% placebo patients . There was also a rapid improvement of sleep disturbance with nemolizumab 30 mg, with a significant separation from placebo by day 3 which further improved till week 16.

--Also for the EASI score a separation between groups in favor of nemolizumab was observed by week 1, which increased through week 16.

--Finally, the degree of response was greater in nemolizumab treated patients; clinically relevant reductions of 75% EASI were observed in 50.0% of nemolizumab patients versus 15.9% of placebo patients, while 90% reductions were reported for 36.0% and 6.8% of patients, respectively. IGA success (score of 0/1) was 32.0% for nemolizumab vs 6.8% for placebo.

Nemolizumab was safe and well-tolerated in this population; nasopharyngitis and upper respiratory tract infection were the most common adverse events. Conclusively, Nemolizumab resulted in very rapid, sustained improvements of inflammation, pruritus and sleep in patients with EASI more than 16 at baseline.

Source: https://onlinelibrary.wiley.com/doi/10.1111/jdv.17218?af=R
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