Peer-reviewed article
Emerald Touchless Sensor Quantifies Nighttime Scratching and Sleep Quality in Children With Atopic Dermatitis: PEDISTAD EMERALD Study.
Rubin CJ, Lee LW, Assa'ad A, Lara-Corrales I, Katabi D et al. ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This study tested whether a touchless sensor called Emerald can measure scratching and sleep problems in children aged 6-11 years with atopic dermatitis (a skin condition causing itching). Twenty children wore the sensor for 12 weeks at home. The sensor successfully detected links between scratching intensity and poor sleep, showing it could work in real homes without disturbing children.
Key points
- Strong correlation found between itch severity and delayed sleep onset (r=0.50, p=0.049)
- Scratching events per hour strongly correlated with poor sleep efficiency (r=-0.66, p=0.003)
- The touchless sensor successfully measured both scratching and sleep patterns in a home setting
- Study involved 20 children with moderate-to-severe atopic dermatitis aged 6-11 years
- Feasibility demonstrated for using this technology in future pediatric clinical trials
Limitations
This was a small feasibility study of only 20 children with no comparison group, so it cannot determine whether interventions actually reduce scratching or improve sleep. The study only demonstrates that the measurement tool works, not that any treatment is effective.
Abstract
Introduction In children with atopic dermatitis (AD), itch-related nighttime scratching is associated with significant sleep disturbances. The aim of this study is to report the feasibility of using the Emerald touchless sensor to quantify nighttime scratching and sleep patterns in pediatric patients. Methods PEDISTAD EMERALD (NCT05235724), an open-label, 12-week, exploratory study, included 20 pediatric patients with moderate-to-severe AD aged 6-11 years from the PEDISTAD registry (NCT03687359). The Emerald touchless sensor measures sleep onset and efficiency. Correlation analyses were performed between sleep onset and Peak Pruritus Numeric Rating Scale (PP-NRS), scratching events and time per hour and PP-NRS, and weekly averages of nightly scratching events per hour and sleep efficiency. Results We show strong statistically significant correlations between sleep onset and PP-NRS (Pearson correlation coefficient: r = 0.50; p = 0.049) and between scratching events per hour and sleep efficiency (r = - 0.66; p = 0.003). Additionally, we observed positive correlations between scratching events (r = 0.46; p = 0.076) and scratching time per hour (r = 0.43; p = 0.096) and PP-NRS that did not reach statistical significance. Conclusions The Emerald touchless sensor can provide objective measures of itch-related scratching and sleep disturbance in children with AD in a home setting, demonstrating its feasibility for use in pediatric clinical trials. Trial registration NCT05235724.
Findings the Hub has extracted
Each claim below is labelled by its type of design and links back to this report.
- Intervention
- Use of Emerald touchless sensor to objectively measure nighttime scratching events and sleep patterns in home setting
- Population
- 20 pediatric patients with moderate-to-severe atopic dermatitis aged 6-11 years
Key finding
Strong statistically significant correlation between sleep onset and itch severity (r=0.50, p=0.049)