Pain. 2025 Mar 13. doi: 10.1097/j.pain.0000000000003583. Online ahead of print.
ABSTRACT
Pain is the hallmark symptom of sickle cell disease (SCD). By adolescence, 20% of youth with SCD develop chronic SCD pain. Our randomized controlled trial found significant reductions in pain in youth receiving digital cognitive-behavioral therapy (CBT) vs education control. However, little is known about factors that moderate the effects of CBT in adolescents with SCD. This secondary data analysis aims to identify adolescent and family characteristics that moderate treatment effects on pain outcomes in 111 adolescents aged 12 to 18 with SCD (M = 14.9, SD = 1.9, girls = 59%) and their caregivers. Adolescents were randomly assigned to digital CBT (N = 57) or education control (N = 54). Digital CBT included separate content for parents/caregivers (ie, a website to learn problem-solving skills and behavioral and communication strategies) and youths (ie, a smartphone app and website to learn pain management skills). Outcomes were assessed at pretreatment, posttreatment (2 months), and follow-up (6 months). Potential moderators included pretreatment variables (ie, adolescent variables: age, executive functioning, anxiety, depression; parent variables: psychological distress, protective behaviors, family functioning). There was a significant overall effect modification on pain intensity outcomes from pretreatment parent psychological distress (P = 0.012), where CBT appeared more effective among those with elevated parental distress. Differential intervention effects were observed across multiple potential moderator groups, though most of these differences did not reach statistical significance. Our study underscores the importance of family factors in understanding the efficacy of digital CBT for adolescent SCD pain, pointing to the need for future research to optimize CBT through targeted family-focused strategies.
PMID:40085012 | DOI:10.1097/j.pain.0000000000003583
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