Proactive Therapeutic Drug Monitoring is Routine Part of Pediatric IBD Care Plus SNL Humor

RJ Colman et al. Crohn’s & Colitis 360, Volume 7, Issue 3, July 2025, otaf050https://doi.org/10.1093/crocol/otaf050. Open Access! Therapeutic Drug Monitoring in Pediatric Inflammatory Bowel Disease: A Nationwide Survey of Anti-TNF Therapy Practices, Attitudes, and Barriers 

Methods: A 28-item survey of therapeutic drug monitoring (TDM) was deployed through the ImproveCareNow Learning Health System Network between February and June 2023.

Key findings:

  • Among 380 invitees, 256 (77%) completed the questionnaire. Among respondents, 67% (171) were academic-affiliates
  • In contrast to the adult literature, most pediatric gastroenterologists report undertaking proactive TDM for anti-TNF agents in IBD management
  • TDM: All 256 respondents reported using TDM for infliximab, while 252 (98%) used TDM for adalimumab (ADL)
  • Proactive TDM: Proactive TDM was more common for infliximab 98% (205/256) compared to ADL 92% (232/252; P = .0007)
  • Overall, 61% (156/255) of respondents reported that they experienced barriers in undertaking TDM. Insurance denial (50%) and cost (31%) were the 2 most commonly reported barriers
Frequency of therapeutic drug monitoring use stratified by anti-TNF agent.

Limitation: Only surveyed practitioners in ICN. However, “approximately 65% of US pediatric gastroenterologists practice within ICN-affiliated institutions, [thus] our findings likely reflect national trends.”

My take (borrowed from authors): “Proactive TDM, is a widely practiced strategy, and represents the current standard of care among pediatric gastroenterologists in the United States.” 

How to explain a complication with Will Ferrell, YouTube Link: SNL Post-Op (5 minutes)

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