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Item Clinical Outcome Assessments in Pediatric Patients With Ulcerative Colitis and Crohn's Disease Receiving Biologics: A Retrospective Cohort Study(Oxford University Press, 2022-03-18) Hunter, Theresa; Komocsar, Wendy J.; Liu, Chunyan; Colletti, Richard B.; Steiner, Steven J.; Dotson, Jennifer L.; Benkov, Keith; Zhang, Nanhua; Crandall, Wallace; Pediatrics, School of MedicineBackground: To assess disease activity, steroid-free remission, and other clinical outcome assessments among pediatric patients with ulcerative colitis (UC) and Crohn's disease (CD) in the ImproveCareNow (ICN) registry. Methods: Patients aged 2-17 years diagnosed with UC or CD between June 1, 2013 and December 31, 2019 were enrolled if they initiated a biologic after enrollment in the ICN registry and completed at least 12 months follow-up after first maintenance dose. Baseline (at biologic initiation) demographics were summarized using descriptive statistics. Pediatric UC Activity Index (PUCAI), partial Mayo score, and Physician Global Assessment (PGA) were assessed for UC; and the Short Pediatric Crohn's Disease Activity Index (sPCDAI) and PGA were assessed for CD at first maintenance dose, 1- and 3-year time points. Kappa coefficients were used to assess the level of agreement between the outcome measures. Results: A total of 1887 patients (UC = 350; CD = 1537) were included. Baseline demographics were similar across groups. For UC patients, mean PUCAI scores decreased and the proportion of patients in steroid-free remission, quiescent state based on PGA, and remission based on partial Mayo score increased from first maintenance dose to 1 and 3 years. For CD patients, mean sPCDAI score of CD patients decreased and the proportion of patients in steroid-free remission by sPCDAI and in quiescent state based on PGA increased from first maintenance dose to 1 and 3 years. Kappa coefficients showed only modest correlation between disease activity assessments. Conclusions: Disease activity scores improved over time, with more pediatric patients with UC and CD achieving steroid-free remission at 1 and 3 years after first biologic maintenance dose.Item Comparative Effectiveness of Anti-TNF in Combination With Low-Dose Methotrexate vs Anti-TNF Monotherapy in Pediatric Crohn's Disease: A Pragmatic Randomized Trial(Elsevier, 2023-07) Kappelman, Michael D.; Wohl, David A.; Herfarth, Hans H.; Firestine, Ann M.; Adler, Jeremy; Ammoury, Rana F.; Aronow, Jeanine E.; Bass, Dorsey M.; Bass, Julie A.; Benkov, Keith; Berenblum Tobi, Catalina; Boccieri, Margie E.; Boyle, Brendan M.; Brinkman, William B.; Cabera, Jose M.; Chun, Kelly; Colletti, Richard B.; Dodds, Cassandra M.; Dorsey, Jill M.; Ebach, Dawn R.; Entrena, Edurne; Forrest, Christopher B.; Galanko, Joseph A.; Grunow, John E.; Gulati, Ajay S.; Ivanova, Anastasia; Jester, Traci W.; Kaplan, Jess L.; Kugathasan, Subra; Kusek, Mark E.; Leibowitz, Ian H.; Linville, Tiffany M.; Lipstein, Ellen A.; Margolis, Peter A.; Minar, Phillip; Molle-Rios, Zarela; Moses, Jonathan; Olano, Kelly K.; Osaba, Lourdes; Palomo, Pablo J.; Pappa, Helen; Park, K. T.; Pashankar, Dinesh S.; Pitch, Lisa; Robinson, Michelle; Samson, Charles M.; Sandberg, Kelly C.; Schuchard, Julia R.; Seid, Michael; Shelly, Kimberly A.; Steiner, Steven J.; Strople, Jennifer A.; Sullivan, Jillian S.; Tung, Jeanne; Wali, Prateek; Zikry, Michael; Weinberger, Morris; Saeed, Shehzad A.; Bousvaros, Athos; Medicine, School of MedicineBackground & Aims Tumor necrosis factor inhibitors, including infliximab and adalimumab, are a mainstay of pediatric Crohn’s disease therapy; however, nonresponse and loss of response are common. As combination therapy with methotrexate may improve response, we performed a multicenter, randomized, double-blind, placebo-controlled pragmatic trial to compare tumor necrosis factor inhibitors with oral methotrexate to tumor necrosis factor inhibitor monotherapy. Methods Patients with pediatric Crohn’s disease initiating infliximab or adalimumab were randomized in 1:1 allocation to methotrexate or placebo and followed for 12–36 months. The primary outcome was a composite indicator of treatment failure. Secondary outcomes included anti-drug antibodies and patient-reported outcomes of pain interference and fatigue. Adverse events (AEs) and serious AEs (SAEs) were collected. Results Of 297 participants (mean age, 13.9 years, 35% were female), 156 were assigned to methotrexate (110 infliximab initiators and 46 adalimumab initiators) and 141 to placebo (102 infliximab initiators and 39 adalimumab initiators). In the overall population, time to treatment failure did not differ by study arm (hazard ratio, 0.69; 95% CI, 0.45–1.05). Among infliximab initiators, there were no differences between combination and monotherapy (hazard ratio, 0.93; 95% CI, 0.55–1.56). Among adalimumab initiators, combination therapy was associated with longer time to treatment failure (hazard ratio, 0.40; 95% CI, 0.19–0.81). A trend toward lower anti-drug antibody development in the combination therapy arm was not significant (infliximab: odds ratio, 0.72; 95% CI, 0.49–1.07; adalimumab: odds ratio, 0.71; 95% CI, 0.24–2.07). No differences in patient-reported outcomes were observed. Combination therapy resulted in more AEs but fewer SAEs. Conclusions Among adalimumab but not infliximab initiators, patients with pediatric Crohn’s disease treated with methotrexate combination therapy experienced a 2-fold reduction in treatment failure with a tolerable safety profile. ClinicalTrials.gov, Number: NCT02772965.