Trial reportAdvances in therapy2026
Symptom Response Dynamics for Personalised Therapy with Subcutaneous Infliximab in Crohn's Disease: Insights from the Randomised, Placebo-Controlled, Phase 3 LIBERTY-CD Trial.
Trial report in Advances in therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03945019 (A Randomized, Placebo-Controlled, Double-Blind, Phase 3 Study to Evaluate the Efficacy and Safety of the Subcutaneous Injection of CT-P13), which is not on this map. Not yet cited in PubMed.
What it found
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The trial behind it
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A Randomized, Placebo-Controlled, Double-Blind, Phase 3 Study to Evaluate the Efficacy and Safety of the Subcutaneous Injection of CT-P13 (CT-P13 SC) as Maintenance Therapy in Patients With Moderately to Severely Active Crohn's Disease
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Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
introductionThe LIBERTY-CD study demonstrated superior efficacy of subcutaneous infliximab-dyyb over placebo for maintenance therapy in patients with Crohn's disease. This post hoc analysis characterised subgroups of patients with different response levels to subcutaneous infliximab.
methodsGroup-based trajectory modelling was conducted to deconvolute cohort-level data into individual response trajectories based on longitudinal patient-reported outcomes. Potential predictors of subcutaneous infliximab response were explored using multivariable analyses. Subgroups were compared for clinical, endoscopic, biochemical, and health-related quality of life outcomes; comprehensive disease control (achieving composite endpoints) at week 54; pre-dose serum infliximab levels; and safety.
resultsFour distinct subgroups of patients were identified: super-responders (rapid and high sustained improvement); fast responders; slow responders; and limited responders (partial improvement). In multivariable analyses, lower baseline body mass index (p = 0.022) and pre-dose serum infliximab levels ≥ 14 μg/ml at week 10 (p = 0.003) were associated with a super-response. At week 54, super-responders showed the highest rates of clinical remission (80.3%; p = 0.002), endoscopic response (63.9%; p = 0.009), health-related quality of life remission (72.1%; p = 0.0002), corticosteroid-free remission (59.1%; p = 0.007), and comprehensive disease control achievement (27.9%; p = 0.014) versus other trajectories. Among groups, super-responders maintained the highest pre-dose serum infliximab levels from week 10. Comparable overall safety profiles were observed across groups.
conclusionDistinct subpopulations with varying responses to infliximab were identified by group-based trajectory modelling using longitudinal symptom data, which may support the development of personalised therapy. Super-responders with rapid and sustained improvements during infliximab therapy were more likely to achieve desirable long-term outcomes.
trial registrationClinicalTrials. gov identifier, NCT03945019 (08 May 2019).
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