Meta‐analysis: the Efficacy of Therapeutic Drug Monitoring of Anti‐tnf‐therapy in Inflammatory Bowel Disease
Alimentary Pharmacology and Therapeutics(2022)
Abstract
Background and AimsThis systematic review and meta-analysis aimed to determine whether the use of therapeutic drug monitoring (TDM) in inflammatory bowel disease (IBD) patients on anti-tumour necrosis factor (anti-TNF) therapy results in improved rates of clinical and endoscopic remission, surgery, corticosteroid-free remission and hospitalisation. MethodsMEDLINE, EMBASE, EMBASE classic, PubMed, Cochrane central databases register of controlled trials and Cochrane Specialised Trials Register were searched between 01 Janurary 1946 and 08 April 2022. Randomised controlled trials (RCTs) and prospective and retrospective observational studies were included, comparing TDM to standard of care (SOC) or reactive vs. proactive TDM. Results were reported as pooled relative risks (RR) with 95% confidence intervals (95% CI). ResultsTwenty-six studies, including 9 RCTs, were included. Compared to SOC, proactive TDM was associated with a significantly decreased risk of treatment failure (RR 0.58, 95% CI 0.41-0.81), significant reduction in the need for surgery (RR 0.30, 95% CI 0.12-0.72), increase in clinical remission (RR 1.12, 95% CI 1.00-1.26), and a significant increase in endoscopic remission (RR 1.31 95% CI 1.08-1.58). Compared to reactive TDM, proactive TDM was associated with a significant decreased risk of treatment failure (RR 0.43, 95% CI 0.26-0.71) and a significant reduction in hospitalisation (RR 0.28, 95% CI 0.26-0.81). ConclusionsCompared to SOC, proactive TDM was associated with significant benefits in reducing treatment failure, surgical rates and improved endoscopic remission and response. Compared to reactive TDM, proactive TDM led to a significant reduction in hospitalisation and treatment failure. More studies with larger RCTs and standardised assays are needed to substantiate these results and validate the cost-effectiveness of TDM.
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Key words
biologics,IBD,meta-analysis,TDM,therapeutic drug monitoring
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