Real-world use of therapeutic drug monitoring of CT-P13 in patients with inflammatory bowel disease: A 12-month prospective observational cohort study.

Abstract

BACKGROUND:

Whether therapeutic drug monitoring (TDM) of infliximab should be implemented in daily practice is an ongoing controversy.

AIMS:

To assess the real-world use of TDM in an observational multicentre cohort study with consecutive patients with inflammatory bowel disease (IBD) treated with CT-P13.

METHODS:

Between September 2015 and December 2016, 364 patients with IBD were treated with CT-P13 in 13 gastroenterology departments and were followed up for 54 weeks. Disease activity, CT-P13 trough concentration and anti-CT-P13 antibody (ACA) were recorded.

RESULTS:

Steroid-free clinical remission rates at week 54 were 67.0% and 56.4% in patients with CD and UC, respectively. CT-P13 trough concentrations were measured in 70.7% of the patients. The mean CT-P13 trough concentration was 4.2±4.3μg/mL. The presence of ACA was observed in 53 (15.9%) patients. CT-P13 trough concentration was collected in a proactive approach in 62.8% of cases and in a reactive approach in 37.2%. Among patients who submitted to TDM, CT-P13 therapy was optimized in 88.7% of the reactive group and in 22.5% of the proactive group (P<0.001).

CONCLUSION:

In a real-world cohort of patients with IBD treated with CT-P13, more than two-thirds of the patients underwent TDM. CT-P13 optimization was much less common in the proactive approach than in the reactive approach.

• Authors: Nicolas Petitdidier, Laurent Beaugerie, Franck Carbonnel, Anne Bourrier, Xavier Treton, Sylvie Rajca, Georgia Malamut, Vered Abitbol, Matthieu Allez, Anne-Laure Pelletier, Lysiane Marthey, Pauline Jouet, Robert Benamouzig, Xavier Amiot, Yoram Bouhnik, Aurelien Amiot
• Journal: Clinics and research in hepatology and gastroenterology (Clin Res Hepatol Gastroenterol) Vol. 44 Issue 4 Pg. 609-618 (09 2020) ISSN: 2210-741X [Electronic] France
• PMID: 31924554 (Publication Type: Journal Article, Observational Study)
• Copyright: Copyright © 2019 Elsevier Masson SAS. All rights reserved.

Chemical References

• Antibodies, Monoclonal
• CT-P13

Topics

• Adult
• Antibodies, Monoclonal (therapeutic use)
• Cohort Studies
• Drug Monitoring
• Female
• Humans
• Inflammatory Bowel Diseases (drug therapy)
• Male
• Middle Aged
• Prospective Studies
• Time Factors