Abstract
Objectives
(a) To evaluate the diagnostic accuracy of anti-TNF trough levels to predict mucosal healing in inflammatory bowel disease (IBD); (b) to determine the best cut-off point to predict mucosal healing in IBD patients treated with anti-TNF.
Methods
This is a multicenter, prospective study. IBD patients under anti-TNF treatment for at least 6 months that had to undergo an endoscopy were included. Mucosal healing was defined as: Simple endoscopic score for Crohn’s Disease < 3 for Crohn’s disease (CD), Rutgeerts score < i2 for CD in postoperative setting, or Mayo endoscopic score ≤ 1 for ulcerative colitis (UC). Anti-TNF concentrations were measured using SMART ELISAs at trough.
Results
A total of 182 patients were included. Anti-TNF trough levels were significantly higher among patients that had mucosal healing than among those who did not. The area under the curve of infliximab for mucosal healing was 0.63 (best cutoff value 3.4 μg/mL), and for adalimumab 0.60 (best cutoff value 7.2 μg/mL). In the multivariate analysis, having anti-TNF drug levels above the cutoff values [odds ratio (OR) 3.1]) and having UC instead of CD (OR 4) were associated with a higher probability of having mucosal healing. Additionally, the need for an escalated dosage (OR 0.2) and current smoking habit (OR 0.2) were also associated with a lower probability of mucosal healing.
Conclusions
There was an association between anti-TNF trough levels and mucosal healing in IBD patients; however, the accuracy of the determination of infliximab and adalimumab concentrations able to predict mucosal healing was suboptimal.
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Abbreviations
- IBD:
-
Inflammatory bowel disease
- CD:
-
Crohn’s disease
- UC:
-
Ulcerative colitis
- OR:
-
Odds ratio
- anti-TNF:
-
Anti-tumor necrosis factor
- SD:
-
Standard deviation
- 95% CI:
-
95% confidence interval
- ROC:
-
Receiver operating characteristic curve
- AUC:
-
Area under the curve
- PPV:
-
Positive predictive value
- NPV:
-
Negative predictive value
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Acknowledgments
The authors wish to thank Sanquin for analyzing serum samples.
Funding
This research was funded by grants from the Instituto de Salud Carlos III (FIS.12/02557 and PI13/00041) and the Ministerio de Economía (SAF2014-56642-JIN) from the Spanish Government.
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M. Chaparro and J.P. Gisbert conceived and designed this study. All the authors participated in the collection of data and samples of patients. M. Chaparro and J.P. Gisbert analyzed and interpreted the results and wrote the manuscript. All the authors critically reviewed the manuscript, and have read and approved the final version of the manuscript.
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Conflict of interest
María Chaparro has served as a speaker, or has received research or education funding from MSD, AbbVie, Hospira, Pfizer, Takeda, Janssen, Ferring, Shire Pharmaceuticals, Dr. Falk Pharma, and Tillotts Pharma. Manuel Barreiro-de Acosta has served as a speaker, has served as a consultant and advisory member for, or has received research funding from MSD, AbbVie, Hospira, Takeda, Janssen, Kern, Ferring, Faes Farma, Shire Pharmaceuticals, Dr. Falk Pharma, Chiesi, Gebro Pharma, Otsuka Pharmaceuticals, and Tillotts Pharma. Maribel Vera has served as speaker for Pfizer and a consultant and advisory member for Kern Pharma. Iván Guerra has served as speaker for Pfizer and a consultant and advisory member for Kern Pharma. Carlos Taxonera has served as a speaker, or a consultant and advisory member for MSD, AbbVie, Hospira, Pfizer, Takeda, Janssen, Ferring, Faes Farma, Shire Pharmaceuticals, Dr. Falk Pharma, and Gebro Pharma. Xavier Calvet has received grants for research from Abbott, MSD, Vifor fees for advisory boards form Abbott, MSD, Takeda and Vifor and has given lectures for Abbott, MSD, Takeda, Shire and Allergan. Rocío Ferreiro-Iglesias has served as a speaker for AbbVie, Shire y MSD. Javier P. Gisbert has served as a speaker, has served as a consultant and advisory member for, or has received research funding from MSD, AbbVie, Hospira, Pfizer, Kern Pharma, Biogen, Takeda, Janssen, Roche, Celgene, Ferring, Faes Farma, Shire Pharmaceuticals, Dr. Falk Pharma, Tillotts Pharma, Chiesi, Casen Fleet, Gebro Pharma, Otsuka Pharmaceutical, Vifor Pharma. The remaining authors declare that they have no conflict of interest.
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María Chaparro and Javier P. Gisbert are both the guarantors of the article.
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Chaparro, M., Barreiro-de Acosta, M., Echarri, A. et al. Correlation Between Anti-TNF Serum Levels and Endoscopic Inflammation in Inflammatory Bowel Disease Patients. Dig Dis Sci 64, 846–854 (2019). https://doi.org/10.1007/s10620-018-5362-3
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DOI: https://doi.org/10.1007/s10620-018-5362-3