Abstract
Background
The decision to withdraw anti-tumor necrosis factor (anti-TNF) therapy in patients with inflammatory bowel disease (IBD) remains controversial, especially in the developing world, where its long-term use is restrained by side effects and prohibitive cost. Present study evaluated the relapse rate and its predictors following anti-TNF withdrawal in a cohort of IBD patients from northern India.
Methods
Patients with IBD who received anti-TNF therapy (induction and beyond), and were under follow-up at All India Institute of Medical Sciences, New Delhi, from January 2005 to July 2018 were included. Demographic features, disease characteristics, duration, response to anti-TNF therapy, and relapse rate after its withdrawal were analyzed.
Results
Among 4600 patients with IBD under follow-up, 90 (1.9%) received anti-TNF therapy, of whom 11 were excluded (8—complete records unavailable; 3—received only single dose). Of 79 patients (mean age—40.1 ± 14.2 years; 53.2% males; 31 [39.2%] ulcerative colitis, 47 [59.5%] Crohn’s disease; median follow-up—24 [12–39] months), 9 (11.4%) were primary non-responders, 19 (24.1%) had secondary loss of response, and 51 (64.5%) maintained clinical response on anti-TNF. Anti-TNF was withdrawn in 45 (57%) patients (major causes: financial burden—16.5%; tubercular reactivation—12.7%), of whom 33 were in clinical remission. Over a median follow-up of 26 (7.5–45) months, 15 patients (45.5%) relapsed. Most of them responded to antibiotics, steroids, or anti-TNF agents; only 3 required surgery. On Kaplan-Meier analysis, long disease duration prior to therapy was a significant predictor of relapse (hazard ratio [HR] = 1.33, p = 0.034).
Conclusion
Almost 50% patients with IBD in clinical remission relapse within a year of anti-TNF withdrawal. However, most of these patients have a favorable disease course and respond to medical therapy.
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Acknowledgments
This study was part of a project under Indian Council of Medical Research-Centre for Advanced Research in Intestinal diseases.
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Conceptualization: Vineet Ahuja, Saurabh Kedia. Methodology: Vineet Ahuja, Saurabh Kedia, Govind Makharia. Formal analysis: Saurabh Kedia, Pabitra Sahu. Funding acquisition: None. Project administration: Vineet Ahuja. Visualization: Vineet Ahuja, Saurabh Kedia. Writing–Pabitra Sahu, Saurabh Kedia, Vineet Ahuja; Writing—review and editing: Vineet Ahuja, Saurabh Kedia, Raju Sharma, Prasenjit Das, Ashish Agarwal, Saransh Jain, Sudheer K Vuyyuru, Bhaskar Kante, Sawan Bopanna. Approval of final manuscript: all authors.
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PS, SKV, BK, AA, RS, PD, RP, SJ, SB, GM, SK, and VA declare that they have no conflict of interest.
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Research done in: Department of Gastroenterology and Human Nutrition Unit, All India Institute of Medical Sciences, New Delhi 110 029, India.
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Sahu, P., Vuyyuru, S.K., Kante, B. et al. Relapse rate following withdrawal of anti-TNF therapy in patients with inflammatory bowel disease: A real-life cohort from northern India. Indian J Gastroenterol 39, 388–397 (2020). https://doi.org/10.1007/s12664-020-01043-w
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DOI: https://doi.org/10.1007/s12664-020-01043-w