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Safety of resuming tumour necrosis factor inhibitors in patients who developed tuberculosis as a complication of previous TNF inhibitors

You Jae Kim, Yong-Gil Kim, Tae Sun Shim, Bon San Koo, Seokchan Hong, Chang-Keun Lee, Bin Yoo
Rheumatology 2014, 53 (8): 1477-81
24681840

OBJECTIVES: There is no consensus on whether restarting TNF inhibitors (TNFis) after treatment of an active tuberculosis (TB) infection caused by previous TNFi exposure is safe. In this study we sought to determine the safety of resuming TNFis in patients following TB treatment.

METHODS: The medical records of all patients (n = 683) that received TNFi treatment at a single rheumatology clinic between June 2003 and December 2012 were retrospectively reviewed. Among them, data from patients who developed active TB infection were collected and patient outcomes were evaluated for those who resumed TNFis after TB treatment.

RESULTS: Of 683 patients, 13 patients developed an active TB infection during TNFi treatment (4 on etanercept, 4 on adalimumab and 5 on infliximab). The median duration of TNFi treatment before TB infection was 20 months. TNFi treatment was reinitiated in six patients: four within 2 months after TB treatment and two after completion of TB treatment. Four patients reinitiated with the same TNFi, whereas two patients started with another TNFi. During a mean follow-up of 30.6 months, all six patients successfully completed TB treatment with no TB infection relapses.

CONCLUSION: Our results suggest that resuming TNFi therapy in patients following adequate TB treatment is safe, even before completion of TB treatment.

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