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Erschienen in:
05.12.2017 | Original Article
Fourteen-Year Anti-TNF Therapy in Crohn’s Disease Patients: Clinical Characteristics and Predictive Factors
Erschienen in: Digestive Diseases and Sciences | Ausgabe 1/2018
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Background
Crohn’s disease (CD) is an intractable disease that requires long-term treatment. Tumor necrosis factor (TNF) inhibitors have strong efficacy and are widely used for CD treatment. However, a loss of response is one of the issues in long-term TNF therapy. To identify the factors affecting the efficacy of long-term CD treatment with TNF inhibitors, we conducted a retrospective study of treatment outcomes and clinical factors using clinical data over a 14-year period.
Methods
Clinical characteristics and factors for surgery, hospitalization, and TNF inhibitor treatment discontinuation were examined in 219 biologic-naïve patients who were treated with TNF inhibitors at our hospital before October 2014.
Results
Treatment persistence rates with no hospitalization, surgery, or dose escalation were 60.7, 25.9, and 17.3% for 1, 5, and 10 years, respectively; these rates did not differ between infliximab (IFX) and adalimumab. In patients receiving IFX dose escalation, 1- and 5-year persistence rates were approximately 90.4 and 65.1%, respectively. Previous surgery (OR = 1.45, P = 0.043) was identified as a risk factor for surgery, male sex (OR = 0.70, P = 0.044) and previous surgery (OR = 1.51, P = 0.03) were risk factors for hospitalization, and perianal fistula (OR = 1.39, P = 0.049) was the risk factor for TNF inhibitor treatment discontinuation.
Conclusions
The durability of anti-TNF therapy in CD patients remains a problem, and treatment optimization that includes dose escalation should be carefully examined depending on patient characteristics and the timing of optimization.