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Mucosal healing for predicting clinical outcome in patients with ulcerative colitis using thiopurines in monotherapy.
European Journal of Internal Medicine 2011 December
BACKGROUND: Mucosal healing (MH) has emerged as a desirable treatment goal for patients with ulcerative colitis (UC). Currently little is known about the efficacy of using thiopurine immunosuppressants in monotherapy to achieve and maintain long-term MH in UC. This study analyzes the efficacy and the clinical impact of MH in patients with UC responded to thiopurine immunosuppressants in the long term.
METHODS: An open, observational, cohort study in 20 patients with UC had been in clinical remission in monotherapy with thiopurine immunosuppressants for at least 1 year. MH was assessed by endoscopy. The patients according to the Mayo Endoscopic Score (0 vs 1 and 2), were followed until the end of the study or patient relapse. (according to Truelove and Witts criteria).
RESULTS: Mean treatment time was 5.4 years. Twelve (60%) patients presented a Mayo Endoscopic Score of 0. A total of 18 patients were followed up for a median of 27.1 months. After endoscopy, 4 patients (22.2%) presented relapse, with a mean time of 27.5 months for a score ≥1 (95% CI; 18.2-36.8) versus 54.3 months for a score=0 (95% CI 47.2-61.3) (p=0.032).
CONCLUSIONS: This study shows the efficacy of thiopurine immunosuppressants in achieving mucosal healing in patients who respond to thiopurine immunosuppressants in the long term. We also observe the presence of endoscopy activity is not a rare event in this group of patients and is a predictor of early relapse.
METHODS: An open, observational, cohort study in 20 patients with UC had been in clinical remission in monotherapy with thiopurine immunosuppressants for at least 1 year. MH was assessed by endoscopy. The patients according to the Mayo Endoscopic Score (0 vs 1 and 2), were followed until the end of the study or patient relapse. (according to Truelove and Witts criteria).
RESULTS: Mean treatment time was 5.4 years. Twelve (60%) patients presented a Mayo Endoscopic Score of 0. A total of 18 patients were followed up for a median of 27.1 months. After endoscopy, 4 patients (22.2%) presented relapse, with a mean time of 27.5 months for a score ≥1 (95% CI; 18.2-36.8) versus 54.3 months for a score=0 (95% CI 47.2-61.3) (p=0.032).
CONCLUSIONS: This study shows the efficacy of thiopurine immunosuppressants in achieving mucosal healing in patients who respond to thiopurine immunosuppressants in the long term. We also observe the presence of endoscopy activity is not a rare event in this group of patients and is a predictor of early relapse.
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