Association of Parkinson's disease and treatment with aminosalicylates in inflammatory bowel disease: a cross-sectional study in a Spain drug dispensation records.

Objectives: To analyse the association between aminosalicylate-treated inflammatory bowel disease (IBD) and Parkinson's disease (PD) at population level.

Design: Cross-sectional study.

Setting: The study was performed based on electronic drug prescription and dispensation records of the Andalusian Public Health System.

Prognosis of Patients with Ulcerative Colitis in Sustained Remission After Thiopurines Withdrawal.

Background: The ideal length of treatment with thiopurines in patients with ulcerative colitis (UC) in sustained remission remains unknown. It is widely accepted that the drug withdrawal is associated with a worse outcome. The aim of this study was to analyze the outcome after this withdrawal and to identify predictors of relapse.