Background Biological therapies have changed the landscape of pharmacological management of ulcerative colitis (UC). However, a large proportion of patients do not respond to biologics, lose their response over time or present adverse drug events. This study aims to assess therapeutic response and treatment persistence to adalimumab, infliximab and vedolizumab, three agents widely used in a tertiary referral centre of Saguenay-Lac-Saint-Jean (Quebec, Canada). Methods We conducted a retrospective population-based study with a thorough review of patient’s medical charts. Adults at UC diagnosis, with current or past use of adalimumab, infliximab or vedolizumab were included in the study. Clinical data were collected in order to assess response phenotypes and persistence to treatment. Kaplan Meier curves were performed to assess treatment persistence and predictors for discontinuation were assessed using Cox regression analyses. Results A total of 134 patients were included in this study. For the cases exposed to adalimumab, infliximab and vedolizumab, 56.9%, 62.5% and 47.5% were responders, respectively. Median persistence rates (95% CI) were 8.0 (3.3-12.8), 13.4 (9.3-17.5) and 3.4 (1.0-5.8) years for adalimumab, infliximab and vedolizumab, respectively. Increased persistence rates were observed in biologic-naïve in comparison to biologic-experienced patients treated with infliximab, but no such effect was observed for adalimumab or vedolizumab. Overall, 61.9% of cases had adverse drug events and of these, six lead to treatment discontinuation. Conclusion This study presents long-term treatment persistence data with adalimumab, infliximab and vedolizumab showing that more than half of cases treated with these biologics remained on treatment at least 12 months after initiation.
Background and Aims. Drugs are considered a relatively rare and understudied cause of acute pancreatitis (AP). The lack of convincing and conclusive data on drug-induced AP (DIAP) complicates the diagnosis as well as the identification of the causative drug. The aim of this study is to document causes of DIAP cases that occurred in the Saguenay-Lac-Saint-Jean (SLSJ) population. Methods. We have conducted a retrospective and descriptive population-based study of DIAP cases that occurred between 2006 and 2014 in the six hospitals serving the entire SLSJ population. Cases were selected from the Quebec Ministry of Health hospitalizations registry (MED-ECHO) administrative public database. A medical chart review was performed in an attempt to characterize DIAP hospitalizations and to identify the imputable drugs. Results. During the studied period, 75 cases (30.7% male, 69.3% female) were included totaling 90 hospitalizations for DIAP. Among them, 50 causative drugs were identified and were distributed in 17 different drug classes. Recurrent DIAPs were documented in 13 cases, and among them, 6 cases have experimented a positive rechallenge. Six drugs (5-fluorouracil, atorvastatin, bortezomib, nilotinib, rosuvastatin, and triamcinolone) were associated with the highest degree of evidence. The most common causative drugs of DIAP hospitalization were azathioprine (n = 7), followed by atorvastatin (n = 6), hydrochlorothiazide (n = 5), rosuvastatin (n = 4), and codeine (n = 4). Conclusions. This study has added new evidences about potentially pancreatitis-associated drugs in literature. This is the first study to report definite 5-fluorouracil- and triamcinolone-induced AP. An updated version of the evidence-based literature review is needed to support the clinicians in the identification of the causative drugs.
Background Drugs are considered a relatively rare and understudied cause of acute pancreatitis (AP). The lack of convincing and conclusive data on drug-induced AP (DIAP) complicates the diagnosis as well as the identification of the causative drug. Aims We hypothesized that documenting the causes of DIAP in the Saguenay-Lac-Saint-Jean (SLSJ) will add new evidence to the current literature and will provide a comprehensive picture of this health condition in the region. The aim of this study is to document causes of DIAP cases that occurred in the SLSJ population. Methods We have conducted a retrospective and descriptive population-based study of DIAP cases that occurred between 2006 and 2014 in the six hospitals deserving the SLSJ entire population. Cases were selected from the Quebec Ministry of Health hospitalizations registry (MED-ECHO) administrative public database. Medical chart review was performed in attempt to characterize DIAP hospitalizations and to identify the imputable drugs. Results During the studied period, 75 cases (30.7% male, 69.3% female) were included totalling 90 hospitalizations for DIAP. Among them, 51 causative drugs were identified and were distributed in 17 different drug classes. Recurrent DIAP were documented in 13 cases and among them, 6 cases have experimented positive rechallenge. Six drugs (5-fluorouracil, atorvastatin, bortezomib, nilotinib, rosuvastatin and triamcinolone) were associated with the highest degree of evidence. The most common causative drugs of DIAP hospitalization were azathioprine (n = 7), followed by atorvastatin (n =6), hydrochlorothiazide (n = 5), rosuvastatin (n = 4) and codeine (n = 4). Conclusions This study has added new evidences about potentially pancreatitis-associated drugs in literature. This is the first study to report definite 5-fluorouracil and triamcinolone-induced AP. An updated version of the evidence-based literature review is needed to support the clinicians in the identification of the causative drugs. Funding Agencies None
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