Publications by authors named "F Crouwel"

Article Synopsis
  • This study looked at how safe the medicine allopurinol is for pregnant women, especially those with a condition called inflammatory bowel disease (IBD).
  • Researchers gathered data from 42 pregnancies where mothers took allopurinol and found some complications, like miscarriages and a baby born with a heart issue.
  • Overall, the findings suggest that allopurinol might not significantly increase the risk of birth defects in babies born to mothers with IBD who took this medicine.
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Thiopurine treatment is regularly complicated by drug-induced liver injury. It has been suggested that oxidative stress may play a synergistic role. To assess whether thiopurine-induced liver injury coincides with increased oxidative stress and whether co-administration with N-acetylcysteine is protective, we performed a randomized open label crossover pilot study in inflammatory bowel disease patients with thiopurine-induced increased serum liver tests.

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Background: Currently thioguanine is solely used as treatment for inflammatory bowel disease after azathioprine and/or mercaptopurine failure. This study aimed to determine the safety, effectiveness, and 12-month drug survival of thioguanine in thiopurine-naïve patients with inflammatory bowel disease.

Methods: A retrospective cohort study was performed in thiopurine-naïve patients with inflammatory bowel disease treated with thioguanine as first thiopurine derivate.

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Background: Safety of thioguanine in pregnant patients with inflammatory bowel disease [IBD] is sparsely recorded. This study was aimed to document the safety of thioguanine during pregnancy and birth.

Methods: In this multicentre case series, IBD patients treated with thioguanine during pregnancy were included.

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Background: Home use of a buffer-containing extraction device for fecal calprotectin determination can bypass the labor-intensive extraction procedure and potentially prevent degradation at room temperature.

Methods: In this prospective cross-sectional observational study, 2 CALiaGold tubes (extraction device) and one native tube were filled from the same bowel movement by patients with inflammatory bowel disease. Afterwards patients completed a questionnaire including whether they preferred the extraction device or the normal sampling method.

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