GCG and inflammatory bowel disease: On the other hand, Levine et al. [60] found no statistical differences in the rates of IBD exacerbation (i.e., IBD-related hospitalisation, corticosteroid prescription, medication escalation or changes, or surgery) when comparing the 12 months before and the 12 months post-GLP-1 RAs initiation in a cohort of 224 IBD patients.