| IBD | Inflammatory bowel diseases |
| CD | Crohn’s disease |
| UC | Ulcerative colitis |
| STRIDE | Selecting Therapeutic Targets in Inflammatory Bowel Disease |
| FC | Fecal calprotectin |
| T2T | Treat-to-target |
| RHI | Robarts histopathology index |
| NHI | Nancy histopathology index |
| GS | Geboes score |
| ECCO | European Crohn’s Colitis Organisation |
| GHAS | Global Histological Activity Score |
| FDA | Food and Drug Administration’s |
| EMA | European Medicines Agency |
| MES | Mayo endoscopic subscore |
| RCT | Randomized controlled trial |
| VERDICT | actiVE ulcerative colitis, a RanDomIsed Controlled Trial |
| CSF | Corticosteroid free |
| ASUC | Acute severe ulcerative colitis |