Comparing the Efficacy and Safety of Adalimumab and Vedolizumab in Treating Moderate to Severe Crohn's Disease and Ulcerative Colitis

Nooraldin Merza, Yusuf Nawras, Omar Saab, Dushyant Singh Dahiya, Zohaib Ahmed, Meghana Ranabothu, Safa Boujemaa, Mona Hassan, Abdallah Kobeissy, Kirthi Lilley


Background: Numerous patients with inflammatory bowel disease (IBD) do not respond to conventional or biological therapy. Adalimumab (ADA) and vedolizumab (VDZ), according to certain research, may be a useful alternative treatment for these people. The purpose of this study was to assess the effectiveness and safety of using ADA and VDZ to treat moderate to severe IBD: Crohns disease (CD) and ulcerative colitis (UC).

Methods: We searched PubMed, Medline, Web of Science, Scopus, the Cochrane Library, Embase, Google Scholar, CINAHL,, and WHO trials registry (ICTRP). Randomized controlled trials (RCTs) comparing ADA or VDZ with placebo in participants with active CD or UC were included. The primary outcomes were the clinical response and remission at induction and maintenance phases and mucosal healing. The secondary outcome was the incidence of profound negative events. The research used Comprehensive Meta-Analysis version 3 (Biostat Inc., USA).

Results: Eighteen RCTs were incorporated, in which 11 studies described the usefulness and safeness of ADA or VDZ in CD patients, and seven studies investigated the efficacy and safety of ADA or VDZ in UC patients. The meta-analysis revealed that both ADA and VDZ treatments were superior to placebo for producing clinical remission and eliciting clinical response at induction and maintenance phases in individuals with moderately to severely active CD or UC. Interestingly, we found that ADA was superior to VDZ as first-line treatment for patients with CD, but not UC.

Conclusion: ADA and VDZ are effective and safe in CD and UC patients. However, RCTs of a larger number of patients are still required for better assessing the safety profile of ADA and VDZ.

Gastroenterol Res. 2023;16(6):289-306


Inflammatory bowel disease; Crohn's disease; Ulcerative colitis; Vedolizumab; Adalimumab; PRISMA

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