Safety and efficacy of advanced combination therapies for treating inflammatory bowel disease in adults: a systematic review and meta-analysis - Report - MDSpire

Safety and efficacy of advanced combination therapies for treating inflammatory bowel disease in adults: a systematic review and meta-analysis

  • By

  • Shellie Radford

  • Daniel Arruda Navarro Albuquerque

  • Zara Najeeb

  • Debangsh Agarwal

  • Anoop John

  • Morris Gordon

  • Vassiliki Sinopoulou

  • Gordon Moran

  • June 11, 2026

  • 0 min

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Clinical Report: Evaluating the Safety and Effectiveness of Advanced Combination Treatments for Adult Inflammatory Bowel Disease

Overview

This systematic review and meta-analysis evaluates the safety of advanced combination therapy (ACT) in adults with inflammatory bowel disease (IBD), revealing low rates of serious adverse events (SAEs) and treatment discontinuations.

Background

Inflammatory bowel disease (IBD) presents significant challenges in treatment, with high rates of treatment failure and a complex patient population. Advanced combination therapies (ACTs) are increasingly utilized in refractory cases.

Data Highlights

OutcomeRate (%)95% CI
Serious Adverse Events (SAEs) for anti-TNFa plus integrin inhibitors2.70.22 to 6.86
Treatment Discontinuations6.382.36 to 11.58

Key Findings

  • Fifty-two studies with 2022 participants were included in the analysis.
  • The most common combinations were anti-TNFa plus integrin inhibitors and IL-23 plus integrin inhibitors.
  • Pooled analyses indicated low rates of SAEs and treatment discontinuations.
  • Evidence certainty was rated very low due to small sample sizes and substantial heterogeneity.
  • Robust conclusions regarding safety and efficacy cannot be made based on the current evidence.

Clinical Implications

Clinicians should be aware of the low certainty of evidence when making treatment decisions.

Conclusion

The evidence is limited and further studies are necessary to establish the safety and efficacy of ACT.

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  3. Efficacy and Safety of IL-23 Inhibitors for Moderate to Severe Ulcerative Colitis, 2025 -- A Systematic Review and Meta-Analysis of Randomized Trials
  4. AGA Living Clinical Practice Guideline on Pharmacological Management of Moderate-to-Severe Ulcerative Colitis, 2024
  5. An international consensus on the design of clinical trials for advanced combination treatment in inflammatory bowel disease, 2025
  6. Approaches to Address Ileocolic Anastomotic Strictures in Crohn’s Disease: A Systematic Review and Meta-Analysis of Endoscopic Versus Surgical Options
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  9. AGA Living Clinical Practice Guideline on Pharmacological Management of Moderate-to-Severe Ulcerative Colitis - ScienceDirect
  10. https://academic.oup.com/ecco-jcc/article/18/10/1531/7693895
  11. An international consensus on the design of clinical trials for advanced combination treatment (ACT) in inflammatory bowel disease - ScienceDirect
  12. Vedolizumab, Adalimumab, and Methotrexate Combination Therapy in Crohn’s Disease (EXPLORER) - Clinical Gastroenterology and Hepatology
  13. Effectiveness, safety, and cost of combination advanced therapies in inflammatory bowel disease - ScienceDirect
  14. P1117 Safety of dual-targeted therapy in Inflammatory Bowel Disease: a systematic review | Journal of Crohn's and Colitis | Oxford Academic
  15. Efficacy and Safety of Advanced Combination Therapy in Immune-mediated Inflammatory Disease: A Systematic Review and Meta-analysis of Randomized Controlled Trials - PMC

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