VICTORY Consortium Showing Good Results for Vedolizumab

A presentation at the 13th Congress of the European Crohn’s and Colitis Organization (ECCO, Feb 2018) indicated that Vedolizumab had similar effectiveness as anti-TNF agents for both ulcerative colitis and Crohn’s disease. This data has been presented at a recent meeting in our office, some of the GI news magazines, and also ImproveCareNow listserv.

From Takeda website: Entyvio® (vedolizumab) Shows Higher Rates of Mucosal Healing Versus TNFα-Antagonist Therapy in Ulcerative Colitis and Crohn’s Disease Patients in Comparative Effectiveness Real-World Data Analysis

These analyses observed that patients with UC treated with Entyvio compared to TNFα-antagonist therapy had statistically significant higher 12-month cumulative rates of mucosal healing (50% vs 42%, hazard ratio [HR] 1.73, 95% confidence interval [CI] 1.10‑2.73) and clinical remission (54% vs 37%; HR 1.54, 95% CI 1.08‑2.18), and numerically higher steroid-free clinical remission rates (49% vs 38%; HR 1.43, 95% CI 0.79‑2.60). In CD, results reported statistically significant higher 12-month cumulative rates of mucosal healing (50% vs 41%; HR 1.67, 95% CI 1.13‑2.47), and numerically higher rates of clinical remission (38% vs 34%; HR 1.27, 95% CI 0.91‑1.78) and steroid-free clinical remission (26% vs 18%; HR 1.75, 95% CI 0.90‑3.43) compared to TNFα-antagonist therapy. These analyses were conducted by the VICTORY (Vedolizumab Health OuTComes in InflammatORY Bowel Diseases) Consortium.

My take: While the data compare anti-TNFs to vedolizumab in a “real-world setting,” the reported outcomes for anti-TNFs are lower than in other studies.  Vedolizumab had the best results in those with colonic disease.  Patients with Crohn’s disease with isolated small bowel disease had lower response rates.

Related study: AK Waljee et al Inflamm Bowel Dis 2018; 24: 1185-95. Using phase 3 clinical trial data with 594 subjects, the authors note that the majority of patients who will respond to vedolizumab can be identified by week 6 using a laboratory algorithm based on hemoglobin, albumin, vedolizumab level and CRP. Fformula: Hgb*Albumin*VDZ level/CRP*Weight. A cutoff of 185.96 predicted success with an AuROC of 0.75.   Higher hemoglobin, higher albumin, and higher vedolizumab level, and lower CRP are associate with higher response rates.

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