A Study of Vedolizumab in Children With Ulcerative Colitis (UC) or Crohn's Disease (CD)

Study Summary

The study is an extension of two parent studies (MLN0002-3024 \[NCT04779307\] and MLN0002-3025 \[NCT04779320\]). Participants must have participated in one of the previous studies. The purpose of this study is to collect the long-term safety of vedolizumab in children with UC or CD.