Primary objectives:
The primary objective of the study is to evaluate the efficacy of 2 different maintenance dose regimens of TEV-48574 subcutaneous (sc) administered every 4 weeks (Q4W) in adult participants with inflammatory bowel disease (IBD).
Secondary objective:
- Evaluate the efficacy of 2 different maintenance dose regimens of TEV-48574 sc administered Q4W in adult participants with IBD
- Evaluate the safety and tolerability of 2 different maintenance dose regimens of TEV-48574 sc administered Q4W in adult participants with IBD
- Evaluate the immunogenicity of 2 different maintenance dose regimens of TEV-48574 sc administered Q4W in adult participants with IBD The total duration for a participant in the double-blind period only is 66 weeks; and for a participant in the open-label extension (OLE) period, up to an additional 268 weeks.