Safety and Efficacy of NNC 0142-0000-0002 in Subjects With Moderately to Severely Active Crohn's Disease

Inclusion Criteria: * Subjects with CD for at least 3 months * Subjects not treated before, or subjects who have either not responded to treatment, or responded and then lost the response during continued administration of a therapeutic compound Exclusion Criteria: * Any of the following: Symptomatic bowel obstruction, short bowel syndrome, ileostomy or colostomy, surgical bowel resection within 6 months prior to randomisation or clinically relevant un-drained abscess * History of dysplasia or malignancy in the colon * Any ongoing chronic or active infectious disease or microbial infection requiring systemic oral or intravenous treatment against infection within 1 month prior to randomisation * Body mass index (BMI) higher or equal to 38.0 kg/m\^2