for the induction and maintenance of clinical remission, and adherence to medication is an important challenge. 2 Subcutaneous (SC) administration of biologics is effective, safe, and well-tolerated. In general, SC is preferred by both patients and healthcare providers, and can be self-administered at home. 3 Currently, 3 of the 5 licensed biologics that are approved for the treatment of inflammatory bowel disease (IBD) in Japan use the SC route of administration. 4-8 The tumor necrosis factor (TNF)-α antagonists adalimumab and golimumab are approved for SC administration for the treatment of UC. 6,7 The interleukin-12/23 p40 antagonist ustekinumab is approved