Evaluation of the short-term efficacy of local analgesic (lidocaine) and opioid analgesic (sufentanil) on patients with centrally mediated abdominal pain syndrome: a randomized controlled trial

Centrally mediated abdominal pain syndrome (CAPS) is characterized by continuous or frequently recurring abdominal pain and can result in functional loss across several life domains. The efficacy of the present management methods has not been established yet. We performed a prospective randomized controlled trial to explore the short-term efficacy of local analgesic (lidocaine) and opioid analgesic (sufentanil) in patients with CAPS.We...