Geneva, April 28 -- International Clinical Trials Registry received information related to the study (ChiCTR2600122354) titled 'Efficacy and Safety of Oliceridine versus Remifentanil for Analgesia in ICU Patients After Abdominal Surgery: A Randomized Controlled Trial' on April 13.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Tianjin Medical University General Hospital

Condition: Acute Postoperative Pain

Intervention: Experimental Group:In the study group, 10 mg of oliceridine injection was diluted in 40 ml of normal saline to prepare a 50 ml solution with a concentration of 0.2 mg/ml. An initial loading dose of 1.5 mg (7.5 ml) was administered via a 2-minute intravenous bolus, followed by a continuous i...