Study Evaluating the Safety, Efficacy and Pharmacokinetics of SYH9089 Injection in Patients Undergoing Abdominal Surgery.
This is a randomized, double-blind, active drug- and placebo-controlled, dose-escalation clinical study conducted in patients scheduled to undergo abdominal surgery. It aims to evaluate the tolerability, safety, pharmacokinetics, and efficacy of SYH9089 Injection for postoperative analgesia in these patients.
1. Fully understand the purpose and significance of this study, voluntarily part...
Patientss with poorly controlled blood pressure despite medication: systolic blo... [+7]