U.S., Oct. 9 -- ClinicalTrials.gov registry received information related to the study (NCT07211828) titled 'EEG and Pain Monitor Data Under Anesthesia to Study Pharmacodynamic Effects of Opioids and Sedatives' on Aug. 31.
Brief Summary: Recording and analyzing electroencephalogram (EEG) and continuous pain monitor data under anesthesia in order to investigating the pharmacodynamic effects of opioids and sedatives.
Study Start Date: Oct. 10
Study Type: INTERVENTIONAL
Condition:
Sedation and Analgesia
Cholangiopancreatography, Endoscopic Retrograde
Anesthesia, General
Intervention:
DRUG: high dose of alfentanil
The initial dose is alfentanil cet 10ng/mL and propofol 1ug/mL. Dose of alfentanil will be increased by 10ng/mL each until PS...