Eligibility |
Inclusion Criteria:
1. Patients who require tracheal intubation for mechanical ventilation, with expected
sedation duration of longer than 96 h;
2. Patients requiring a target RASS score of -1 to -2 for sedation;
3. Aged = 18 and < 80 years old, with no gender requirement;
4. BMI = 18 kg/m2 and = 30 kg/m2;
5. The patients or their family members fully understand the objectives and significance
of this study, and voluntarily participate in this clinical study and sign the
informed consent form.
Exclusion Criteria:
1. Patients known to be allergic to eggs, soy products, opioids and their antidotes, and
Propofol; patient having contraindications to Propofol, opioids and their antidotes;
2. Patients who have received propofol for more than 3 days in the ICU or in the general
ward before being transferred to the ICU before signing informed consent form;
3. Patients having the following medical history or evidence of any of the following at
screening, which may increase sedation/anesthesia risk:
1. Cardiovascular system: New York Heart Association (NYHA) Class III and IV heart
failure, Adams-stokes syndrome; acute coronary syndrome (ACS) that occurs within
6 months before screening; bradycardia requiring medication and/or heart rate =
50 beats/min; a history of severe arrhythmia such as II-III degree
atrioventricular block (excluding patients using pacemakers); acute and chronic
myocarditis;
2. Patients with hyperlipidemia: Defined as patients with TC = 5.2 mmol/L or LDL-C =
3.4 mmol/L at screening, or patients with severely increased blood pressure or
blood glucose despite their blood lipid levels meeting the requirements,
rendering the patients huge risk of cardiovascular diseases per the
investigator's judgment; patients with acute pancreatitis;
3. Patients with mental diseases (e.g., schizophrenia, depression) and cognitive
dysfunction; grand mal epilepsy and convulsion; head injury, intracranial
hypertension, cerebral aneurysm; Glasgow Coma Score (GCS) = 12; SOFA Score > 9;
past history of psychotropic and narcotic drug abuse; history of alcohol abuse
within 3 months before screening; long-term use of psychotropic drugs;
4. Patients with high paraplegia and general paralysis; patients with unstable
hemodynamics;
5. Severe hepatic and renal insufficiency (liver function: refer to child-pugh grade
C; renal function: glomerular filtration rate eGFR = 30 mL/(min•1.73 m2) [eGFR is
calculated using the Modification of Diet in Renal Disease (MDRD) equation: eGFR
= 175 × serum creatinine (SCr)-1.234 × age-0.179 × 0.79 (females)]; patients
undergoing dialysis;
6. Patients with an expected survival of less than 1 week;
7. Other situations unsuitable for enrollment per the investigator's consideration.
4. Pregnant or breastfeeding females: women or men of child-bearing potential who are
unwilling to use contraception during the trial; subjects who are planning pregnancy
within 1 month after the trial starts (including male subjects);
5. Have participated in any other clinical trials within 1 month prior to screening;
6. Other conditions that patients are judged by the investigator to be unsuitable for
participating in the study.
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