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Determination and safety analysis of EC50 of two intravenous anesthetic drugs, propofol and etomidate in elderly frail patients

Determination and safety analysis of EC50 of two intravenous anesthetic drugs, propofol and etomidate in elderly frail patients

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400089095
Enrollment
Unknown
Registered
2024-09-02
Start date
2023-07-02
Completion date
Unknown
Last updated
2024-09-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sarcopenia

Interventions

Sarcopenia group:Propofol (Dixon modified sequential method)
Non-sarcopenia group:Propofol (Dixon modified sequential method)

Sponsors

Nanjing Medical University Affiliated Wuxi People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: a. Paients with certain comprehension and language skills and able to cooperate; b. Ultrasound detection of rectus femoris muscle depth = 1.8cm or = 2.8cm; c. American Society of Anesthesiologists (ASA) classification I-III and = 65 years old.

Exclusion criteria

Exclusion criteria: a. Propofol allergy; b. History of opioid or alcohol abuse, long-term use of sedative-hypnotic drugs, current use of psychotropic drugs, oral glucocorticoids or immunosuppressive drugs; c. Severe liver and kidney insufficiency, severe respiratory diseases, patients with potentially difficult airways, thyroid dysfunction, preoperative neurodegenerative diseases such as AD, dementia and other diseases that cannot be communicated; d. Patients with severe osteoarthritis or neuromuscular diseases resulting in impairment or inconvenience of walking; e. Patients with BIS value less than 80 before induction.

Design outcomes

Primary

MeasureTime frame
blood pressure;heart rate;bispectral index;EC50;

Countries

China

Contacts

Public ContactZhang Xin

Wuxi People's Hospital

xinzhang3@njmu.edu.cn+86 138 1883 2760

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026