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Effects of Ciprofol or Propofol General Anesthesia on Gut Microbiota and Postoperative Delirium in Frail Elderly Patients Undergoing Thoracoscopic Surgery

Effects of Ciprofol or Propofol General Anesthesia on Gut Microbiota and Postoperative Delirium in Frail Elderly Patients Undergoing Thoracoscopic Surgery

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600120812
Enrollment
Unknown
Registered
2026-03-20
Start date
2026-03-20
Completion date
Unknown
Last updated
2026-03-23

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

Conditions

postoperative delirium

Interventions

Group P:Anesthesia induction using propofol at 1.5–2.0 mg/kg Anesthesia maintenance using propofol at 4–12 mg/(kg·h) via target-controlled infusion with a microinfusion pump
Group C:Use ciprofol 0.3–0.4 mg/kg for induction of anesthesia. Use ciprofol 0.8–2.4 mg/(kg·h) via microinfusion pump for target-controlled infusion to maintain anesthesia.

Sponsors

Northern Jiangsu People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients who meet the criteria for thoracoscopic surgery, consent to elective surgery, and are willing to undergo general anaesthesia; 2. Aged between 65 and 80 years, regardless of gender; 3. ASA Class I–III; 4. Body Mass Index (BMI) between 18 and 28 kg/m²; 5. No communication difficulties; 6. Frailty Screening Scale (FRAIL scale, FS) score >=3; 7. Able to complete the preoperative Mini-Mental State Examination (MMSE) with a score >= 26; 8. No significant abnormalities in cardiac, pulmonary, gastrointestinal, hepatic or renal function.

Exclusion criteria

Exclusion criteria: 1. Patients with a history of cognitive impairment, dementia, delirium or cerebrovascular disease; 2. Patients suffering from severe depression, schizophrenia or other psychiatric or neurological disorders, or those who have previously taken antipsychotic or antidepressant medication; 3. Patients who have recently used probiotics, antibiotics, anti-inflammatory drugs, corticosteroids or other hormonal medications, or who have a recent history of tobacco or alcohol abuse or substance dependence; 4. Patients who are unable to complete the test due to severe visual, hearing or speech impairments; 5. Patients who are allergic to propofol or propofol cyclopentan;

Design outcomes

Primary

MeasureTime frame
Postoperative delirium incidence rate;

Secondary

MeasureTime frame
severity of postoperative delirium;visual analogue scale;

Countries

China

Contacts

Public ContactYali Ge

Northern Jiangsu People's Hospital

happygezi81@163.com+86 180 5106 1135

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 3, 2026