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Ciprofol's Impact on Oxygenator Function in Extracorporeal Membrane Oxygenation (ECMO) Patients (CIP-OXY)

F

First Affiliated Hospital of Wannan Medical College

Status and phase

Not yet enrolling
Phase 4

Conditions

ECMO and Acute MI
ARDS (Acute Respiratory Distress Syndrome)
ECMO Treatment
Shock, Cardiogenic
Respiratory Failure Patients Treated With ECMO

Treatments

Drug: Ciprofol
Drug: Midazolam

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

This study evaluates the safety and effectiveness of Ciprofol, a new sedative, in critically ill patients receiving Extracorporeal Membrane Oxygenation (ECMO), a life-support system for heart or lung failure. The investigation aims to:

Assess how Ciprofol affects the oxygenator, a critical ECMO component responsible for adding oxygen to blood.

Compare the safety of Ciprofol to midazolam, a commonly used sedative. Eligibility Criteria Adults aged 18 years or older. Patients receiving ECMO and mechanical ventilation for over 72 hours. Individuals requiring sedation for medical procedures. Study Protocol

Participants will be randomly assigned to one of two groups:

Ciprofol Group: Initial sedation dose of 0.1 mg/kg, adjusted as needed. Midazolam Group: Initial sedation dose of 0.05 mg/kg, adjusted as needed. Both groups will receive pain management with remifentanil. Sedation levels will be adjusted daily by the clinical team to ensure patient safety and comfort.

Outcome Measures Primary: Oxygenator performance (oxygen and carbon dioxide levels) on Days 3 and 7.

Secondary: Changes in blood triglyceride and clotting marker (D-dimer) levels, oxygenator lifespan before replacement, and safety outcomes such as low blood pressure, respiratory issues, or allergic reactions.

Significance ECMO patients often require prolonged sedation, but current sedatives like midazolam may contribute to oxygenator damage. Ciprofol's potential for faster recovery and fewer side effects could improve sedation practices and device longevity in this high-risk population.

Enrollment

30 estimated patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

  1. Inclusion Criteria:

    • Receiving ECMO therapy with an anticipated duration exceeding 72 hours;
    • Requiring invasive mechanical ventilation;
    • Requiring sedation and analgesia treatment.
  2. Exclusion Criteria:

    • BMI >45 kg/m²;
    • Age <18 years;
    • Severe hepatic (Child-Pugh Class C) or renal failure (eGFR <15 mL/min/1.73m²);
    • History of severe psychiatric disorders;
    • Pregnancy;
    • Refusal to sign informed consent;
    • Contraindications to midazolam and propofol use.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

30 participants in 2 patient groups

Ciprofol group
Experimental group
Description:
Patients in this arm will receive Ciprofol, an investigational sedative, administered via continuous intravenous infusion. Dosing Protocol: Initial Dose: 0.1 mg/kg loading dose over 1-2 minutes. Maintenance Dose: 0.05-0.3 mg/kg/h, adjusted hourly based on the Richmond Agitation-Sedation Scale (RASS) score (target range: -3 to 0). Combined Analgesia: All patients will concurrently receive remifentanil (0.05-0.3 μg/kg/min) for pain control. Monitoring \& Adjustments: Sedation depth assessed every 30 minutes using RASS and ( Critical-Care Pain Observation Tool) CPOT scores. Dose adjustments made to avoid hypotension (Mean Arterial Pressure) MAP \< 65 mmHg or oversedation. Triglyceride levels monitored daily to guide lipid emulsion management. Safety Measures: Rescue protocol for hypotension (e.g., vasopressors) or respiratory depression (e.g., temporary ECMO flow adjustment).
Treatment:
Drug: Ciprofol
Midazolam group
Active Comparator group
Description:
Patients in this arm will receive midazolam, a benzodiazepine sedative commonly used in ECMO patients, administered via continuous intravenous infusion. Dosing Protocol: Initial Dose: 0.05 mg/kg loading dose over 2-5 minutes. Maintenance Dose: 0.02-0.1 mg/kg/h, adjusted hourly based on the RASS score (target range: -3 to 0). Combined Analgesia: All patients will concurrently receive remifentanil (0.05-0.3 μg/kg/min) for pain control, identical to the Ciprofol group. Monitoring \& Adjustments: Sedation depth assessed every 30 minutes using RASS and CPOT scores, consistent with the experimental group. Dose adjustments made to avoid hypotension (MAP \< 65 mmHg) or oversedation. Daily monitoring of drug accumulation markers (e.g., midazolam plasma levels if available). Safety Measures: Rescue protocol for hypotension (e.g., vasopressors) or respiratory depression (e.g., ventilator support escalation).
Treatment:
Drug: Midazolam

Trial contacts and locations

0

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Central trial contact

Qiancheng Xu

Data sourced from clinicaltrials.gov

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