Effects of Ciprofol on Myocardial Injury After Non-cardiac Surgery in Video-Assisted Thoracoscopic Surgery

NCT ID: NCT07028593

Last Updated: 2025-06-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

PHASE4

Total Enrollment

1058 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-07-31

Study Completion Date

2026-12-31

Brief Summary

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Myocardial injury after noncardiac surgery (MINS) refers to postoperative elevation of cardiac troponin (cTn) levels caused by underlying ischemic mechanisms (i.e., coronary artery supply-demand imbalance or atherosclerotic thrombosis) without obvious non-ischemic causes (such as pulmonary embolism), with at least one cTn concentration exceeding the 99th percentile of the test reference upper limit, regardless of whether clinical symptoms and ECG changes are present. MINS, including myocardial infarction and ischemic myocardial injury, typically occurs within 30 days after surgery, most commonly within the first 2 postoperative days. It is an independent risk factor for 30-day postoperative mortality and is also closely associated with increased risk of mortality and vascular complications within 2 years . MINS is a common cardiovascular complication after thoracic surgery. Therefore, reducing the incidence of MINS in non-cardiac thoracic surgery to improve patient outcomes is a critical issue in anesthetic management for thoracic surgery.

Ciprofol is a Class 1 innovative drug independently developed in China with global intellectual property rights. Currently, Ciprofol has completed Phase III clinical trials in China and the United States; its approved indications in China include sedation or anesthesia for various diagnostic procedures, general anesthesia for surgical operations, and sedation during intensive care unit (ICU) stays. Completed drug clinical trials and published clinical trial data of Ciprofol indicate that it can better maintain circulatory stability and ideal anesthetic depth during anesthesia induction and maintenance, making it a promising intravenous general anesthetic alternative to propofol.

Maintaining hemodynamic stability is an important measure to reduce cardiovascular complications during the perioperative period. Given the good circulatory stability and sedative efficacy of Ciprofol, this study aims to investigate the impact of Ciprofol on MINS in non-cardiac thoracic surgery.

Detailed Description

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Lung cancer ranks first in both incidence and mortality among malignant tumors in China. In 2022, there were 1,060,600 new lung cancer cases, accounting for 22.0% of all malignant tumors, and 733,300 deaths, accounting for 28.5% of all malignant tumor deaths. Radical surgical resection is the recommended preferred treatment for stage I and II non-small cell lung cancer. Video-assisted thoracoscopic surgery (VATS) for anatomic lung resection has better safety and long-term efficacy than traditional surgical methods, with more than 73.7% of lung cancer surgeries in China using thoracoscopic approaches. Thoracic surgery easily induces significant perioperative hemodynamic fluctuations, increasing the risk of perioperative cardiovascular and cerebrovascular complications, thus posing great challenges to perioperative anesthetic safety and long-term patient outcomes.

Myocardial injury after noncardiac surgery (MINS) refers to postoperative elevation of cardiac troponin (cTn) levels caused by underlying ischemic mechanisms (i.e., coronary artery supply-demand imbalance or atherosclerotic thrombosis) without obvious non-ischemic causes (such as pulmonary embolism), with at least one cTn concentration exceeding the 99th percentile of the test reference upper limit, regardless of whether clinical symptoms and ECG changes are present. MINS, including myocardial infarction and ischemic myocardial injury, typically occurs within 30 days after surgery, most commonly within the first 2 postoperative days. It is an independent risk factor for 30-day postoperative mortality and is also closely associated with increased risk of mortality and vascular complications within 2 years. MINS is a common cardiovascular complication after thoracic surgery; the COP-AF study found that the incidence of MINS in non-cardiac thoracic surgery is 20.3% . Therefore, reducing the incidence of MINS in non-cardiac thoracic surgery to improve patient outcomes is a critical issue in anesthetic management for thoracic surgery.

Severe hemodynamic fluctuations are one of the important causes of perioperative induction of MINS, thus maintaining hemodynamic stability is a critical step to reduce MINS. Propofol is the most commonly used drug for anesthesia induction and maintenance in clinical practice, with advantages such as rapid onset, strong sedative efficacy, and quick recovery. However, due to its significant circulatory inhibitory effects, the incidence of intraoperative hypotension induced and maintained by propofol in patients without cardiovascular diseases is 25%-40%, increasing the risk of perioperative hypotension and adverse cardiovascular events, which poses great challenges to anesthetic management. Additionally, 80% of patients receiving propofol experience injection pain of varying degrees, which also reduces patient comfort during treatment. Therefore, developing a sedative with both good sedative efficacy and no or low circulatory inhibition has long been a desirable goal for anesthesiologists.

Ciprofol is a Class 1 innovative drug independently developed in China with global intellectual property rights. Its molecular structure is an analog of propofol (2,6-diisopropylphenol). Both Ciprofol and propofol act on γ-aminobutyric acid type A (GABA-A) receptors, causing hyperpolarization of GABAergic neurons, reducing the success rate of action potential generation, and achieving inhibition of the central nervous system to produce short and rapid sedative or anesthetic effects. Pharmacologically, Ciprofol not only retains the characteristics of propofol such as rapid onset, rapid elimination, and high sedative efficacy but also has a higher drug cost-effectiveness ratio and therapeutic index (in mouse experiments, the median effective dose for sedation of Ciprofol is 1.5 mg/kg, the median lethal dose is 9.9 mg/kg, and the therapeutic index is 6.6, while that of propofol is only 2.8). Furthermore, due to the lower drug concentration in the aqueous phase of the Ciprofol emulsion, the risk of injection pain is much lower than that of propofol, improving treatment comfort. Currently, Ciprofol has completed Phase III clinical trials in China and the United States; its approved indications in China include sedation or anesthesia for various diagnostic procedures, general anesthesia for surgical operations, and sedation during intensive care unit (ICU) stays. Completed drug clinical trials and published post-marketing clinical trial data of Ciprofol indicate that it can better maintain circulatory stability and ideal anesthetic depth during anesthesia induction and maintenance, making it a promising intravenous general anesthetic alternative to propofol.

Maintaining hemodynamic stability is an important measure to reduce cardiovascular complications during the perioperative period. Given the good circulatory stability and sedative efficacy of Ciprofol, this study aims to investigate the impact of Ciprofol on MINS in non-cardiac thoracic surgery.

After data collection, full Analysis Set (FAS): A population derived by minimally and reasonably excluding certain cases under the principle of Intention-to-Treat (ITT), where cases included in the FAS should not seriously violate the inclusion criteria. FAS will be used for the analysis of baseline data and primary efficacy endpoints.

Per-Protocol Set (PPS): All cases that comply with the trial protocol, are well-tolerated (patients who completed PED procedures), and have completed the content specified in the case report form. PPS is used for the analysis of primary efficacy endpoints.

Safety Set (SS): Refers to the actual data of subjects who received at least one dose of treatment after randomization and have recorded safety indicators.

Conditions

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Myocardial Injury Thoracic Diseases Thoracoscopic Surgery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Outcome Assessors
This study blinded the efficacy assessors (rather than the anesthesiologists administering the anesthesia) and the participants, with the double-blind status maintained throughout the study period.

1. Blinding of efficacy assessors: In this study, a designated study coordinator was responsible for maintaining and distributing randomization numbers, preparing study drugs, and coordinating information among anesthesiologists. Anesthesiologists completed preoperative visits and collected preoperative patient data; efficacy evaluators were only responsible for patient follow-up and data entry of postoperative test results, without participating in the process of anesthesia administration or management. Anesthesiologists administered drugs based on patients' body weights.
2. Blinding of participants: participants were unaware of their group assignments and medication administration during the study period.

Study Groups

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ciprofol group

Slowly administer sufentanil 0.2 μg/kg to 0.7 μg/kg via intravenous injection; cis-atracurium 0.15 mg/kg to 0.20 mg/kg; Ciprofol 0.4 ml/kg to 0.6 ml/kg via slow intravenous injection. The injection time for all drugs is 2 minutes.

Group Type EXPERIMENTAL

ciprofol

Intervention Type DRUG

Using as sedative agents in the total intravenous anesthesia in video-assisted thoracoscopic aurgery in ciprofol group.

propofol group

Slowly administer sufentanil 0.2 μg/kg to 0.7 μg/kg via intravenous injection; cis-atracurium 0.15 mg/kg to 0.20 mg/kg; propofol injection 0.1 ml/kg to 0.25 ml/kg slowly via intravenous injection. The injection time for all drugs is 2 minutes.

Group Type ACTIVE_COMPARATOR

Propofol

Intervention Type DRUG

Using as sedative agents in the total intravenous anesthesia in video-assisted thoracoscopic aurgery in propofol group.

Interventions

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Propofol

Using as sedative agents in the total intravenous anesthesia in video-assisted thoracoscopic aurgery in propofol group.

Intervention Type DRUG

ciprofol

Using as sedative agents in the total intravenous anesthesia in video-assisted thoracoscopic aurgery in ciprofol group.

Intervention Type DRUG

Other Intervention Names

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HSK3486

Eligibility Criteria

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Inclusion Criteria

1. Scheduled for elective video-assisted thoracoscopic (VATS)-assisted thoracic surgery (lobectomy, segmentectomy, wedge resection of two or more lung tissues, mediastinal tumor resection) under general anesthesia;
2. Aged 45 to 80 years (inclusive) at the time of randomization;
3. Expected postoperative hospital stay of ≥3 days;
4. Signed a written informed consent to participate in the study.

Exclusion Criteria

1. Patients allergic to propofol, Ciprofol, or analogs of drug excipient components (soybeans, eggs, milk);
2. Patients with unstable angina;
3. Patients with congestive heart failure or hemodynamic instability requiring vasopressor agents;
4. Patients with severe COPD (FEV1 \< 1 L);
5. Glomerular filtration rate \[eGFR\] \< 30 mL/min/1.73m²;
6. Patients with severe hepatic dysfunction (ALT or AST elevation exceeding 1.5 times the upper limit of normal);
7. Male or female patients planning to conceive within the next 3 months;
8. Pregnant or lactating female patients;
Minimum Eligible Age

40 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Tongji Hospital

OTHER

Sponsor Role lead

Responsible Party

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Ailin Luo

Department of Anesthesiology

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Tongji hospital

Wuhan, , China

Site Status

Countries

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China

Central Contacts

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Ailin Luo, MD&PhD

Role: CONTACT

13507122565

Shiyong Li, MD&PhD

Role: CONTACT

15002780081

References

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Thygesen K, Alpert JS, Jaffe AS, Chaitman BR, Bax JJ, Morrow DA, White HD; Executive Group on behalf of the Joint European Society of Cardiology (ESC)/American College of Cardiology (ACC)/American Heart Association (AHA)/World Heart Federation (WHF) Task Force for the Universal Definition of Myocardial Infarction. Fourth Universal Definition of Myocardial Infarction (2018). Circulation. 2018 Nov 13;138(20):e618-e651. doi: 10.1161/CIR.0000000000000617. No abstract available.

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Other Identifiers

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TJ-IRB202502133

Identifier Type: -

Identifier Source: org_study_id

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