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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05212064
Other study ID # IRB-2022-262
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 1, 2022
Est. completion date August 17, 2023

Study information

Verified date February 2024
Source Zhejiang Cancer Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background: Propofol based sedated anesthesia was widely used in percutaneous radiofrequency ablation and hypoxia/desaturation is one of the most frequent adverse events during this procedure. No effective methods have been found to prevent hypoxia/desaturation so far. The aim of this study was to evaluate whether the incidence of hypoxia/desaturation was different between the high-flow nasal cannula (HFNC) therapy group (which can provide heated and humidified oxygen up to 60L/minute.) and the nasal cannula group. Methods: In a randomized, prospective and double-blind study,100 patients undergo percutaneous radiofrequency ablation based on propofol sedation were assigned into two groups: the nasal cannula group (O2 [6 L/minute] was supplied via an HFNC) and the HFNC group (O2 [40 L/minute] was supplied via an HFNC). The primary outcome is the incidence of hypoxia/desaturation during surgery. Other adverse events were also recorded.


Description:

After received the approvement of ethics committee of the Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital, approval number IRB-2022-262). The study was registered before patient enrollment in Clinicaltrials.Written informed consent was obtained from all participants. 100 adult patients between 18-75 years, ASA physical state I to III, undergoing percutaneous radiofrequency ablation, were enrolled in this study. Preoperative arrangements 3-lead electrocardiogram, pulse oximetry and non-invasive blood pressure were measured for basic monitoring. Local anaesthesia was induced by administering 7 ml of 2% lidocaine before the ablation needle was first inserted into the tumour. Then, 0.15 mg/kg oxycodone (diluted to 1 mg/ml with normal saline; Mundipharma, Vantaa, Finland) was administered to both groups. Rescue opioids were administered when the numerical rating scale (NRS) score was greater than 4 or when the patient had obvious, unwanted body movements. The rescue OXY dose was 0.05 mg/kg with the total dose not to exceed 0.25 mg/kg. Blood pressure was measured every 3 minutes as well as 2 minutes after the drug was administered or at the discretion of the anaesthesiologist. All patients remained in the PACU under monitoring for at least 30 minutes until their Aldrete score was between 9 to 10. Mean blood pressure, heart rate, and respiratory rate were recorded. The effect site concentration of propofol is 1.3 ug/ml at the beginning and adjusted at a stepwise of 0.3 ug/ml to maintain a sedation score between 3-4. The depth of sedation was assessed and recorded every 3 minutes by MOAA/S.


Recruitment information / eligibility

Status Completed
Enrollment 100
Est. completion date August 17, 2023
Est. primary completion date August 17, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: - 18< age < 75 years; - ASA physical state I and II; .Undergoing percutaneous radiofrequency ablation. Exclusion Criteria: - Age < 18 years or older than 75 years; - America Society of Anesthesiologists (ASA) class >III; - Allergic to anesthetic solutions; - Tendency for nose bleeding or coagulation disorders; - Local infection (eg. mouth, nose, or throat infection); - Heart disease like congestive heart failure, severe aortic stenosis or mitral stenosis, cardiac surgery involving thoracotomy (eg, coronary artery bypass graft or valve replacement surgery) in the last 6 months; acute myocardial infarction in the last 6 months; acute arrhythmia (including tachycardia and bradycardia) with hemodynamic instability; - Diagnosed chronic obstructive pulmonary disease (COPD) or other current acute or chronic lung diseases requiring supplemental chronic or intermittent oxygen therapy; - Increased intracranial pressure; - Fever, defined as core body temperature >37.5 C; - Severe anemia (30g/L< hemoglobin <6g/L); - Emergency surgery; - Patients refuse to participate;

Study Design


Intervention

Device:
high-flow oxygen nasal cannula therapy
Heated and humidified oxygen of 40L/minute through high-flow nasal cannula (HFNC) therapy machine.
Other:
nasal cannula oxygen therapy
Heated and humidified oxygen of 6L/minute through high-flow nasal cannula (HFNC) therapy machine.

Locations

Country Name City State
China Zhejiang Cancer hospital Hangzhou Zhejiang

Sponsors (1)

Lead Sponsor Collaborator
Zhejiang Cancer Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Hypoxia Observe the incidence of hypoxia/desaturation between the two groups Throughout the procedure
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