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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06404164
Other study ID # Watershed
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date January 30, 2022
Est. completion date December 30, 2027

Study information

Verified date May 2024
Source Guangdong Provincial People's Hospital
Contact WenZhao Zhong
Phone +86-13609777314
Email 13609777314@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A method of ICG counterstaining localization under target artery occlusion without cutting,It's a new method of localization of small pulmonary nodules.


Description:

1. This technology can replace part of CT puncture-guided positioning, which not only saves CT positioning costs for patients, but also saves time and space resources in CT room; 2. The target artery occlusion technique does not cut off the blood vessels, and the operation is still a wedge resection. Compared with the standard segmentectomy/subsegmentectomy, the steps of cutting off the veins and bronchial tubes are reduced, the operation time is shortened, and the turnover rate is improved. 3. There is less damage to the lung tissue, and the lung function is well preserved. The patients can be discharged in an average of 3 days after the operation, which improves the bed turnover efficiency of the department.


Recruitment information / eligibility

Status Recruiting
Enrollment 3000
Est. completion date December 30, 2027
Est. primary completion date April 3, 2024
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: 1. <1cm CTR=0.75; <1.5cm CTR=0.5; <2cm CTR=0.25 Lung nodules 2. The tumor center is located in the peripheral 2/3 area of the lung field 3. Preoperative analysis and planning of watershed by 3D reconstruction 4. Clinically assessed as cT1aN0M0 stage IA1/cT1bN0M0 stage IA2 (eighth edition), clinically resectable Exclusion Criteria: 1. No surgical video, no postoperative gross specimen and related distance measurement records 2. The incision edge does not exceed the target nodule diameter from the nodule edge 3. The resection range exceeds 50% of the preoperative planning 4. Postoperative pathological staging non-pT1aN0M0 IA1 stage/pT1bN0M0 IA2 stage (eighth edition) 5. Any situation where the investigator feels the need for extended resection 6. Patients with chronic diseases (such as COPD, pulmonary fibrosis, silicosis) that can cause loss of lung function in patients at risk of progression or potential progression

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Wedge resection under watershed analysis method
Compare the preoperative 3D reconstruction model, and use electrocautery to directionally separate and expose the target artery; Auxiliary devices (unlimited) to block the target artery, but should not be severed; ? Peripheral intravenous injection of ICG, electrocautery to mark the border of counter-staining; ? Evaluate the actual incisal margin according to the preoperative planning, and use the cutting stapler to wedge resection of the pulmonary nodule

Locations

Country Name City State
China Guangdong Provincial People's Hospital Guangzhou Guangdong

Sponsors (1)

Lead Sponsor Collaborator
Guangdong Provincial People's Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Lung fuction testing FEV1 and FVC with MIR Spirolab 1month 3month 1year
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