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Clinical Trial Summary

To compare IJV and SCV as the implantation site of TIVAD and its associated thrombotic or occlusion rate, our study plans to enroll 240 patients with cancer who require central line TIVADs and randomizes them with 1:1 ratio to receive the TIVAD implantation at SCV or IJV. After the implantation, the patients will be regularly followed through phone contact and chart review for 2 years, and any symptomatic thrombosis or occlusion will be found during chemotherapy injection or regular push-pull heparin saline flush every 6 weeks as our hospital care protocol. To detect any asymptomatic thrombosis, the patients will also receive screening vascular ultrasound at 2 weeks, 2 months, and 6 months postoperatively. The study primary endpoints include any infection, asymptomatic thrombosis found by screen ultrasound, and clinically symptomatic thrombosis or occlusion and major mechanical failure/dislocation of TIVAD.


Clinical Trial Description

A totally implantable venous access device (TIVAD) provides reliable, long-term vascular access and improves cancer patients' quality of life. The use of TIVADs is associated with important complications as infection and venous thrombosis, and studies have shown that several factors are associated, such as cancer types, catheter types, and the location of the catheter tips. Whether subclavian vein(SCV)or internal jugular vein(IJV) is a better site for TIVAD percutaneous access were also widely studied, and there is no definite consensus generated yet. A meta-analysis published in 2016 by Wu et al reviewed 12 studies comparing the internal jugular vein (IJV) with the subclavian vein (SCV) as the percutaneous access site found no differences of TIVAD-related infection and catheter-related thrombotic rate. In the secondary outcome, IJV was associated with reduced risks of total major mechanical complications such as catheter dislocation and malfunction. Of 12 studies included, only 3 were randomized trial and there was no consistency between groups of using ultrasound guidance throughout TIVAD insertion. To be further, there is no description of how close to IJV-SCV junction does IJV group were inserted. Hence, a large well-designed RCT is warranted before the IJV site can be recommended. To compare IJV and SCV as the implantation site of TIVAD and its associated thrombotic or occlusion rate, our study plans to enroll 240 patients with cancer who require central line TIVADs and randomizes them with 1:1 ratio to receive the TIVAD implantation at SCV or IJV. After the implantation, the patients will be regularly followed through phone contact and chart review for 2 years, and any symptomatic thrombosis or occlusion will be found during chemotherapy injection or regular push-pull heparin saline flush every 6 weeks as our hospital care protocol. To detect any asymptomatic thrombosis, the patients will also receive screening vascular ultrasound at 2 weeks, 2 months, and 6 months postoperatively. The study primary endpoints include any infection, asymptomatic thrombosis found by screen ultrasound, and clinically symptomatic thrombosis or occlusion and major mechanical failure/dislocation of TIVAD. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03945045
Study type Interventional
Source National Taiwan University Hospital
Contact
Status Active, not recruiting
Phase N/A
Start date May 21, 2019
Completion date January 2024

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