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qDSA Blood Flow Measurement in Patients Undergoing TAE of the Liver

Sponsor: University of Wisconsin, Madison • ClinicalTrials.gov ID: NCT06971991

Registry updated: 2026-09-15

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Description

The purpose of this research is to evaluate a new technique, quantitative digital subtraction angiography (qDSA), to measure blood flow during liver embolization procedures. Liver embolization is a way of treating liver tumors by blocking blood flow to it. The qDSA technique could help doctors ensure the blood flow to the tumor is decreased by the right amount by calculating blood flow before, during, and after the procedure. Up to 20 participants will be enrolled for 1 study visit and data collection for up to 6 months.

Interventions

qDSA Blood Flow Measurement (Device)
Pre-, mid-, and post-embolization, qDSA and transabdominal US Doppler images will be acquired for research purposes during TAE and TACE procedures. For patients undergoing radioembolization, qDSA and US Doppler images will be acquired during both the preparatory angiogram and therapy angiogram (prior to delivery of the radioactive particles)

Eligibility criteria

Inclusion Criteria: * Give voluntary, written informed consent to participate in this study and willing to comply with study-related evaluation and procedure schedule Exclusion Criteria: * Pregnancy or breastfeeding * Patients with an acute kidney injury or stage IV or V chronic kidney disease (Cr greater than 2.4 or estimated glomerular filtration rate (eGFR) less than 30), unless anuric and on dialysis without expected return of renal function. * Patients with an iodinated contrast allergy who cannot be adequately premedicated to receive contrast as part of the embolization procedure. * Patients with a physical or psychological condition that would impair study participation. * The patient is judged unsuitable for study participation by the Investigator for any other reason

Conditions

Transarterial Embolism Transarterial Chemoembolization Radioembolization

Locations

UW Hospital and Clinics — Madison, Wisconsin, United States

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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