Non-invasive Flow Measurements in Patients With Lower Extremity Arterial Disease (LEAD)
1 other identifier
observational
30
1 country
1
Brief Summary
This concerns a study with patients who will undergo endovascular treatment. Blood flow will be measured by 2D Duplex Ultrasound. Contrast data will be collected that will be processed offline.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Apr 2023
Typical duration for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 9, 2023
CompletedFirst Posted
Study publicly available on registry
January 19, 2023
CompletedStudy Start
First participant enrolled
April 25, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 31, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2026
CompletedNovember 25, 2025
November 1, 2025
2.9 years
January 9, 2023
November 20, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
blood flow
Repeatability and correlation of angiographic hemodynamic measurements compared with the golden standard 2D duplex ultrasound.
performed during a regular PTA intervention
Study Arms (1)
patients
Duplex ultrasound, angiogram, PTA intervention
Eligibility Criteria
A total of 30 patients that are referred to the Vascular Surgery outpatient clinic (department of Vascular Surgery) with PAD and an indication for a percutaneous transluminal angioplasty.
You may qualify if:
- Patients referred to the vascular surgery outpatient clinic (LUMC) with PAD
- Age ≥18 years
- Superficial femoral artery (SFA) stenosis (\>70% occluded)
- Elective for a percutaneous transluminal angioplasty procedure
- Written informed consent
You may not qualify if:
- Contraindications to angiography, such as severe renal insufficiency (eGFR\< 20)
- Non-correctable bleeding disorder.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Leiden University Medical Center
Leiden, Netherlands
Study Officials
- PRINCIPAL INVESTIGATOR
Carla SP van Rijswijk
Leiden University Medical Center
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE ONLY
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 9, 2023
First Posted
January 19, 2023
Study Start
April 25, 2023
Primary Completion
March 31, 2026
Study Completion
March 31, 2026
Last Updated
November 25, 2025
Record last verified: 2025-11
Data Sharing
- IPD Sharing
- Will not share