New implant aims to simplify dialysis fistula monitoring

NCT ID NCT04896476

Completed Knowledge-focused Sponsor: Sonavex, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a new device called EchoMark LP, which is implanted near a surgically created blood vessel connection (fistula) used for dialysis. The device works with a special ultrasound system (EchoSure) to measure blood flow, depth, and diameter of the fistula. The trial involved 20 adults with kidney disease who needed a fistula, and its main goal was to see if the implant is safe and if the measurements can be taken successfully.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: EchoMark LP implant and EchoSure diagnostic ultrasound system
What this could lead to: If successful, this device could make it easier and safer to monitor arteriovenous fistulas in dialysis patients, potentially reducing complications.
What could go wrong: This is a very small, early feasibility study with only 20 participants. It is designed to test safety and basic function, not to prove the device improves health outcomes.

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Conditions

The condition(s) this trial relates to.

congenital arteriovenous fistula end stage renal failure kidney disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ARTERIOVENOUS FISTULA KIDNEY DISEASES

Contacts and locations

Locations

Michgan Vascular Center

Flint, Michigan, 48507, United States
SKI Vascular Center

Peoria, Arizona, 85381, United States
Surgical Specialist of Charlotte

Charlotte, North Carolina, 28207, United States
Trinity Research Group

Dothan, Alabama, 36301, United States

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