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The RELIEF™ Ureteral Stent Randomized Controlled Trial

NCT06720740 · Status: WITHDRAWN · Phase: NA · Type: INTERVENTIONAL

Last updated 2026-02-13

No results posted yet for this study

Summary

Assessment of the backwards flow of urine from the bladder into the ureter (retrograde urine reflux) after placement of the RELIEF® Ureteral Stent using imaging of the bladder after filling it with contrast and assigning a urinary reflux grade. Randomized controlled trial for evaluation of the stent placement and the adequacy of short term drainage (defined as the presence of the stent in the ureter and the lack of surgical or standard of care double J stent to treat symptoms associated with the stent itself on the stented side during the first 48 hours).

Conditions

  • Kidney Stone

Interventions

DEVICE

RELIEF Ureteral Stent

The study intervention is placement of the RELIEF Ureteral Stent

DEVICE

Standard of Care Ureteral Stent

The control product is the Ascerta stent by Boston Scientific.

Sponsors & Collaborators

Principal Investigators

  • Seth K Bechis, MD · University of California, San Diego

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-12-01
Primary Completion
2025-12-31
Completion
2025-12-31
FDA Device
Yes

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06720740 on ClinicalTrials.gov