Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT02122341 · ClinicalTrials.gov registry record · NA
Clinical Evaluation of BackStop in Patients Undergoing Ureteroscopic Lithotripsy
A NA study, sponsored by University of Southern California.
- Terminated
- Registry status
- NA
- Development phase
- 35
- Enrollment target
NCT02122341: Clinical Trial NA study, sponsored by University of Southern California.
NCT02122341 is a NA study that was terminated before completion, run by University of Southern California. The registered enrollment target is 35 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT02122341, a NA study, was terminated before completion, sponsored by University of Southern California.
- TERMINATED
- Registry status
- NA
- Development phase
- 35 participants
- Enrollment target
Study Summary
The purpose of this clinical study is to evaluate BackStop, a polymer-based device that is intended to be used during ureteroscopic lithotripsy to prevent retrograde stone migration.
Primary Outcome
Prevention of retrograde stone migration (Yes/No)
Interventions
- DEVICE BackStop
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 35 participants |
| Start Date | 2014-04 |
| Est. Completion | 2016-07 |
| Phase | NA |
Why NCT02122341 stopped before completion
NCT02122341 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 35 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 1 intervention - of which BackStop is the first listed.
NCT02122341 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT02122341 about?
NCT02122341 is a clinical study titled "Clinical Evaluation of BackStop in Patients Undergoing Ureteroscopic Lithotripsy". The purpose of this clinical study is to evaluate BackStop, a polymer-based device that is intended to be used during ureteroscopic lithotripsy to prevent retrograde stone migration.
What is the current status of trial NCT02122341?
This trial is currently terminated. It is a NA study. The enrollment target is 35 participants. The study started on 2014-04. Estimated completion is 2016-07.
What interventions are being tested in trial NCT02122341?
The interventions under investigation include: BackStop (DEVICE).
Who is sponsoring clinical trial NCT02122341?
This trial is sponsored by University of Southern California, which has 617 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT02122341's enrollment target sits among peer trials
35 1564th of 2000 higher than 431 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT01697371 · 35 participants · NA
Proton Therapy in the Treatment of Liver Metastases
- NCT01940757 · 35 participants · Phase 1
Experimental Infection of Hookworm-naïve Adults With Dermally-applied Infectious Necator Americanus Hookworm Larvae
- NCT02235857 · 35 participants · NA
Post Approval Study of Liposorber LA-15 System for the Treatment of Focal Segmental Glomerulosclerosis in Children
- NCT02637934 · 35 participants · Phase 1
Phase I Pilot Study of Biodistribution, Metabolism and Excretion of Novel Radiotracer [18F]Fluorthanatrace (FTT) by PET/CT
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia