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Custom-Fit stents may ease kidney stone recovery

NCT ID NCT07580963

Symptom relief Sponsor: Weill Medical College of Cornell University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study compares custom-length ureteral stents (based on each person's imaging) to standard one-size-fits-all stents in 128 adults having kidney stone surgery. The goal is to see if the custom stents reduce pain, urinary issues, and other symptoms. Participants will fill out a questionnaire about their quality of life after stent placement.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 128 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Male or female age 18-80 years 2. Urolithiasis requiring ureteroscopic management with ureteral stent placement 3. CT scan showing evidence of upper tract urolithiasis 4. Negative pre-operative urine culture 5. No symptoms of urinary tract infection Exclusion Criteria: 1. Known urinary tract anatomical abnormality, reconstructed urinary system, or congenital anomaly 2. Ureteral stent inserted within the last 31 days 3. History of peptic ulcer disease, symptomatic benign prostatic hyperplasia, interstitial cystitis, chronic pelvic pain syndrome, neurogenic lower urinary tract dysfunction, ureteral stricture disease 4. Chronic narcotic use 5. Allergy to non-steroidal anti-inflammatory medications 6. Documentation of urinary tract infection within the last 31 days 7. Pregnant 8. Surgery being performed on transplanted kidney 9. Unable to understand the questionnaire 10. Requiring metallic stent placement 11. Requiring bilateral or long-term stent insertion 12. Requiring stent insertion after open or percutaneous renal procedures

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Conditions

The condition(s) this trial relates to.

urolithiasis

As listed by the trial registrant

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

Ureteral stent-related symptom

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • NewYork-Presbyterian Hospital Weill Cornell Medical Center

    New York, New York, 10065, United States

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