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New stent design aims to ease pain after kidney stone removal

NCT ID NCT07535580

Symptom relief Sponsor: Austin Health 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tested a modified Single-J ureteric stent designed to cause less discomfort than the standard Double-J stent after kidney stone surgery. 28 adults who already had a stent placed before surgery received the modified stent during their procedure. Researchers compared symptom scores and checked if the stent moved out of place, finding it may offer a more comfortable option.

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

28 people

The number who actually took part.

Started

Oct 2025

Finished

Mar 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 years and older

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: * Age ≥ 18 years * Undergoing elective ureteroscopy (URS) and stent exchange for ureteric stone disease * Able and willing to provide written informed consent * Sufficient English proficiency to complete the USDT symptom questionnaire Exclusion Criteria: * Single functioning kidney or bilateral ureteric disease * History of ureteric strictures or prior ureteric reconstruction * Pregnancy or breastfeeding * Active urinary tract infection at time of URS * Immunocompromised state (e.g. ongoing chemotherapy or high-dose corticosteroids) * Any contraindication to ureteric stenting or flexible cystoscopy * Unwilling or unable to comply with follow-up procedures * Complex intraoperative findings precluding safe SJS insertion, including: ureteric stone \>10mm, impacted stone, stone in the intramural ureter, difficult stent placement, or significant intraoperative haematuria

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Conditions

The condition(s) this trial relates to.

ureterolithiasis

As listed by the trial registrant

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

Ureter calculi

Contacts and locations

Locations

  • Austin Health

    Melbourne, Victoria, 3084, Australia

More trials for these conditions

Other studies related to the condition(s) this trial covers.