Risk Factors and Clinical Implications of Double-J Ureteral Stent Bacterial Colonization: A Prosp… (NCT07740811) | Clinical Trial Compass
RecruitingNot Applicable
Risk Factors and Clinical Implications of Double-J Ureteral Stent Bacterial Colonization: A Prospective Cohort Study
Egypt400 participantsStarted 2026-04-01
Plain-language summary
To identify the risk factors associated with bacterial colonization of Double-J ureteral stents and to evaluate its clinical implications, including bacteriuria, UTI, antimicrobial resistance, and stent-related symptoms.
Who can participate
Age range
18 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Patients undergoing temporary Double-J ureteral stent insertion.
* Stent inserted for a standard urological indication, including ureteric stone disease, ureteral obstruction, postoperative drainage, or ureteral injury repair.
* Planned stent removal during the study follow-up period.
* Availability for clinical follow-up and specimen collection at insertion and removal.
* Provision of written informed consent.
Exclusion Criteria:
* Active urosepsis at the time of stent insertion.
* Permanent or intended long-term stenting outside the study framework.
* Concomitant nephrostomy tube or urinary diversion that may confound microbiological results.
* Known severe immunosuppression or neutropenia if expected to substantially alter colonization risk.
* Patients with incomplete baseline clinical data.
* Patients lost to follow-up or whose stent could not be retrieved for microbiological analysis.
* Refusal to participate.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Bacterial colonization of the Double-J ureteral stent, defined as positive growth on stent culture at removal.