Can a steroid blast calm kidney stent pain?
NCT ID NCT06930690
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a high dose of the steroid dexamethasone (20 mg) can reduce urinary symptoms and pain after kidney stone surgery when a temporary stent is placed. About 70 adults will receive either the high dose or a standard dose (4 mg) during surgery and report their symptoms through questionnaires and clinic visits. The goal is to see if the higher dose improves quality of life in the days after the procedure.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 70 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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. Age 18-70 years old 2. Patients who are undergoing unilateral retrograde ureteroscopy (semi-rigid or flexible) with planned ureteral stent placement for treatment of renal/ureteral stones 3. Patients who can read and understand English 4. Patients who can follow up post-operatively within 7 days at Houston Methodist Hospital Exclusion Criteria: 1. Untreated UTI 2. HbA1c ≥6.5 on preoperative testing 3. Patients with prior diagnosis of any type of diabetes mellitus 4. Patients with immunosuppression, including chronic corticosteroid use 5. Patients with bleeding disorder 6. Patients with chronic liver disease, cirrhosis, and liver failure. 7. Patients taking strong CYP3A4 inducers or inhibitors within two weeks of screening 8. Chronic opioid analgesic use 9. Congenital renal abnormalities (e.g. pelvic kidney, ureteric duplication) that may impair stent placement 10. Concurrent genitourinary malignancy 11. Urinary diversion 12. Renal transplantation 13. History of interstitial cystitis/painful bladder syndrome, prostatitis, pelvic pain due to other conditions (e.g. endometriosis) 14. Neurologic disorder (e.g. spinal cord injury, multiple sclerosis, spina bifida) 15. Pregnant or breastfeeding 16. Patients with cognitive impairments or untreated psychiatric illness
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Houston Methodist Hospital
RECRUITINGHouston, Texas, 77005, United States
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