Kidney stone showdown: shock waves vs. tiny surgery
NCT ID NCT07610252
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compared two ways to remove kidney stones smaller than 20 mm: shock wave lithotripsy (ESWL) and ultra-mini surgery (PCNL). 138 adults aged 20-60 with a single stone in the kidney pelvis took part. The main goals were to see which method cleared stones better and which caused fewer urinary tract infections.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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138 people
The number who actually took part.
- Started
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Jul 2025
- Finished
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Dec 2025
- 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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20 to 60 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients of any gender * Aged 20-60 years * With a single kidney stone in renal pelvis smaller than 20 mm Exclusion Criteria: * Pregnancy * Hemorrhage problems * Sepsis and pyonephrosis * With pelvic kidneys * Obstruction of the pelvi-ureteric junction * Chronic illness (chronic liver disease, chronic renal failure, chronic drug use)
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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.
Contacts and locations
Locations
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Bahawal Victoria Hospital/Quaid-e-Azam Medical College
Bahawalpur, Punjab Province, 63100, Pakistan
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Other studies related to the condition(s) this trial covers.
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