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Kidney stone surgery bleeding risk may be lower than thought

NCT ID NCT07360795

Knowledge-focused Sponsor: Elazıg Fethi Sekin Sehir Hastanesi Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 reviewed 500 patients who had a common kidney stone surgery (PCNL) done by one surgeon. The goal was to find out how often significant bleeding and blood transfusions actually happen. The results could help doctors give patients more accurate information about the risks of this procedure.

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.

Participants

500 people

The number who actually took part.

Started

Aug 2022

Finished

Dec 2025

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.

Who is studied

Patients diagnosed with nephrolithiasis who underwent percutaneous nephrolithotomy at a single tertiary care center. The study population consists of adult patients treated by a single surgeon, with perioperative and postoperative outcomes evaluated retrospectively.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Patients who underwent percutaneous nephrolithotomy (PCNL) * Availability of complete intraoperative and postoperative follow-up data * Availability of preoperative and postoperative complete blood count and biochemical laboratory results Exclusion Criteria: * Pregnancy * Conversion to open or laparoscopic surgery during PCNL * Simultaneous additional surgical procedures, bilateral or synchronous bilateral PCNL * Known coagulation disorders, hematological diseases, or active bleeding in the preoperative period * Use of anticoagulant or antiplatelet therapy without appropriate perioperative management * Preoperative blood transfusion requirement * Severe intraoperative hemodynamic instability affecting the surgical course * Missing hemoglobin or hematocrit data, insufficient transfusion or complication records * Inadequate postoperative follow-up or transfer to another institutionConversion to open or laparoscopic surgery during PCNL * Simultaneous additional surgical procedures, bilateral or synchronous bilateral PCNL * Known coagulation disorders, hematological diseases, or active bleeding in the preoperative period * Use of anticoagulant or antiplatelet therapy without appropriate perioperative management * Preoperative blood transfusion requirement * Severe intraoperative hemodynamic instability affecting the surgical course * Missing hemoglobin or hematocrit data, insufficient transfusion or complication records * Inadequate postoperative follow-up or transfer to another institution

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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.

Urolithiasis

Contacts and locations

Locations

  • Elazığ Fethi Sekin City Hospital

    Elâzığ, Elâzığ, 23100, Turkey (Türkiye)

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