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Spinal anesthesia showdown: which additive offers better comfort for kidney stone surgery?

NCT ID NCT06957301

Symptom relief Sponsor: Alexandria University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 07, 2026 · Last updated Jul 08, 2026 · Updated 1 time

Summary

This trial tests whether adding fentanyl or dexmedetomidine to standard spinal anesthesia improves patient satisfaction and sedation during kidney stone surgery. Sixty adults aged 18–60 undergoing the procedure will receive one of the two combinations. The goal is to find which additive provides better pain control and a smoother recovery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
fentanyl and dexmedetomidine
What this could lead to
If one combination works better, it could offer a more comfortable and safer anesthesia option for kidney stone surgery.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply to everyone. Both drugs have known side effects like nausea or low blood pressure.

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

60 people

The number who actually took part.

Started

Apr 2025

Finished

Mar 2026

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.

Ages

18 to 60 years

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: * both sex aged between 18 and 60 years, * belonging to American Society of Anaesthesiologists (ASA) physical status Grade I and II undergoing PCNL under spinal anaesthesia. Exclusion Criteria: * Patients with a history of spine surgery, * infection at the injection site, * coagulopathy, * hypovolemia, * increased intracranial pressure, * indeterminate neurologic disease, * spinal deformities, * communication problems, * known hypersensitivity to local anaesthetics, opioids or dexmedetomidine

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As listed by the trial registrant

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

Percutaneous nephrolithotomy (PCNL)

Contacts and locations

Locations

  • Faculty of medicine ,Alexandria university

    Alexandria, Alexandria Governorate, 21521, Egypt

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