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Thousands of boys studied to see if circumcision painkiller causes rare side effect

NCT ID NCT06545058

Knowledge-focused Sponsor: Universitair Ziekenhuis Brussel 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at over 2,000 boys who had circumcision to see if a numbing medicine called ropivacaine is safe when injected near the penis. The main concern was whether it could cause tissue death (necrosis) of the glans. The goal was to find out how often this rare problem happens and confirm the medicine's overall safety.

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

2,086 people

The number who actually took part.

Started

Jan 2000

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

All children aged up to 16 years who underwent a circumcision at UZ Brussel, between 1 January 2000 and 31 December 2021

Ages

Up to 16 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * All male children aged up to 16 years * All circumcision made at UZ Brussel * All revision of circumcision made at UZ Brussel * All procedures between 1 January 2000 and 31 December 2021 * All type ASA * Penile Block performed by anesthesiologist * All Penile Block performed with local anesthetics at diverse concentrations Exclusion Criteria: * Canceled procedure * Missing anesthetic records * Children who received caudal block by anesthesiologist in charge * Children who received local infiltration of local anesthetics by the surgeon

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Conditions

The condition(s) this trial relates to.

Necrosis Pain

As listed by the trial registrant

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

Necrosis Pain

More trials for these conditions

Other studies related to the condition(s) this trial covers.