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Tonsil infection showdown: surgery vs. drainage

NCT ID NCT04543708

Disease control Sponsor: University Hospital, Geneva 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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 the best way to treat a tonsillar abscess, a painful infection near the tonsils. It compared two treatments: removing the tonsils (tonsillectomy) versus draining the pus with a needle under local anesthesia. The goal was to see which method works better to clear the infection and prevent it from coming back. The study included 42 adults and was stopped early.

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

42 people

The number who actually took part.

Started

Oct 2020

Finished

Feb 2024

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 years and older

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 ≥18 years of age with clinical suspicion of unilateral tonsillar abscess without signs of "extra-capsular" complication. * Obtaining informed consent. Exclusion Criteria: * Contraindications to injected CT or drainage in local anesthesia (allergy to iodinated contrast product, allergy to local anesthetics, phobia of needles, major trismus). * Parapharyngeal or retropharyngeal abscess, or associated venous thrombosis found on CT. * Imminent threat to the upper respiratory tract (glottic edema, acute dyspnea). * Inability to understand the different procedures (dementia, impossible communication, substance abuse). * Anamnestic pregnancy. * Antiaggregant or anticoagulant treatment. * Treatment of corticosteroids during the management of emergencies and in hospital.

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Conditions

The condition(s) this trial relates to.

abscess peritonsillar abscess

As listed by the trial registrant

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

Tonsillar abscess

Contacts and locations

Locations

  • University Hospitalas Geneva

    Geneva, Canton of Geneva, 1211, Switzerland