Suspended

Bizact Versus Electroscissor for Adult Tonsillectomy

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What is being tested

tonsillar dissection

Device
Who is being recruted

Infections+5

+ Stomatognathic Diseases

+ Otorhinolaryngologic Diseases

From 16 to 40 Years
+5 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 4
Interventional
Study Start: February 2019
See protocol details

Summary

Principal SponsorOslo University Hospital
Study ContactJohan Raeder, PhD
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: February 20, 2019

Actual date on which the first participant was enrolled.

In a randomized, partly double-blind prospective setup we want to compare traditional adult electro-scissor tonsillectomy With ultrasound Technology, Bizact.

Official TitleBizact Versus Electroscissor for Adult Tonsillectomy
NCT03854279
Principal SponsorOslo University Hospital
Study ContactJohan Raeder, PhD
Last updated: January 27, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

60 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

From 16 to 40 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

InfectionsStomatognathic DiseasesOtorhinolaryngologic DiseasesPharyngeal DiseasesPharyngitisRespiratory Tract DiseasesRespiratory Tract InfectionsTonsillitis

Criteria

2 inclusion criteria required to participate
planned elective tonsillectomy
informed consent
3 exclusion criteria prevent from participating
regular use of analgesics pre-operatively
known tendency of bleeding
not able to communicate in Norwegian

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

2 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Experimental
Tonsillectomy will be done With the Bizact device

Group II

Active Comparator
Tonsillectomy will be done With electro-scissors

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Recruiting

Dept of Anesthesiology, Oslo University Hospital, Ullevaal

Oslo, NorwayOpen Dept of Anesthesiology, Oslo University Hospital, Ullevaal in Google Maps
SuspendedOne Study Center