NCT04314492

Brief Summary

Treating sleep apnea in adults caused by tonsillar hypertrophy with intracapsular tonsillectomy by coblation

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2020

Longer than P75 for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 13, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

March 19, 2020

Completed
6 months until next milestone

Study Start

First participant enrolled

September 1, 2020

Completed
4.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 31, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2025

Completed
Last Updated

April 25, 2025

Status Verified

April 1, 2025

Enrollment Period

4.4 years

First QC Date

March 13, 2020

Last Update Submit

April 22, 2025

Conditions

Keywords

tonsil surgerytonsillectomyobstructive sleep apneacoblationintracapsular

Outcome Measures

Primary Outcomes (1)

  • Apnea-hypopnea index

    Post-operative apnea-hypopnea index reduction by 50% compared to preoperative values in polysomnography.

    6 months

Secondary Outcomes (8)

  • Quality of life measured by Glasgow Benefit Inventory

    6 months and 24 month and 60 months

  • Quality of life measured by Nordic tonsil surgery register questionnaire

    6 months - up to 5 years

  • Quality of life measured by Epworth sleepiness scale

    6 months - up to 5 years

  • Post-operative recovery

    21 days

  • Total recovery of obstructive sleep apnea

    6 months and 24 months and 60 months

  • +3 more secondary outcomes

Other Outcomes (2)

  • Apnea-hypopnea index

    24 months

  • Apnea-hypopnea index

    60 months

Study Arms (1)

Intracapsular tonsillectomy with coblation

EXPERIMENTAL

(Total) Intracapsular tonsillectomy (ICTE) with coblation

Procedure: Tonsillectomy

Interventions

TonsillectomyPROCEDURE

Intracapsular removal of tonsillar tissue (\>90%) with coblation

Intracapsular tonsillectomy with coblation

Eligibility Criteria

Age16 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • age 16-64
  • Planned tonsil surgery with informed concent
  • Obstructive sleep apnea (AHI \> 15)
  • Tonsillar size of 3-4 on the Friedman scale

You may not qualify if:

  • BMI \> 35 (Based on finnish Käypä Hoito -recommendations)
  • Central sleep apnea
  • Weight loss of more than 10% within the study period
  • Untreated obstruction of nasal breathing
  • Treated peritonsillar abscess \<1 month before enrollment
  • Active tonsillar infection
  • Previous tonsillar surgery (excluding incision of abscess)
  • Malignancy
  • High use of analgesics \>1 DDD daily during last 4 weeks
  • Untreated reflux
  • Anticoagulative medication
  • Any condition of hemophilia
  • Pregnancy, lactation
  • Other, evaluated by treating physician

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Satasairaala

Pori, Satakunta, 28500, Finland

Location

Turku University Hospital

Turku, Southwest Finland, 20521, Finland

Location

MeSH Terms

Conditions

Sleep Apnea, Obstructive

Interventions

Tonsillectomy

Condition Hierarchy (Ancestors)

Sleep Apnea SyndromesApneaRespiration DisordersRespiratory Tract DiseasesSleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System Diseases

Intervention Hierarchy (Ancestors)

Otorhinolaryngologic Surgical ProceduresSurgical Procedures, Operative

Study Officials

  • Jussi Jero, Professor

    University of Turku

    STUDY DIRECTOR
  • Jaakko Piitulainen, M.D., Ph.D.

    Turku University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Consultant, Doctor of Medical Science

Study Record Dates

First Submitted

March 13, 2020

First Posted

March 19, 2020

Study Start

September 1, 2020

Primary Completion

January 31, 2025

Study Completion

January 31, 2025

Last Updated

April 25, 2025

Record last verified: 2025-04

Data Sharing

IPD Sharing
Will not share

Locations