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NCT Number: NCT06606262

Tonsillectomy Versus Tonsillotomy in the Treatment of Recurrent Acute Tonsillitis

Background: recurrent acute tonsillitis (RT) is a frequent condition affecting teenagers and adults. Patients suffer from recurring throat symptoms, fever and impaired quality of life (QOL). Tonsillectomy (TE) is the only well-known treatment, but studies indicate that tonsillotomy (TO) is associated with less morbidity (eg. pain and bleeding) and equal efficiency (e.g. reduced number of sore throat episodes and improved QOL). The investigator aim to clarify whether TO is a non-inferior alternative to TE.

Methods: inclusion and randomization of 250 adult RT patients for TE or TO with a 12 month follow up. Comparisons will be made between groups, and outcome measures includes number of sore throat episodes, QOL and postoperative pain.

Discussion: the study has the potential to improve the treatment of a prevalent disease by enhancing knowledge of an alternative procedure (TO) associated with less discomfort and risk than the current standard procedure (TE) and a presumably low risk of insufficiency.

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Key information

Age range

15 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Aalborg University Hospital, Aalborg, Denmark

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Adults (age ≥15 years) with RT, defined as a minimum of five tonsillitis episodes in one year or a minimum of three tonsillitis episodes per year for two years (Danish National Guidelines criteria
  • The ability to understand Danish orally and in writing.

Exclusion criteria

  • Previous TE or TO.
  • Suspected tonsillar malignancy.
  • History of malignant tumor in the oral cavity, the pharynx or the larynx.
  • Previous radiation therapy on head or neck.
  • Hemorrhagic diathesis or anticoagulant therapy.

Treatment and study plan

Tonsillotomy

Procedure

Bilateral partial removal of the palatine tonsils to a level between the pharyngeal pillars and the tonsillar capsule. Surgery will be performed under general anesthesia using monopolar electrocautery.

Other names: Intracapsular tonsillectomy, TO

Tonsillectomy

Procedure

Bilateral extracapsular removal of palatine tonsils. Surgery will be performed under general anesthesia using "cold knife" dissection.

Other names: Extracapsular tonsillectomy, TE

Primary outcomes

  1. Number of sore throat episodes after TE vs. TO.

    Time frame: 12 months (and 24, 36 and 60 months)

  2. QOL measured as postoperative Tonsillectomy Outcome Inventory 14 (TOI-14) score after TE vs. TO

    Time frame: 12 months (and 24, 36 and 60 months)

    A disease-specific questionnaire for adults with tonsillitis. It is used pre- and postoperatively to detect changes in quality of life. It consists of 14 questions that covers four subscales: throat dis-comfort (question 1-4) general health (question 5-6), resources (question 7-10), and social psychological restrictions (question 11-14). The questionnaire uses a six-point Likert scale with 0 representing "no problem" and 5 representing "couldn't be worse". The points are summed, divided by the number of questions multiplied by 5, and multiplied by 100, giving scores in the range 0-100, where higher scores reflect poorer quality of life

  3. Summarized postoperative pain scores (days 1-10)

    Time frame: Days 1-10

    Measured on a numeric rating scale from 0 til 10 in which 0 represents "no pain" and 10 represents "excruciating pain"

  4. Overall postoperative discomfort (day 21)

    Time frame: Day 21

    Measured on a numeric rating scale from 0 til 10 in which 0 represents "no discomfort" and 10 represents "excruciating discomfort"

Secondary outcomes

  1. Proportion of patients cured (defined as postoperative TOI-14<15) after TE vs. TO

    Time frame: 12 months (and 24, 36 and 60 months)

  2. Overall patient satisfaction after TE vs. TO

    Time frame: 12 months (and 24, 36 and 60 months)

    Patients will be asked the following question: "Keeping in mind your full experience and the effects of surgery so far, are you satisfied with having undergone surgery?. Possible answers are 1) "yes", 2) "no" and 3) "I don't know"

  3. Postoperative Glasgow Benefit Inventory (GBI) score after TE vs. TO

    Time frame: 12 months (and 24, 36 and 60 months)

    A generic questionnaire for otorhinolaryngological interventions. It is used post-intervention to detect changes in quality of life. It consists of 18 questions that covers three subscales: a general health sub-scale (question 1-6, 9-10, 14, 16-18), a social support subscale (question 7, 11 and 15) and a physical health subscale (question 8, 12-13). The questionnaire uses a five-point Likert scale with 1 representing "worst change of health status" and 5 representing "best change of health status". The points are summed and divided by the number of questions (resulting in average scores), and by subtracting 3 and multiplying by 50, the final scores range from -100 to +100. 0 indicates no change, higher scores reflect better quality of life

  4. Number of sore throat days after TE vs. TO

    Time frame: 12 months (and 24, 36 and 60 months)

  5. Prevalence of reoperation after TE vs. TO

    Time frame: 12 months (and 24, 36 and 60 months)

Study contacts

Contact information is provided by the study sponsor or research team.

Hannah Inez Houborg, MD

CONTACT

[email protected]

+45 21256818

Tejs Ehlers Klug, MD, DMSc

CONTACT

[email protected]

Sponsors and collaborators

Lead sponsor

Tejs Ehlers Klug

Other

Collaborators

  • University of Aarhus

Registry information

Official study title

Tonsillectomy Versus Tonsillotomy in the Treatment of Recurrent Acute Tonsillitis: A Randomized Controlled Non-inferiority Trial

Important dates

Study start
2024
Primary completion
2026
Study completion
2029
First posted
Sep 20, 2024
Registry last updated
Dec 19, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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