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CRSNCT04868695

Subjective and Objective Outcome of ESS in CRSwNP

A study testing 1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3 in people with CRS, run by University of Zurich at 1 site in Switzerland.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

(A): Beidseitige Fronto-Spheno-Ethmoidektomie mit Erweiterung des natürlichen Zuganges zur Stirnhöhle (Draf Typ II): Unter einem Draf Typ II Zugang versteht man die Erweiterung des natürlichen Zuganges zur Stirnhöhle mit Entfernung des Bodens der Stirnhöhle zwischen der Lamina papyracea zur Augenhöhle und der… Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
CRS
What is being tested?
1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
99 participants
Where
1 siteSwitzerland
Study dates
1 Apr 2021to 1 Mar 2025
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Symptomatic CRSwNP patients without improvement after conservative treatment for at least 6 months Extent of disease at least Davos Polyp Score ≥ 4 points Age 18-65 years Signed consent

Who cannot join

  • Previous sinunasal surgery High resolution paranasal sinus CT shows other pathology (e.g. mucocele) Incapable of judgement

Trial locations and contacts

1 site in 1 country.

Michael B Soyka, MD contact

0432531460

rhinologie@usz.ch

Christian Meerwein, MD contact

0432531460

rhinologie@usz.ch

Switzerland1 site, 1 recruiting
  • Zurich University Hospital

    Zurich, 8091

    Michael Soyka, Dr.med., +41 44 255 11 11, michael.soyka@usz.ch

    Michael Soyka, Dr.med.

    Recruiting

Other trials in Switzerland

About this study

Official title: Subjective and Objective Outcom Eof Endoscopic Sinus Surgery in Patients With Chronic Rhinosinusitis With Nasal Polyps

(A): Beidseitige Fronto-Spheno-Ethmoidektomie mit Erweiterung des natürlichen Zuganges zur Stirnhöhle (Draf Typ II): Unter einem Draf Typ II Zugang versteht man die Erweiterung des natürlichen Zuganges zur Stirnhöhle mit Entfernung des Bodens der Stirnhöhle zwischen der Lamina papyracea zur Augenhöhle und der mittleren Nasenmuschel.

(B): Beidseitige Fronto-Spheno-Ethmoidektomie mit maximaler Erweiterung des Zuganges zur Stirnhöhle (Draf Typ III): Unter einem Draf Typ III verste. (C) Beidseitige Spheno-Ethmoidektomie: Abtragung des Processus uncinatus, die Eröffnung der Kieferhöhle, die Eröffnung des vorderen und hinteren Siebbeinsystems und die Eröffnung der Keilbeinhöhle.

Read the detailed description

(A): Beidseitige Fronto-Spheno-Ethmoidektomie mit Erweiterung des natürlichen Zuganges zur Stirnhöhle (Draf Typ II): Unter einem Draf Typ II Zugang versteht man die Erweiterung des natürlichen Zuganges zur Stirnhöhle mit Entfernung des Bodens der Stirnhöhle zwischen der Lamina papyracea zur Augenhöhle und der mittleren Nasenmuschel.

(B): Beidseitige Fronto-Spheno-Ethmoidektomie mit maximaler Erweiterung des Zuganges zur Stirnhöhle (Draf Typ III): Unter einem Draf Typ III verste. (C) Beidseitige Spheno-Ethmoidektomie: Abtragung des Processus uncinatus, die Eröffnung der Kieferhöhle, die Eröffnung des vorderen und hinteren Siebbeinsystems und die Eröffnung der Keilbeinhöhle.

Conditions
CRS
Being tested
1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3Procedure or surgery

    1. Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
Study groups in NCT04868695
Study groupRoleWhat they receive
Bilateral Spheno-Ethmoidectomy:ExperimentalNot described
Receives: Procedure: 1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
Bilateral Fronto-Spheno-Ethmoidectomy + Draf 2bExperimentalNot described
Receives: Procedure: 1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
Draf Typ 3ExperimentalNot described
Receives: Procedure: 1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Nasal Polyp Score

    Nasal Polyps

    Measured: 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted3 May 2021
  2. Study start1 Apr 2021
  3. Primary completion1 Mar 2025 (estimated)
  4. Study completion1 Mar 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
99 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04868695
Sponsor's protocol ID
ID 2020-00322
Status last verified
May 2024
First submitted
27 Apr 2021
Last updated
8 May 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A study testing 1) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3 in people with CRS, run by University of Zurich at 1 site in Switzerland.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 8 May 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Michael B Soyka, MD (0432531460, rhinologie@usz.ch), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Nasal Polyp Score (time frame: 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 May 2024; AzTrials last refreshed its copy on 7 Nov 2026.

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