Sponsor study identifier
interventional
99
1 country
1
Study Start
April 1, 2021
Actual (reported)Primary Completion
March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
(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.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
April 1, 2021
Actual (reported)April 27, 2021
Actual (reported)May 3, 2021
Actual (reported)March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Nasal Polyp Score
Nasal Polyps
12 months
1\) Fronto-Sphenoethmoidektomie 2) Draf 2b 3) Draf 3
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Zurich University Hospital
Zurich, 8091, Switzerland
First Submitted
April 27, 2021
First Posted
May 3, 2021
Study Start
April 1, 2021
Actual (reported)Primary Completion
March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Contact the study team to confirm eligibility.
Study Completion
March 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
May 8, 2024
Record last verified: 2024-05
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Source: ClinicalTrials.gov.
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