CRS Questionnaire Validation Project

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Trial	Conditions	Status	Phase	Updated	More info	NCT ID
CRS Questionnaire Validation Project	Chronic Rhinosinusitis (CRS) With and Without Nasal Polyps	Recruiting	Not stated	2026-09-09		NCT06970977

1 results · Page 1 of 1

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Organizations	Linked trials
The European Forum for Research and Education in Allergy and Airway Diseases	2

32 results · Page 1 of 2

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Research sites	City	Country	Linked trials
Ahmed Alkhadi Hospital	Durban	South Africa	1
Alrijne Zorggroep	Leiden	Netherlands	1
Brigham Sinus Center at Brigham and Women's Hospital	Boston	United States	1
Eastern Virginia Medical School	Virginia City	United States	1
HNO-Klinik, Universitätsklinikum Düsseldorf	Düsseldorf	Germany	1
Hospital Clinic Barcelona	Barcelona	Spain	15
Hospital Clínico Universitario de Compostela	A Coruña	Spain	1
Hospital de La Línea de La Concepción	Cadiz	Spain	1
Hospital de la Santa Creu i Sant Pau	Barcelona	Spain	64
Hospital del Bierzo	Ponferrada	Spain	1
Hospital General Universitario de Valencia	Valencia	Spain	7
Hospital Universitario Fuenlabrada	Madrid	Spain	2
Hospital Universitario Infanta Elena, Madrid y Hospital Universitario Fundación Jiménez Díaz	Madrid	Spain	1
Hospital Universitario Jerez de La Frontera	Cadiz	Spain	1
Hospital Universitario Marqués de Valdecilla	Santander	Spain	21
Hospital Universitario Puerta del Mar	Cadiz	Spain	11
Hospital Universitario Puerto Real	Cadiz	Spain	2
Hospital Universitario Ramón y Cajal	Madrid	Spain	42
Hospital Universitario Virgen Macarena	Seville	Spain	25
Northwestern University Feinberg School of Medicine	Chicago	United States	1
St. Michael's Hospital	Toronto	Canada	11
Thomas Jefferson University Hospital	Philadelphia	United States	271
U. Aristotle	Thessaloniki	Greece	1
UCLA Santa Monica Medical Center	Santa Monica	United States	3
Univ Amsterdam	Amsterdam	Netherlands	1

Clinical trials