- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04869436
Olfactory Outcomes of Dupilumab Treatment for Nasal Polyposis
The 'Real World' Olfactory Outcomes Treating Nasal Polyposis With Dupilumab
The study aims to investigate the olfactory TDI score (Threshold, Discrimination, Identification) using the Sniffin' sticks test for patients with chronic rhinosinusitis with nasal polyps (CRSwNP) on dupilumab. Twenty-seven adult patients will be followed up during the treatment with dupilumab on three visits to the Otolaryngology Clinic (Baseline, 3 months and 6 months).
The primary endpoint will be the TDI score. Nasal polyp score, Quality of Olfactory Disorders - negative symptoms (QOD-NS symptom scores), SNOT-22 will be secondary endpoints.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: Taciano Rocha, PhD
- Phone Number: 61125 +15196466100
- Email: taciano.rocha@sjhc.london.on.ca
Study Locations
-
-
Ontario
-
London, Ontario, Canada, N5A 4V2
- Recruiting
- St. Joseph's Health Care
-
Contact:
- Leigh J Sowerby
-
Principal Investigator:
- Leigh J Sowerby, MD
-
Sub-Investigator:
- Brian Rotenberg, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients older than 18 years old
- Chronic rhinosinusitis with Nasal Polyps
- Olfactory loss
- Clinical indication for treatment with Dupilumab
Exclusion Criteria:
Patients with olfactory loss from other causes such as:
- Sinonasal malignancies
- Trauma
- Idiopathic olfactory loss
- Use of cocaine
- COVID-19 related olfactory loss
- Pregnancy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dupilumab group
Patients with CRSwNP will have an initial dose of 600 mg of dupilumab, and 5 additional doses of 300mg every 4 weeks for 6 months.
|
Dupilumab will be administered subcutaneously for 6 months (1 initial 600mg dose + 5 300mg doses every 4 weeks)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline in the Smell Threshold, Identification and Discrimination (TDI score) at week 12 and week 24.
Time Frame: Baseline, 12 weeks and 24 weeks.
|
The Sniffin' Sticks test involves testing odor for threshold and discrimination whilst blind folded and secondly odor identification.
The sum of four odors responses ranges from 0-16.
The sum of total score from odor Threshold, Discrimination and Identification (TDI) is a maximum of 48 points.
The total score is graded as; normosmia equals or over 30.5 points, hyposmia 16.5-30 points and anosmia less than 16.5 points.
|
Baseline, 12 weeks and 24 weeks.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from Baseline in the Nasal Polyps score at weeks 12 and 24.
Time Frame: Baseline, 12 weeks and 24 weeks.
|
Nasal Polyps score is the sum of the right and left nostril scores (endoscopic assessment).
Total score ranges from 0 (no polyps) to 8 (large polyps on for each nostril [4+4] ).
|
Baseline, 12 weeks and 24 weeks.
|
Change from Baseline in the Sino-nasal outcome test- 22 (SNOT-22) at weeks 12 and 24.
Time Frame: Baseline, 12 weeks and 24 weeks.
|
SNOT-22 is a validated questionnaire to assess the impact of chronic rhinosinusitis on patients' quality of life.
Patient grades the impact of 22 potential symptoms in their life, by choosing from 0 [no problem] to 5 [problem as bad as it can be].
Highest possible score is 10 (worst quality of life); minimal clinically important change ≥ 8.90
|
Baseline, 12 weeks and 24 weeks.
|
Change from Baseline in the QOD-NS at weeks 12 and 24.
Time Frame: Baseline, 12 weeks and 24 weeks.
|
Quality of Olfactory Disorders - negative symptoms (questionnaire)
|
Baseline, 12 weeks and 24 weeks.
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Leigh J Sowerby, MD, FRCS, St. Joseph's Hospital London, ON, Canada
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 3618
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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