Exploring the nasal microbiome's role in diseases like chronic rhinosinusitis and COVID-19

The Importance of the Nasal Microbiome in Transmission and Disease

Observational University of Aarhus · NCT05061329

This study looks at the bacteria in the nose of healthy people and those with smell problems from COVID-19 or chronic sinus issues to see how it might affect their health and treatment options.

Quick facts

Study typeObservational
Enrollment619 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Aarhus Academic / other
Drugs / interventionsdupilumab, mepolizumab
Locations1 site (Holstebro, Central Jutland)
Trial IDNCT05061329 on ClinicalTrials.gov

What this trial studies

This observational study investigates the nasal microbiome across different patient groups, including healthy individuals and those with olfactory dysfunction related to COVID-19 and chronic rhinosinusitis. It employs case-control and longitudinal cohort designs, collecting microbiome samples from the nasal cavity and oral pharynx for analysis using next-generation sequencing. The study aims to understand how the nasal microbiome differs among these groups and its potential implications for treatment and diagnosis.

Who should consider this trial

Good fit: Ideal candidates include adults over 18 with chronic rhinosinusitis, olfactory dysfunction, or those recovering from COVID-19.

Not a fit: Patients with active anticoagulation treatment, autoimmune diseases, or those who have taken antibiotics or immunomodulating drugs in the last three months may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance understanding of the nasal microbiome's role in olfactory dysfunction and lead to improved treatment strategies for chronic rhinosinusitis and COVID-19-related symptoms.

How similar studies have performed: While the study's approach is novel in its specific focus on the nasal microbiome in these conditions, similar studies have shown promising results in understanding microbiome impacts on health.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

Exclusion Criteria:

* Does not wish to participate in study

Where this trial is running

Holstebro, Central Jutland

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Chronic RhinosinusitisCOVID-19Anosmia
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.