Evaluating immune markers in respiratory viral infections

Evaluation of the Type 1 IFN Response in Viral Infections

Observational Hospices Civils de Lyon · NCT06017310

This study is testing if certain immune markers in the body can help doctors diagnose respiratory viral infections more easily and accurately.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
SexAll
SponsorHospices Civils de Lyon Academic / other
Locations1 site (Lyon, Rhone)
Trial IDNCT06017310 on ClinicalTrials.gov

What this trial studies

The Respiferon Project aims to improve the diagnosis of respiratory viral infections by evaluating the performance of immune markers, specifically interferon I and III, derived from host responses. This observational study will analyze nasopharyngeal samples that have tested positive for viruses, utilizing established viral culture techniques to confirm their replicative nature. By focusing on the immune response rather than directly identifying pathogens, the study seeks to streamline the diagnostic process and address the challenges posed by the variety of respiratory viruses.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals with positive nasopharyngeal samples for respiratory viruses that have been confirmed through viral culture.

Not a fit: Patients without positive nasopharyngeal samples or those who do not consent to participate will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to faster and more accurate diagnostic tests for respiratory viral infections, improving patient outcomes.

How similar studies have performed: While the approach of using immune markers for diagnosis is promising, it is still relatively novel and has not been extensively tested in similar studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Positive nasopharyngeal samples for the detection of a virus, for which the replicative character has been established by the viral culture technique (500µL minimum required)
* Samples kept at the CRB since 2018
* Information to patients carried out and non-objection collected-

Exclusion Criteria:

* N/A

Where this trial is running

Lyon, Rhone

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 Respiratory Viral Infectionrespiratory virusesNasal IFN-1 ScoreNasopharyngeal SwabReplicative virusInfectiousness
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.