Recruiting NA INTERVENTIONAL NCT05858502

Understanding the Determinants of Mucosal Immunity and Optimizing the Diagnosis of Infection With SARS-CoV-2 Variants (COVARIANT)

Sponsor: Biogroup Laboratoire de biologie médicale

Conditions COVID-19

Interventions Blood sample collection Exhaled Breath Condensate (EBC) Nasopharyngeal and nasal sample collection Saliva sample collection

Updated 7 times since 2023 Last updated: May 12, 2025 Started: Dec 15, 2023 Primary completion: Mar 15, 2026 Completion: Jun 18, 2026

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates COVID-19 and is currently actively recruiting participants. Biogroup Laboratoire de biologie médicale leads this study, which shows 7 recorded versions since 2023 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

Change History

7 versions recorded

Jun 2025 — Present [monthly]

Recruiting NA
Sep 2024 — Jun 2025 [monthly]

Recruiting NA
Jul 2024 — Sep 2024 [monthly]

Recruiting NA
May 2024 — Jul 2024 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting
Nov 2023 — May 2024 [monthly]

Not Yet Recruiting NA

▶ Show 2 earlier versions

Aug 2023 — Nov 2023 [monthly]

Not Yet Recruiting NA
Jun 2023 — Aug 2023 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Biogroup Laboratoire de biologie médicale
Institut Pasteur

Data source: Institut Pasteur

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Paris, France