How airway immune defenses clear COVID-19

Coordination of innate and cellular mucosal immunity in SARS-CoV-2 clearance

['FUNDING_R01'] · EMORY UNIVERSITY · NIH-11249681

This project explores how natural immune defenses in the nose, throat, and lungs work together to remove SARS‑CoV‑2 and protect people from COVID‑19.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorEMORY UNIVERSITY (nih funded)
Locations1 site (ATLANTA, UNITED STATES)
Trial IDNIH-11249681 on ClinicalTrials.gov

What this research studies

Researchers are using laboratory models that mimic human COVID‑19 infection to study early innate responses (like interferons and CCR2‑monocytes) and later T cell responses in the upper and lower airways. They compare immune activity in the nose and throat (upper respiratory tract) versus the lungs to identify which cells and signals control viral replication and clearance. The team uses mouse models of SARS‑CoV‑2 infection and detailed immune measurements to map how mucosal innate and cellular immunity are coordinated. Results aim to reveal immune mechanisms that could be targeted to improve vaccines or treatments that act at the airway surface.

Who could benefit from this research

Good fit: People recently infected with or exposed to SARS‑CoV‑2, or vaccinated individuals willing to provide nasal or throat samples, would be most relevant for related human sampling efforts.

Not a fit: Patients who need immediate treatment for severe or advanced COVID‑19 are unlikely to receive direct clinical benefit from this basic immunology research.

Why it matters

Potential benefit: If successful, this work could reveal ways to boost mucosal immunity to reduce infection, transmission, and severe COVID‑19.

How similar studies have performed: Prior work has shown antibodies and some innate components matter for protection and mouse studies identified CCR2‑monocytes as important, but coordination of mucosal innate and T cell responses is less well understood.

Where this research is happening

ATLANTA, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Conditions: Acute Lung Injury, Acute Pulmonary Injury

Last reviewed 2026-05-15 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.