Understanding the role of mouth bacteria in COVID-19 severity

The Oropharyngeal Microbiome in COVID-19

['FUNDING_R21'] · UNIVERSITY OF PENNSYLVANIA · NIH-10906737

This study is looking at how the bacteria in our mouths might affect how seriously older adults get sick from COVID-19, hoping to find ways to improve treatment by understanding these bacteria's role in the immune response.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF PENNSYLVANIA (nih funded)
Locations1 site (PHILADELPHIA, UNITED STATES)
Trial IDNIH-10906737 on ClinicalTrials.gov

What this research studies

This research investigates how the bacteria present in the mouth may influence the severity of COVID-19 infections, particularly in older adults. It aims to understand the relationship between the oropharyngeal microbiome and the body's immune response to the virus. By examining how these bacteria interact with the virus and affect its replication, the study seeks to uncover mechanisms that could lead to more severe respiratory issues. The research will involve analyzing samples from patients to identify patterns that could inform treatment strategies.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals aged 65 and older who have been diagnosed with COVID-19.

Not a fit: Patients under the age of 65 or those without a COVID-19 diagnosis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing or mitigating severe COVID-19 outcomes in older adults.

How similar studies have performed: Previous research has shown that the microbiome can influence respiratory infections, suggesting that this approach may yield valuable insights.

Where this research is happening

PHILADELPHIA, 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 →

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.