How cetylpyridinium chloride affects immune cell function

Mechanisms of cetylpyridinium chloride inhibition of immune cell function

['FUNDING_R15'] · UNIVERSITY OF MAINE ORONO · NIH-10513855

This study is looking at how a common antibacterial ingredient called cetylpyridinium chloride (CPC) affects immune cells in your body, especially in your mouth, to see if it might cause any harm to your health.

Quick facts

Phase['FUNDING_R15']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF MAINE ORONO (nih funded)
Locations1 site (ORONO, UNITED STATES)
Trial IDNIH-10513855 on ClinicalTrials.gov

What this research studies

This research investigates the effects of cetylpyridinium chloride (CPC), a common antibacterial agent found in various products, on immune cell function. The study focuses on how low concentrations of CPC can inhibit the signaling processes in mast cells and T cells, which are crucial for immune responses. By examining the biochemical pathways involved, the research aims to understand the potential toxicological effects of CPC on human health, particularly in the oral environment where it is frequently encountered. The approach includes laboratory experiments to analyze the cellular responses of these immune cells when exposed to CPC.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who frequently use products containing cetylpyridinium chloride, such as mouthwashes or certain personal care items.

Not a fit: Patients who do not use products containing cetylpyridinium chloride or have no exposure to it may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a better understanding of how common antibacterial agents like CPC affect immune health, potentially guiding safer product formulations.

How similar studies have performed: While there is limited research specifically on CPC's effects on immune cells, similar studies on other antibacterial agents have shown significant impacts on immune function.

Where this research is happening

ORONO, 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.