Investigating a new vaccine for bacterial diarrhea caused by E. coli.

Evaluation of Memory Responses and Biomarkers from a Phase IEnterotoxigenic Escherichia coli (ETEC) Intramuscular SubunitVaccine with dmLT Adjuvant

NIH-funded research Tulane University of Louisiana · NIH-10897984

This study is testing a new vaccine to help protect kids and military personnel from a common cause of diarrhea called E. coli, and it looks at how different doses of the vaccine can boost the body's immune response.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionTulane University of Louisiana NIH-funded
Lab location1 site (New Orleans, United States)
Project IDNIH-10897984 on NIH RePORTER

What this research studies

This research focuses on developing a vaccine to protect against Enterotoxigenic E. coli (ETEC), a leading cause of bacterial diarrhea, particularly in children and military personnel. The study builds on a previous Phase 1 trial that tested a vaccine using specific components of the bacteria combined with an adjuvant to enhance immune response. Researchers will analyze blood samples from trial participants to identify key biomarkers and understand how different vaccine doses affect immune memory and response. This work aims to improve vaccine effectiveness and longevity of protection against ETEC.

Who could benefit from this research

Good fit: Ideal candidates for this research include children, travelers, and military personnel who are at risk of ETEC infections.

Not a fit: Patients who are not at risk for ETEC infections or those who have already been vaccinated against it may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to a safe and effective vaccine that significantly reduces the incidence of bacterial diarrhea caused by ETEC.

How similar studies have performed: Previous vaccine trials targeting ETEC have shown promising results, indicating that this approach has potential for success.

Where this research is happening

New Orleans, 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.
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.