A vaccine to protect against Shigella and ETEC infections

A cross protective multivalent vaccine for Shigella and ETEC

['FUNDING_R01'] · JOHNS HOPKINS UNIVERSITY · NIH-11042237

This study is testing a new vaccine called MecVax that aims to protect people from two common bacteria that cause diarrhea, Shigella and ETEC, by using a special mix of proteins to boost the immune system, and it's currently being tested in animals before it can be given to humans.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorJOHNS HOPKINS UNIVERSITY (nih funded)
Locations1 site (BALTIMORE, UNITED STATES)
Trial IDNIH-11042237 on ClinicalTrials.gov

What this research studies

This research aims to develop a combination vaccine that provides protection against two major bacterial causes of diarrhea, Shigella and enterotoxigenic Escherichia coli (ETEC). The vaccine, called MecVax, utilizes a novel approach that combines multiple immune-stimulating proteins into a single injectable formulation. By targeting specific proteins and toxins associated with these bacteria, the vaccine is designed to elicit a strong immune response, potentially preventing severe gastrointestinal illness in affected populations. The research involves testing the vaccine in animal models to assess its safety and effectiveness before moving to human trials.

Who could benefit from this research

Good fit: Ideal candidates for this research include children under 11 years old and adults over 21 who are at risk of infections from Shigella and ETEC.

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

Why it matters

Potential benefit: If successful, this research could lead to a licensed vaccine that significantly reduces the incidence of severe diarrhea caused by Shigella and ETEC, particularly in vulnerable populations such as children and travelers.

How similar studies have performed: Other research has shown promise in developing vaccines for similar bacterial infections, indicating that this approach has potential for success.

Where this research is happening

BALTIMORE, 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.