New oral vaccine targets Traveler's diarrhea

NCT ID NCT01147445

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage trial tests a new oral vaccine (dmLT) designed to protect against diarrhea caused by a harmful type of E. coli. About 36 healthy adults aged 18-45 will receive one of four vaccine doses. Researchers will monitor safety, side effects, and immune response over about 8 months.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

oral ETEC vaccine (dmLT)

What this could lead to

If successful, this could lead to a safe vaccine against a common cause of travelers' diarrhea.

What could go wrong

This is a very early Phase 1 safety trial with only 36 people. The vaccine may not trigger a strong immune response or could cause side effects at higher doses.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

escherichia coli infection prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Cincinnati Children's Hospital Medical Center - Gastroenterology, Hepatology and Nutrition

    Cincinnati, Ohio, 45229-3026, United States

  • University of Maryland, School of Medicine, Center for Vaccine Development and Global Health

    Baltimore, Maryland, 21201-1509, United States