Understanding diarrhea causes in Australian tourists visiting Southeast Asia

Frequency and Etiology of Travelers' Diarrhea in Australian Adult Tourists Traveling to Southeast Asia

Observational Lumen Bioscience, Inc. · NCT06363890

This study looks at how often Australian tourists get diarrhea while traveling in Southeast Asia and what might be causing it to help improve treatments in the future.

Quick facts

Study typeObservational
Enrollment1200 (estimated)
Ages18 Years to 100 Years
SexAll
SponsorLumen Bioscience, Inc. Industry-sponsored
Locations1 site (Melbourne)
Trial IDNCT06363890 on ClinicalTrials.gov

What this trial studies

This observational study aims to identify the frequency and causes of diarrhea among Australian adult tourists traveling to various Southeast Asian countries. Participants will be monitored for their health during their trip, with a focus on collecting data that will help inform future clinical trials for interventions targeting travelers' diarrhea. The study will utilize a TAQMan Array Card for analysis, providing insights into the epidemiology of the condition in this specific population.

Who should consider this trial

Good fit: Ideal candidates are Australian adults over 18 years old who plan to travel to Southeast Asia for 14 to 28 days within the next month.

Not a fit: Patients who are not planning to travel to the specified Southeast Asian countries or who cannot provide informed consent may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved prevention and treatment strategies for travelers' diarrhea in Australian tourists.

How similar studies have performed: While this study focuses on a specific population, similar studies have successfully identified causes of travelers' diarrhea, suggesting potential for valuable findings.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult aged \> 18 years residing in Australia.
* Planned travel for 14 to 28 days starting in the next 30 days to selected countries in Southeast Asia, including Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Thailand, Timor-Leste, and Vietnam.
* Willing to participate in the clinical study and available for all planned study activities through approximately 28 days post-travel.
* Access to a smartphone and mobile phone services while traveling (either by local SIM card, WiFi, or international roaming service on the individual's home-country mobile phone).

Exclusion Criteria:

* Unable or unwilling to provide adequate informed consent.

Where this trial is running

Melbourne

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Travelers Diarrheatravelers diarrheaaustralianepidemiology
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.