Actively Recruiting

Age: 18Years - 65Years
All Genders
Healthy Volunteers
NCT06680843

Characterization of Human Immune Signatures to Zoonotic Virus Exposure in Cambodia

Led by National Institute of Allergy and Infectious Diseases (NIAID) · Updated on 2026-05-06

400

Participants Needed

5

Research Sites

182 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This is a biospecimen procurement protocol to characterize the immune response to zoonotic virus exposure in healthy adult humans aged 18 to 65 years with high-risk exposure to animals or their excreta (e.g., guano farming and wet markets), or living within 5 km of animal habitats (e.g., bat caves and bat roosts) in Cambodia.

CONDITIONS

Official Title

Characterization of Human Immune Signatures to Zoonotic Virus Exposure in Cambodia

Who Can Participate

Age: 18Years - 65Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Capacity to provide informed consent
  • Adult aged 18-65 years
  • Interaction with suspected infected animals within the last 2 years, including hunting, slaughtering, consuming, fruit collection, date palm sap harvesting, tree pruning near bat roosts, bat guano farming, work in live animal markets or wild animal habitats, or living within 5 km of such habitats
  • Willingness to allow biological samples and data to be stored for future research
Not Eligible

You will not qualify if you...

  • Pregnancy (self-reported)
  • Any chronic or current medical condition that might interfere with participation, such as difficulty in drawing blood or known anemia
  • Symptoms suggestive of acute infection within 7 days before enrollment (e.g., muscle pain, joint pain, headache, retro-orbital pain, difficulty breathing, rash)
  • Signs of acute infection at screening, including fever over 38°C, low oxygen saturation below 90%, or low blood pressure
  • Self-reported immune deficiency, including HIV infection, chronic corticosteroid use equivalent to 10 mg prednisone or more for at least 30 days in the past year, recent or past chemotherapy or immunotherapy within 10 years, or current blood cancers
  • Receipt of blood products, including immunoglobulin, within 120 days before enrollment

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 5 locations

1

Communicable Disease Control Department

Battambang, Cambodia

Actively Recruiting

2

Communicable Disease Control Department

Kampong Thom, Cambodia

Actively Recruiting

3

Communicable Disease Control Department

Kampot, Cambodia

Actively Recruiting

4

Communicable Disease Control Department

Stung Treng, Cambodia

Actively Recruiting

5

Communicable Disease Control Department

Takeo, Cambodia

Actively Recruiting

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Research Team

C

Chanthap Lon, MD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

0

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