Recruiting healthy volunteers for vaccine trials

VRC 500: Screening Volunteers for Clinical Trials of Investigational Products and Licensed Products Evaluated for Research Purposes

National Institutes of Health Clinical Center (CC) · NCT01375530

This study is looking for healthy volunteers aged 18 to 60 to help test new vaccines and learn more about how our immune system works.

Quick facts

Study typeObservational
Enrollment4000 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorNational Institutes of Health Clinical Center (CC) (nih)
Locations4 sites (Atlanta, Georgia and 3 other locations)
Trial IDNCT01375530 on ClinicalTrials.gov

What this trial studies

This study aims to recruit and screen healthy volunteers aged 18 to 60 for participation in clinical trials at the National Institute of Allergy and Infectious Diseases' Vaccine Research Center. The screening process involves assessing volunteers' medical history and conducting laboratory tests to determine their eligibility for various investigational vaccine studies. The goal is to better understand the immune system and the efficacy of vaccines and monoclonal antibodies. Participants will also provide blood samples for future research related to these investigational products.

Who should consider this trial

Good fit: Ideal candidates are healthy individuals aged 18 to 60 who can provide informed consent and are willing to participate in blood sample collection.

Not a fit: Patients with conditions that pose risks with blood draws or those requiring active medical intervention may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the development of effective vaccines and treatments for infectious diseases.

How similar studies have performed: Other studies have successfully utilized similar screening approaches to recruit volunteers for vaccine trials, indicating a proven methodology.

Eligibility criteria

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA:

Age: 18 years of age or older

Able and willing to complete the informed consent process

Agree to have blood and/or tissue samples collected and stored for future studies of investigational products, the immune system, and/or other medical conditions

EXCLUSION CRITERIA:

A condition in which repeated blood draws or injections pose more than minimal risk for the subject such as hemophilia, other severe coagulation disorders or significantly impaired venous access

A condition that requires active medical intervention or monitoring to avert serious danger to the participant s health or well-being

Known to be pregnant or breast-feeding

Where this trial is running

Atlanta, Georgia and 3 other locations

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.

View on ClinicalTrials.gov →

Conditions: Screening, Prevention, Vaccine, Immunity, Evaluate, Screen

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.