Understanding how dengue vaccination leads to long-lasting immunity

Long-term durability of DENV-specific immunity after vaccination in a dengue-endemic population

['FUNDING_U01'] · UNIVERSITY OF RHODE ISLAND · NIH-11051162

This study is looking at how well a dengue vaccine works in the long run by checking blood samples from people who have already taken the vaccine, to find out what helps keep their immunity strong over time.

Quick facts

Phase['FUNDING_U01']
Study typeNih_funding
SexAll
SponsorUNIVERSITY OF RHODE ISLAND (nih funded)
Locations1 site (KINGSTON, UNITED STATES)
Trial IDNIH-11051162 on ClinicalTrials.gov

What this research studies

This research investigates the immune responses generated by a dengue vaccine to determine what factors contribute to long-lasting immunity. By analyzing blood samples from participants in previous dengue vaccine trials, the study aims to identify specific immune cell responses and genetic profiles that correlate with durable protection against the virus. The research focuses on both T and B lymphocytes, which are crucial for the immune response, to uncover the mechanisms that lead to sustained antibody levels after vaccination.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who have received the dengue vaccine and are part of a dengue-endemic population.

Not a fit: Patients who have not been vaccinated against dengue or those living in non-endemic regions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could enhance the effectiveness of dengue vaccines by identifying ways to promote long-lasting immunity in vaccinated individuals.

How similar studies have performed: Previous research has shown promising results in understanding vaccine-induced immunity, but this specific approach focusing on dengue vaccination is relatively novel.

Where this research is happening

KINGSTON, 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.