NIH-funded research R01 grant

Evaluating the long-term safety and effectiveness of the Dengvaxia vaccine in children in the Philippines

Official title: Long-term safety and effectiveness of Dengvaxia in the Philippines

Funded at University of Hawaii at Manoa · NIH-10946702 · Data updated 2026-11-12

This study is looking at how safe and effective the Dengvaxia vaccine is for children in the Philippines, especially those who may not have had dengue before getting the shot, to help us understand how well it works and any risks involved.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Hawaii at Manoa
NIH-funded
Lab location1 site (Honolulu, United States)
Project startAugust 1, 2024
Project endJune 30, 2029
Funding year2024
Award (this year)$615,068
NIH project number1R01AI186073-01
Project IDNIH-10946702 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are children aged 0-11 years who received the Dengvaxia vaccine in the Philippines.

Less likely to help

Patients who have not received the Dengvaxia vaccine or are outside the age range of 0-11 years may not benefit from this research.

What this research studies

This research investigates the long-term safety and effectiveness of the Dengvaxia vaccine, which was administered to over 830,000 children in the Philippines without prior testing for dengue virus exposure. The study aims to understand the immune responses, including antibody and T-cell responses, in children who received the vaccine, particularly focusing on those who may have been seronegative at the time of vaccination. By analyzing real-world data and responses to dengue infections, the research seeks to fill critical knowledge gaps regarding the vaccine's performance and associated risks. The findings could help inform future vaccination strategies and guidelines.

Why it matters

Potential benefit: If successful, this research could lead to improved vaccination strategies that enhance safety and effectiveness for children at risk of severe dengue disease.

How similar studies have gone: Previous studies have indicated challenges with the Dengvaxia vaccine, particularly among seronegative recipients, highlighting the need for this investigation.

Where this research is happening

  • University of Hawaii at Manoa
    Honolulu, United States
    Active

Researchers

  • Principal investigator: Wang, Wei-Kung — University of Hawaii at Manoa
  • Study coordinator: Wang, Wei-Kung

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.
Last reviewed 2026-11-14 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.