New dengue vaccine shows promise in japan trial
NCT ID NCT06741683
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a dengue vaccine (TDV) in 187 healthy Japanese volunteers aged 4 to 60. Participants received two shots three months apart. The main goal was to see if the vaccine triggers an immune response against all four types of dengue virus. The trial is now complete.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
dengue tetravalent vaccine (live, attenuated) also known as TAK-003
What this could lead to
If successful, this vaccine could help prevent dengue fever in people living in or traveling to Japan.
What could go wrong
This is a relatively small, completed trial focused on immune response, not actual disease prevention. Results may not guarantee protection in real-world outbreaks.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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OKURA Otolaryngology Clinic
Toshima-ku, Tokyo, Japan
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PS Clinic
Fukuoka, Fukuoka, Japan
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Saitama City Hospital
Saitama-shi, Saitama, Japan
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Sumida Hospital
Sumida-ku, Tokyo, Japan
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Tamura Clinic
Tokyo, Japan