Could a new vaccine shield infants from dengue?

NCT ID NCT06665035

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Takeda Source: ClinicalTrials.gov ↗

First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study tests a dengue vaccine (TDV) in children aged 6 to 21 months. The goal is to see if the vaccine is safe and triggers a strong immune response. Participants receive two shots three months apart and are monitored for side effects and antibody levels.

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 (TDV, also known as QDENGA or TAK-003)
What this could lead to: If successful, this could provide a safe and effective dengue vaccine for infants, helping prevent a serious mosquito-borne disease in young children.
What could go wrong: This is a relatively small phase 3 trial focused on safety and immune response, not yet proving the vaccine prevents dengue in this age group. Side effects like fever or injection site reactions may occur.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

dengue disease prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

DENGUE FEVER

Contacts and locations

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Study contacts

Contact

Email: •••••@•••••

Locations

Centro de Estudios en Infectologia Pediatrica S.A.S
NOT_YET_RECRUITING

Cali, Valle del Cauca Department, 760042, Colombia
Clinica de la Costa Ltda
NOT_YET_RECRUITING

Barranquilla, Atlántico, 80020, Colombia

Contact Email: •••••@•••••
King Chulalongkorn Memorial Hospital
NOT_YET_RECRUITING

Pathum Wan, Bangkok, 10330, Thailand
Thammasat University Hospital
RECRUITING

Khlong Luang, Changwat Pathum Thani, 12120, Thailand

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