Demographic Characteristics of TAK-003 Dengue Vaccine Recipients in Vietnam
TAK-003
Demographic Profile of TAK-003 (Qdenga) Dengue Vaccine Recipients During the First Year of the Vaccination Period at VNVC Vaccination Centers in Vietnam
1 other identifier
observational
800,000
1 country
1
Brief Summary
The study aims to retrospectively describe the demographic characteristics, comorbidity profiles, vaccination history and vaccination patterns of all individuals who have received at least one dose of TAK-003 (Qdenga) dengue vaccine at all VNVC centers between September 26, 2024 and September 30, 2025. The study will utilize existing data from the VNVC immunization database. No new data collection or direct participant contact will occur.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Mar 2026
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 16, 2026
CompletedFirst Submitted
Initial submission to the registry
March 24, 2026
CompletedFirst Posted
Study publicly available on registry
March 30, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 30, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
April 30, 2026
CompletedApril 13, 2026
March 1, 2026
2 months
March 24, 2026
April 7, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Vaccination Coverage - First Dose
Percentage of the population that received the first dose of the TAK-003 vaccine
Day 0 after recruitment
Vaccination Coverage - Second Dose
Percentage of the population that completed the two-dose TAK-003 series
Day 0 after recruitment
Secondary Outcomes (2)
To assess the coverage of TAK003 vaccine and its distribution across different strata, including sex, age brackets, geographic areas.
Day 0 after recruitment
To assess the coverage of TAK003 vaccine and its distribution across different strata, including comorbidities
Day 0 after recruitment
Eligibility Criteria
All individuals who were vaccinated with at least one dose of TAK-003 at all VNVC vaccination centers in Vietnam from 26/09/2024 to 30/09/2025
You may qualify if:
- All individuals who were vaccinated with at least one dose of TAK-003 at all VNVC vaccination centers in Vietnam from 26/09/2024 to 30/09/2025
You may not qualify if:
- Cases in which TAK-003 vaccination occurred outside the defined study period (from September 26, 2024, to September 30, 2025).
- Records that are duplicates, missing or contain inconsistent information on key demographic or clinical characteristics (age, sex, TAK-003 dose \[first or second\]) as such data are essential for analysis
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Vietnam Vaccine Joint Stock Companycollaborator
- Takedacollaborator
- Tam Anh Research Institutelead
Study Sites (1)
Vietnam Vaccine Joint Stock Company
Ho Chi Minh City, Ho Chi Minh, 700000, Vietnam
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- ECOLOGIC OR COMMUNITY
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 24, 2026
First Posted
March 30, 2026
Study Start
March 16, 2026
Primary Completion
April 30, 2026
Study Completion
April 30, 2026
Last Updated
April 13, 2026
Record last verified: 2026-03
Data Sharing
- IPD Sharing
- Will not share