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Efficacy of a Community Dengue Early-warning Programme in Urban Dhaka

BDCTR ID
BDCTR-2026-000142
Sponsor
Bangladesh Medical University
Information provided by
Dr Farhana Islam, Associate Professor (Responsible Party)
Last Update Posted
2026-10-01

Recruiting

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Study Record Versions

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Study Details

Study Identification

Unique Protocol IDBMU-MED-2026-014
Brief TitleEfficacy of a Community Dengue Early-warning Programme in Urban Dhaka (DENGUE-WARN)
Official TitleA Cluster-randomised Trial of a Community Early-warning and Vector-control Programme to Reduce Dengue Incidence in Dense Urban Wards of Dhaka
Secondary IDs

Study Status

Record Verification2026-09
Overall StatusRecruiting
Study Start2026-10-15
Primary Completion2027-06-30
Study Completion2027-09-30
First Submitted
First Submitted that Met QC Criteria2026-09-28
First Posted2026-09-28 [Actual]
Last Update Submitted that Met QC Criteria2026-10-01
Last Update Posted2026-10-01 [Actual]

Oversight

U.S. FDA-regulated Drug
U.S. FDA-regulated Device
Product manufactured in and exported from the U.S.
Data MonitoringYes

Study Description

Brief SummaryThis study tests whether a neighbourhood early-warning and vector-control programme reduces laboratory-confirmed dengue incidence during the monsoon season in dense urban wards of Dhaka.
Detailed DescriptionWards are randomised to the intervention or usual care. The intervention combines weekly larval surveillance, community alerts, and targeted source reduction. Incidence is tracked through sentinel clinics and laboratory confirmation over one transmission season.

Conditions

ConditionDengue Fever Vector-borne Diseases
Keywordsdengue vector control early warning urban health

Study Design

Study TypeInterventional
Primary PurposePrevention
Study PhaseN/A
Interventional Study ModelParallel Assignment
Number of Arms2
MaskingSingle blind
AllocationRandomized
Enrollment4200 [Estimated]

Arms and Interventions

ArmsAssigned Interventions
Experimental: Early-warning programme Weekly surveillance, community alerts, and targeted source reduction.Behavioral: Community early-warning and vector-control programme Surveillance, alerts, and source reduction delivered at ward level.
No Intervention: Usual care Standard municipal vector-control activities.

Outcome Measures

Primary Outcome MeasuresLaboratory-confirmed dengue incidence per 1,000 residents Confirmed cases recorded through sentinel clinics. Time Frame: 6 months
Secondary Outcome MeasuresHousehold larval index Time Frame: Monthly to 6 months Time from alert to source-reduction action Time Frame: Through study completion, 6 months

Eligibility

Minimum Age
Maximum Age
AgesAll ages (Child, Adult, Older Adult)
SexAll
Gender-based Eligibility
Gender Eligibility Description
Accepts Healthy VolunteersYes
Criteria<p>Inclusion Criteria:</p><ul><li>Resident of a participating urban ward.</li><li>Household agrees to periodic surveillance visits.</li></ul><p>Exclusion Criteria:</p><ul><li>Planned relocation within the study period.</li></ul>

Contacts/Locations

Central Contact PersonDr Farhana Islam +8802550000142 dengue-study@bmu.ac.bd
Study Officials
LocationDhaka, Dhaka, Bangladesh, 1000 Status: Recruiting Facility: Faculty of Medicine, Bangladesh Medical University Contact: Dr Farhana Islam

IPD Sharing

IPD informationPlan to Share IPD: Not provided

References

Citations
Links
Available IPD/Information

Document Section

Documents