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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
Trial Contacts
| ContactsICMJE | Dr Farhana Islam +8802550000142 dengue-study@bmu.ac.bd |
|---|
Study Record Dates
| First SubmittedICMJE | Not provided |
|---|---|
| First PostedICMJE | 2026-09-28 |
| Last Update Posted | 2026-10-01 |
| Last Verified* | 2026-09 |
Outcome Measures
| Primary Outcome Measures*ICMJE | Laboratory-confirmed dengue incidence per 1,000 residents [Time Frame: 6 months] Confirmed cases recorded through sentinel clinics. |
|---|---|
| Secondary Outcome Measures[*]ICMJE | Household larval index [Time Frame: Monthly to 6 months] Time from alert to source-reduction action [Time Frame: Through study completion, 6 months] |
| Other Pre-specified Outcome Measures | Not provided |
Trial Description
| Brief Title*ICMJE | Efficacy of a Community Dengue Early-warning Programme in Urban Dhaka |
|---|---|
| Official Title*§ICMJE | A Cluster-randomised Trial of a Community Early-warning and Vector-control Programme to Reduce Dengue Incidence in Dense Urban Wards of Dhaka |
| Acronym[*] | DENGUE-WARN |
| Brief Summary* | This 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 Description | Wards 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. |
| Study Type*ICMJE | Interventional |
| Study Phase*ICMJE | N/A |
| Study Design*§ICMJE | Allocation: Randomized Interventional Model: Parallel Assignment Masking: Single blind Primary Purpose: Prevention |
| Condition*ICMJE | Dengue Fever Vector-borne Diseases |
| Keywords | dengue vector control early warning urban health |
| Intervention*ICMJE | Behavioral: Community early-warning and vector-control programme — Surveillance, alerts, and source reduction delivered at ward level. |
| Study Arms*ICMJE | Experimental: Early-warning programme — Weekly surveillance, community alerts, and targeted source reduction. Interventions: Behavioral: Community early-warning and vector-control programme No Intervention: Usual care — Standard municipal vector-control activities. |
| Publications | Not provided |
Recruitment Information
| Recruitment Status*ICMJE | Recruiting |
|---|---|
| Enrollment (Anticipated)*§ICMJE | 4200 |
| Study Start Date*§ICMJE | 2026-10-15 |
| Primary Completion Date* | 2027-06-30 (Final data collection date for primary outcome measure) |
| Study Completion Date*§ICMJE | 2027-09-30 |
| Eligibility Criteria*ICMJE | <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> |
| Sex/Gender*ICMJE | Sexes Eligible for Study: All |
| Ages*ICMJE | All ages (Child, Adult, Older Adult) |
| Accepts Healthy Volunteers*§ICMJE | Yes |
| Location CountriesICMJE | Bangladesh |
Administrative Information
| BDCTR NumberICMJE | BDCTR-2026-000142 |
|---|---|
| Other Study ID Numbers[*]ICMJE | BMU-MED-2026-014 |
| Has Data Monitoring Committee | Yes |
| Studies a U.S. FDA-regulated Drug Product | Not provided |
| Studies a U.S. FDA-regulated Device Product | Not provided |
| Device Product Not Approved or Cleared by U.S. FDA | Not provided |
| Pediatric Postmarket Surveillance of a Device Product | Not provided |
| Product Manufactured in and Exported from the U.S. | Not provided |
| IPD Sharing StatementICMJE | Plan to Share IPD: Not provided |
| Current Responsible Party* | Dr Farhana Islam, Associate Professor |
| Current Study Sponsor*ICMJE | Bangladesh Medical University |
| CollaboratorsICMJE | Directorate General of Health Services |
| InvestigatorsICMJE | Not provided |
| Registry Account | Imported legacy public registry |
Symbol Legend
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- Required
- *§
- Required if Study Start Date is on or after January 18, 2017 — required for every BMU study
- [*]
- Conditionally required
- No Symbol
- Unmarked fields are optional. If no information is provided, fields will be labeled as “Not provided”.
- ICMJE
- Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP