The Effect of Artificial Lights on Aedes Abundancy and Dengue Cases in Strata Residential in Hulu Langat District, Selangor

Status

Unknown

Phases

Phase 1Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20230403006

Enrollment

Registered

2023-04-03

Start date

2022-10-10

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

No direct human involvement due to this study is aim on the vector of dengue fever which is Aedes. Artificial Lights, Aedes, Dengue, Strata Building

Interventions

For intervention sites, the artificial light will be at the three (3) points with the lowest light illuminance along the corridor in the intervention block. The artificial light will be switched on du

Experimental Other,No Intervention Other

Intervention with Artificial Light,Control with standard care

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The criteria for the study sites to be included in this study are: i. located in Hulu Langat district, Selangor. ii. vertical residential strata building. iii. the locality has experienced more than one episode of dengue outbreak in 2019.

Exclusion criteria

Exclusion criteria: The criteria for the study sites to be excluded in this study are: i. Non-cooperative Joint Management Body (JMB) or the building's management corporation (MC). ii. Absence of corridor in the building.

Design outcomes

Primary

Measure	Time frame
Ovitrap Index 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) Number of positive ovitraps divided by the total number of ovitraps examined, and multiplied by 100 per cent,Larvae Index 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) total number of larvae divided by number of recovered ovitraps,Sticky Ovitrap Index 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) Total number of adult Aedes divided by number of positive ovitrap, multiplied by 100 per cent	—

Measure

Time frame

Ovitrap Index 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) Number of positive ovitraps divided by the total number of ovitraps examined, and multiplied by 100 per cent,Larvae Index 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) total number of larvae divided by number of recovered ovitraps,Sticky Ovitrap Index 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) Total number of adult Aedes divided by number of positive ovitrap, multiplied by 100 per cent

—

Secondary

Measure	Time frame
Dengue cases 12 time points (4 points during baseline, 4 points during ongoing intervention, 4 points after intervention completed) From e-Dengue registry in Malaysia	—

Countries

Malaysia

Contacts

Public ContactLina Ramli

Universiti Putra Malaysia

researchgs59928@gmail.com0060136447482

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026