Dengue Virus Infection Amongst Patients With Acute Febrile Illness

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

400 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-02-05

Study Completion Date

2025-03-31

Brief Summary

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A prospective observational study that will be conducted in Tangerang Regency, Indonesia with primary objective to determine the clinical characteristics, specific immune responses, and viral serotypes in patients with confirmed dengue virus infection in Tangerang District, Indonesia.

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Detailed Description

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Dengue is a significant public health problem in Indonesia, with reported cases varies between 25.000-79.000 each year in 2013-2022. The disease is caused by four serotypes of Dengue virus (DENV-1, DENV-2, DENV-3, and DENV-4), transmitted primarily by the Aedes aegypti. However, dengue infection of DEN-4 are rarely reported compared to other dengue serotypes, such as in Vietnam, Philippines, and other Asian or other Latin American countries.

In Indonesia, DEN-4 was also the least serotypes reported. In contrast, DEN-4 is often found during dengue outbreaks. This findings has been reported in Jakarta and Jember outbreaks reports. The low prevalence of DEN-4 maybe because most studies was conducted in hospitals. Also, NS-1 RDT that is used for test has low sensitivity for DEN-4, particularly in secondary infection.

Overcoming the limitation the current diagnostic methods is critical for quick and precise treatment for individuals with dengue infection. Particularly, in the context for vaccine development and clinical trial. We chose Tangerang because it has a high risk of dengue virus transmission due to it is heavily populated area. Dengue remain a significant health problem as 50-100 cases reported each year from Public Health Centers, and \>200 patients were hospitalized due to Dengue infection.

Therefore, this study will be conducted at 2 Public Health Centers (Kelapa Dua and Bojong Nangka) and Tangerang District Hospital for 1 year starting from 2 February 2024 to 31 January 2025.

Patient will be recruited when they satisfy inclusion and exclusion criteria and will be tested for RDT test and hematologic test. Blood and clinical data will be obtained from enrolled participant on enrollment and maximum 2 weeks after enrollment. Acute specimens from enrollment will be tested for NS1, IgM/ IgG using ELISA and molecular by PRNT while the convalescent specimen will be tested for IgG and IgM only. A subset of positive cases by PCR will be cultured and tested for PRNT.

Acute specimen from undiagnosed dengue infection will be tested for other pathogens.

Clinical and laboratory data will be analyzed for proportion for dengue among acute fever, proportion for each dengue serotypes, and clinical manifestation for each serotypes will be compared for severity.

Conditions

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Dengue

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Patients age ≥ 4 years old with fever (≥ 37.5°C), history of fever with antipyretic use, lasting less than or equal to 7 days
* Presence at least one of the following dengue-like symptoms:

* Headache
* Retro-orbital pain
* Nausea/ vomiting
* Muscle, bone, or joint pain
* Rash or bleeding manifestations
* Patient or patient's guardian giving consent to participate in the study