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NCT07409857: DengueCBDR

International Registry of Dengue Infection in Congenital Bleeding Disorders (DengueCBDR)

Recruiting now Last updated 17 February 2026
What this trial tests

trial in Dengue Disease in 100 participants. Currently enrolling.

Timeline
1 December 2025
Primary endpoint
31 December 2030
31 December 2030

Quick facts

Lead sponsorMahidol University
StatusRecruiting now
Study typeOBSERVATIONAL
Enrollment100
Start date1 December 2025
Primary completion31 December 2030
Estimated completion31 December 2030
Sites1 location across Thailand

Conditions studied

Sponsor

Mahidol University

Who can join

Eligibility, any sex, with Dengue Disease or Dengue Haemorrhagic Fever. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

Dengue fever, a viral infection transmitted by Aedes mosquitoes, is a major health issue in tropical and subtropical regions. Around 20-30% of symptomatic patients developed Dengue Hemorrhagic Fever (DHF), which leads to impaired hemostasis, subsequently increasing the risk of bleeding. The hemostatic abnormalities associated with dengue infection included vascular permeability, platelet dysfunction, and coagulation defects. Therefore, Individuals with underlying bleeding disorders are at increased risk of bleeding. Dengue infection in patients with hemophilia was reported, including six of 843 patients in the cohort with underlying hemophilia: five with hemophilia A and one with hemophilia B. Replacement therapy was more commonly used in patients with bleeding disorders and dengue than in patients with other febrile illnesses. All of them had bleeding during dengue infection. The mortality rate was high at 16%. Despite the importance of this issue, there is a lack of registries or data-collection systems to determine the bleeding complications, the requirement for replacement therapy, and the outcome of dengue infection in congenital bleeding disorders (CBDs). Therefore, this research aims to establish a registry of dengue infections among individuals with CBDs. The study is a multicenter, retrospective study from 1 January 2015 to 31 December 2025 and a prospective cohort study involving hospitals that treat individuals with CBDs and dengue. The registry format will be provided using REDCap system.

Publications & conference data

No peer-reviewed publications indexed yet for this trial.

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Other Mahidol University trials

Trials by the same sponsor.

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