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Active, not recruitingNCT03274869Updated Mar 24, 2025

Scrub Typhus Infection Induced Cardiovascular Disease

An observational study in Scrub Typhus and Cardiovascular Complication, sponsored by Eulji University Hospital. Active, not recruiting at 2 sites in Korea, Republic of. Open to participants aged 19 Years and older. Per ClinicalTrials.gov, last updated 2025-03-24.

Sponsored by Eulji University Hospital · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
100
Ages
19 Years and older
Sex
All
01

Study summary

Scrub typhus infection has been considered as seasonal and endemic infectious disorder with benign feature. However, the increasing mortality rate of scrub typhus has been recently reported in Southeast Asia and cause of death could be a fetal complicating cardiovascular disease. Therefore, the association and predictors for scrub typhus induced cardiovascular disease should be investigated to provide a timely and appropriate diagnosis and to reduce the mortality rate of complicated scrub typhus infection. Therefore, investigators prospectively investigate the association and predictors of cardiovascular disease in the participants with scrub typhus infection.

Read the detailed description

Scrub typhus is a zoonotic disease caused by Orientia tsutsugamushi confined to East Asia including South Korea. It is characterized by fever, headache, rash, and eschar and the majority of patients without complications can recover with an early diagnosis and proper management with antibiotics. However, the increasing mortality rate of scrub typhus has been recently reported in Southeast Asia. Severe complications can be manifested by respiratory distress syndrome, renal failure, hepatic failure, and cardiovascular disease. Especially, cardiovascular complications can lead to cardiogenic shock and sudden cardiac arrest. Therefore, the association and predictors for scrub typhus induced cardiovascular disease should be investigated to provide a timely and appropriate diagnosis and to reduce the mortality rate of complicated scrub typhus infection. Therefore, investigators prospectively investigate the association and predictors of cardiovascular disease in the participants with scrub typhus infection admitted to 3rd referral centers in South Korea.

02

Conditions studied

  • Scrub Typhus
  • Cardiovascular Complication

Keywords

  • Scrub typhus
  • Cardiovascular Complication
03

Who can participate

Ages eligible
19 Years and older
Sexes eligible
All
Sampling method
Probability sample

Study population

Scrub typhus infection without cardiovascular complication Scrub typhus infection with cardiovascular complication

Inclusion criteria

  • any participants with scrub typhus infection

Exclusion criteria

Exclusion Criteria:

  • patients under age of 18
  • pregnancy
04

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
100 participants (actual)
Patient registry
No
Biospecimen retention
Samples with dna

Groups and cohorts

  • Scrub typhus without cardiovascular complications

    Any participants with the scrub typhus infection without cardiovascular complication will be enrolled as a positive control group during admission and clinically followed by 1 year after discharge

  • Scrub typhus with cardiovascular complication

    Any participants with the scrub typhus infection with cardiovascular complication will be enrolled as a comparison group during admission and clinically followed by 1 year after discharge

05

What researchers measure

Primary outcomes

  1. Cardiovascular Mortality

    Cardiovascular death including sudden cardiac death

    Time frame: one year

Secondary outcomes

  1. Cardiovascular Complications

    Atrial Fibrillation, Acute Heart Failure including acute myocarditis and Ischemic Heart Dease

    Time frame: one year

06

Study locations

2 sites
  • Chung-Buk University Hospital
    Chungju, Chung Chung Do 50122, Korea, Republic of
  • Chung-Nam University Hospital
    Daejeon, Chung Chung Do 50233, Korea, Republic of
07

References and documents

Publications

  • Chin JY, Kang KW, Moon KM, Kim J, Choi YJ. Predictors of acute myocarditis in complicated scrub typhus: an endemic province in the Republic of Korea. Korean J Intern Med. 2018 Mar;33(2):323-330. doi: 10.3904/kjim.2016.303. Epub 2017 Feb 23. PubMed 28226202 ↗
  • Jang SY, Kang KW, Kim JH, Kim B, Chin JY, Park SH, Choi YJ, Jung KT, Lee SK. New-onset atrial fibrillation predicting for complicating cardiac adverse outcome in scrub typhus infection. Clin Cardiol. 2019 Dec;42(12):1210-1221. doi: 10.1002/clc.23276. Epub 2019 Oct 3. PubMed 31580531 ↗
  • Kang KW, Hong KW, Lee SK. Identification of novel variants for complicating cardiac disease in the scrub typhus infection using whole genome sequencing. Korean J Intern Med. 2023 Nov;38(6):865-871. doi: 10.3904/kjim.2023.221. Epub 2023 Nov 1. PubMed 37939667 ↗

Individual participant data

Plan to share: Undecided

08

Registry details

Key details

Study ID
NCT03274869
Lead sponsor
Eulji University Hospital
Collaborators
Chung-Ang University Hosptial, Chung-Ang University College of Medicine, Chungbuk National University Hospital
Responsible party
Ki-Woon Kang, MD (Professor, Eulji University Hospital) — Principal investigator
First posted
Sep 7, 2017
Start date
Sep 1, 2022
Primary completion
Sep 1, 2026 (estimated)
Completion
Aug 30, 2027 (estimated)
Last update
Mar 24, 2025

Study contacts

Hyu Ryung Cho
principal investigator · Chung-Ang University Hosptial, Chung-Ang University College of Medicine

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Mar 2025. You cannot join it, but the record below documents what was studied.

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