Actively Recruiting

All Genders
NCT07274046

Burden of Tick-borne Encephalitis and Cost-effectiveness of Vaccination in the Czech Republic

Led by Charles University, Czech Republic · Updated on 2025-12-10

209

Participants Needed

4

Research Sites

191 weeks

Total Duration

On this page

Sponsors

C

Charles University, Czech Republic

Lead Sponsor

Č

České Budějovice Hospital

Collaborating Sponsor

AI-Summary

What this Trial Is About

This observational study follows children and adults who were hospitalized with tick-borne encephalitis (TBE) in the Czech Republic. The aim is to better understand how individuals recover from TBE, which symptoms may persist after the infection, and which patients may require additional support during their recovery. Participants are examined several times after hospital discharge (at 2-4 weeks, 3 months, 6 months, and 12 months) to observe changes in symptoms, functional status, and daily activities. Follow-up assessments include evaluation of common post-infection problems such as tiredness, headaches, memory or concentration difficulties, sleep issues, or limb weakness. Symptoms lasting for several months are categorized as post-encephalitic syndrome (PES). The study also assesses how TBE affects daily functioning, school and work performance, and overall quality of life using questionnaires and short functional assessments. In addition, the study includes a public-health component that estimates the broader impact of TBE in the population and evaluates the potential benefits of vaccination in preventing long-term health complications. The findings aim to support improved patient care, follow-up planning, and evidence-based public-health decision-making in the Czech Republic.

CONDITIONS

Official Title

Burden of Tick-borne Encephalitis and Cost-effectiveness of Vaccination in the Czech Republic

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Hospitalization due to suspected central nervous system (CNS) infection.
  • Laboratory-confirmed tick-borne encephalitis (TBE) with CNS symptoms and cerebrospinal fluid pleocytosis (>5 × 10⁶/L) and TBEV IgM and IgG seropositivity in serum, or TBEV IgM detection in CSF in previously vaccinated individuals.
  • All age groups including children and adults.
  • Ability to participate in scheduled follow-up visits in person or via telephone.
  • Informed consent provided by the patient or legal guardian for minors.
Not Eligible

You will not qualify if you...

  • Alternative diagnosis explaining the central nervous system symptoms.
  • Missing essential clinical or laboratory data to confirm TBE or assess outcomes.
  • Refusal or inability to provide informed consent.
  • Inability to complete follow-up assessments or maintain reliable contact.
  • Coexisting severe neurological disorder unrelated to TBE that prevents meaningful evaluation of sequelae, such as advanced neurodegenerative disease or severe preexisting motor disability.

AI-Screening

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Trial Site Locations

Total: 4 locations

1

Ostrava University Hospital

Ostrava, Moravian-Silesian Region, Czechia, 70800

Actively Recruiting

2

Pardubická nemocnice

Pardubice, Pardubice Region, Czechia, 53001

Actively Recruiting

3

Bulovka University Hospital

Prague, Prague, Czechia, 18081

Actively Recruiting

4

České Budějovice Hospital

České Budějovice, South Bohemian Region, Czechia, 37001

Actively Recruiting

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Research Team

M

Martin Slížek, MD

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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