NCT07584525

Brief Summary

The purpose of this study is to investigate the efficacy of dexamethasone in patients with tick-borne encephalitis.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
200

participants targeted

Target at P25-P50 for phase_3

Timeline
52mo left

Started May 2024

Longer than P75 for phase_3

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress33%
May 2024Sep 2030

Study Start

First participant enrolled

May 3, 2024

Completed
2 years until next milestone

First Submitted

Initial submission to the registry

April 26, 2026

Completed
17 days until next milestone

First Posted

Study publicly available on registry

May 13, 2026

Completed
4.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2030

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2030

Last Updated

May 13, 2026

Status Verified

April 1, 2026

Enrollment Period

6.4 years

First QC Date

April 26, 2026

Last Update Submit

May 7, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Modified Rankin Scale for Neurologic Disability

    Proportion of patients with score 2 or higher on Modified Rankin Scale for Neurologic Disability, avilable at: https://www.mdcalc.com/calc/1890/modified-rankin-scale-neurologic-disability

    6 month follow-up visit

Secondary Outcomes (1)

  • Incomplete outcome

    at the 2, 6, and 12 month follow-up visits

Study Arms (2)

Dexamethasone

ACTIVE COMPARATOR
Drug: Dexametasone

Placebo

PLACEBO COMPARATOR
Drug: Saline (0.9% NaCl)

Interventions

dexamethasone 4 mg tid

Dexamethasone

20 ml saline

Placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • age 18 years or older and
  • clinical signs and symptoms of meningoencephalitis or meningomyelitis and
  • cerebrospinal pleocytosis and
  • serological confirfmation of tick-borne encephalitis virus infection

You may not qualify if:

  • pregnancy or
  • severe neurological impairment befor tick-borne encephalitis or
  • systemic corticosteroid treatment in the past 30 days or
  • allergy to corticosteroids or
  • immunosuppresive condition or therapy such as HIV with CD4 \< 200/ml, organ or bone marrow transplant, receiving chemotherapy, radiotherapy or any other immunosuppresive therapy, primary immunodeficiency, hematological maliganncy or
  • ventricular shunt or
  • endoscopically documented peptic gastric ulcer in the past six months or gastrointestinal bleeding with hemoglobin drop ≥ 20 units or
  • uncontrolled diabetes with hyperglicemia or
  • antiviral therapy with rilpivirin

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Medical Centre Ljubljana

Ljubljana, 1000, Slovenia

RECRUITING

MeSH Terms

Conditions

Encephalitis, Tick-Borne

Interventions

Sodium Chloride

Condition Hierarchy (Ancestors)

Encephalitis, ArbovirusEncephalitis, ViralCentral Nervous System Viral DiseasesCentral Nervous System InfectionsInfectionsInfectious EncephalitisArbovirus InfectionsVector Borne DiseasesTick-Borne DiseasesVirus DiseasesRNA Virus InfectionsFlavivirus InfectionsFlaviviridae InfectionsEncephalitisBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesNeuroinflammatory Diseases

Intervention Hierarchy (Ancestors)

ChloridesHydrochloric AcidChlorine CompoundsInorganic ChemicalsSodium Compounds

Central Study Contacts

Daša Stupica, MD, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD, assoc. prof.

Study Record Dates

First Submitted

April 26, 2026

First Posted

May 13, 2026

Study Start

May 3, 2024

Primary Completion (Estimated)

September 30, 2030

Study Completion (Estimated)

September 30, 2030

Last Updated

May 13, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will share

The anonymous data generated or analysed during the trial will be available from the corresponding author upon reasonable request.

Time Frame
As expected from September 30 2028
Access Criteria
The anonymous data generated or analysed during the trial will be available from the corresponding author upon reasonable request after the study results are published.

Locations