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Study of electrocardiogram in Long QT syndrome patients

Repolarization study in LQTS patients

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2017-005082-47-FI
Enrollment
120
Registered
2018-01-03
Start date
2018-09-24
Completion date
Unknown
Last updated
2024-10-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Long QT syndrome (LQTS) is a hereditary arrhythmia disease. It causes disturbances to the ion flow through cell membranes of cardiomyocytes. These disturbances can sometimes seen in an electrocardiogram (ECG) or 24 hour Holter ECG. LQTS predisposes to cardiac arrhythmia.

Interventions

Trade Name: bisoprololi Pharmaceutical Form: Tablet INN or Proposed INN: BISOPROLOL CAS Number: 66722-44-9 Concentration unit: mg milligram(s) Concentration type: equal Concentration number: 5-

Sponsors

Sydän- ja keuhkokeskus, HUS
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Age 18-65. Genetically confirmed or excluded LQT1-3. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 120 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Ikä ei ole 18-65 vuotta. Geenivirheen olemassaolo yksilöllä epävarma.

Design outcomes

Primary

MeasureTime frame
Main Objective: The objective is to study whether beta-blocker medication stabilizes repolarization in LQT2 patients. Also, the objective is to study repolarization risk factors in high-risk LQTS patients.;Secondary Objective: Not applicable;Primary end point(s): Reduction or appearance of repolarization abnormalities in Holter recordings.;Timepoint(s) of evaluation of this end point: Investigation of Holter recordings,

Secondary

MeasureTime frame
Secondary end point(s): Not applicable;Timepoint(s) of evaluation of this end point: Not applicable

Countries

Finland

Contacts

Public ContactKardiologian poliklinikka

Sydän- ja keuhkokeskus, HUS

mikael.koponen@helsinki.fi

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026