Familial long QT syndrome
MONDO:0019171A hereditary cardiac disease characterized by a prolongation of the QT interval at basal ECG and by a high risk of life-threatening arrhythmias.
Also known as: LQTS, Long QT Syndrome, Romano-Ward long QT syndrome, Romano-Ward syndrome, Ward-Romano syndrome, congenital long QT syndrome, familial long QT syndrome, hereditary long QT syndrome
10 clinical trials for this condition and its sub-types.
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New IVF medium may help those with low fertilization rates
Disease control CompletedThis study tested a ready-to-use calcium ionophore medium (GM508 CultActive) on eggs from 68 IVF patients who had low fertilization rates, poor embryo quality, or were over 40. The medium was applied shortly after sperm injection to try to improve fertilization and embryo develop…
Phase: NA • Sponsor: Chang Gung Memorial Hospital • Aim: Disease control
Last updated Jun 27, 2026 11:03 UTC
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Single-Patient trial tests heart drug for rare genetic syndrome
Symptom relief CompletedThis study tested whether a single intravenous dose of diltiazem, a calcium channel blocker, can shorten the QT interval in adults with Jervell and Lange-Nielsen syndrome, a rare genetic heart condition that increases the risk of dangerous heart rhythms. Only one person participa…
Phase: PHASE4 • Sponsor: Vanderbilt University Medical Center • Aim: Symptom relief
Last updated Jun 27, 2026 07:54 UTC