Long QT syndrome
MONDO:0002442A condition that is characterized by episodes of fainting (syncope) and varying degree of ventricular arrhythmia as indicated by the prolonged QT interval. The inherited forms are caused by mutation of genes encoding cardiac ion channel proteins. The two major forms are Romano-Ward syndrome (also known as long QT syndrome 1) and Jervell-Lange Nielsen syndrome.
Also known as: long QT syndrome, ventricular arrhythmia associated with long QT syndrome
25 clinical trials for this condition and its sub-types.
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Broader categories
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First human trial of TS1-ASO aims to tame rare genetic brain disorder
Disease control Not yet recruitingThis first-in-human trial tests a genetic drug called TS1-ASO in 5 children with Timothy Syndrome, a rare condition causing severe heart and brain problems. The drug is injected into the spine to target the genetic root of the disease. The main goal is to check safety and how the…
Phase: PHASE1, PHASE2 • Sponsor: Stanford University • Aim: Disease control
Last updated Jun 27, 2026 13:00 UTC
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Magnetic heart scan may outshine ECG for predicting dangerous heart rhythms
Diagnosis Not yet recruitingThis study at Mayo Clinic will enroll 100 adults with atrial fibrillation who are taking the drug dofetilide. Researchers will compare a non-invasive magnetic heart scan (magnetocardiography, or MCG) with the standard ECG to see which better predicts safe drug dosing and heart co…
Sponsor: Mayo Clinic • Aim: Diagnosis
Last updated Jun 27, 2026 09:10 UTC
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IVF egg hunt: does flushing follicles boost harvest?
Knowledge-focused Not yet recruitingThis study tests whether rinsing (flushing) ovarian follicles during egg retrieval can increase the number of mature eggs collected for IVF. In 75 women undergoing IVF, one ovary will be flushed and the other will not, and the egg yields will be compared. The goal is to see if th…
Phase: NA • Sponsor: Aristotle University Of Thessaloniki • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:10 UTC