Observational Study to Describe Health-Related Quality of Life and Measure Disease Burden Among Patients With Long QT Syndrome Types (LQTS) 2 and 3

This is a cross-sectional observational study designed to assess the disease burden and quality of life in individuals with LQTS 2 and 3. Each participant will answer each patient-reported outcome questionnaire only once over a 6-month period. The study will enroll up to 200 participants.

NCT Number	NCT07075445
Lead Sponsor	Thryv Therapeutics, Inc.
Conditions	Long QT Syndrome Type 3, Long QT Syndrome 2
Enrollment	200 participants
Start Date	2025-10-27
Primary Completion	2026-12-01 (estimated)
Study Completion	2026-12-01 (estimated)
Updated on ClinicalTrials.gov	2025-11-17