# Do QT-Prolonging Drugs Cause Major Adverse Cardiac Events in Hospitalized Adults?

> **NCT07374263** · — · RECRUITING · sponsor: **St. Joseph's Healthcare Hamilton** · enrollment: 990000 (estimated)

## Conditions studied

- Acquired Long QT
- Ventricular Arrhythmias
- Torsades de Pointes
- Syncope
- Medication Safety
- MACE

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07374263
- **Lead sponsor:** St. Joseph's Healthcare Hamilton
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-02-01
- **Primary completion:** 2027-12
- **Final completion:** 2027-12
- **Target enrollment:** 990000 (ESTIMATED)
- **Last updated:** 2026-01-28

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07374263

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07374263, "Do QT-Prolonging Drugs Cause Major Adverse Cardiac Events in Hospitalized Adults?". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT07374263. Licensed CC0.

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