# Effect of Methadone and Hydromorphone on the QT Interval After Anesthesia and Surgery

> **NCT03893734** · PHASE4 · RECRUITING · sponsor: **Endeavor Health** · enrollment: 140 (estimated)

## Conditions studied

- EKG-QT Prolongation

## Interventions

- **DRUG:** methadone
- **DRUG:** Hydromorphone

## Key facts

- **NCT ID:** NCT03893734
- **Lead sponsor:** Endeavor Health
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2018-05-01
- **Primary completion:** 2020-08-12
- **Final completion:** 2020-12-23
- **Target enrollment:** 140 (ESTIMATED)
- **Last updated:** 2019-09-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03893734

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03893734, "Effect of Methadone and Hydromorphone on the QT Interval After Anesthesia and Surgery". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT03893734. Licensed CC0.

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