# T-wave Alternans and Intrathoracic Impedance Measurements

> **NCT00669682** · — · COMPLETED · sponsor: **Columbia University** · enrollment: 9 (actual)

## Conditions studied

- Congestive Heart Failure
- Arrhythmias

## Interventions

- **OTHER:** Congestive heart failure

## Key facts

- **NCT ID:** NCT00669682
- **Lead sponsor:** Columbia University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2008-08
- **Primary completion:** 2012-04
- **Final completion:** 2012-04
- **Target enrollment:** 9 (ACTUAL)
- **Last updated:** 2013-04-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00669682

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00669682, "T-wave Alternans and Intrathoracic Impedance Measurements". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT00669682. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*