Mechanical Alternans Study
Public ClinicalTrials.gov record NCT01557465. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Study of Mechanical Alternans for Prediction of Ventricular Tachyarrhythmias
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine whether mechanical alternans (alternating strong and weak heart beats with a constant beat-to-beat interval), can be used to predict malignant ventricular arrhythmias, requiring defibrillation or appropriate ICD therapies, and to predict progression of heart failure and death.
Study identification
- NCT ID
- NCT01557465
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 134 participants
Conditions and interventions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 2009 (Type not available)
- Primary completion
- Apr 2015 (Actual)
- Completion
- Apr 2015 (Actual)
- Last update posted
- Apr 8, 2015
2009 – 2015
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Johns Hopkins University School of Medicine | Baltimore | Maryland | 21205 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01557465, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 8, 2015 · Synced Oct 24, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01557465 live on ClinicalTrials.gov.