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Completed Phase 4 Interventional Results available

Antiarrhythmic Effects of Spironolactone in Patients With ICDs

ClinicalTrials.gov ID: NCT04495712

Public ClinicalTrials.gov record NCT04495712. 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.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 4:11 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will test whether spironolactone, an approved drug for among other things hypertension, will reduce the risk of severe arrhythmias in patients with implanted defibrillators. Half the patients in the study will get spironolactone and half will get a placebo. Neither the patients or their providers will know if they are getting spironolactone or placebo.

Study identification

NCT ID
NCT04495712
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Enrollment
90 participants

Conditions and interventions

Interventions

Drug

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
Jul 27, 2004
Primary completion
May 27, 2008
Completion
May 27, 2008
Last update posted
Oct 8, 2020

2004 – 2008

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
VA Portland Health Care System, Portland, OR Portland Oregon 97239

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 NCT04495712, 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 Oct 8, 2020 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04495712 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →