Clinical trialNCT04128878CompletedObservational

Improvement in Endothelial Dysfunction After Initiation of Anti-arrhythmic Therapy in Atrial Fibrillation Patients

SponsorSamir SabaEnrollment12Atrial Fibrillation

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is a prospective, observational study that will examine endothelial dysfunction in atrial fibrillation before and after treatment with anti-arrhythmic agents and the extent to which baseline endothelial dysfunction improves after treatment.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Samir Saba, MD
Chief, Division of Cardiology, University of Pittsburgh Medical Center
Principal InvestigatorKOL profile →
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University of Pittsburgh Medical Center - Presbyterian University Hospital
Pittsburgh, Pennsylvania, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Dofetilide →Sotalol →

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 1 May 2019
Primary completion: 31 Dec 2020
Completion: 31 Dec 2020
Last update posted: 14 Jan 2021
Registered enrollment: 12
Registry id: NCT04128878

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.