Completed NA INTERVENTIONAL 2-arm NCT02047279

Ablation and Left Atrium Reduction During Mitral Valve Surgery for Atrial Fibrillation (ALARM-vs-AF)

Left Atrium Reduction Versus no Left Atrium Reduction for Patients With Enlarged Left Atria and Persistent or Long Standing Persistent Atrial Fibrillation Undergoing Mitral Valve Surgery

Sponsor: Meshalkin Research Institute of Pathology of Circulation

Conditions Atrial Fibrillation

Interventions left atrial reduction maze procedure mitral valve surgery

Updated 7 times since 2017 Last updated: Sep 7, 2017 Started: Sep 30, 2014 Primary completion: Sep 30, 2017 Completion: Sep 30, 2017

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Atrial Fibrillation, this trial is completed. The trial is conducted by Meshalkin Research Institute of Pathology of Circulation and has accumulated 7 data snapshots since 2014. Cardiovascular trials of this type often inform treatment guidelines for long-term patient management.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA

▶ Show 2 earlier versions

Oct 2017 — Jun 2018 [monthly]

Completed NA

Status: Recruiting → Completed
Jan 2017 — Oct 2017 [monthly]

Recruiting NA

First recorded

Sep 2014

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Meshalkin Research Institute of Pathology of Circulation

Data source: Meshalkin Research Institute of Pathology of Circulation

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Novosibirsk, Russia