Targeting Risk Interventions and Metformin for Atrial Fibrillation (TRIM-AF)

NCT03603912 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 175

Last updated 2025-09-12

No results posted yet for this study

Summary

Prospective randomized open-label blinded endpoint (PROBE) 2x2 factorial study of metformin extended release up to 750 mg BID and lifestyle and risk factor modification (LRFM) in CIED patients with at least 1 ≥5 minute episode of AF over the prior 3 months. Randomization will be stratified by pacemaker vs. ICD and rhythm at enrollment (sinus rhythm/atrial paced vs. AF).

Conditions

Interventions

DRUG

Metformin

Metformin ER 500 mg daily, titrated at 1 month intervals to 500 mg twice daily, then 750 mg twice daily, as tolerated, for 2 years.

BEHAVIORAL

Lifestyle/Risk Factor Modification

Diet/nutrition counseling and exercise prescription with follow-up visits, sleep apnea screening and treatment if detected, optimization of guideline-directed medical therapies for hypertension, coronary artery disease (CAD), hyperlipidemia and heart failure (HF).

Sponsors & Collaborators

Principal Investigators

  • Mina K Chung, MD · The Cleveland Clinic

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
FACTORIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-08-24
Primary Completion
2026-12-31
Completion
2026-12-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03603912 on ClinicalTrials.gov