Trial Outcomes & Findings for Dynamic Data-Driven Management of Atrial Fibrillation Using Implantable Cardiac Monitors: The MONITOR-AF Study (NCT NCT06352060)

NCT ID: NCT06352060

Last Updated: 2025-04-18

Results Overview

Number of patients with freedom from AF, OAC and AAD Use after 12 months

Recruitment status

COMPLETED

Target enrollment

598 participants

Primary outcome timeframe

12 Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.

Results posted on

2025-04-18

Participant Flow

598 patients, with 299 in the non-ICM and ICM groups, respectively were included in the study.

Participant milestones

Participant milestones
Measure
Participants With ICM
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Overall Study
STARTED
299
299
Overall Study
COMPLETED
299
299
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Dynamic Data-Driven Management of Atrial Fibrillation Using Implantable Cardiac Monitors: The MONITOR-AF Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Participants With ICM
n=299 Participants
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
n=299 Participants
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Total
n=598 Participants
Total of all reporting groups
Age, Continuous
72.3 Years
STANDARD_DEVIATION 7.6 • n=99 Participants
72.3 Years
STANDARD_DEVIATION 7.6 • n=107 Participants
72.3 Years
STANDARD_DEVIATION 10.75 • n=206 Participants
Sex: Female, Male
Female
79 Participants
n=99 Participants
57 Participants
n=107 Participants
136 Participants
n=206 Participants
Sex: Female, Male
Male
220 Participants
n=99 Participants
242 Participants
n=107 Participants
462 Participants
n=206 Participants
Race/Ethnicity, Customized
Caucacian
251 Participants
n=99 Participants
258 Participants
n=107 Participants
509 Participants
n=206 Participants
Race/Ethnicity, Customized
African American
37 Participants
n=99 Participants
35 Participants
n=107 Participants
72 Participants
n=206 Participants
Race/Ethnicity, Customized
Hispanic
4 Participants
n=99 Participants
3 Participants
n=107 Participants
7 Participants
n=206 Participants
Race/Ethnicity, Customized
Other
7 Participants
n=99 Participants
3 Participants
n=107 Participants
10 Participants
n=206 Participants
Parosysmal Atrial Fibrillation
171 Participants
n=99 Participants
234 Participants
n=107 Participants
405 Participants
n=206 Participants
Persistent Atrial Fibrillation
128 Participants
n=99 Participants
65 Participants
n=107 Participants
193 Participants
n=206 Participants
Baseline AAD Use
120 Participants
n=99 Participants
101 Participants
n=107 Participants
221 Participants
n=206 Participants
Stroke / TIA
7 Participants
n=99 Participants
7 Participants
n=107 Participants
14 Participants
n=206 Participants
Compensated heart failure (EF <35%)
18 Participants
n=99 Participants
18 Participants
n=107 Participants
36 Participants
n=206 Participants
Coronary artery disease
50 Participants
n=99 Participants
70 Participants
n=107 Participants
120 Participants
n=206 Participants

PRIMARY outcome

Timeframe: 12 Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.

Number of patients with freedom from AF, OAC and AAD Use after 12 months

Outcome measures

Outcome measures
Measure
Participants With ICM
n=299 Participants
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
n=299 Participants
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Number of Patients With Freedom From AF, OAC and AAD Use
Number of patients with freedom from AAD use
230 Participants
109 Participants
Number of Patients With Freedom From AF, OAC and AAD Use
Number of patients with freedom from AF
257 Participants
185 Participants
Number of Patients With Freedom From AF, OAC and AAD Use
Number of patients with freedom from OAC use
208 Participants
118 Participants

SECONDARY outcome

Timeframe: 12 Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.

Clinical Outcomes in Participants With ICM and Non-ICM Participants at 12 months

Outcome measures

Outcome measures
Measure
Participants With ICM
n=299 Participants
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
n=299 Participants
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Clinical Outcomes in Participants With ICM and Non-ICM Participants
Access to EP
299 Participants
180 Participants
Clinical Outcomes in Participants With ICM and Non-ICM Participants
Attempted Rhythm Control With AAD
299 Participants
189 Participants
Clinical Outcomes in Participants With ICM and Non-ICM Participants
OAC Compliance
233 Participants
216 Participants
Clinical Outcomes in Participants With ICM and Non-ICM Participants
Initial Ablation
275 Participants
185 Participants

SECONDARY outcome

Timeframe: 12 Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.

Outcome measures

Outcome measures
Measure
Participants With ICM
n=299 Participants
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
n=299 Participants
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Total CV-related Hospital Stay Duration, Days
3.5 Days
Standard Deviation 1.9
7.4 Days
Standard Deviation 5.3

Adverse Events

Participants With ICM

Serious events: 7 serious events
Other events: 2 other events
Deaths: 0 deaths

Non-ICM Participants

Serious events: 24 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Participants With ICM
n=299 participants at risk
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
n=299 participants at risk
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Cardiac disorders
AF-related hospitalization
1.0%
3/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.
3.7%
11/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.
Cardiac disorders
HF-related hospitalization
1.3%
4/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.
4.3%
13/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.

Other adverse events

Other adverse events
Measure
Participants With ICM
n=299 participants at risk
Patients who underwent ICM insertion No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Non-ICM Participants
n=299 participants at risk
Patients with traditional monitoring methods No intervention or administration will be performed due to the observational nature of the study: Charts of patients enrolled in the study will be reviewed for an initial monitoring method and any changes in management.
Cardiac disorders
Stroke/TIA
0.33%
1/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.
2.3%
7/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.
Blood and lymphatic system disorders
Major bleeding episodes
0.33%
1/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.
0.67%
2/299 • 12-Months. Data collection was 1 month examining participants retrospectively at a 1 year follow-up.
All-Cause Mortality events were not monitored/assessed.

Additional Information

Dhanunjaya Lakkireddy

Kansas City Heart Rhythm Institute

Phone: 913-934-4300

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place