Trial Outcomes & Findings for Evaluating Active Esophageal Cooling During Cardiac Ablation Procedures (NCT NCT04063761)

NCT ID: NCT04063761

Last Updated: 2025-06-17

Results Overview

Study Day 1 for all patients enrolled, during left atrial ablation procedures using radiofrequency energy, up to 5 hours. Measured as total procedure time as documented by clinician recorder and research coordinator.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

20 participants

Primary outcome timeframe

Study Day 1 for all patients enrolled, during left atrial ablation procedures using radiofrequency energy, up to 5 hours

Results posted on

2025-06-17

Participant Flow

Participant milestones

Participant milestones
Measure
Esophageal Cooling
Single arm study: Patients receive the Attune Medical Esophageal Heat Transfer Device esophageal cooling device (Attune Medical, Chicago, IL): Prospective, single center pilot study
Overall Study
STARTED
20
Overall Study
COMPLETED
20
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Esophageal Cooling
n=20 Participants
Single arm study: Patients receive the Attune Medical Esophageal Heat Transfer Device esophageal cooling device (Attune Medical, Chicago, IL): Prospective, single center pilot study
Age, Continuous
66 years
STANDARD_DEVIATION 11 • n=20 Participants
Sex: Female, Male
Female
8 Participants
n=20 Participants
Sex: Female, Male
Male
12 Participants
n=20 Participants
Region of Enrollment
United States
20 participants
n=20 Participants

PRIMARY outcome

Timeframe: Study Day 1 for all patients enrolled, during left atrial ablation procedures using radiofrequency energy, up to 5 hours

Study Day 1 for all patients enrolled, during left atrial ablation procedures using radiofrequency energy, up to 5 hours. Measured as total procedure time as documented by clinician recorder and research coordinator.

Outcome measures

Outcome measures
Measure
Esophageal Cooling
n=20 Participants
Single arm study: Patients receive the Attune Medical Esophageal Heat Transfer Device esophageal cooling device (Attune Medical, Chicago, IL): Prospective, single center pilot study
Total Time of Active Ablation Procedure
3.26 Hours
Standard Deviation 0.7

SECONDARY outcome

Timeframe: Study Day 1 for all patients enrolled from patient entry to Electrophysiology (EP) lab until post procedure discharge to Post-Anesthesia Care Unit (PACU)

Study Day 1 for all patients enrolled, during left atrial ablation procedures using radiofrequency energy, up to 5 hours after procedure. Measured as total procedure time to discharge to PACU as documented by clinician recorder and research coordinator.

Outcome measures

Outcome measures
Measure
Esophageal Cooling
n=20 Participants
Single arm study: Patients receive the Attune Medical Esophageal Heat Transfer Device esophageal cooling device (Attune Medical, Chicago, IL): Prospective, single center pilot study
Total Procedure Time
5.11 Hours
Standard Deviation 0.59

SECONDARY outcome

Timeframe: Study Day 1 for all patients enrolled, during left atrial ablation procedures using radiofrequency energy, up to 5 hours

Number of procedural pauses during left atrial instrumentation measured from trans-septal puncture to achievement of Pulmonary Vein Isolation (PVI)

Outcome measures

Outcome measures
Measure
Esophageal Cooling
n=20 Participants
Single arm study: Patients receive the Attune Medical Esophageal Heat Transfer Device esophageal cooling device (Attune Medical, Chicago, IL): Prospective, single center pilot study
Number of Procedural Pauses During Left Atrial Instrumentation
0 Procedural pauses
Interval 0.0 to 0.168

Adverse Events

Esophageal Cooling

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Clinical Research Coordinator

Attune Medical

Phone: 888.534.4873

Results disclosure agreements

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