Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04079634 · ClinicalTrials.gov registry record · NA

Esophageal Temperature Management During Cryo AF Ablation (EnsoETM)

A NA study of Atrial Fibrillation, sponsored by Northwestern University.

Completed
Registry status
NA
Development phase
42
Enrollment target
1
Study location

NCT04079634: Completed NA study of Atrial Fibrillation, sponsored by Northwestern University.

NCT04079634 is a NA study of Atrial Fibrillation that has completed, run by Northwestern University. The registered enrollment target is 42 participants, below the 2,997-participant average among 202 other Atrial Fibrillation trials with a reported enrollment target (99% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04079634, a NA study of Atrial Fibrillation, has completed, sponsored by Northwestern University.

COMPLETED
Registry status
NA
Development phase
42 participants
Enrollment target
1
Study location

Study Summary

The purpose of this pilot study is to determine if esophageal warming using the Attune Medical Esophageal Heat Transfer Device (EnsoETM) limits the frequency or severity of thermal injury during cryoballoon ablation of atrial fibrillation.

Primary Outcome

Endoscopic evidence of thermal injury

Conditions Studied

Interventions

  • DEVICE Control
  • DEVICE Esophageal warming

Study Locations (1)

Illinois

  • Northwestern University - Chicago

Trial Details

FieldValue
Enrollment Target 42 participants
Start Date 2019-10-08
Est. Completion 2022-12-31
Phase NA
Northwestern University

1,209 total trials

What the finished NCT04079634 record still lists

NCT04079634 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 42 participants, a relatively small participant target, below the 2,997-participant average among 202 other Atrial Fibrillation trials with a reported enrollment target (99% lower).

The record links to 1 condition, with Atrial Fibrillation appearing as the primary indexed condition, and to 2 interventions - of which Control is the first listed.

NCT04079634 reports a single indexed study location in Illinois.

Frequently Asked Questions

What is clinical trial NCT04079634 about?

NCT04079634 is a clinical study titled "Esophageal Temperature Management During Cryo AF Ablation (EnsoETM)". The purpose of this pilot study is to determine if esophageal warming using the Attune Medical Esophageal Heat Transfer Device (EnsoETM) limits the frequency or severity of thermal injury during cryoballoon ablation of atrial fibrillation.

What is the current status of trial NCT04079634?

This trial is currently completed. It is a NA study. The enrollment target is 42 participants. The study started on 2019-10-08. Estimated completion is 2022-12-31.

What conditions does trial NCT04079634 study?

This clinical trial studies the following conditions: Atrial Fibrillation.

What interventions are being tested in trial NCT04079634?

The interventions under investigation include: Control (DEVICE), Esophageal warming (DEVICE).

Who is sponsoring clinical trial NCT04079634?

This trial is sponsored by Northwestern University, which has 1,209 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04079634 being conducted?

This trial has 1 study location across Illinois. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Atrial Fibrillation

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04079634's enrollment target sits among peer trials

42 180th of 202 higher than 22 of 202 other Atrial Fibrillation trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Atrial Fibrillation trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02852213 · 42 participants · Phase 1

    A Single-Stage, Adaptive, Open-label, Dose Escalation Safety and Efficacy Study of AADC Deficiency in Pediatric Patients

  • NCT03136146 · 42 participants · Phase 2

    Combination Chemotherapy in Treating Patients With Relapsed or Refractory Acute Lymphoblastic Leukemia, Lymphoblastic Lymphoma, Burkitt Lymphoma/Leukemia, or Double-Hit Lymphoma/Leukemia

  • NCT03178149 · 42 participants · Phase 1

    A Study of the Safety and Tolerability of ASP7317 in Senior Adults Who Are Losing Their Clear, Sharp Central Vision Due to Geographic Atrophy Secondary to Dry Age-related Macular Degeneration

  • NCT03663530 · 42 participants · NA

    Circadian Misalignment and Energy Balance

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04079634, the US trial registry maintained by the National Library of Medicine. NCT04079634 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.