Last updated on February 2020

Heart Failure Optimization Study


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Heart Failure Low Output | Sudden Cardiac Death | Heart failure
  • Age: Between 18 - 100 Years
  • Gender: Male or Female

Inclusion Criteria:

Part 1

  • Patients (18 years old) who were prescribed the WCD 10 days post-discharge after hospitalization for a primary reason of new onset HF (30 days since first HF hospitalization), with ischemic or nonischemic cardiomyopathy, and have used the WCD for no more than 30 days.
  • Patients who had an EF 35% during index hospitalization (must be last measurement if performed multiple times).

Part 2

  • Patients (18 years old) who were prescribed the WCD 10 days post-discharge after hospitalization for a primary reason of new onset HF (30 days since first HF hospitalization), with ischemic or nonischemic cardiomyopathy, and have already used a WCD for 90 14 days.
  • Patients who had an EF 35% during index hospitalization (must be last measurement if performed multiple times). Of note, EF at 90 14 days post-hospitalization does not need to be low to be included in the study.

Exclusion Criteria:

  • Patients under 18 years old.
  • Patients who have an active unipolar pacemaker.
  • Patients with a physical or mental condition that could impair their ability to properly interact with the device.
  • Patients currently participating in another clinical study.
  • Patients with any skin condition that would prevent wearing the device.
  • Patients with an advanced directive prohibiting resuscitation.
  • Patients who are indicated for cardiac resynchronization therapy or have a QRS duration of 135 ms.
  • Patients with recent myocardial infarction or coronary revascularization (since start of WCD wear; i.e. 0-90 days of WCD wear).

Recruitment Status: Closed


Brief Description Eligibility Contact Research Team


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