Denver Heart Research Studies 

The physicians at Denver Heart are very interested in and active in participating in research studies. Here is a list of the current studies in which our practice is presently involved in.

For more information about one of these studies, please contact the Denver Heart main office number at 303-331-9121 and ask to speak to the research department. 

The following studies are actively enrolling new patients:

Study: AMPLATZER PFO Occluder: A single-arm, multi-center post-approval clinical study

Sponsor: Abbott/St. Jude Medical
Principal Investigator: Dr. Michael Wahl
Sub Investigator: Dr. Sameer Mehta

This study is enrolling patients who have had a recent stroke of unknown cause, who have a Patent Foramen Ovale (PFO or hole in their heart), and who may benefit from having their PFO closed to reduce their risk of having additional strokes. 

Click here for more information. 

Study: ULTRASCORE: A prospective, multi-center, single-arm, real-world study assessing the clinical use of the Bard UltraScore Focused Force PTA Balloon

Sponsor: BD/Bard Peripheral Vascular
Principal Investigator: Dr. Sameer Mehta

This study is actively enrolling for patients who have peripheral arterial disease and are undergoing an angiogram of their lower extremities.

Click here for more information.

The following studies are active for the patients enrolled in them, but are not currently enrolling new patients:

Study: CHAMP-HF: An observational registry of treatment patterns in U.S. heart failure patients with reduced ejection fraction

Sponsor: Novartis
Principal Investigator: Dr. Sameer Mehta

This study is following patients with heart failure over a 2 year time period. There are several publications that have been released from Novartis on the effectiveness of Entresto, based on the results of this study.

Study: CONVERGE: A prospective, open label 2:1 randomized multi-center pivotal study, on the convergence of epicardial and endocardial RF ablation for the treatment of persistent atrial fibrillation

Sponsor: Atricure 
Principal Investigator: Dr. Christopher Stees

This study is following patients who have atrial fibrillation who were randomized to either receive a standard ablation or the hybrid Convergent procedure with the cardiovascular surgeon

Click here for more information.

Study: LIBERTY 360: Prospective, observational, multi-center clinical study to evaluate acute and long term clinical and economic outcomes of Endovascular Device Intervention in patients with distal outflow Peripheral Arterial Disease

Sponsor: Cardiovascular Systems, Inc.
Principal Investigator: Dr. Sameer Mehta

This study is following patients with peripheral arterial disease for a 5 year time period. CSI has released information on benefits of endovascular intervention in patients with critical limb ischemia based on information from this study.

Click here for more information.