How a specific enzyme affects heart function and calcium levels

Phosphodiesterase 1 (PDE1) Regulation of Myocardial Calcium and Function

NIH-funded research Loyola University Chicago · NIH-11013862

This study is looking at how a specific enzyme called PDE1 affects heart function and calcium levels in heart muscle, with the goal of finding safer treatments for heart failure that can help the heart pump better without causing irregular heartbeats.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionLoyola University Chicago NIH-funded
Lab location1 site (Maywood, United States)
Project IDNIH-11013862 on NIH RePORTER

What this research studies

This research investigates the role of phosphodiesterase 1 (PDE1) in regulating heart function and calcium levels in the heart muscle. The study aims to understand how inhibiting PDE1 can improve cardiac contractility without increasing the risk of arrhythmias, which is a concern with other similar drugs. By examining the mechanisms of action of PDE1 and comparing it to PDE3, the research seeks to uncover how these enzymes influence heart function differently. Patients may benefit from insights that could lead to safer heart failure treatments.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults over 21 years old who are experiencing heart failure or related cardiac conditions.

Not a fit: Patients with non-cardiac conditions or those under 21 years old may not receive any benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to safer and more effective treatments for heart failure that minimize the risk of dangerous side effects.

How similar studies have performed: Previous research has shown that targeting phosphodiesterases can improve heart function, but the specific effects of PDE1 inhibition are still being explored.

Where this research is happening

Maywood, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.