The Efficacy and Safety of Dapagliflozin in Improving Heart Failure in Dialysis Patients

This study is testing whether a diabetes medication called dapagliflozin can help improve heart function in people who are on regular dialysis and also have heart failure. **You may be eligible if...** - You are between 20 and 70 years old - You have been on dialysis for more than 3 months - You have been diagnosed with chronic heart failure (with weak pumping function or high heart failure markers in your blood) **You may NOT be eligible if...** - You have certain serious heart conditions (such as very low blood pressure, severe valve disease, or recent heart attack) - You have had a recent stroke or are pregnant - You have other conditions that the study team determines make participation unsafe Talk to your doctor to see if this trial is right for you.