CAPACITY (Cardiac Amyloidosis and Physical ACtivITY) Study

The CAPACITY study is testing whether a supervised cardiac rehabilitation and exercise program can improve the physical fitness, quality of life, and heart function of people with cardiac amyloidosis — a condition where abnormal protein deposits stiffen the heart, leading to heart failure. **You may be eligible if...** - You are over 18 years old - You have been diagnosed with cardiac amyloidosis - You have heart failure at NYHA Class I, II, or III (mild to moderate symptoms) - You are able to exercise - You are on stable treatment for your cardiac amyloidosis (or under surveillance) - Your life expectancy is at least 6 months - You can commit to attending supervised exercise sessions 3 times per week for 12 weeks **You may NOT be eligible if...** - You have NYHA Class IV heart failure (severe, with symptoms at rest) - You require home oxygen for lung disease - You have gait instability or a history of falls - You are unable to give informed consent or commit to the study schedule Talk to your doctor to see if this trial is right for you.