Columbia University Medical Center is conducting a pilot clinical research study that will
assess the use of the medication metformin for heart failure in patients who are not diabetic
and have no evidence of insulin resistance.
Patients will received either the study drug metformin or placebo for 4 months. During the
study, the patients will undergo extensive testing that will include symptom assesment,
exercise capacity, echocardiography, cardiac PET imaging and blood tests.