Safety and efficacy of TRC4186 in the treatment of stable heart failure associated with HbA1c >= 6 % or type 2 diabetes receiving oral hypoglycaemic therapy (with or without additional insulin) as an add-on to conventional treatment for heart failure.

To evaluate safety and efficacy of TRC4186 in the treatment of stable heart failure associated with HbA1c ? 6% or type 2 diabetes receiving oral hypoglycaemic therapy (with or without additional insulin) as an add-on to conventional treatment for heart failure (Proof of Concept).