Renal Hemodynamic Effects of RLX030A in Subjects With Chronic Heart Failure (CHF)

Inclusion Criteria:

• Written informed consent must be obtained before any assessment is performed.
• Male and female heart failure patients with body weight <160 kg, on standard therapy including a stable dose of furosemide 40-240 mg/day orally (p.o). or equivalent dose of loop diuretics, reduced systolic function (LVEF ≤ 45% measured within the past 6 months), BNP ≥ 100 pg/mL or NT-pro-BNP of ≥ 400 pg/mLNYHA Class II or III, and worsening symptoms, e.g. fatigue, dyspnea, breathlessness within 3 months
• Mild to moderate renal impairment

Exclusion criteria:

• Systolic blood pressure (SBP) < 110 mm Hg at the time of randomization
• Administration of intravenous radiographic contrast agent within 72 hours prior to randomization or acute contrast-induced nephropathy at the time of randomization
• Current use of non-steroidal antiinflammatory drugs (NSAIDs)
• Current or planned (through the completion of study drug infusion) treatment with any i.v. therapies, including vasodilators (including nesiritide), positive inotropic agents, vasopressors, levosimendan, or mechanical support (intra-aortic balloon pump, endotracheal intubation, mechanical ventilation, or any ventricular assist device).
• Clinically significant hepatic impairment defined as hepatic encephalopathy of any degree or total bilirubin > 50 μmol/l (3 mg/dl) or, if patient is not on warfarin therapy, INR > 2.0 (or Prothrombin Time > 2 * ULN)

Other protocol-defined inclusion/exclusion criteria may apply.