Inclusion Criteria:
Healthy Subjects:
- Subjects must have a calculated glomerular filtration rate (GFR) by Cockcroft-Gault Equation ≥80 mL/min.
Severe Renal Impaired Patients:
- Patients not on dialysis with severe renal failure with a creatinine clearance < 30 mL/min as determined by Cockcroft-Gault Equation.
- Renal function should have been stable within the 3 months prior to study start.
- Patients with diabetes and/or hypertension who are in otherwise in good health may be included. However patients with diabetes must not have clinical evidence of gastropathy or enteropathy.
Exclusion Criteria:
All Subjects/Patients:
- History of multiple and recurring allergies or allergy to the investigational compound/compound class being used in this study
- History of retinal macular edema.
- History of any significant cardiovascular events such as myocardia infarction, valvular disease, angina, ischemic heart disease, dilated cardiomyopathy, dysrhythmia.
- History of immunocompromise, including a positive HIV (ELISA and Western blot) test result.
Severe Renal Impaired Patients:
- Use of any highly potent CYP3A4 inhibitor (e.g. erythromycin, ketoconazole, itraconazole) within 2 weeks prior to dosing.
- Use of beta blocker therapy within two (2) weeks prior to dosing.
Other protocol-defined inclusion/exclusion criteria may apply