Obtaining of informed consent and screening may be performed up to 28 days prior to enrollment. Each patient will be able to receive his specified regimen for 3 consecutive cycles. Each cycle consists of 28 days (approximately 1 mo.). End of Cycle 3 visit assessments will be used to determine outcome and dosing may continue up to an additional 2 weeks until the results of all assessments are obtained. Eligible patients may continue treatment in an optional extension period following the completion of the primary parts of this trial.