| Inclusion Criteria: | 1) Evidence of histologically or cytologically documented malignancy, including patients with treated, stable brain metastases. For Part A: Malignancy that is advanced and/or metastatic for which no proven therapy exists (for example, there is no comparable or satisfactory alternative drug or other therapy available to treat that stage of the disease). For Part B and C: Malignancy that is advanced and/or metastatic for which no proven therapy exists, and presents with disease that is amenable to serial measurement of pharmacodynamics by biopsy.
2) Male or female >/= 18 years of age
3) Written informed consent from the patient
4) Performance status of 0 or 1 on the Eastern Cooperative Oncology Group (ECOG) scale
5) Patients must have discontinued all previous therapies for cancer, including chemotherapy, radiotherapy, or other investigational therapy for at least 4 weeks (2 weeks for palliative radiotherapy, 6 weeks for mitomycin C or nitrosoureas), piror to study enrollment and have recovered from the acute effects of therapy.
6) Patients are able to comply with the protocol requirements and are reliable and willing to make themselves available for the duration of the study and will abide by the research units policies and procedures.
7) Have adequate organ function including: Bone Marrow Reserve: Absolute neutrophil count (ANC) >/= 1.5 x 10^9/L prior to treatment, platelets >/= 100 x 10^9/L, hemoglobin >/= 9 g/dL; Hepatic: Bilirubin </= upper limits or normal (ULN), alanine transaminase (ALT) and aspartate transaminase (AST) </= 2.5 x ULN; Renal: Calculated creatinine clearance by Cockcroft-Gault formula >/= 50 ml/min; Coagulation: Activated prothrombin time (APTT) and prothrombin time (PT) less than or equal to the ULN.
8) Males and females with reproductive potential should use medically approved contraceptive precautions during the trial and for 3 months following the last dose of study drug. |