MTD was determined by testing increasing AZD3965 doses in Part 1 dose escalation cohorts (Cohorts 1-6) and defined as the total daily dose level below that at which ≥2 out of ≤6 evaluable patients had a dose-limiting toxicity (DLT) during Cycle 1 (including Day -7). DLTs were defined as highly probably/probably AZD3965 related haematological, cardiac, ophthalmic, other Grade 3/4 toxicity, death or drug-related toxicity causing AZD3965 interruption \>2 weeks (see protocol for specific criteria)

Number of patients who experienced protocol-defined DLTs (defined according to NCI CTCAE version 4.02). DLTs were defined as highly probably/probably AZD3965 related haematological, cardiac, ophthalmic, other Grade 3/4 toxicity, death or drug-related toxicity causing AZD3965 interruption \>2 weeks (see protocol for specific criteria)

A serious adverse event (SAE) is any AE, regardless of dose, causality or expectedness, that results in death, is life-threatening, requires in-patient hospitalisation or prolongs existing in-patient hospitalisation, results in persistent or significant incapacity or disability, is a congenital anomaly or birth defect or is any other medically important event. Any ophthalmic and/or cardiac DLT is considered a medically important event and therefore an SAE in this trial. Specific AE terms are provided in the Adverse Events section

A non-serious AE is any untoward medical occurrence that does not meet the serious criteria described for outcome measure 3 above. Specific AE terms are provided in the Adverse Events section