Adverse events will be collected from Informed consent until the end of the follow-up period which is defined as 28 days (+7 days) after study treatment is discontinued.Physical exam (screening, single dosing day, Day 1 of every 3-week cycle of multiple dosing and treatment discontinuation). ECG and vital signs (screening, Day 1 and 2 of Cycle 0 for AZD3759 cohorts, Day 8 of Cycle 1 for AZD3759 cohorts, Day 1 of every 3-week cycle, treatment discontinuation, and if occurrence of any cardiac adverse event). Lab variables (screening, first dosing day, Day 1, 8 and 15 of multiple dosing, Day 1 of every 3-week cycle and treatment discontinuation). Eye exam (at screening and study drug discontinuation and upon occurrence of any visual AE). Echocardiogram or multigated radionuclide angiography (at screening,whenever necessary as clinically indicated throughout the study for AZD3759 cohorts.