Study to Determine the Maximum Tolerated Dose (MTD) of PARPi 2X-121 Monotherapy and the MTD of Dovitinib in Combination With 2X-121 in Patients With Advanced Solid Tumors

"The dose levels to be evaluated in Part 1 are:~Cohort 1 600 mg (morning dose: 200 mg + evening dose: 400 mg); Cohort 2 800 mg (morning dose: 400 mg + evening dose: 400 mg); Cohort 3 1000 mg (morning dose: 400 mg + evening dose: 600 mg);~The dose levels to be evaluated in Part 2 are:~Cohort 1 2X-121 (MTD) + 300 mg dovitinib; Cohort 2 2X-121 (MTD) + 400 mg dovitinib; Cohort 3 2X-121 (MTD) + 500 mg dovitinib;"