APL-501 Study for Select Advanced or Relapsed/Recurrent Solid Tumors

"Subjects will be assigned to a dose level in the order of study entry. Treatment includes a minimum of four 28-day cycles at three planned dose levels (1, 3, and 10 mg/kg). In the Dose Escalation Segment, each treatment cycle is comprised of 2 doses of study drug administered on Days 1 and 15 of a 28-day cycle. In the Cohort Extension, the treatment cycle will consist of 2 doses of study drug administered on Days 1 and 15 of a 28-day cycle.~In Dose and Disease Expansion, the treatment cycle will consist of 2 doses of study drug (non-weight based dosing of 400 mg) administered on Days 1 and 15 of a 28-day cycle."