A Study of SY-1365 in Adult Patients With Advanced Solid Tumors

"Two dosing schedules will be evaluated in dose escalation and a dose(s)/schedule(s) will be determined for Part 2:~* Twice weekly: SY-1365 will be administered by intravenous infusion over 1 or 2 hours twice a week for 3 weeks of each 4 week (28 day) cycle.~* Weekly: SY-1365 will be administered by intravenous infusion over 1 or 2 hours once a week for 3 weeks of each 4 week (28 day) cycle."

Carboplatin will be administered on Day 1 of each 3 week (21-day) cycle (Part 2 only)

Fulvestrant will be administered as an intramuscular (IM) dose of 500 mg every 2 weeks for the first 3 doses on Day 1 and Day 15 of the first 28-day cycle (Cycle 1), and on Day 1 of the second 28 day cycle (Cycle 2), and monthly thereafter starting on Day 1 of Cycle 3 (Part 2 only)

In combination with carboplatin, SY-1365 will be administered by intravenous infusion over 1 or 2 hours for 2 weeks of each 3 week (21-day) cycle (Part 2 only)

In combination with fulvestrant, SY-1365 will be administered by intravenous infusion over 1 or 2 hours once a week for 3 weeks of each 4 week (28-day) cycle (Part 2 only)

SY-1365 will be administered by intravenous infusion over 1 or 2 hours twice a week for 3 weeks of each 4 week (28 day) cycle