Safety and Preliminary Efficacy of ATG-017 Monotherapy or Combination Therapy With Nivolumab in Advanced Solid Tumors and Hematological Malignancies

Dosing will begin at 5 mg QD ATG-017 as starting dose. A treatment cycle will be 21 days for continuous dosing and 28 days for 7 days on/7 days off intermittent dosing of ATG-017 treatment.

With the combination with nivolumab, a cycle of study treatment will be defined as 28 days. ATG-017 is planned initially to be continuously given 28 days in each cycle. ATG-017 dosing schedule in combination therapy will follow a similar dose escalation principle as with monotherapy but starting at 5 mg BID. Nivolumab will be specified dose on specified days.