Assess the safety and tolerability of subcutaneous (SC) and intravenous (IV) administration of DF6002, as monotherapy and in combination with nivolumab, and to determine the maximum tolerated dose (MTD) and recommended efficacy expansion dose (REED) of SC and IV DF6002, both as monotherapy and in combination with nivolumab, for patients with advanced (unresectable, recurrent, or metastatic) solid tumors.
