A Platform Study Exploring the Safety Tolerability Effect on the Tumor Microenvironment and Efficacy of Pembrolizumab + INCB Combinations in Advanced Solid Tumors Pembrolizumab Combined With INCB039110 and/or Pembrolizumab Combined With INCB050465 in Advanced Solid Tumors
Brief description of study
This is an open-label, Phase 1b, 2 Part (Part 1a and Part 1b), multi-center study. Part 1a utilizes a 3+3 design to evaluate pembrolizumab and INCB combinations in advanced solid tumors. Group A will evaluate a JAK inhibitor with JAK1 selectivity (INCB039110) in combination with pembrolizumab (MK-3475) and Group B will evaluate a PI3K-delta inhibitor (INCB050465) in combination with pembrolizumab to determine the maximum tolerated dose (MTD) or PAD and recommend a dose for the Part 1b safety expansion with each combination. Once the recommended dose has been identified in Part 1a, subjects with select solid tumor types will be enrolled into safety expansion cohorts based upon prior treatment history with a PD-1 pathway-targeted agent (Part 1b) for each combination.