Recommended Phase 2 Dose (RP2D) [Time Frame: Up to approximately 13 months]
Cmax: Maximum Observed Plasma Concentration of TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
Tmax: Time of First Occurrence of Maximum Observed Plasma Concentration (Cmax) of TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
AUCtau: Area Under the Plasma Concentration-time Curve for a Dosing Interval for TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
AUClast: Area Under the Plasma Concentration-time Curve From Time 0 to Last Quantifiable Concentration for TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
AUCinf: Area Under the Plasma Concentration-time Curve From Time 0 to Infinity for TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
Ctrough: Trough Plasma Concentration of TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
CL: Clearance of TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
Vss: Volume of Distribution at Steady State for TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
t1/2: Terminal Half-Life of TAK-186 [Time Frame: Pre-dose and at multiple time points post-dose on Days 1, 2, 8, 9, 10, 15, 22, 29, 36, 43, 50 up to end of treatment (Up to 13 months)]
Number of Participants with Anti-drug Antibodies (ADA) in Plasma for TAK-186 [Time Frame: Up to approximately 13 months]
Preliminary Anti-tumor Activity of TAK-186 in Participants with Advanced Cancer Based on Tumor Protein Marker Changes in Serum [Time Frame: Up to approximately 13 months]
Objective Response Rate (ORR) [Time Frame: Up to approximately 13 months]
Duration of Response [Time Frame: Up to approximately 13 months]
Progression-free Survival (PFS) [Time Frame: Up to approximately 13 months]
Overall Survival (OS) [Time Frame: Up to approximately 13 months]