Study of E7389 Liposomal Formulation in Participants With Solid Tumor

The maximum tolerated dose (MTD) of E7389 liposomal formulation (E7389-LF) will be determined in the dose escalation part. Safety, pharmacokinetics (PK) and efficacy will be assessed using treatment regimen evaluated in dose escalation part in participants with breast cancer (up to 3 prior regimens of chemotherapy) in the expansion part 1 and in participants with adenoid cystic carcinoma (ACC), gastric cancer (GC), esophageal cancer (EGC), small cell lung cancer (SCLC) and breast cancer (with no prior regimens of chemotherapy) in the expansion part 2, 3, 4, 5 and 6 respectively.