Nab-paclitaxel in Combination with Gemcitabine for Pediatric Relapsed and Refractory Solid Tumors

Gemcitabine will be administered intravenously once weekly over 60 minutes every 3 out of four weeks. The dose of gemcitabine will start at 675 mg/m2/dose. If the MTD has been exceeded at the Dose Level 1, then the subsequent cohort of participants will be treated with gemcitabine at a dose of 500 mg/m2/dose (Dose Level 0).

Nab-Paclitaxel will be administered intravenously over 30 minutes once weekly every 3 out of 4 weeks. Nab-paclitaxel will be administered prior to administration of gemcitabine. The starting dose of nab-paclitaxel will be 180 mg/m2/dose (dose level 1). Dose levels for subsequent groups of subjects are 210 mg/m2/dose (for dose level 2) and 240 mg/m2/dose (for dose level 3).