This study is designed as a phase 1, multicenter, open-label, single arm, dose-escalation, study of Cabazitaxel in combination with cisplatin, to determine safety, pharmacokinetics (PK), and efficacy in solid tumors (parts 1 and 2) and single sequence, two-treatment, crossover studies to determine the effect of strong CYP3A4 inhibition and induction on the PK of Cabazitaxel in patients with solid tumors (part 3 and part 4, respectively).