Bevacizumab and Trabectedin +/- Carboplatin in Advanced Ovarian Cancer

Arm A: bevacizumab (15 mg/kg) given as 1 hour infusion will be followed by trabectedin (1.1 mg/sqm) 3 hour iv infusion; to be repeated every 21 days until progression, unacceptable toxicity, patient or physician decision to discontinue, or death patients

"Arm B: cycle 1- 6, bevacizumab given as 1 hour infusion will be followed by carboplatin AUC 4 and trabectedin 3 hour iv infusion.~Cycle 7- end of treatment, bevacizumab given as 1 hour infusion will be followed by trabectedin 3 hour iv infusion.~Patient enrolled in arm B will receive (cycle 1-6): trabectedin 0.8 mg/m2 ,carboplatin AUC 4 day 1 every 28 days and bevacizumab 10 mg/kg iv on day 1 and day 15.~From cycle 7 to disease progression, unacceptable toxicity, patient or physician decision to discontinue, or death patients will receive bevacizumab 15 mg/kg iv and trabectedin 1.1 mg/m2 day 1 every 21 days"