Polyvalent Vaccine-KLH Conjugate + Opt-821 Given in Combination With Bevacizumab

A maximum of 6 doses of the polyvalent-KLH vaccine and OPT-821 will be administered to each patient as per the schedule. Bevacizumab will be administered once every two weeks until week 11 and then once every three weeks according to the schedule. When the 6 vaccinations of the polyvalent-KLH vaccine +OPT821 are completed, patients may still continue to receive bevacizumab on the once every three week schedule.