Vaccination of Patients With Ovarian Cancer With Dendritic Cell/Tumor Fusions With Granulocyte Macrophage Colony-stimulating Factor (GM-CSF) and Imiquimod
Patients must have undergone therapeutic debulking surgery for independent clinical indications and have tissue frozen and stored under sterile conditions as part of protocol 07-319 (Study of Primary Tumor Harvest for the Purpose of Possible Use in a Future Clinical Trial in Patients with Ovarian, Fallopian Tube, or Primary Peritoneal Cancer)
Participants will be assigned to one of two study groups. Both groups will undergo a procedure known as leukapheresis by which the white blood cells are removed from the participants blood in order to obtain the dendritic cells. Prior to this procedure participants may receive 4 injections of GM-CSF, which helps increase the white blood cell count.
If enough cells are obtained during the leukapheresis, tumor cells and dendritic cells will then be fused (mixed) together in the laboratory and divided into the appropriate doses for administration.
Participants assigned to Group 1 will undergo subcutaneous vaccination with the dendritic cell tumor fusion vaccine. On the day of the vaccine and three days afterwards, they will receive GM-CSF injections at the site of the vaccination. Participants will receive a dose of the vaccine every 3 weeks for a total of 3 vaccinations.
Participants assigned to Group 2 will undergo subcutaneous vaccination with the dendritic cell tumor fusion vaccine. On the day of the vaccine and three days afterwards, they will receive GM-CSF injection at the site of the vaccination. Additionally, imiquimod cream will be applied to the skin at the injection sight 2 hours before the vaccine administration. Participants will continue to apply imiquimod cream at the site of vaccination for 3 days following the injection. Participants will receive a dose of the vaccine every 3 weeks for a total of 3 vaccinations.