Abstract:
UNLABELLED:In a phase II clinical study, pretreated multiple myeloma patients with relapsing or stable disease received autologous anticancer vaccine containing dendritic cells loaded with Id-protein. Patients received a total of 6 vaccine doses intradermally in monthly intervals. No clinical responses were observed. During the follow-up with a median of 33.1 months (range: 11-43 months), the disease remained stable in 7/11 (64%) of patients. Immune responses measured by ELISpot were noted in 3/11 (27%) and DTH skin test for Id-protein was positive in 8/11 (73%) of patients; out of those, 1/11 (9%) and 5/11 (46%), respectively, had preexisting immune response to Id-protein before the vaccination began. Outcomes were compared to those of a control group of 13 patients. A trend to lower cumulative incidence of progression in the vaccinated group was observed at 12 months from the first vaccination (p= 0.099). More patients from the control group compared to vaccinated patients required active anticancer therapy [4/11 (36%) vs. 8/13 (62%)]. Vaccines based on dendritic cells loaded with Id-protein are safe and induce specific immune response in multiple myeloma patients. Our results suggest that the vaccination could stabilize the disease in approximately two-thirds of patients. KEYWORDS:dendritic cells, immunotherapy, anticancer vaccines, Id-protein, multiple myeloma.
journal_name
Neoplasmajournal_title
Neoplasmaauthors
Zahradova L,Mollova K,Ocadlikova D,Kovarova L,Adam Z,Krejci M,Pour L,Krivanova A,Sandecka V,Hajek Rdoi
10.4149/neo_2012_057subject
Has Abstractpub_date
2012-01-01 00:00:00pages
440-9issue
4eissn
0028-2685issn
1338-4317journal_volume
59pub_type
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