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|Combined vaccination with idiotype-pulsed allogeneic dendritic cells and soluble protein idiotype for multiple myeloma patients relapsing after reduced-intensity conditioning allogeneic stem cell transplantation.|
|Authors: ||Bendandi, M. (Maurizio)|
Rodriguez-Calvillo, M. (Mercedes)
Inoges, S. (Susana)
Lopez-Diaz-de-Cerio, A. (Ascensión)
Perez-Simon, J.A. (José Antonio)
Rodriguez-Caballero, A. (Arancha)
Garcia-Montero, A. (A.)
Almeida, J. (J.)
Zabalegui, N. (Natalia)
Giraldo, P. (P.)
San-Miguel, J.F. (Jesús F.)
Orfao, A. (Alberto)
|Keywords: ||Cancer Vaccines/immunology|
Vaccines, Conjugate/therapeutic use
|Issue Date: ||2006|
|Publisher: ||Informa Healthcare|
|Publisher version: ||http://informahealthcare.com/doi/abs/10.1080/10428190500272473|
|Citation: ||Bendandi M, Rodriguez-Calvillo M, Inoges S, Lopez-Diaz de Cerio A, Perez-Simon JA, Rodriguez-Caballero A, et al. Combined vaccination with idiotype-pulsed allogeneic dendritic cells and soluble protein idiotype for multiple myeloma patients relapsing after reduced-intensity conditioning allogeneic stem cell transplantation. Leuk Lymphoma 2006 Jan;47(1):29-37.|
BACKGROUND AND OBJECTIVE:
To combine the use of idiotype-pulsed allogeneic dendritic cells (alloDC) and soluble protein Id conjugated with KLH (Id-KLH) in a vaccine strategy for multiple myeloma (MM).
DESIGN AND METHODS:
Four MM patients received the combined vaccine after having experienced disease relapse/progression following reduced intensity conditioning (RIC) allogeneic stem cell transplantation (alloSCT) and failure to rescue therapy with donor lymphocyte infusion or chemotherapy (CHT).
Vaccination was well tolerated and induced an anti-KLH antibody response in all 4 patients as well as substantial cell proliferation. In contrast, no case showed similar effects against either tumor-specific Id or irrelevant isotype control immunoglobulins (Ig). In turn, vaccination was associated with modulation of biological responses linked to both inflammatory and T-cell activation, with secretion of effector Th1 cytokines. In particular, an important increase in the spontaneous ex vivo secretion of TNFalpha, IL-6 and IFNgamma as well as IL-2 and IL-10 was frequently observed prior to the fourth vaccination. Moreover, in vitro stimulation with Id-KLH and Id-KLH plus alloDC, but not with alloDC alone was associated with an enhanced number of TNF-alpha+ T-cells and an increased secretion of IFNgamma and IL-2 before the third and fourth vaccination. From a clinical standpoint, 2 patients had a transient response and 1 has stable disease after stopping vaccination, while 3 of them ultimately progressed.
INTERPRETATION AND CONCLUSIONS:
The results show for the first time that the use of Id-pulsed alloDC following RIC alloSCT is safe and feasible. However, crucial strategy improvements are warranted to possibly achieve clinical benefit.
|Permanent link: ||http://hdl.handle.net/10171/18722|
|Appears in Collections:||DA - CIMA - Oncología - Inmunoterapia - Artículos de Revista|
DA - CUN - Hematología y Hemoterapia - Artículos de revista
DA - CUN - Área de Terapia Celular - Artículos de revista
DA - Medicina - Hematología - Artículos de revista
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