Phase I/II study of immunotherapy using tumor antigen-pulsed dendritic cells in patients with hepatocellular carcinoma

Dendritic cells (DCs) are increasingly used as adjuvants for vaccination strategies; however, there has been very little development in DC vaccines for patients with hepatocellular carcinoma (HCC). In this study, we assessed the safety, feasibility and efficacy of a multiple tumor-associated antigen...

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Veröffentlicht in:International journal of oncology 2012-11, Vol.41 (5), p.1601-1609
Hauptverfasser: TADA, FUJIMASA, ABE, MASANORI, HIROOKA, MASASHI, IKEDA, YOSHIOU, HIASA, YOICHI, LEE, YOON, JUNG, NAM-CHUL, LEE, WOO-BOK, LEE, HYUN-SOO, BAE, YONG-SOO, ONJI, MORIKAZU
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container_end_page 1609
container_issue 5
container_start_page 1601
container_title International journal of oncology
container_volume 41
creator TADA, FUJIMASA
ABE, MASANORI
HIROOKA, MASASHI
IKEDA, YOSHIOU
HIASA, YOICHI
LEE, YOON
JUNG, NAM-CHUL
LEE, WOO-BOK
LEE, HYUN-SOO
BAE, YONG-SOO
ONJI, MORIKAZU
description Dendritic cells (DCs) are increasingly used as adjuvants for vaccination strategies; however, there has been very little development in DC vaccines for patients with hepatocellular carcinoma (HCC). In this study, we assessed the safety, feasibility and efficacy of a multiple tumor-associated antigen (TAA)-pulsed DC vaccine in 5 patients with advanced HCC. DCs were generated by culturing blood monocytes in the presence of granulocyte macrophage-colony stimulating factor and interleukin-4 for 5 days. The DC vaccine was prepared by pulsing DCs with cytoplasmic transduction peptide-attached α-fetoprotein, glypican-3 and MAGE-1 recombinant fusion proteins and cultivating them in the presence of maturation cocktail. DCs were injected subcutaneously near the inguinal lymph nodes, followed by topical application of toll-like receptor-7 agonist around the injection site. We showed that our DC vaccine was safe and well-tolerated over 6 vaccinations in 5 patients. All 5 patients showed T cell responses against TAAs. Clinical benefit was observed in one of the 5 patients. In conclusion, the feasibility, safety and immune activity of DCs pulsed with TAAs were confirmed in HCC patients. However, clinical response was detected only in one patient. Future trials may consider applying this therapy in a less advanced stage to obtain better clinical responses.
doi_str_mv 10.3892/ijo.2012.1626
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In this study, we assessed the safety, feasibility and efficacy of a multiple tumor-associated antigen (TAA)-pulsed DC vaccine in 5 patients with advanced HCC. DCs were generated by culturing blood monocytes in the presence of granulocyte macrophage-colony stimulating factor and interleukin-4 for 5 days. The DC vaccine was prepared by pulsing DCs with cytoplasmic transduction peptide-attached α-fetoprotein, glypican-3 and MAGE-1 recombinant fusion proteins and cultivating them in the presence of maturation cocktail. DCs were injected subcutaneously near the inguinal lymph nodes, followed by topical application of toll-like receptor-7 agonist around the injection site. We showed that our DC vaccine was safe and well-tolerated over 6 vaccinations in 5 patients. All 5 patients showed T cell responses against TAAs. Clinical benefit was observed in one of the 5 patients. In conclusion, the feasibility, safety and immune activity of DCs pulsed with TAAs were confirmed in HCC patients. 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Abdomen ; Good Manufacturing Practice ; hepatocellular carcinoma ; Humans ; Immunotherapy ; Liver cancer ; Liver Neoplasms - pathology ; Liver Neoplasms - therapy ; Liver. Biliary tract. Portal circulation. 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However, clinical response was detected only in one patient. Future trials may consider applying this therapy in a less advanced stage to obtain better clinical responses.</abstract><cop>Athens</cop><pub>D.A. Spandidos</pub><pmid>22971679</pmid><doi>10.3892/ijo.2012.1626</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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subjects Aged
Antigens, Neoplasm - immunology
Biological and medical sciences
Cancer Vaccines - adverse effects
Cancer Vaccines - immunology
Cancer Vaccines - therapeutic use
Carcinoma, Hepatocellular - pathology
Carcinoma, Hepatocellular - therapy
clinical trial
Cytokines - biosynthesis
Cytokines - immunology
dendritic cells
Dendritic Cells - immunology
Female
Gastroenterology. Liver. Pancreas. Abdomen
Good Manufacturing Practice
hepatocellular carcinoma
Humans
Immunotherapy
Liver cancer
Liver Neoplasms - pathology
Liver Neoplasms - therapy
Liver. Biliary tract. Portal circulation. Exocrine pancreas
Male
Medical sciences
Middle Aged
Neoplasm Staging
Rodents
T cell receptors
T-Lymphocytes - immunology
Treatment Outcome
Tumors
Vaccines
title Phase I/II study of immunotherapy using tumor antigen-pulsed dendritic cells in patients with hepatocellular carcinoma
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