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Pilot Study of Sent...
Pilot Study of Sentinel-Node-Based Adoptive Immunotherapy in Advanced Colorectal Cancer.
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Karlsson, Mona (författare)
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- Marits, Per (författare)
- Karolinska Institutet
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Dahl, Kjell (författare)
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Dagöö, Tobias (författare)
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- Enerbäck, Sven, 1958 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine
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Thörn, Magnus (författare)
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- Winqvist, Ola (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2010-01-30
- 2010
- Engelska.
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Ingår i: Annals of surgical oncology. - : Springer Science and Business Media LLC. - 1534-4681 .- 1068-9265. ; 17:7, s. 1747-1757
- Relaterad länk:
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https://link.springe...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
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- BACKGROUND: Despite optimal surgical treatment and modern adjuvant therapies, 50% of patients diagnosed with colorectal cancer die within 5 years. Immunotherapy offers an appealing complement to traditional chemotherapy, with possible long-term protection against tumor recurrences through immunological memory. We have conducted a pilot study of a novel adoptive immunotherapy, using autologous, in vitro expanded lymphocytes isolated from the tumor-draining sentinel lymph node. STUDY DESIGN: Sentinel nodes were recovered from 16 patients with disseminated or locally advanced, high-risk colorectal cancer. Single-cell suspensions of sentinel-node-acquired lymphocytes were clonally expanded in vitro in the presence of autologous tumor extract and returned as a transfusion. Patients were followed with clinical and radiological evaluations. Long-term survival was compared with traditionally treated controls. RESULTS: Sentinel-node-acquired CD4(+) Th1-lymphocytes could be clonally expanded in vitro and safely administered to all 16 patients without side-effects. In four out of nine stage IV patients, complete tumor regression occurred. Median survival time in the stage IV patients (n = 9) was 2.6 years, as compared with 0.8 years in conventionally treated controls. A dose-dependent effect with regards to reduced tumor burden and long-term survival was observed. CONCLUSION: Sentinel-node-based adoptive immunotherapy is feasible; the method has shown no apparent side-effects and appears to convey therapeutic antitumor effects. Further studies are justified to determine its efficacy and precise role in the treatment of colorectal cancer.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
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