Cited by 26Immunotherapy and Immune ResponsesCancer Immunotherapy and BiomarkersBacterial Cancer Therapy

The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.

A pilot safety trial investigating a vector-based vaccine targeting carcinoembryonic antigen in combination with radiotherapy in patients with gastrointestinal malignancies metastatic to the liver

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Abstract

OBJECTIVE: Previous studies have demonstrated the ability of non-lethal doses of radiation to alter the phenotype of tumor cells to facilitate immune mediated killing. This pilot study evaluated the tolerability of a vector-based vaccine targeting carcinoembryonic antigen (CEA) in combination with radiation therapy in patients with gastrointestinal malignancies metastatic to the liver. METHODS: Patients enrolled had progressive CEA(+) tumors with metastatic liver lesions. Patients had received a median of three previous chemotherapy regimens, with a median of 2 months since their last chemotherapy regimen. Only 58% had metastatic disease limited to the liver. Vaccination commenced day 1 with biweekly boosters and split-course radiation (total 32 Gy) starting on day 21. Blood was collected at baseline and day 91 for immunological analysis. RESULTS/CONCLUSION: A total of 12 patients were enrolled. There were no grade 3 or greater toxicities or grade 2 or greater hepatic toxicities. Median time on-study was 3 months, with the longest time on treatment being 5 months (n = 2). Immunological analysis was limited to two patients; neither showed an increase above baseline in CEA-specific T cells post-therapy. CEA/TRICOM vaccination in combination with low-dose radiation therapy is safe. There was limited evidence of activity in this patient population.

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Research works printed but not linked: 12

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Metadata

Authors
Gulley, J. L., Madan, R. A., Tsang, K.-Y., Arlen, P. M., Camphausen, K., Mohebtash, M., Kamrava, M., Schlom, J., & Citrin, D.
Affiliations
National Institutes of Health (US)
Venue
Expert Opinion on Biological Therapy
Published
2011-08-28
Volume
11
Issue
11
Pages
1409-1418
ISSN
  • 1471-2598 (ISSN-L)
  • 1744-7682
OpenAlex
W2088478240
Cited by
26
References
52
Citations by year
2026: 1 · 2024: 1 · 2023: 1 · 2021: 1 · 2019: 3 · 2018: 2 · 2017: 1 · 2016: 2 · 2015: 5 · 2014: 2 · 2013: 4 · 2012: 3
FWCI
1.28
Type
journal article
Language
en
Open access
Locations
  • Expert Opinion on Biological Therapy (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Cancer Institute (Z01BC010945)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Bacterial Cancer Therapy
Keywords
carcinoembryonic antigen, vector vaccines, low-dose radiotherapy, immunotherapy, gastrointestinal cancer, liver metastasis, vaccine safety, tumor immunology
MeSH terms
Adult, Aged, Carcinoembryonic Antigen, Colonic Neoplasms, Fowlpox virus, Genetic Vectors, Humans, Liver Neoplasms, Male, Middle Aged, Pilot Projects, Radiation Dosage, Rectal Neoplasms, Time Factors, United States, Vaccines, Synthetic, Treatment Outcome, Radiotherapy, Adjuvant, Cancer Vaccines, Radiotherapy, Conformal, National Cancer Institute (U.S.)

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