Evidence map›Paper›PMID 33177177›Full record

ArticleJournal for immunotherapy of cancer2020

Long-term survival of patients with stage III colon cancer treated with VRP-CEA(6D), an alphavirus vector that increases the CD8+ effector memory T cell to Treg ratio.

Erika J Crosby, Amy C Hobeika, Donna Niedzwiecki, Christel Rushing, David Hsu, Peter Berglund, Jonathan Smith, Takuya Osada, William R Gwin Iii, Zachary C Hartman and 2 more

Open access · goldAbstract read
In one paragraph

Article in Journal for immunotherapy of cancer, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
2.3field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

37 citing papers in PubMed, 51 citations in OpenAlex.

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  17. CEA vaccines.Human vaccines & immunotherapeutics · 2023
    Review
  18. mRNA: A promising platform for cancer immunotherapy.Advanced drug delivery reviews · 2023
    Review
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 4 institutions in 1 country.

Erika J CrosbySurgery, Duke University School of Medicine, Durham, North Carolina, USA.ORCID 0000-0002-4872-6711
Amy C HobeikaSurgery, Duke University School of Medicine, Durham, North Carolina, USA.
Donna NiedzwieckiBiostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA.
Christel RushingBiostatistics, Duke Cancer Institute, Durham, North Carolina, USA.
David HsuMedicine, Duke University School of Medicine, Durham, North Carolina, USA.
Peter BerglundHDT Bio Corp, Seattle, Washington, USA.
Jonathan SmithVLP Therapeutics, Gaithersburg, Maryland, USA.
Takuya OsadaSurgery, Duke University School of Medicine, Durham, North Carolina, USA.
William R Gwin IiiMedicine, University of Washington, Seattle, Washington, USA.
Zachary C HartmanSurgery, Duke University School of Medicine, Durham, North Carolina, USA.ORCID 0000-0001-6549-8207
Michael A MorseSurgery, Duke University School of Medicine, Durham, North Carolina, USA.
Herbert Kim LyerlySurgery, Duke University School of Medicine, Durham, North Carolina, USA kim.lyerly@duke.edu.ORCID 0000-0002-0063-4770
Duke University · USDuke Cancer InstituteUniversity of Washington · USVLP Therapeutics (United States) · US

Funding

Virology Research Program (Program 4)P30CA016086 · NCI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI David Darr · 1985 to 2026
$201.5M
Women's Cancer Research ProgramP30CA014236 · NCI · DUKE UNIVERSITY · PI JOHN N. NORTON · 1985 to 2026
$174.8M
RNA TRASFECTED DENDRITIC CELLS FOR CANCER IMMUNOTHERAPYP01CA078673 · NCI · DUKE UNIVERSITY · PI LYERLY, HERBERT KIM · 1999 to 2008
$13.2M
NCI NIH HHS P01 CA078673NCI NIH HHS P30 CA014236NCI NIH HHS P30 CA016086
6 · The paper itself

Abstract

backgroundThere remains a significant need to eliminate the risk of recurrence of resected cancers. Cancer vaccines are well tolerated and activate tumor-specific immune effectors and lead to long-term survival in some patients. We hypothesized that vaccination with alphaviral replicon particles encoding tumor associated antigens would generate clinically significant antitumor immunity to enable prolonged overall survival (OS) in patients with both metastatic and resected cancer.

methodsOS was monitored for patients with stage IV cancer treated in a phase I study of virus-like replicon particle (VRP)-carcinoembryonic antigen (CEA), an alphaviral replicon particle encoding a modified CEA. An expansion cohort of patients (n=12) with resected stage III colorectal cancer who had completed their standard postoperative adjuvant chemotherapy was administered VRP-CEA every 3 weeks for a total of 4 immunizations. OS and relapse-free survival (RFS) were determined, as well as preimmunization and postimmunization cellular and humoral immunity.

resultsAmong the patients with stage IV cancer, median follow-up was 10.9 years and 5-year survival was 17%, (95% CI 6% to 33%). Among the patients with stage III cancer, the 5-year RFS was 75%, (95%CI 40% to 91%); no deaths were observed. At a median follow-up of 5.8 years (range: 3.9-7.0 years) all patients were still alive. All patients demonstrated CEA-specific humoral immunity. Patients with stage III cancer had an increase in CD8 +T

conclusionsVRP-CEA induces antigen-specific effector T cells while decreasing Tregs, suggesting favorable immune modulation. Long-term survivors were identified in both cohorts, suggesting the OS may be prolonged.

Indexed as

CD8-Positive T-LymphocytesColonic NeoplasmsFemaleHumansImmunologic MemoryMaleNeoplasm StagingSurvival AnalysisT-Lymphocytes, Regulatoryadaptive immunityCD4-CD8 Ratioclinical trials as topicimmunotherapyvaccination

Identifiers

PMID33177177
PMCPMC7661359
OpenAlexW3102157031

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.