Evidence map›Paper›PMID 23162748›Full record

ArticleOncoimmunology2012

Understanding key assay parameters that affect measurements of trastuzumab-mediated ADCC against Her2 positive breast cancer cells.

Timothy Kute, John R Stehle, David Ornelles, Natalie Walker, Osvaldo Delbono, James P Vaughn

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Oncoimmunology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03571633 (A Multicenter, Randomized, Open-label, Phase II Trial Aiming to Evaluate the Impact of Pegfilgrastim on Trastuzumab Anti-tumor Effect and ADCC in Operable HER2 Positive Breast Cancer Patients), which is not on this map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
4.0field-weighted citation impact, top 7% 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.

NCT03571633 phase2active not recruitingnot on this mapstarted 2018, after this paper: background citation

A Multicenter, Randomized, Open-label, Phase II Trial Aiming to Evaluate the Impact of Pegfilgrastim on Trastuzumab Anti-tumor Effect and ADCC in Operable HER2 Positive Breast Cancer Patients

TypeinterventionalSponsorCentre Leon BerardRan2018 to 2027Enrolled90ConditionsHER2-positive Breast Cancer, Operable Breast CancerArmsTrastuzumab + Paclitaxel, Pegfilgrastim
3 · Its place in the literature

Who cites it

41 citing papers in PubMed, 71 citations in OpenAlex.

  1. Trial
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  3. Effects of HER Family-targeting Tyrosine Kinase Inhibitors on Antibody-dependent Cell-mediated Cytotoxicity in HER2-expressing Breast Cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2021
    Trial
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  5. Review
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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

6 authors at 4 institutions in 3 countries.

Timothy KutePathology; Wake Forest University School of Medicine; Winston-Salem, NC USA.
John R Stehle
David Ornelles
Natalie Walker
Osvaldo Delbono
James P Vaughn
Wake Forest University · USAtrium Health Wake Forest Baptist · USBipar · FRWinston-Salem State University · US

Funding

Translational Training in Aging and Alzheimer’s Disease Related DisordersT32AG033534 · NIA · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI STEPHEN B. KRITCHEVSKY · 2009 to 2026
$3.6M
NIA NIH HHS T32 AG033534
6 · The paper itself

Abstract

Use of the antibody trastuzumab to kill HER2+ breast cancer cells is an attractive therapy because of its specificity and minimal adverse effects. However, a large fraction of HER2+ positive patients are or will become resistant to this treatment. No other markers are used to determine sensitivity to trastuzumab other than HER2 status.Using the xCELLigence platform and flow cytometry, we have compared the ability of mononuclear cells (MNCs) from normal and breast cancer patients to kill different breast cancer cell lines in the presence (i.e., ADCC) or absence of trastuzumab. Image analysis and cell separation procedures were used to determine the differential contribution of immune cell subsets to ADCC activity. The assay demonstrated that ADCC activity is dependent on the presence of trastuzumab, the level of HER2 expression on the target, and the ratio of MNCs to tumor cells. There is a wide range of ADCC activity among normal individuals and breast cancer patients for high and low HER2-expressing tumor targets. Fresh MNCs display higher ADCC levels compared with cryopreserved cells. Natural killer cells display the highest ADCC followed by monocytes. T cells and B cells were ineffective in killing. A major mechanism of killing of tumor cells involves insertion of granzyme B and caspase enzymes via the antibody attached MNCs.

Identifiers

PMID23162748
PMCPMC3489736
OpenAlexW2011999389

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

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.