Evidence map›Paper›PMID 34136741›Full record

ArticleJCO precision oncology2021

Longitudinal Dynamics of Circulating Tumor Cells and Circulating Tumor DNA for Treatment Monitoring in Metastatic Breast Cancer.

Lorenzo Gerratana, Andrew A Davis, Qiang Zhang, Debora Basile, Giovanna Rossi, Kimberly Strickland, Alessandra Franzoni, Lorenzo Allegri, Zhaomei Mu, Youbin Zhang and 8 more

Open access · hybridAbstract read
In one paragraph

Article in JCO precision oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
3.1field-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.

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

26 citing papers in PubMed, 51 citations in OpenAlex.

  1. Article
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  8. The Combined Assessment of CTC andInternational journal of molecular sciences · 2025
    Article
  9. Article
  10. Review
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  13. Observational
  14. Article
  15. Circulating tumor cellsTranslational breast cancer research : a journal focusing on translational research in breast cancer · 2024
    Review
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  17. Article
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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

18 authors at 3 institutions in 3 countries.

Lorenzo GerratanaDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Andrew A DavisDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Qiang ZhangDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Debora BasileDepartment of Medicine, University of Udine, Udine, Italy.
Giovanna RossiDepartment of Medical Oncology, Thomas Jefferson University Hospital, Philadelphia, PA.
Kimberly StricklandDepartment of Medical Oncology, Thomas Jefferson University Hospital, Philadelphia, PA.
Alessandra FranzoniInstitute of Human Genetics, ASUFC University Hospital, Udine, Italy.
Lorenzo AllegriDepartment of Medicine, University of Udine, Udine, Italy.
Zhaomei MuDepartment of Medical Oncology, Thomas Jefferson University Hospital, Philadelphia, PA.
Youbin ZhangDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Lisa E FlaumDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Giuseppe DamanteDepartment of Medicine, University of Udine, Udine, Italy.
William John GradisharDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Leonidas C PlataniasDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Amir BehdadDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Hushan YangDepartment of Medical Oncology, Thomas Jefferson University Hospital, Philadelphia, PA.
Fabio PuglisiDepartment of Medicine, University of Udine, Udine, Italy.
Massimo CristofanilliDivision of Hematology and Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL.
Northwestern University · USThomas Jefferson University Hospital · USUniversity of Udine · IT

Funding

Northwestern University Clinical and Translational Science Institute (NUCATS)UL1TR001422 · NCATS · NORTHWESTERN UNIVERSITY AT CHICAGO · PI D'AQUILA, RICHARD · 2015 to 2023
$56.8M
A population-based approach to single CTC analysis in metastatic breast cancer outcomeR01CA207468 · NCI · THOMAS JEFFERSON UNIVERSITY · PI YANG, HUSHAN · 2017 to 2022
$2.7M
NCATS NIH HHS UL1 TR001422NCI NIH HHS R01 CA207468
6 · The paper itself

Abstract

Liquid biopsy-based biomarkers, including circulating tumor cells (CTCs) and circulating tumor DNA (ctDNA), are increasingly important for the characterization of metastatic breast cancer (MBC). The aim of the study was to explore CTCs and ctDNA dynamics to better understand their potentially complementary role in describing MBC.

methodsThe study retrospectively analyzed 107 patients with MBC characterized with paired CTCs and ctDNA assessments and a second prospective cohort, which enrolled 48 patients with MBC. CTCs were immunomagnetically isolated and ctDNA was quantified and then characterized through next-generation sequencing in the retrospective cohort and droplet digital polymerase chain reaction in the prospective cohort. Matched pairs variations at baseline, at evaluation one (EV1), and at progression were tested through the Wilcoxon test. The prognostic role of ctDNA parameters was also investigated.

resultsMutant allele frequency (MAF) had a significant decrease between baseline and EV1 and a significant increase between EV1 and progression. Number of detected alterations steadily increased across timepoints, CTCs enumeration (nCTCs) significantly increased only between EV1 and progression. MAF dynamics across the main altered genes was then investigated. Plasma DNA yield did not vary across timepoints both in the retrospective cohort and in the prospective cohort, while the short fragments fraction showed a potential role as a prognostic biomarker.

conclusionnCTCs and ctDNA provide complementary information about prognosis and treatment benefit. Although nCTCs appeared to assess tumor biology rather than tumor burden, MAF may be a promising biomarker for the dynamic assessment of treatment response and resistance.

Indexed as

Neoplastic Cells, CirculatingAdultAgedBreast NeoplasmsCirculating Tumor DNAFemaleHumansMiddle AgedProspective StudiesRetrospective StudiesCirculating Tumor DNA

Identifiers

PMID34136741
PMCPMC8202557
OpenAlexW3169532795

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

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.