Evidence map›Paper›PMID 35867773›Full record

ArticlePLoS computational biology2022

Simulations of tumor growth and response to immunotherapy by coupling a spatial agent-based model with a whole-patient quantitative systems pharmacology model.

Alvaro Ruiz-Martinez, Chang Gong, Hanwen Wang, Richard J Sové, Haoyang Mi, Holly Kimko, Aleksander S Popel

Abstract read
In one paragraph

Article in PLoS computational biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
–field-weighted citation impact
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

45 citing papers in PubMed.

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  16. Spatial Architecture of Single-Cell and Vasculature in Tumor Microenvironment Predicts Clinical Outcomes in Triple-Negative Breast Cancer.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2025
    Article
  17. Article
  18. Future Directions for Quantitative Systems Pharmacology.Handbook of experimental pharmacology · 2025
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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

7 authors.

Alvaro Ruiz-MartinezDepartment of Biomedical Engineering, Johns Hopkins, University School of Medicine, Baltimore, Maryland, United States of America.ORCID 0000-0001-9899-8558
Chang GongDepartment of Biomedical Engineering, Johns Hopkins, University School of Medicine, Baltimore, Maryland, United States of America.ORCID 0000-0002-1315-8638
Hanwen WangDepartment of Biomedical Engineering, Johns Hopkins, University School of Medicine, Baltimore, Maryland, United States of America.ORCID 0000-0001-5480-431X
Richard J SovéDepartment of Biomedical Engineering, Johns Hopkins, University School of Medicine, Baltimore, Maryland, United States of America.ORCID 0000-0003-1491-616X
Haoyang MiDepartment of Biomedical Engineering, Johns Hopkins, University School of Medicine, Baltimore, Maryland, United States of America.
Holly KimkoClinical Pharmacology & Quantitative Pharmacology, AstraZeneca, Gaithersburg, Maryland, United States of America.ORCID 0000-0003-1456-4862
Aleksander S PopelDepartment of Biomedical Engineering, Johns Hopkins, University School of Medicine, Baltimore, Maryland, United States of America.

Funding

Predictive experiment-based multiscale models of the tumor immune microenvironment and immunotherapy in breast cancerR01CA138264 · NCI · JOHNS HOPKINS UNIVERSITY · PI POPEL, ALEKSANDER S. · 2009 to 2023
$8.1M
Integrating bioinformatics into multiscale models for hepatocellular carcinomaU01CA212007 · NCI · JOHNS HOPKINS UNIVERSITY · PI EWALD, ANDREW JOSEF, FERTIG, ELANA · 2018 to 2022
$3.2M
NCI NIH HHS R01 CA138264NCI NIH HHS U01 CA212007
6 · The paper itself

Abstract

Quantitative systems pharmacology (QSP) models and spatial agent-based models (ABM) are powerful and efficient approaches for the analysis of biological systems and for clinical applications. Although QSP models are becoming essential in discovering predictive biomarkers and developing combination therapies through in silico virtual trials, they are inadequate to capture the spatial heterogeneity and randomness that characterize complex biological systems, and specifically the tumor microenvironment. Here, we extend our recently developed spatial QSP (spQSP) model to analyze tumor growth dynamics and its response to immunotherapy at different spatio-temporal scales. In the model, the tumor spatial dynamics is governed by the ABM, coupled to the QSP model, which includes the following compartments: central (blood system), tumor, tumor-draining lymph node, and peripheral (the rest of the organs and tissues). A dynamic recruitment of T cells and myeloid-derived suppressor cells (MDSC) from the QSP central compartment has been implemented as a function of the spatial distribution of cancer cells. The proposed QSP-ABM coupling methodology enables the spQSP model to perform as a coarse-grained model at the whole-tumor scale and as an agent-based model at the regions of interest (ROIs) scale. Thus, we exploit the spQSP model potential to characterize tumor growth, identify T cell hotspots, and perform qualitative and quantitative descriptions of cell density profiles at the invasive front of the tumor. Additionally, we analyze the effects of immunotherapy at both whole-tumor and ROI scales under different tumor growth and immune response conditions. A digital pathology computational analysis of triple-negative breast cancer specimens is used as a guide for modeling the immuno-architecture of the invasive front.

Indexed as

NeoplasmsPharmacologyCombined Modality TherapyHumansImmunotherapyModels, BiologicalNetwork PharmacologyTumor Microenvironment

Identifiers

PMID35867773
PMCPMC9348712

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Registered trials

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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.