Cited by 119HER2/EGFR in Cancer ResearchMonoclonal and Polyclonal Antibodies ResearchMathematical Biology Tumor Growth

Modeling the efficacy of trastuzumab-DM1, an antibody drug conjugate, in mice

Jumbe, Nelson L., Xin, Yan, Leipold, Douglas D., Crocker, Lisa, Dugger, Debra, Mai, Elaine, Sliwkowski, Mark X., Fielder, Paul J. +1 more·2010·Journal of Pharmacokinetics and Pharmacodynamics

Abstract

Trastuzumab-DM1 (T-DM1) is a novel antibody-drug conjugate under investigation for the treatment of human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer. One challenge in oncologic drug development is determining the optimal dose and treatment schedule. A novel dose regimen-finding strategy was developed for T-DM1 using experimental data and pharmacokinetic/pharmacodynamic modeling. To characterize the disposition of T-DM1, pharmacokinetic studies were conducted in athymic nude and beige nude mice. The pharmacokinetics of T-DM1 were described well by a two-compartment model. Tumor response data were obtained from single-dose, multiple-dose and time-dose-fractionation studies of T-DM1 in animal models of HER2-positive breast cancer, specifically engineered to be insensitive to trastuzumab. A sequential population-based pharmacokinetic/pharmacodynamic modeling approach was developed to describe the anti-tumor activity of T-DM1. A cell-cycle-phase nonspecific tumor cell kill model incorporating transit compartments captured well the features of tumor growth and the activity of T-DM1. Key findings of the model were that tumor cell growth rate played a significant role in the sensitivity of tumors to T-DM1; anti-tumor activity was schedule independent; and tumor response was linked to the ratio of exposure to a concentration required for tumor stasis.

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Crossref · 10.1007/s10928-010-9156-2

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35 of 35 references verified0 citation errors · 0 not checkable

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  • Jumbe et al. developed a population-based semi-mechanistic PK/PD model to describe T-DM1 antitumor activity by consolidating the exposure-effect relationship determined across multiple animal models.

    “The authors developed a population‐based semi‐mechanistic PK/PD model to describe the T‐DM1 antitumor activity by consolidating the exposure–effect relationship determined across multiple animal models.”
  • The treatment regimen, targeted exposure parameters, and tumoristatic concentration for T-DM1 were derived from the model to support early clinical trial design.

    “Subsequently, the treatment regimen, targeted exposure parameters (AUC, Cmax, or time above minimal concentration threshold), and tumoristatic concentration were derived from the model to support early clinical trial design.”

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Authors
Jumbe, N. L., Xin, Y., Leipold, D. D., Crocker, L., Dugger, D., Mai, E., Sliwkowski, M. X., Fielder, P. J., & Tibbitts, J.
Affiliations
Genentech (US)
Corresponding author
Tibbitts, Jay
Venue
Journal of Pharmacokinetics and Pharmacodynamics
Published
2010-04-28
Volume
37
Issue
3
Pages
221-242
ISSN
  • 1567-567X (ISSN-L)
  • 1573-8744
OpenAlex
W1987301058
Cited by
119
References
35
Citations by year
2026: 4 · 2025: 2 · 2024: 5 · 2023: 5 · 2022: 8 · 2021: 6 · 2020: 9 · 2019: 5 · 2018: 9 · 2017: 9 · 2016: 17 · 2015: 10 · 2014: 9 · 2013: 11 · 2012: 5
FWCI
3.30
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Pharmacokinetics and Pharmacodynamics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Physical Sciences › Mathematics › Modeling and Simulation › Mathematical Biology Tumor Growth
Keywords
antibody-drug conjugates, HER2-positive breast cancer, pharmacokinetic-pharmacodynamic modeling, dosing regimen optimization, tumor growth modeling, tumor growth rate, time-dose-fractionation, mouse pharmacokinetics
MeSH terms
Trastuzumab, Ado-Trastuzumab Emtansine, Animals, Antibodies, Monoclonal, Immunotoxins, Antineoplastic Agents, Dose-Response Relationship, Drug, Drug Administration Schedule, Female, Humans, Maytansine, Mice, Nude, Models, Biological, Neoplasms, Time Factors, Xenograft Model Antitumor Assays, Cell Line, Tumor, Mice, Antibodies, Monoclonal, Humanized

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