Cited by 120Cancer Immunotherapy and BiomarkersMonoclonal and Polyclonal Antibodies ResearchStatistical Methods in Clinical Trials

Translational Pharmacokinetic/Pharmacodynamic Modeling of Tumor Growth Inhibition Supports Dose-Range Selection of the Anti-PD-1 Antibody Pembrolizumab

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Lindauer, A, Valiathan, CR, Mehta, K, Sriram, V, de Greef, R, Elassaiss-Schaap, J, de Alwis, DP·2017·CPT: Pharmacometrics & Systems Pharmacology

Abstract

Pembrolizumab, a humanized monoclonal antibody against programmed death 1 (PD-1), has a manageable safety profile and robust clinical activity against advanced malignancies. The lowest effective dose for evaluation in further dose-ranging studies was identified by developing a translational model from preclinical mouse experiments. A compartmental pharmacokinetic model was combined with a published physiologically based tissue compartment, linked to receptor occupancy as the driver of observed tumor growth inhibition. Human simulations were performed using clinical pharmacokinetic data, literature values, and in vitro parameters for drug distribution and binding. Biological and mathematical uncertainties were included in simulations to generate expectations for dose response. The results demonstrated a minimal increase in efficacy for doses higher than 2 mg/kg. The findings of the translational model were successfully applied to select 2 mg/kg as the lowest dose for dose-ranging evaluations.

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  • Lindauer et al. utilized physiologically based PK and systems pharmacology approaches combining in vitro binding data, mechanistic tumor growth inhibition models, and drug exposure-time-to-event relationships to successfully identify the lowest effective dose for pembrolizumab.

    “Lindauer et al. utilized physiologically based PK and systems pharmacology approaches combining in vitro binding data, mechanistic tumor growth inhibition models, and drug exposure‐time‐to‐event relationships to successfully identify the lowest effective dose for evaluation.82”

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  1. [15]Chiu, J. & Ouellet, D. Exposure‐response analysis of the effect of trametinib, a MEK inhibitor, on tumor size in patients with V600 BRAF mutation positive melanoma. J. Pharmacokinet. Pharmacodyn. 40, S115 (2013).
  2. [25]Chatterjee, M.S., Turner, D.C., Dong, D., Ahamadi, M., De Alwis, D.P. & Kondic, A. Model‐based analysis of the relationship between pembrolizumab exposure and response in melanoma. 6th American Conference on Pharmacometrics October 3–9; Arlington, VA; 2015.

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Authors
Lindauer, A., Valiathan, C., Mehta, K., Sriram, V, de Greef, R., Elassaiss-Schaap, J., & de Alwis, D.
Affiliations
  • Merck & Co., Inc., Rahway, NJ, USA (United States) (US)
  • Merck & Co., Inc.; Rahway New Jersey USA
Venue
CPT: Pharmacometrics & Systems Pharmacology
Publisher
Wiley
Published
2016-11-08
Volume
6
Issue
1
Pages
11-20
ISSN
2163-8306 (ISSN-L)
OpenAlex
W2554268745
Cited by
120
References
26
Citations by year
2026: 8 · 2025: 6 · 2024: 18 · 2023: 5 · 2022: 20 · 2021: 11 · 2020: 14 · 2019: 16 · 2018: 11 · 2017: 7 · 2016: 3 · 2014: 1
FWCI
6.64
Type
journal article
Language
en
Open access
Locations
  • CPT Pharmacometrics & Systems Pharmacology (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
Gilead Sciences
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Clinical Trials
Keywords
pembrolizumab, PD-1 inhibitors, tumor growth inhibition, dose-ranging, receptor occupancy, compartmental pharmacokinetic model, monoclonal antibodies, cancer immunotherapy, dose-response relationship
MeSH terms
Animals, Antibodies, Monoclonal, Dose-Response Relationship, Drug, Humans, Mice, Inbred C57BL, Models, Biological, Tumor Burden, Mice, Rats, Translational Research, Biomedical, Programmed Cell Death 1 Receptor, Antibodies, Monoclonal, Humanized

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