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Updated: Feb 6, 2026

Clinical Microfluidic Chip Platform for the Isolation of Versatile Circulating Tumor Cells
Published on: October 13, 2023
Applications of tumor chip technology
Stephanie J Hachey1, Christopher C W Hughes
1Department of Molecular Biology & Biochemistry, University of California, Irvine, CA 92697, USA. shachey@uci.edu.
Abstract:
Over the past six decades the inflation-adjusted cost to bring a new drug to market has been increasing constantly and doubles every 9 years - now reaching in excess of $2.5 billion. Overall, the likelihood of FDA approval for a drug (any disease indication) that has entered phase I clinical trials is a mere 9.6%, with the approval rate for oncology far below average at only 5.1%. Lack of efficacy or toxicity is often not revealed until the later stages of clinical trials, despite promising preclinical data. This indicates that the current in vitro systems for drug screening need to be improved for better predictability of in vivo outcomes. Microphysiological systems (MPS), or bioengineered 3D microfluidic tissue and organ constructs that mimic physiological and pathological processes in vitro, can be leveraged across preclinical research and clinical trial stages to transform drug development and clinical management for a range of diseases. Here we review the current state-of-the-art in 3D tissue-engineering models developed for cancer research, with a focus on tumor-on-a-chip, or tumor chip, models. From our viewpoint, tumor chip systems can advance innovative medicine to ameliorate the high failure rates in anti-cancer drug development and clinical treatment.
Insights
Microphysiological systems (MPS) improve drug development by mimicking human physiology. Tumor chip models show promise for increasing anti-cancer drug success rates and reducing clinical trial failures.
Area of Science:
- Biotechnology
- Drug Discovery
- Oncology Research
Background:
- The cost of new drug development has escalated, exceeding $2.5 billion.
- FDA approval rates for drugs entering Phase I trials are low (9.6%), particularly for oncology (5.1%).
- Current in vitro drug screening models lack predictability for in vivo outcomes, leading to late-stage failures.
Purpose of the Study:
- To review the state-of-the-art in 3D tissue-engineered models for cancer research.
- To focus on the application of tumor-on-a-chip (tumor chip) models in preclinical drug development.
- To highlight the potential of tumor chip systems to improve anti-cancer drug development and clinical treatment.
Main Methods:
- Review of current 3D tissue-engineering models for cancer research.
- Focus on microphysiological systems (MPS) and tumor chip technologies.
- Analysis of the predictive capabilities of these models for in vivo outcomes.
Main Results:
- Microphysiological systems (MPS) offer a more predictive in vitro environment.
- Tumor chip models effectively mimic physiological and pathological cancer processes.
- These advanced models can potentially identify efficacy and toxicity earlier in the drug development pipeline.
Conclusions:
- Tumor chip systems represent a significant advancement in cancer research and drug development.
- Implementing these models can help mitigate the high failure rates in anti-cancer drug discovery.
- Microphysiological systems hold the potential to transform preclinical research and clinical management for cancer therapies.
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