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Issue 2, 2016
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Biosensors and nanobiosensors for therapeutic drug and response monitoring

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Therapeutic drug monitoring (TDM) is required for pharmaceutical drugs with dosage limitations or toxicity issues where patients undergoing treatment with these drugs require frequent monitoring. This allows for the concentration of such pharmaceutical drugs in a patient's biofluid to be closely monitored in order to assess the pharmacokinetics, which could result in an adjustment of dosage or in medical intervention if the situation becomes urgent. Biosensors are a class of analytical techniques competent in the rapid quantification of therapeutic drugs and recent developments in instrumental platforms and in sensing schemes, as well as the emergence of nanobiosensors, have greatly contributed to the principal examples of these sensors for therapeutic drug monitoring. Based on initial success stories, it is clear that (nano)biosensors could pave the way for therapeutic drug monitoring of many commonly administered drugs and for new drugs that will be introduced to the market allowing for safe and optimal dosing across a wide range of pharmaceuticals. In this review, we report on the recent developments in biosensing and nanobiosensing techniques and, focussing mainly on anti-cancer agents and antibiotics, we discuss the different classes of molecules upon which therapeutic drug monitoring has already been successfully applied. The potential contributions of (nano)biosensors are also reviewed for the emerging areas of therapeutic response monitoring, where markers are monitored to ensure compliance of a patient to a treatment and in the area of cellular response to therapeutic drugs in order to identify cytotoxic effects of drugs on cells or to identify patients responding to a drug.

Graphical abstract: Biosensors and nanobiosensors for therapeutic drug and response monitoring

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Supplementary files

Article information

09 Sep 2015
11 Nov 2015
First published
11 Nov 2015

Analyst, 2016,141, 429-449
Article type

Biosensors and nanobiosensors for therapeutic drug and response monitoring

K. S. McKeating, A. Aubé and J. Masson, Analyst, 2016, 141, 429
DOI: 10.1039/C5AN01861G

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