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Therapeutic drug monitoring (TDM) is a branch of clinical chemistry and clinical pharmacology that specializes in the measurement of medication levels in blood. Its main focus is on drugs with a narrow therapeutic range, i.e. drugs that can easily be under- or overdosed. [ 1 ] TDM aimed at improving patient care by individually adjusting the ...
Trough level. In medicine and pharmacology, a trough level or trough concentration (Ctrough) is the concentration reached by a drug immediately before the next dose is administered, [1][2] often used in therapeutic drug monitoring. The name comes from the idea that on a graph of concentration versus time, the line forms a U-shaped trough at the ...
The therapeutic index (TI; also referred to as therapeutic ratio) is a quantitative measurement of the relative safety of a drug with regard to risk of overdose. It is a comparison of the amount of a therapeutic agent that causes toxicity to the amount that causes the therapeutic effect. [1] The related terms therapeutic window or safety window ...
Dose optimization is achieved by therapeutic drug monitoring (TDM), which allows measurement of vancomycin levels in the blood. TDM using area under the curve (AUC)-guided dosing, preferably with Bayesian forecasting, is recommended to ensure that the AUC0-24h/minimal inhibitory concentration (MIC) ratio is maintained above a certain threshold ...
The risk of perhexiline toxicity is reduced by therapeutic drug monitoring (TDM). [12] The simplest way to rectify the problem of perhexiline toxicity is to stop administering the drug and allowing the plasma concentration to fall; [9] once the concentration has reached the desired level resume the treatment at a lower dose. Most PMs should ...
[citation needed] Therapeutic drug monitoring (TDM) is necessary to obtain the correct dose. These agents exhibit a post-antibiotic effect in which there is no or very little drug level detectable in blood, but there still seems to be inhibition of bacterial re-growth. This is due to strong, irreversible binding to the ribosome, and remains ...
A companion diagnostic (CDx) [1] is a diagnostic test used as a companion to a therapeutic drug to determine its applicability to a specific person. [2]Companion diagnostics are co-developed with drugs to aid in selecting or excluding patient groups for treatment with that particular drug based on their biological characteristics that determine responders and non-responders to the therapy.
Glycopeptide antibiotics are a class of drugs of microbial origin that are composed of glycosylated cyclic or polycyclic nonribosomal peptides. Significant glycopeptide antibiotics include the anti-infective antibiotics vancomycin, teicoplanin, telavancin, ramoplanin and decaplanin, corbomycin, complestatin and the antitumor antibiotic bleomycin.