Please give insight on what information can be learned about the toxicity of a chemical from the dose-response curve.
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The US Food and Drug administration uses safety and efficacy as the two most important criteria to evaluate any drug. A drug can be highly effective but also unsafe. A drug response curve is a technique to evaluate the relationship between its dose and its desired clinical response or toxicity so that its safe and effective use can be determined . Generally, the biological response increases along with increasing concentration of the drug until it reaches a plateau . Examples of a response include enzyme activity, change in heart rate or contraction of a muscle . This plot of the dose-response curve includes concentration of the drug on the x-axis and response on the y-axis. The shape of this curve can be described as rectangular-hyperbola . It is more common to plot the log of concentrations to include a large range for the dose. On this semi-logarithmic plot, the curve becomes sigmoidal . Uses of a dose-response curve include estimating the starting dose, establishing the maximum dose beyond which there is no additional benefit and establishing the therapeutic range.
An example of the use of dose response curves is its usefulness in determining the potency and effectiveness of the drug's interaction with a ...
The expert examines information about toxicity of a chemical from the dose-response curve.
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