A dose-ranging study is a
clinical trial where different doses of an
agent (e.g. a
drug) are tested against each other to establish which dose works best and/or is least harmful.Dose-ranging is usually a phase I or early phase II clinical trial. Typically a dose ranging study will include a
placebo group of subjects, and a few groups that receive different doses of the test drug. For instance, a typical rose ranging study may include four groups: a placebo group, low-dose group, medium-dose group and a high-dose group. The maximum tolerable dose (MTD) information is necessary to be able to design such groups and therefore dose-ranging studies are usually designed after the availability of MTD information.
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a clinical trial in which different doses of a drug are compared to determine which dosage has the best balance of high efficacy and low toxicity.
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