phase III trial

phase III trial
A study to compare the results of people taking a new treatment with the results of people taking the standard treatment (for example, which group has better survival rates or fewer side effects). In most cases, studies move into phase III only after a treatment seems to work in phases I and II. Phase III trials may include hundreds of people.

English dictionary of cancer terms . 2015.

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  • phase III trial — a clinical trial that uses a large sample of patients and is designed to compare the overall course of their disorder under the new treatment with its course untreated and treated with standard therapies previously used; studies are also done on… …   Medical dictionary

  • phase IV trial — After a treatment has been approved and is being marketed, it is studied in a phase IV trial to evaluate side effects that were not apparent in the phase III trial. Thousands of people are involved in a phase IV trial …   English dictionary of cancer terms

  • phase III — noun a large clinical trial of a treatment or drug that in phase I and phase II has been shown to be efficacious with tolerable side effects; after successful conclusion of these clinical trials it will receive formal approval from the FDA • Syn …   Useful english dictionary

  • phase III clinical trial — noun a large clinical trial of a treatment or drug that in phase I and phase II has been shown to be efficacious with tolerable side effects; after successful conclusion of these clinical trials it will receive formal approval from the FDA • Syn …   Useful english dictionary

  • phase II/III trial — A trial to study response to a new treatment and the effectiveness of the treatment compared with the standard treatment regimen …   English dictionary of cancer terms

  • trial — A test or experiment, usually conducted under specific conditions. clinical t. a controlled experiment involving a defined set of human subjects, having a clinical event as an outcome measure, and intended to yield scientifically valid… …   Medical dictionary

  • Clinical trial — Clinical trials are a set of procedures in medical research and drug development that are conducted to allow safety (or more specifically, information about adverse drug reactions and adverse effects of other treatments) and efficacy data to be… …   Wikipedia

  • Clinical trial management — A clinical trial is the application of the scientific method to human health. Since such trials require the use of human test subjects and can severely impact the well being of the subjects, as well as treatments of other people and large amounts …   Wikipedia

  • clinical trial — noun a rigorously controlled test of a new drug or a new invasive medical device on human subjects; in the United States it is conducted under the direction of the FDA before being made available for general clinical use • Syn: ↑clinical test •… …   Useful english dictionary

  • Randomized controlled trial — Flowchart of four phases (enrollment, intervention allocation, follow up, and data analysis) of a parallel randomized trial of two groups, modified from the CONSORT (Consolidated Standards of Reporting Trials) 2010 Statement[1] …   Wikipedia

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