Pharmacoeconomics and Quality of Life Research Beyond the Randomized Clinical Trial

Published in: Quality of Life and Pharmacoeconomics in Clinical Trials, 2d Ed. Edited by B. Spilker (Philadelphia: Lippincott-Raven Publishers, 1996), Chapter 18, p. 155-159

Posted on RAND.org on December 31, 1995

by Ron D. Hays, Cathy D. Sherbourne, Samuel A. Bozzette

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Randomized clinical trials (RCTs) yield essential information about potential therapeutic interventions when the optimal treatment for a condition is unknown. They provide a basis for a causal inference about the effects of medication on quality of life by virtue of their experimental design. The authors discuss the various ways that the emphasis of effectiveness research studies, which observes what takes place under existing circumstances, differ from that of a typical RCT, with particular focus on selection of participants, assessment of study variables, and analyses of outcomes data.

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