EXPANSION of our knowledge and understanding of the pathological physiology of human disease during the past four decades can be attributed, in large part, to the availability of precise scientific techniques for basic research. Despite major advances in the laboratory and the introduction of elegant and sophisticated technology for the recognition and diagnosis of disease, the application of sound scientific methods for the development of better treatment programs is uncommon. The introduction of new treatment programs into widespread practice has been based largely on empiricism. In the past, clinical experiments were frequently derived from "trial and error" experiences observed in small groups of patients, with little, if any, attention paid to experimental bias or statistical significance. Chalmers et al1 recently pointed out that clinical studies are seldom designed in a controlled fashion. The use of uncontrolled clinical studies to test new treatment modalities has frequently led to confusion, uncertainty,
Levin WC, Fink DJ, Porter FS, Hall TC, Loeb V. Cooperative Clinical Investigation: A Modality of Medical Science. JAMA. 1974;227(11):1295–1296. doi:10.1001/jama.1974.03230240053025
Customize your JAMA Network experience by selecting one or more topics from the list below.
Create a personal account or sign in to: