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Equipoise is essential principle of human experimentation
| The first 150 words of the full text of this article appear below. |
EDITOR
We wish to join in the debate about the next revision of the
Declaration of Helsinki and to address some of the arguments put
forward by Rothman et al.1
We agree with Rothman and Michels that equipoise ("the uncertainty principle"2) is an essential ingredient of an ethical experiment and that the declaration should be amended to say so. We recently argued that extraordinary care should be given to understand and protect this fundamental principle, on which nearly the entire system of human experimentation stands.3
Baum writes of "tensions between conduct of a trial and the autonomy
of the individual."1 This involves the notion that patients who participate in trials are asked to make a sacrifice for
the good of others. This concern, however, is alleviated by explicitly
invoking equipoise as the principle on which randomised controlled
trials are based. The uncertainty principle states that a patient
should