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BMJ 2007;335:624-625 (29 September), doi:10.1136/bmj.39339.610000.BE
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The Declaration of Helsinki is a respected institution and one of the most influential documents in research ethics,1w1-w7 having withstood five revisions and two clarifications since its conception in 1964. Its guardian, the World Medical Association, recently invited submissions for further revision.2
The history of the declaration has been well documented.3 4 5 The Nuremberg Code (1947) was one of the first statements of the ethical principles involved in human experimentation.w8 However, because of its association with Nazi war crimes it had relatively little effect on practice.w9 The Declaration of Helsinki dealt with clinical research more directly, but was portrayed as a weakening of the stringent protections of Nuremberg. Nevertheless, for a quarter of a century only minor changes were made and it became engrained in the international culture of research ethics.
In 1996, the declaration added a reference to placebos in response to concerns about trials in perinatal HIV transmission in
Michael D E Goodyear, assistant professor of medicine1, Karmela Krleza-Jeric, clinical research officer2, Trudo Lemmens, associate professor, faculties of law and medicine3
1 Dalhousie University, Halifax, Nova Scotia, Canada B3H 2Y9, 2 Canadian Institutes of Health Research, Ottawa, Ontario, Canada K1A 0W9 , 3 University of Toronto, Toronto, Ontario, Canada M5S 2C5
mgoodyear@dal.ca
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