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Adv Drug Deliv Rev. 2011 Jun 19;63(7):503-10. doi: 10.1016/j.addr.2011.01.002. Epub 2011 Jan 18.

Ethical, legal, and social implications (ELSI) of microdose clinical trials.

Author information

1
Molecular Imaging Center, National Institute of Radiological Sciences, Anagawa 4-9-1, Inage, Chiba 263-8555 Japan. chieko.kurihara@nifty.ne.jp

Abstract

A "microdose clinical trial" (microdosing) is one kind of early phase exploratory clinical trial, administering the compound at doses estimated to have no pharmacological or toxicological effects, aimed at screening candidates for further clinical development. This article's objective is to clarify the ethical, legal, and social implications (ELSI) of such an exploratory minimum-risk human trial. The definition and non-clinical study requirements for microdosing have been harmonized among the European Union (EU), United States (US), and Japan. Being conducted according to these regulations, microdosing seems to be ethically well justified in terms of respect for persons, beneficence, justice, human dignity, and animal welfare. Three big projects have been demonstrating the predictability of therapeutic dose pharmacokinetics from microdosing. The article offers suggestions as how microdosing can become a more useful and socially accepted strategy.

PMID:
21251940
DOI:
10.1016/j.addr.2011.01.002
[Indexed for MEDLINE]

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