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Anja M. Palmowski-Wolfe, MD

	Since this article does not have an abstract, we have provided the first 144 words of the full text and any section headings.

It is with great interest that I read the editorial by Levin et al¹ on the registration of clinical trials in the September 2005 issue of the Archives.

It is not quite clear to me how registering studies will improve ethics—unless there is a controlling agency that makes sure the results of each study will be submitted and then also accepted for publication (so far, negative results are much less likely to be accepted for publication by reviewers).

Another concern that I am sure Levin and colleagues will have thought about involves intellectual property. Once a study design is published, how do you prevent others from doing the same or a similar study that may then get published first?

AUTHOR INFORMATION
Correspondence: Dr Palmowski-Wolfe, University Eye Hospital Basel, Mittlere Strasse Basel, Basel 4012, Switzerland (palmowskia@uhbs.ch).

Financial Disclosure: None reported.

1. Levin LA, Gottlieb JL, Beck RW; et al. Registration of clinical trials. Arch Ophthalmol. 2005;123:1263-1264. FREE FULL TEXT

Arch Ophthalmol. 2007;125(6):853.

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Regarding Registration of Clinical Trials—Reply
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Registration of Clinical Trials
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