To the Editor: Dr Mathieu and colleagues1 compared registered and published primary outcomes in randomized trials. Journals were classified as “requiring trial registration for publication” or “with no information about registration.”
As editors of Arthritis & Rheumatism/Arthritis Care & Research (A&R/AC&R; the journals share a title), we were surprised that A&R/AC&R was included among those journals providing no information about registration of clinical trials. Our journals published a policy on registration of clinical trials in August 2005.2 The “instructions to contributors” section on our Web site3 includes the following instruction: “Clinical research studies must be registered with the appropriate national body.” Furthermore, authors submitting manuscripts are required to reply to a checkbox indicating whether the manuscript falls under the clinical trials registration guidelines, and if so, the authors must indicate the registration number. To the best of our knowledge, all manuscripts received after the deadline we set for compliance (January 1, 2007) and subsequently published have fulfilled the registration requirements.
Because the total number of articles from rheumatology journals correctly categorized as requiring trial registration in the study by Mathieu et al was 31, and A&R/AC&R published an additional 31 articles that the authors may have incorrectly categorized, their conclusions regarding the percentage of trials “adequately registered,” at least for rheumatology, may be seriously underestimated.
Financial Disclosures: Drs Lockshin, Katz, and Yelin reported receiving compensation for their editorships. No other disclosures were reported.
Additional Information: Dr Lockshin is editor of Arthritis & Rheumatism, and Drs Katz and Yelin are editors of Arthritis Care & Research.
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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