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Editorial
. 2007 Apr 14;334(7597):756-7.
doi: 10.1136/bmj.39176.461227.80.

Composite and surrogate outcomes in randomised controlled trials

Editorial

Composite and surrogate outcomes in randomised controlled trials

Nick Freemantle et al. BMJ. .

Abstract

Composite end points may mislead—and regulators allow it to happen

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Conflict of interest statement

Competing interests: NF has received funding for research, consultation fees, and travel expenses from several companies that manufacture treatments for diabetes and cardiovascular disease. MC has also received funding for research and travel expenses from several such companies.

Comment on

References

    1. Ferreira-González I, Busse JW, Heels-Ansdell D, Montori VM, Akl EA, Bryant DM, et al. Problems with use of composite end points in cardiovascular trials: systematic review of randomised controlled trials. BMJ 2007. doi: 10.1136/bmj.39136.682083.AE - DOI - PMC - PubMed
    1. Moyé LA. End-point interpretation in clinical trials: the case for discipline. Control Clin Trials 1999;20:40-9. - PubMed
    1. Khan SE, Haffner SM, Heise MA, Herman WH, Holman RR, Jones NP, et al. Glycemic durability of rosiglitazone, metformin, or glyburide monotherapy. N Engl J Med 2006;355:2427-43. - PubMed
    1. Reuters. Glaxo sees new study boosting Avandia, Avandamet 4 Dec 2006. www.reuters.com/article/idUSL0440072620061204.
    1. Freemantle N, Calvert M, Wood J, Eastaugh J, Griffin C. Composite outcomes in randomized trials—greater precision but with greater uncertainty? JAMA 2003;289:2554-9. - PubMed

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