Literature DB >> 23401637

Doing clinical trials large enough to achieve adequate reductions in uncertainties about treatment effects.

Michael J Campbell1.   

Abstract

Mesh：

Year:  2013        PMID： 23401637      PMCID： PMC3569016          DOI： 10.1177/0141076813477570

Source DB:  PubMed          Journal:  J R Soc Med        ISSN： 0141-0768            Impact factor:   5.344


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  18 in total

1.  Comparison of corticosteroid and sulphasalazine therapy in ulcerative colitis.

Authors:  S C TRUELOVE; G WATKINSON; G DRAPER
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2.  Clinical comparison of diamorphine and pholcodine as cough suppressants by a new method of sequential analysis.

Authors:  E S SNELL; P ARMITAGE
Journal:  Lancet       Date:  1957-04-27       Impact factor: 79.321

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Authors: 
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4.  The use of systematic reviews when designing studies.

Authors:  Nicola J Cooper; David R Jones; Alex J Sutton
Journal:  Clin Trials       Date:  2005       Impact factor: 2.486

5.  Sample size calculations in randomised trials: mandatory and mystical.

Authors:  Kenneth F Schulz; David A Grimes
Journal:  Lancet       Date:  2005 Apr 9-15       Impact factor: 79.321

6.  Adaptive designs for pivotal trials: discussion points from the PSI Adaptive Design Expert Group.

Authors:  Alan J Phillips; Oliver N Keene
Journal:  Pharm Stat       Date:  2006 Jan-Mar       Impact factor: 1.894

7.  What are the implications of optimism bias in clinical research?

Authors:  Iain Chalmers; Robert Matthews
Journal:  Lancet       Date:  2006-02-11       Impact factor: 79.321

8.  Note on approximations to the power function of the 2x2 comparative trial.

Authors:  G P SILITTO
Journal:  Biometrika       Date:  1949-12       Impact factor: 2.445

9.  The importance of beta, the type II error and sample size in the design and interpretation of the randomized control trial. Survey of 71 "negative" trials.

Authors:  J A Freiman; T C Chalmers; H Smith; R R Kuebler
Journal:  N Engl J Med       Date:  1978-09-28       Impact factor: 91.245

10.  Ethics and sample size.

Authors:  Peter Bacchetti; Leslie E Wolf; Mark R Segal; Charles E McCulloch
Journal:  Am J Epidemiol       Date:  2005-01-15       Impact factor: 4.897
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  1 in total

1.  A stepped wedge, cluster controlled trial of an intervention to improve safety and quality on medical wards: the HEADS-UP study protocol.

Authors:  Samuel Pannick; Iain Beveridge; Hutan Ashrafian; Susannah J Long; Thanos Athanasiou; Nick Sevdalis
Journal:  BMJ Open       Date:  2015-06-22       Impact factor: 2.692
  1 in total

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