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There are 22711 results for: content related to: Interim analysis: The alpha spending function approach

  1. Group sequential testing in clinical trials with multivariate observations: A review

    Statistics in Medicine

    Volume 13, Issue 2, 30 January 1994, Pages: 101–111, Jae Won Lee

    Version of Record online : 15 OCT 2006, DOI: 10.1002/sim.4780130202

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    Group sequential tests for delayed responses (with discussion)

    Journal of the Royal Statistical Society: Series B (Statistical Methodology)

    Volume 75, Issue 1, January 2013, Pages: 3–54, Lisa V. Hampson and Christopher Jennison

    Version of Record online : 4 DEC 2012, DOI: 10.1111/j.1467-9868.2012.01030.x

  3. Group Sequential and Adaptive Designs – A Review of Basic Concepts and Points of Discussion

    Biometrical Journal

    Volume 50, Issue 4, August 2008, Pages: 541–557, Marc Vandemeulebroecke

    Version of Record online : 29 JUL 2008, DOI: 10.1002/bimj.200710436

  4. CP function: an alpha spending function based on conditional power

    Statistics in Medicine

    Volume 33, Issue 26, 20 November 2014, Pages: 4501–4514, Zhiwei Jiang, Ling Wang, Chanjuan Li, Jielai Xia and William Wang

    Version of Record online : 6 AUG 2014, DOI: 10.1002/sim.6279

  5. Statistical, Philosophical and Ethical Issues in Data Monitoring

    Data Monitoring Committees in Clinical Trials

    Susan S Ellenberg, Thomas R Fleming, David L DeMets, Pages: 119–152, 2003

    Published Online : 7 FEB 2003, DOI: 10.1002/0470854162.ch8

  6. A comparison of group sequential methods for binary longitudinal data

    Statistics in Medicine

    Volume 22, Issue 4, 28 February 2003, Pages: 501–515, Bart Spiessens, Emmanuel Lesaffre and Geert Verbeke

    Version of Record online : 28 JAN 2003, DOI: 10.1002/sim.1361

  7. A general statistical principle for changing a design any time during the course of a trial

    Statistics in Medicine

    Volume 23, Issue 16, 30 August 2004, Pages: 2497–2508, Hans-Helge Müller and Helmut Schäfer

    Version of Record online : 27 JUL 2004, DOI: 10.1002/sim.1852

  8. Adaptive Group Sequential Designs for Clinical Trials: Combining the Advantages of Adaptive and of Classical Group Sequential Approaches

    Biometrics

    Volume 57, Issue 3, September 2001, Pages: 886–891, Hans-Helge Müller and Helmut Schäfer

    Version of Record online : 21 MAY 2004, DOI: 10.1111/j.0006-341X.2001.00886.x

  9. Choice of alpha spending function and time points in clinical trials with one or two interim analyses

    Pharmaceutical Statistics

    Volume 3, Issue 3, July/September 2004, Pages: 193–203, Murray R. Selwyn and Susan M. Fish

    Version of Record online : 13 SEP 2004, DOI: 10.1002/pst.108

  10. Construction of group sequential designs in clinical trials on the basis of detectable treatment differences

    Statistics in Medicine

    Volume 23, Issue 9, 15 May 2004, Pages: 1413–1424, Helmut Schäfer and Hans-Helge Müller

    Version of Record online : 6 APR 2004, DOI: 10.1002/sim.1751

  11. Sample size determination for group sequential clinical trials with immediate response

    Statistics in Medicine

    Volume 11, Issue 10, 1992, Pages: 1391–1399, Kyungmann Kim and David L. Demets

    Version of Record online : 12 OCT 2006, DOI: 10.1002/sim.4780111012

  12. Designing complex group sequential survival trials

    Statistics in Medicine

    Volume 21, Issue 14, 30 July 2002, Pages: 1969–1989, Edward Lakatos

    Version of Record online : 19 JUN 2002, DOI: 10.1002/sim.1193

  13. Group sequential procedures: Calendar versus information time

    Statistics in Medicine

    Volume 8, Issue 10, October 1989, Pages: 1191–1198, K. K. Gordon Lan and David L. Demets

    Version of Record online : 12 OCT 2006, DOI: 10.1002/sim.4780081003

  14. An Overview of Statistical Approaches for Adaptive Designs and Design Modifications

    Biometrical Journal

    Volume 48, Issue 4, August 2006, Pages: 507–520, Helmut Schäfer, Nina Timmesfeld and Hans-Helge Müller

    Version of Record online : 8 AUG 2006, DOI: 10.1002/bimj.200510234

  15. Increasing the sample size when the unblinded interim result is promising

    Statistics in Medicine

    Volume 23, Issue 7, 15 April 2004, Pages: 1023–1038, Y. H. Joshua Chen, David L. DeMets and K. K. Gordon Lan

    Version of Record online : 23 MAR 2004, DOI: 10.1002/sim.1688

  16. Simulation study comparing exposure matching with regression adjustment in an observational safety setting with group sequential monitoring

    Statistics in Medicine

    Volume 34, Issue 7, 30 March 2015, Pages: 1117–1133, Kelly G. Stratton, Andrea J. Cook, Lisa A. Jackson and Jennifer C. Nelson

    Version of Record online : 15 DEC 2014, DOI: 10.1002/sim.6398

  17. Group sequential designs using a family of type I error probability spending functions

    Statistics in Medicine

    Volume 9, Issue 12, December 1990, Pages: 1439–1445, Irving K. Hwang, Weichung J. Shih and John S. De Cani

    Version of Record online : 12 OCT 2006, DOI: 10.1002/sim.4780091207

  18. Practical aspects in data monitoring: A brief review

    Statistics in Medicine

    Volume 6, Issue 7, October/November 1987, Pages: 753–760, David L. Demets

    Version of Record online : 12 OCT 2006, DOI: 10.1002/sim.4780060706

  19. A decade of progress in statistical methodology for clinical trials

    Statistics in Medicine

    Volume 10, Issue 12, December 1991, Pages: 1789–1817, Richard Simon

    Version of Record online : 12 OCT 2006, DOI: 10.1002/sim.4780101203

  20. Exact Confidence Bounds Following Adaptive Group Sequential Tests

    Biometrics

    Volume 65, Issue 2, June 2009, Pages: 539–546, Werner Brannath, Cyrus R. Mehta and Martin Posch

    Version of Record online : 27 AUG 2008, DOI: 10.1111/j.1541-0420.2008.01101.x