322
Views
1
CrossRef citations to date
0
Altmetric
Original Articles

Optimization of Adaptive Designs: Efficiency Evaluation

&
Pages 641-661 | Received 18 Oct 2011, Accepted 17 Feb 2012, Published online: 31 May 2012

REFERENCES

  • Armitage , P. , McPherson , C. , Rowe , B. ( 1969 ). Repeated significance tests on accumulating data . Journal of the Royal Statistical Society A 132 : 235 – 244 .
  • Bauer , P. , Brannath , W. , Posch , M. ( 2001 ). Flexible two-stage designs: An overview . Methods of Information in Medicine 40 : 122 – 126 .
  • Bauer , P. , Kohne , K. (1994). Evaluation of experiments with adaptive interim analysis. Biometrics 50(4):1029–1041.
  • Chang , M. ( 2006 ). Adaptive Design Theory and Implementation using SAS and R . Boca Raton , FL : Chapman & Hall/Crc Biostatistics .
  • Chang , M. ( 2007 ). Adaptive design method based on sum of p-values . Statistics in Medicine 26 : 2772 – 2784 .
  • Cui , L. , Hung , J. M. , Wang , S. J. ( 1999 ). Modification of sample size in group sequential clinical trials . Biometrics 55 ( 3 ): 853 – 857 .
  • Hwang , I. K. , Shih , W. J. , DeCani , J. S. ( 1990 ). Group sequential designs using a family of type I error probability spending functions . Statistics in Medicine 9 : 1439 – 1445 .
  • Kelly , P. J. , Sooriyarachchi , M. R. , Stallard , N. , Todd , S. ( 2005 ). A practical comparison of group-sequential and adaptive designs . Journal of Biopharmaceutical Statistics 15 ( 4 ): 719 – 738 .
  • Kim , K. , DeMets , D. L. ( 1987 ). Confidence intervals following group sequential test in clinical trials . Biometrics 43 : 857 – 864 .
  • Lan , K. K. G. , DeMets , D. L. ( 1983 ). Discrete sequential boundaries for clinical trial . Biometrika 70 ( 3 ): 659 – 663 .
  • Lan , K. K. G. , DeMets , D. L. ( 1989 ). Changing frequency of interim analysis in sequential monitoring . Biometrics 45 ( 3 ): 1017 – 1020 .
  • Lehmacher , W. , Wassmer , G. ( 1999 ). Adaptive sample size calculations in group sequential trials . Biometrics 55 : 1286 – 1290 .
  • Muller , H. H. , Schafer , H. ( 2001 ). Adaptive group sequential designs for clinical trials: Combining the advantages of adaptive and of classical group sequential approaches . Biometrics 57 : 886 – 891 .
  • O'Brien , P. C. , Fleming , T. R. ( 1979 ). A multiple testing procedure for clinical trials . Biometrics 35 ( 3 ): 549 – 556 .
  • Pampallona , S. , Tsiatis , A. A. ( 1994 ). Group sequential designs for one-sided and two-sided hypothesis testing with provision for early stopping in favor of the null hypothesis . Journal of Statistical Planning and Inference 42 : 19 – 35 .
  • Pampallona , S. , Tsiatis , A. A. , Kim , K. ( 2001 ). Interim monitoring of group sequential trials using spending functions for the type I and type II error probabilities . Drug Information Journal 35 : 1113 – 1121 .
  • Pocock , S. J. ( 1977 ). Group sequential methods in the design and analysis of clinical trials . Biometrika 64 ( 2 ): 191 – 199 .
  • Shen , Y. , Fisher , L. ( 1999 ). Statistical inference for self-designing clinical trials with a one-sided hypothesis . Biometrics 55 : 190 – 197 .
  • Tsiatis , A. A. , Mehta , C. ( 2003 ). On the inefficiency of the adaptive design for monitoring clinical trials . Biometrika 90 ( 2 ): 367 – 378 .
  • Wang , S. K. , Tsiatis , A. A. ( 1987 ). Approximately optimal one-parameter boundaries for group sequential trials . Biometrics 43 : 193 – 199 .

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.