PDF4PRO ⚡AMP

Modern search engine that looking for books and documents around the web

Example: barber

Interim Sample Size Re-estimation: Safeguarding the Power ...

Interim Sample size Re-estimation: Safeguarding the Power of a TrialSarah Brown Smith, Miriam Wittman, Jane Nixonon behalf of the ALPHA Trial GroupSociety for Clinical Trials, 19thMay 2015 Introduction Rationale for re-estimating the Sample size Process of conducting a Sample size review Regulatory considerations Case study: Hand eczema trial (ALPHA) SummaryRationale for Sample size re- estimation Initial trial design stage: Sample size assumptions based on information available Uncertainty in assumptions Potential for unpowered study Using data internal to the trial: confirm or refute assumptions Directly relevant patient population Use same endpoint Check trial design is not unpowered Potentially revise Sample sizeProcess for conducting a Sample size review Nuisance parameters to be re-es

Interim Sample Size Re-estimation: Safeguarding the Power of a Trial Sarah Brown (medsbro@leeds.ac.uk) Isabelle Smith, Miriam Wittman, Jane Nixon

Loading..

Tags:

  Power, Samples, Size, Trail, Estimation, Safeguarding, Sample size re estimation, Safeguarding the power of

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Spam in document Broken preview Other abuse

Transcription of Interim Sample Size Re-estimation: Safeguarding the Power ...

Related search queries