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Two-stage optimal designs with survival endpoint when the follow-up time is restricted

BACKGROUND: Survival endpoint is frequently used in early phase clinical trials as the primary endpoint to assess the activity of a new treatment. Existing two-stage optimal designs with survival endpoint either over estimate the sample size or compute power outside the alternative hypothesis space....

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Publicat a:BMC Med Res Methodol
Autors principals: Shan, Guogen, Zhang, Hua
Format: Artigo
Idioma:Inglês
Publicat: BioMed Central 2019
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC6448233/
https://ncbi.nlm.nih.gov/pubmed/30943896
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-019-0696-x
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