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http://hdl.handle.net/1942/659
Title: | Validation of a longitudinally measured surrogate for a time-to-event endpoint | Authors: | RENARD, Didier GEYS, Helena MOLENBERGHS, Geert BURZYKOWSKI, Tomasz BUYSE, Marc VANGENEUGDEN, Tony BIJNENS, Luc |
Issue Date: | 2003 | Publisher: | CARFAX PUBLISHING | Source: | Journal of Applied Statistics, 30(2). p. 235-247 | Abstract: | The objective of this paper is to extend the surrogate endpoint validation methodology proposed by Buyse et al. (2000) to the case of a longitudinally measured surrogate marker when the endpoint of interest is time to some key clinical event. A joint model for longitudinal and event time data is required. To this end, the model formulation of Henderson et al. (2000) is adopted. The methodology is applied to a set of two randomized clinical trials in advanced prostate cancer to evaluate the usefulness of prostate-specific antigen (PSA) level as a surrogate for survival. | Document URI: | http://hdl.handle.net/1942/659 | ISSN: | 0266-4763 | e-ISSN: | 1360-0532 | DOI: | 10.1080/0266476022000023776 | ISI #: | 000180623500008 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2004 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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burt1.pdf | Published version | 341.67 kB | Adobe PDF | View/Open |
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