期刊
CLINICAL INFECTIOUS DISEASES
卷 68, 期 10, 页码 1691-1698出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/cid/ciy766
关键词
clinical trial; Staphylococcus aureus; bloodstream infection
资金
- National Institute of Allergy and Infectious Diseases (NIAID) of the National Institutes of Health (NIH) [UM1AI104681]
- NIH [K24-AI093969]
- Australia's National Health and Medical Research Council [1083105, 1145033]
Background. Desirability of outcome ranking (DOOR) is an innovative approach in clinical trials to evaluate the global benefits and risks of an intervention. We developed and validated a DOOR endpoint for Staphylococcus aureus bloodstream infection (BSI) through a survey to infectious diseases clinicians and secondary analysis of trial data. Methods. We administered a survey of 20 cases of S. aureus BSI, asking respondents to rank outcomes by global desirability. Correlations and percentage of pairwise agreement among rankings were estimated to inform development of a DOOR endpoint, which was applied to 2 prior S. aureus BSI trials. The probability that a patient randomly assigned to experimental treatment would have a better DOOR ranking than if assigned to control was estimated. Results were also analyzed using partial credit, which is analogous to scoring an academic test, assigning 100% to the most desirable outcome, 0% to the least, and partial credit to intermediate ranks. Results. Forty-two recipients (97%) completed the survey. The DOOR endpoint fitting these rankings (r = 0.89; 95% confidence interval, 0.67 to 0.94) incorporated survival plus cumulative occurrence of adverse events, cure, infectious complications, and ongoing symptoms. Tailored versions of this endpoint were applied to 2 S. aureus BSI trials, and both demonstrated no benefit of the experimental treatment using DOOR and partial credit analysis. Conclusions. Using S. aureus BSI as an exemplar, we developed a DOOR endpoint that can be used as a template for development of DOOR endpoints for other diseases. Future trials can incorporate DOOR to allow for global assessment of patient experience.
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