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The objective was to report on the creation, features and performance of a web-based data management system for a two-stage phase II randomized clinical trial of Co-Enzyme Q10 in ALS. We created a relatively comprehensive web-based data system that provided electronic data entry; patient management utilities; adverse event reporting, safety monitoring, and invoice generation; and standardized coding for medications and adverse events. In stage 1, clinical sites submitted 7207 forms reporting on 105 patients followed for 10 months. Less than 0.7% of submitted forms contained errors. At the time of the delivery of the analysis data set, only four errors remained unresolved. Data were available quickly, with a median time from event to data posting of two days. The data set was locked and the analysis data set produced nine days after the final patient visit. A survey of trial personnel yielded generally positive feedback, with 75% of respondents wishing to use a similar system in the future. Given sufficient resources, a comprehensive web-based data management system can meet the need for clean, available data in clinical trials in ALS and similar diseases, and can contribute significantly to their efficient execution.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5810546 | PMC |
| http://dx.doi.org/10.3109/17482960802378998 | DOI Listing |
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