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Interactive Voice Response (IVR) is a communications system that uses a prerecorded database of voice messages to present options to a user over telephone lines. IVR is commonly encountered in such routine activities as accessing voicemail and making airline reservations. Over the past decade, IVR technology has been applied to clinical and research data collection.
IVR can easily manage large volumes of data from multiple sites, storing all data in a single database designed for statistical analysis. It is a simple way to monitor daily compliance and patient symptoms, as well as signals of drug efficacy and/or quality of life information. Because the data is collected in real time and stored directly, both reporting errors (recall bias, random and systemic recall errors) and collecting errors (inter-rater differences, rater bias, data entry errors) are minimized. Among subjective data collection methods in clinical research, IVR has become the preferred method because it is accurate, efficient and cost-effective.
At each level in the planning, execution and analysis of IVR applications in clinical trials in CNS, Best Practice brings together disease-based expertise, outstanding methodology, and operational excellence.
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