In at least one embodiment of a method for supporting a person involved in a clinical study in the adherence to a study protocol, an automatic communication system is disclosed which collects data correlated with the performance of the study in at least approximately real time from a data processing system concerned with the study, determines, by use of the data, a first future time for a study action to be performed according to the study protocol, and, by use of a planning criterion, a second future time which is before the first one. In at least one embodiment, the communication system, at the second time, sends a message concerning the study action to the person. A corresponding communication system contains, in at least one embodiment, an interface for collecting the data, a control and evaluating unit for determining the first and second time, and a communication interface for sending the message.
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