Described are methods for testing at least one effect of a pharmaceutical substance in a subject, which include administering a pharmaceutical substance to the subject, measuring with at least one sensor contained within a mobile sensor system, at the subject or in close proximity to the subject, at least one parameter value indicative of a the subject's body function, transmitting at least one sensor system signal associated with the at least one parameter value to a receiver contained within a mobile base unit, the receiver being provided with a means for wireless transmission, and wirelessly transmitting a mobile base unit signal associated with the at least one sensor system signal from the receiver to a back-end system, wherein at least the back-end system correlates the at least one parameter value with and/or displays a representation of the at least one effect of the pharmaceutical substance.
