ɪn ðɪs dɪzˈaɪn, pˈeɪʃənts ɑːɹ ɹˈændəmˌaɪzd tʊ ˈiːðɚ ðə tɹˈiːtmənt ɔːɹ kəntɹˈoʊl ɡɹˈuːp bᵻfˌoːɹ ɡˈɪvɪŋ ɪnfˈɔːɹmd kənsˈɛnt.
In this design, patients are randomized to either the treatment or control group before giving informed consent.