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Randomization

  • The randomization algorithm in Castor

    Castor uses a validated variable block randomization model. This randomization algorithm is constructed in such a way that randomized inclusions are divided across groups (with optional stratification...

  • Randomization settings

    This tutorial outlines how to set up the randomization for your study. In our blog we provide a description of randomization in clinical trials and the method used by Castor.  Always consult a statist...

  • Set up (double) blinded randomization

    In Castor, there are two separate randomization rights: ‘Randomize’ (Rand.) and ‘View Randomization’ (View rand.). Each of these rights can be assigned to different users and institutes. With the Rand...

  • Randomize a record

    To be able to randomize records, randomization must have been first enabled and set up. See Randomization settings for further information on how to set up the randomization for your study.   We also ...

  • Prevent randomization for certain records

    In some cases you might want to prevent the randomization of certain records. This can be records that are not eligible for randomization or for studies where only a subset of the patients is being ra...