This simple service is suitable for unblinded or single-blind trials with two treatment groups.
Why not try the service out by creating a dummy trial first? This will allow you to become familiar with the way the system works before setting it up for use in your real trial.* unless you choose a paid option
Patients are randomised to one of two treatment groups ('A' or 'B') and the result recorded. Randomisation is blocked (using random permuted blocks) to ensure that the groups are balanced periodically.
There is a single password for a trial and anyone with the password may carry out new randomisations for that trial. The randomisation results are shown on-screen and emailed to both the administrator of the trial and to the randomiser. Read the full specification.
Trials are initially limited to a maximum of 50 randomisations unless you choose a paid option. With these optional upgrades you can:
To get your free 50 randomisations make sure you don't choose any of these paid options when creating your trial.
Walkthrough Follow a worked example to create a trial using a randomisation list.
Sealed Envelope Ltd. 2017. Simple randomisation service. [Online] Available from: https://www.sealedenvelope.com/simple-randomiser/v1/ [Accessed 25 Sep 2018].