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letter
. 2005 Feb 22;92(5):807–810. doi: 10.1038/sj.bjc.6602445

Table 1. Descriptions of randomisation.

1 Once you have agreed to enter the trial, your treatment is not chosen by yourself or a doctor but by a computer. There is usually a 50 : 50 chance of receiving either treatment Royal Marsden Website, 2003
2 Once you have agreed to enter the trial, a computer will allocate you randomly (as if by the roll of a dice) to receive the ‘standard treatment’ or one of the new treatments being tested. Neither your doctor nor you yourself will choose which treatment you receive MRC FOCUS Trial Patient info sheet
3 Once you have agreed to enter the trial, you will be randomised to a course of treatment. This is a process that assigns participants by chance, rather than by choice, to either the investigational group or the control group NCI website, 2003
4 Once you have agreed to enter the trial the decision regarding which treatment you receive will be made by a process called ‘randomisation’. This means that your specialists will not make the decision themselves, but it will be made by chance BNL Trial Patient info sheet
5 Once you have agreed to enter the trial, the treatment you receive will be selected by a process called randomisation, that is, it will not be chosen by you or your doctor, but by a computer and it is like the toss of a coin. This is to prevent bias in the results of the trial CLL4 Trial Patient info sheet
6 Once you have agreed to enter the trial, you will be randomised to a course of treatment. This means that there are at least two different groups in the trial and those taking part are put into one or other group at random. This ‘randomisation’ is usually done by a computer CancerHelp website, 2003
7 Once you have agreed to enter the trial, you will be randomised to a course of treatment. This means that a computer will randomly allocate patients to treatment groups in the trial. This is done so that each group has a similar mix of patients of different ages, sex and state of health CancerBACUP website, 2003