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COS definition for ALL

Delphi Study - COS for acute lymphoblastic leukemia (ALL)

Delphi survey - definition of a core set of outcomes (COS) for acute lymphoblastic leukemia (ALL)


Welcome to the ALL Delphi…

This Delphi survey aims to define a minimum set of outcomes, a core outcome set (COS), for future ALL trials consensus agreed by different stakeholders

For more information about COS, please take a look at this COMET video.

-       Rating of all outcomes will take you 20 – 30 minutes


-       After rating the outcomes your comments and additional outcomes are highly appreciated


-       After the first round, you will be invited to take part in a second round, expected a few weeks later


-       During the survey your personal data will be stored on a secure server by the DelphiManager at the Unversity of Liverpool


-       After completion of the survey all personal data will be deleted

More informations of how the Delphi survey works can be seen in a separate protocol, published soon on COMET and HARMONY webpages.

Please register now and you will receive a registration email with login-details.

If you have already registered, please click here

If you have forgotten your login details please click here

All DelphiManager data is stored on a secure server in the University of Liverpool data centre. For more information please contact