"Variable
Name ",Variable Label ,Type ,Description
STUDYID ,Study Identifier ,Char ,Unique identifier for a study.
DOMAIN ,Domain Abbreviation ,Char ,"Two-character abbreviation for the domain, which must be TA."
ARMCD ,Planned Arm Code ,Char ,"ARMCD is limited to 20 characters and does not have special character
restrictions. If the timing of visits for a trial does not depend on which
ARM a subject is in, then ARMCD should be null."
ARM ,"Description of Planned
Arm",Char ,Name given to Arm or treatment group.
TAETORD ,"Planned Order of Element
within Arm",Num ,Number that gives the order of the Element within the Arm.
ETCD ,Element Code ,Char ,"ETCD (the companion to ELEMENT) is limited to 8 characters and does
not have special character restrictions. These values should be short for
ease of use in programming, but it is not expected that ETCD will need
to serve as a variable name."
ELEMENT ,Description of Element ,Char ,The name of the Element.
TABRANCH ,Branch ,Char ,"Condition subjects meet, at a “branch” in the Trial Design at the end of
this Element, to be included in this Arm. Example: Randomization to
DRUG X."
TATRANS ,Transition Rule ,Char ,"If the trial design allows a subject to transition to an Element other than
the next Element in sequence, then the conditions for transitioning to
those other Elements, and the alternative Element sequences, are
specified in this rule (e.g., Responders go to washout)."
EPOCH ,Epoch ,Char ,"Name of the Trial Epoch with which this Element of the Arm is
associated."
