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Accrual Data Elements table with CTRP accepted values 

Accrual Data Element Name 

Mandatory=M; Optional=O 
Conditional = C 

Definition 

CTRP Accepted Values 

Information Model Class / Diagram Mapping 

Study Identifier 

M 

Unique identifier assigned to the study 

NCI, CTEP, or DCP Identifier 

Study Protocol / assignedIdentfier 

Study Site Identifier 

M 

Unique identifier (PO ID) assigned to the institution accruing the patient to the study 

PO ID 

Study Site / identifier 

Study Site Accrual Count 

M 

Numeric count of subjects accrued at a study site to date 

Numeric 

Study Site / subjectAccrualcount 

Cut-Off Date 

O 

The date from which the cumulative accrual count was calculated. 

YYYYMMDD 

(TBD)