Lesion Tracker Data Model Design

Workflow steps:

Model types (from highest in hierarchy to lowest):

1. User
2. ClinicalTrial
3. TrialArm
4. Timepoint
5. Study
6. Measurement

Descriptions & notes

User

• Users can have various privileges depending on their status: Reader, TrialOwner, Administrator, for example
• Readers can only create and edit measurements
• TrialOwners can create and manage trials, trial arms, and associate studies with timepoints
• Administrators can create/manage/delete all data models, including other Users

ClinicalTrial

• Trials can be created and managed by a TrialOwner
• Trials contain one or more trial arms

TrialArm

• Trial arms can include one or more timepoints

Timepoint

• Timepoints contain one or more studies
• Timepoints can be part of multiple trial arms and trials
• Created manually by a trial owner
  • When a single Study is selected, the system suggests the inclusion of other Studies with the same StudyDate and PatientId

Study

• Represents a single DICOM study at a specific study date
• Relates to a single patient by PatientId

Measurement

• Created by a User
• Updated by a User
• Related to a Study, Timepoint, Trial Arm, and Trial
• Future: Sets of Measurements can be cloned between TrialArms