214,526
Participants
Start Date
September 4, 2024
Primary Completion Date
January 6, 2025
Study Completion Date
January 6, 2025
Traditional Letter
Patients receive a traditional letter.
Direct to Patient Message
Patients receive a direct to patient message via the portal.
Optimized Letter
Patients receive an optimized letter.
Direct to Patient Message - Optimized
Patients receive an optimized direct to patient message via the portal.
Yale University, New Haven
Food and Drug Administration (FDA)
FED
Yale University
OTHER