30,432
Participants
Start Date
August 17, 2020
Primary Completion Date
August 31, 2021
Study Completion Date
August 31, 2021
Tocilizumab
Tocilizumab claim is used as the reference group.
Abatacept
Abatacept claim is used as the exposure group.
Brigham and Women's Hospital, Boston
National Institute on Aging (NIA)
NIH
Rutgers University
OTHER
Johns Hopkins University
OTHER
Brigham and Women's Hospital
OTHER