102
Participants
Start Date
May 2, 2026
Primary Completion Date
October 1, 2035
Study Completion Date
October 31, 2036
Biospecimen Collection
Undergo blood and buccal swab sample collection
Computed Tomography
Undergo CT scan and/or PET/CT scan
Cyclophosphamide
Given IV
Doxorubicin Hydrochloride
Given IV
Echocardiography Test
Undergo echocardiography
Multigated Acquisition Scan
Undergo MUGA scan
Pirtobrutinib
Given PO
Positron Emission Tomography
Undergo PET/CT scan
Prednisone
Given PO
Rituximab
Given IV
Rituximab and Hyaluronidase Human
Given SC
Survey Administration
Ancillary studies
Vincristine
Given IV
National Cancer Institute (NCI)
NIH
SWOG Cancer Research Network
NETWORK