22
Participants
Start Date
November 14, 2025
Primary Completion Date
July 31, 2031
Study Completion Date
July 31, 2031
Pirtobrutinib
Given PO
Mosunetuzumab
Given IV
Biospecimen Collection
Undergo blood sample and oral swab and/or rectal swab collection
Biopsy Procedure
Undergo tissue biopsy
Computed Tomography
Undergo CT and PET/CT
Positron Emission Tomography
Undergo PET/CT
Bone Marrow Aspiration
Undergo bone marrow aspiration and biopsy
Bone Marrow Biopsy
Undergo bone marrow aspiration and biopsy
Questionnaire Administration
Ancillary studies
RECRUITING
Fred Hutch/University of Washington Cancer Consortium, Seattle
Eli Lilly and Company
INDUSTRY
University of Washington
OTHER