A Study of (LY3527727) Pirtobrutinib in Participants With Previously Treated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma or Non-Hodgkin Lymphoma

Study J2N-MC-JZ01 (JZ01) is an individual-study appendix (ISA) under master protocol J2N-MC-JZNY, and represents participants from the completed originator study, clinical study LOXO-BTK-18001/J2N-OX-JZNA. Participants in the originator study will have the opportunity to continue their assigned study intervention or continue their follow-up visits by transitioning to this study. This study will evaluate the long-term safety and efficacy of pirtobrutinib.

Inclusion Criteria: * Are currently enrolled and active in the originator study, LOXO-BTK-18001. A participant is considered active in the study if they are: * receiving study intervention * in the short-term follow-up period, or * in the long-term follow-up period Exclusion Criteria: * Were a participant in the Phase 1b cohort of Study LOXO-BTK-18001