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.