Eli Lilly and Company
The purpose of this study is to find the best dose of the drug and measure the safety and efficacy of LY4152199 in participants with previously treated B-cell malignancies. Participants will have the option to continue taking LY4152199 until the study ends.
Inclusion Criteria: * Must have a diagnosis of either follicular lymphoma or diffuse large B-cell lymphoma. * Must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. * Estimated life expectancy of greater than or equal to (≥)12 weeks as judged by the Investigator. * Participants with select tumor types must have measurable or assessable disease as defined below: * Participants with lymphoma must have at least 1 bi-dimensionally measurable lesion or in the absence of measurable lymphadenopathy, documentation of bone marrow involvement. * Participants with Wald…
Administered by IV infusion