Efficacy and Safety of Nemtabrutinib (MK-1026) in Participants With Hematologic Malignancies (MK-1026-003)

Inclusion Criteria: * Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2 within 7 days before C1D1 (the first dose of study treatment) * Has a life expectancy of at least 3 months, based on the investigator assessment * Has the ability to swallow and retain oral medication * Participants who are Hepatitis B surface antigen (HBsAg)-positive are eligible if they have received Hepatitis B virus (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV viral load prior to randomization * Participants with history of Hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable at screening * Has adequate organ function * Male participants agree to refrain from donating sperm and agree to either remain abstinent from penile-vaginal intercourse as their preferred and usual lifestyle OR agree to use contraception, during the intervention period and for at least the time required to eliminate the study intervention after last dose of study intervention * Female participants assigned female sex at birth who are not pregnant or breastfeeding are eligible to participate if not a participant of childbearing potential (POCBP), or if a POCBP they either use a contraceptive method that is highly effective OR remain abstinent from penile-vaginal intercourse as their preferred and usual lifestyle during the intervention period and for at least to eliminate study intervention after the last dose of study intervention * Participants wi…