TP53 and B-cell chronic lymphocytic leukemia: Study M13-982 was a single-arm study in 158 relapsed/refractory (R/R) CLL patients with the del(17p)/TP53 chromosomal abnormality; a small proportion had received previous BCRi therapy, the proportion of patients unsuitable for BCRi was not reported, and a small number of patients were treatment-naive [3].