• Constantine S Tam, Nicole Lamanna, Susan M O'Brien, Lugui Qiu, Keri Yang, Gisoo Barnes, Ken Wu, Tommi Salmi, and Jennifer R Brown.
• Alfred Health and Monash University, Melbourne, Australia.
• Curr Med Res Opin. 2023 Nov 1; 39 (11): 149715031497-1503.

ObjectiveThe purpose of this analysis was to assess health-related quality of life (HRQoL) in patients treated with zanubrutinib and ibrutinib in the ALPINE trial (NCT03734016).MethodsHRQoL was measured by the EORTC QLQ-C30 and EQ-5D-5L at baseline, cycle 1, and every third cycle until the end of treatment. Key patient-reported outcome (PRO) endpoints included global health status (GHS), physical and role functioning, as well as symptoms of fatigue, pain, diarrhea, and nausea/vomiting. A mixed model repeated-measure analysis using key PRO endpoints at key clinical cycles (cycles 7 and 13) was performed.Results652 patients were randomized to receive zanubrutinib (n = 327) or ibrutinib (n = 325). By cycle 7, GHS scores improved with zanubrutinib versus ibrutinib, and in cycle 13, GHS scores remained higher in the zanubrutinib arm. The zanubrutinib arm experienced clinically meaningful improvements in physical and role functioning, as well as pain and fatigue symptoms at both cycles. Patients in the zanubrutinib arm reported lower diarrhea scores. Nausea/vomiting scores maintained in both arms. EQ-VAS scores showed greater improvement from baseline at both cycle 7 (7.92 versus 3.44) and cycle 13 (7.75 versus 3.92) of treatment with zanubrutinib compared to ibrutinib, respectively.ConclusionsPatients with R/R CLL/SLL treated with zanubrutinib demonstrated improvement versus ibrutinib in the GHS scale at cycle 7. Other endpoints continued to improve, suggesting treatment with zanubrutinib positively affected HRQoL over time. Given the generally good HRQoL at baseline in both arms, the differences between the arms were not significant.

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