Clinical lymphoma, myeloma & leukemia · 2024
Pomalidomide Use and Kidney Outcomes in Patients With Relapsed/Refractory Multiple Myeloma and Chronic Kidney Disease: A Real-World, Population-Based Cohort Study.
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Meraz-Munoz Alejandro, Mian Hira, Kirkwood David, Jeyakumar Nivethika, McCurdy Arleigh, Tangri Navdeep, Saskin Refik, Leung Nelson, Wald Ron, Kitchlu Abhijat
Аннотация
BACKGROUND: Pomalidomide-based regimens are the cornerstone of treatment for relapsed/refractory MM (RRMM). Despite the high incidence of chronic kidney disease (CKD) in RRMM, individuals with advanced CKD have been excluded from phase II/III RCTs, creating a gap in our understanding of the effects of pomalidomide use in patients with RRMM complicated with advanced CKD. We undertook a cohort to study to understand the efficacy safety of pomalidomide-based regimens among patients with CKD using real-world data.
METHODS: Population-based, cohort study of patients ≥ 18 years with RRMM treated with pomalidomide in Ontario, Canada. Primary outcome was all-cause mortality. Secondary outcomes were time-to-major adverse kidney events (MAKE), time-to-next treatment, kidney response and safety.
RESULTS: Total 748 patients with RRMM utilizing pomalidomide were included; 440 had preserved kidney function, 210 had moderate CKD (eGFR 30-59 mL/min/1.73m2), and 98 had advanced CKD (eGFR < 30 mL/min/1.73m2). Mean age was 70.2 years, 43.3% were women. Patients with advanced CKD had a higher risk of all-cause mortality compared to the preserved kidney function group (aHR 1.37, 95% CI 1.06, 1.78). MAKE was higher in advanced CKD (aHR 1.70, 95% CI 1.03, 2.35). Kidney response was similar between moderate and severe CKD groups (aOR 1.04, 95%, CI 0.56-1.90). Safety outcomes were similar between groups.
CONCLUSIONS: Patients with advanced CKD and RRMM on pomalidomide-based regimens exhibited reduced survival and a higher risk for MAKE. However, the probability of experiencing some degree of kidney recovery is 50% in both moderate and severe CKD, with comparable safety outcomes.
METHODS: Population-based, cohort study of patients ≥ 18 years with RRMM treated with pomalidomide in Ontario, Canada. Primary outcome was all-cause mortality. Secondary outcomes were time-to-major adverse kidney events (MAKE), time-to-next treatment, kidney response and safety.
RESULTS: Total 748 patients with RRMM utilizing pomalidomide were included; 440 had preserved kidney function, 210 had moderate CKD (eGFR 30-59 mL/min/1.73m2), and 98 had advanced CKD (eGFR < 30 mL/min/1.73m2). Mean age was 70.2 years, 43.3% were women. Patients with advanced CKD had a higher risk of all-cause mortality compared to the preserved kidney function group (aHR 1.37, 95% CI 1.06, 1.78). MAKE was higher in advanced CKD (aHR 1.70, 95% CI 1.03, 2.35). Kidney response was similar between moderate and severe CKD groups (aOR 1.04, 95%, CI 0.56-1.90). Safety outcomes were similar between groups.
CONCLUSIONS: Patients with advanced CKD and RRMM on pomalidomide-based regimens exhibited reduced survival and a higher risk for MAKE. However, the probability of experiencing some degree of kidney recovery is 50% in both moderate and severe CKD, with comparable safety outcomes.