Journal of the Chinese Medical Association : JCMA · 2025
Efficacy, safety, and immunogenicity of UB-851 versus ® in patients with renal anemia receiving hemodialysis: A randomized, double-masked, phase III trial.
СтатьяРандомизированное исследованиеКлиническое исследование III фазыМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Wu Chien-Hsing, Shiao Chih-Chung, Wang Hsien-Yi, Tian Ya-Chung, Chiu Yi-Wen, Huang Wen-Hung, Tsai Shin-Hung, Fang Hua-Chang, Lee Chin-Chan, Hsu Bang-Gee, Chang Horng-Rong, Lin Chien-Yu, Chan Chee-Hong, Wang Wei-Jie, Huang Kuo-Ching, Chen Szu-Chia, Wang Chia-Liang, Huang Chung-Yu, Tarng Der-Cherng
Аннотация
BACKGROUND: Anemia is a common complication in patients with chronic kidney disease (CKD), for which recombinant human erythropoietin (rhEPO) is the standard treatment. UB-851 is a biosimilar rhEPO developed as an alternative to epoetin alfa (Eprex ® ). This study evaluated the clinical equivalence, safety, and immunogenicity of UB-851 compared with epoetin alfa in patients with anemia due to CKD receiving hemodialysis.
METHODS: In this 52-week, multicenter, randomized, parallel-group, phase III trial, patients with anemic CKD undergoing maintenance hemodialysis were assigned to receive either UB-851 or epoetin alfa. Part I (weeks 1-24) included dose titration and hemoglobin (Hb) maintenance. Part II (weeks 25-52) focused on long-term safety and immunogenicity. The primary endpoint was the change in Hb levels from baseline to the efficacy evaluation period (weeks 21-24). The secondary endpoints included epoetin dose, adverse events (AEs), and anti-drug antibody formation.
RESULTS: A total of 201 participants were randomized, and the mean change in Hb levels during the efficacy period was within the predefined equivalence margin (±0.6 g/dL) in both the intention-to-treat and per-protocol populations. Differences in weekly epoetin dose changes between the groups also fell within the predefined equivalence range (±45 IU/kg/wk). No significant differences were observed in the laboratory parameters, electrocardiograms, or vital signs. No anti-epoetin antibodies were detected in the UB-851 group. Regarding AEs, the UB-851 appears to be biosimilar to epoetin alfa.
CONCLUSION: UB-851 demonstrated clinical equivalence with epoetin alfa in maintaining Hb levels in patients with anemic CKD undergoing hemodialysis. The safety and immunogenicity profiles were comparable, supporting UB-851 as a biosimilar to epoetin alfa.
METHODS: In this 52-week, multicenter, randomized, parallel-group, phase III trial, patients with anemic CKD undergoing maintenance hemodialysis were assigned to receive either UB-851 or epoetin alfa. Part I (weeks 1-24) included dose titration and hemoglobin (Hb) maintenance. Part II (weeks 25-52) focused on long-term safety and immunogenicity. The primary endpoint was the change in Hb levels from baseline to the efficacy evaluation period (weeks 21-24). The secondary endpoints included epoetin dose, adverse events (AEs), and anti-drug antibody formation.
RESULTS: A total of 201 participants were randomized, and the mean change in Hb levels during the efficacy period was within the predefined equivalence margin (±0.6 g/dL) in both the intention-to-treat and per-protocol populations. Differences in weekly epoetin dose changes between the groups also fell within the predefined equivalence range (±45 IU/kg/wk). No significant differences were observed in the laboratory parameters, electrocardiograms, or vital signs. No anti-epoetin antibodies were detected in the UB-851 group. Regarding AEs, the UB-851 appears to be biosimilar to epoetin alfa.
CONCLUSION: UB-851 demonstrated clinical equivalence with epoetin alfa in maintaining Hb levels in patients with anemic CKD undergoing hemodialysis. The safety and immunogenicity profiles were comparable, supporting UB-851 as a biosimilar to epoetin alfa.