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Pirtobrutinib monotherapy in Bruton tyrosine kinase inhibitor-intolerant patients with B-cell malignancies: results of the phase I/II BRUIN trial.
Haematologica ( IF 8.2 ) Pub Date : 2024-10-03 , DOI: 10.3324/haematol.2024.285754 Nirav N Shah,Michael Wang,Lindsey E Roeker,Krish Patel,Jennifer A Woyach,William G Wierda,Chaitra S Ujjani,Toby A Eyre,Pier Luigi Zinzani,Alvaro J Alencar,Paolo Ghia,Nicole Lamanna,Marc S Hoffmann,Manish R Patel,Ian Flinn,James N Gerson,Shuo Ma,Catherine C Coombs,Chan Y Cheah,Ewa Lech-Maranda,Bita Fakhri,Won Seog Kim,Minal A Barve,Jonathon B Cohen,Wojciech Jurczak,Talha Munir,Meghan C Thompson,Donald E Tsai,Katherine Bao,Nicholas A Cangemi,Jennifer F Kherani,Richard A Walgren,Hongmei Han,Amy S Ruppert,Jennifer R Brown
Haematologica ( IF 8.2 ) Pub Date : 2024-10-03 , DOI: 10.3324/haematol.2024.285754 Nirav N Shah,Michael Wang,Lindsey E Roeker,Krish Patel,Jennifer A Woyach,William G Wierda,Chaitra S Ujjani,Toby A Eyre,Pier Luigi Zinzani,Alvaro J Alencar,Paolo Ghia,Nicole Lamanna,Marc S Hoffmann,Manish R Patel,Ian Flinn,James N Gerson,Shuo Ma,Catherine C Coombs,Chan Y Cheah,Ewa Lech-Maranda,Bita Fakhri,Won Seog Kim,Minal A Barve,Jonathon B Cohen,Wojciech Jurczak,Talha Munir,Meghan C Thompson,Donald E Tsai,Katherine Bao,Nicholas A Cangemi,Jennifer F Kherani,Richard A Walgren,Hongmei Han,Amy S Ruppert,Jennifer R Brown
Bruton tyrosine kinase inhibitors (BTKi) have transformed the treatment of B-cell malignancies, but intolerance has often led to their discontinuation. The phase 1/2 BRUIN study evaluated pirtobrutinib, a highly selective non-covalent (reversible) BTKi, in patients with R/R B-cell malignancies (NCT03740529). Pirtobrutinib was investigated in 127 patients with intolerance to at least one prior BTKi therapy in the absence of progressive disease. The most common adverse event (AE) leading to BTKi discontinuation was cardiac disorders (n=40, 31.5%), specifically atrial fibrillation (n=30, 23.6%). The median follow-up was 17.4 months and the median time on pirtobrutinib was 15.3 months. The most common reasons for pirtobrutinib discontinuation were progressive disease (26.8%), AE (10.2%), or death (5.5%). The most frequent treatment-emergent AEs were fatigue (39.4%) and neutropenia (37.0%). Among patients who discontinued a prior BTKi for a cardiac issue, 75% had no recurrence of their cardiac AE. No patient discontinued pirtobrutinib for the same AE that led to discontinuation of the prior BTKi. In 78 CLL/SLL and 21 MCL patients intolerant to prior BTKi, ORR to pirtobrutinib was 76.9% and 81.0%, respectively. Median PFS for CLL/SLL was 28.4 months and was not estimable for MCL. These results suggest that pirtobrutinib was safe, well-tolerated, and an efficacious option in patients with prior BTKi-intolerance.
中文翻译:
Pirtobrutinib 单药治疗布鲁顿酪氨酸激酶抑制剂不耐受的 B 细胞恶性肿瘤患者:I/II 期 BRUIN 试验的结果。
布鲁顿酪氨酸激酶抑制剂 (BTKi) 改变了 B 细胞恶性肿瘤的治疗,但不耐受通常导致其停药。1/2 期 BRUIN 研究在 R/R B 细胞恶性肿瘤 (NCT03740529) 患者中评估了吡托布替尼,一种高选择性非共价(可逆)BTKi。在 127 例无进展性疾病的情况下对至少一种既往 BTKi 治疗不耐受的患者进行了 Pirtobrutinib 的研究。导致 BTKi 停药的最常见不良事件 (AE) 是心脏疾病 (n=40, 31.5%),特别是心房颤动 (n=30, 23.6%)。中位随访时间为 17.4 个月,吡托布替尼的中位时间为 15.3 个月。pirtobrutinib 停药的最常见原因是疾病进展 (26.8%) 、 AE (10.2%) 或死亡 (5.5%)。最常见的治疗中出现的 AE 是疲劳 (39.4%) 和中性粒细胞减少症 (37.0%)。在因心脏问题停用既往 BTKi 的患者中,75% 的心脏 AE 没有复发。没有患者因导致先前 BTKi 停药的相同 AE 而停用 pirtobrutinib。在 78 例对既往 BTKi 不耐受的 CLL/SLL 和 21 例 MCL 患者中,pirtobrutinib 的 ORR 分别为 76.9% 和 81.0%。CLL/SLL 的中位 PFS 为 28.4 个月,MCL 无法估计。这些结果表明,pirtobrutinib 是安全的、耐受性良好的,并且对于既往 BTKi 不耐受的患者是一种有效的选择。
更新日期:2024-10-03
中文翻译:
Pirtobrutinib 单药治疗布鲁顿酪氨酸激酶抑制剂不耐受的 B 细胞恶性肿瘤患者:I/II 期 BRUIN 试验的结果。
布鲁顿酪氨酸激酶抑制剂 (BTKi) 改变了 B 细胞恶性肿瘤的治疗,但不耐受通常导致其停药。1/2 期 BRUIN 研究在 R/R B 细胞恶性肿瘤 (NCT03740529) 患者中评估了吡托布替尼,一种高选择性非共价(可逆)BTKi。在 127 例无进展性疾病的情况下对至少一种既往 BTKi 治疗不耐受的患者进行了 Pirtobrutinib 的研究。导致 BTKi 停药的最常见不良事件 (AE) 是心脏疾病 (n=40, 31.5%),特别是心房颤动 (n=30, 23.6%)。中位随访时间为 17.4 个月,吡托布替尼的中位时间为 15.3 个月。pirtobrutinib 停药的最常见原因是疾病进展 (26.8%) 、 AE (10.2%) 或死亡 (5.5%)。最常见的治疗中出现的 AE 是疲劳 (39.4%) 和中性粒细胞减少症 (37.0%)。在因心脏问题停用既往 BTKi 的患者中,75% 的心脏 AE 没有复发。没有患者因导致先前 BTKi 停药的相同 AE 而停用 pirtobrutinib。在 78 例对既往 BTKi 不耐受的 CLL/SLL 和 21 例 MCL 患者中,pirtobrutinib 的 ORR 分别为 76.9% 和 81.0%。CLL/SLL 的中位 PFS 为 28.4 个月,MCL 无法估计。这些结果表明,pirtobrutinib 是安全的、耐受性良好的,并且对于既往 BTKi 不耐受的患者是一种有效的选择。