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Byrd, John C.; Wierda, William G.; Schuh, Anna; Devereux, Stephen; Chaves, Jorge M.; Brown, Jennifer R.; Hillmen, Peter; Martin, Peter; Awan, Farrukh T.; Stephens, Deborah M.; Ghia, Paolo; Barrientos, Jacqueline; Pagel, John M.; Woyach, Jennifer A.; Burke, Kathleen; Covey, Todd; Gulrajani, Michael; Hamdy, Ahmed; Izumi, Raquel; Frigault, Melanie M.; Patel, Priti; Rothbaum, Wayne; Wang, Min Hui; O'Brien, Susan; Furman, Richard R.
Blood, 04/2020, Letnik: 135, Številka: 15Journal Article
Therapeutic targeting of Bruton tyrosine kinase (BTK) has dramatically improved survival outcomes for patients with chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL). Acalabrutinib is an oral, highly selective BTK inhibitor that allows for twice-daily dosing due to its selectivity. In this phase 1b/2 study, 134 patients with relapsed/refractory CLL or SLL (median age, 66 years range, 42-85 years; median prior therapies, 2 range, 1-13) received acalabrutinib 100 mg twice daily for a median of 41 months (range, 0.2-58 months). Median trough BTK occupancy at steady state was 97%. Most adverse events (AEs) were mild or moderate, and were most commonly diarrhea (52%) and headache (51%). Grade ≥3 AEs (occurring in ≥5% of patients) were neutropenia (14%), pneumonia (11%), hypertension (7%), anemia (7%), and diarrhea (5%). Atrial fibrillation and major bleeding AEs (all grades) occurred in 7% and 5% of patients, respectively. Most patients (56%) remain on treatment; the primary reasons for discontinuation were progressive disease (21%) and AEs (11%). The overall response rate, including partial response with lymphocytosis, with acalabrutinib was 94%; responses were similar regardless of genomic features (presence of del(11)(q22.3), del(17)(p13.1), complex karyotype, or immunoglobulin variable region heavy chain mutation status). Median duration of response and progression-free survival (PFS) have not been reached; the estimated 45-month PFS was 62% (95% confidence interval, 51% to 71%). BTK mutation was detected in 6 of 9 patients (67%) at relapse. This updated and expanded study confirms the efficacy, durability of response, and long-term safety of acalabrutinib, justifying its further investigation in previously untreated and treated patients with CLL/SLL. This trial was registered at www.clinicaltrials.gov as #NCT02029443. •At a median follow-up of 41 months, median PFS has not been reached in previously treated CLL patients on the BTK inhibitor acalabrutinib.•Patients with previously treated CLL or SLL had favorable safety, response, and durability of response with acalabrutinib. Display omitted
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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