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POWERFUL AND DURABLE RESPONSES
Adults with WM rapidly achieved high response rates regardless of line of therapy or mutation.
POWERFUL AND CONSISTENT RESPONSES WITH BRUKINSA ACROSS ALL WM PATIENTSWhile the primary endpoint of superiority did not reach statistical significance, numerically higher VGPR rates were achieved in the BRUKINSA treatment arm.1Initial analysis (19 months)2
In all patients, median time to response (CR+VGPR+PR) was 2.8 months for the BRUKINSA arm and 2.9 months for the ibrutinib arm.3
The median follow-up time was 19.4 months.2
The prespecified efficacy outcome measure of VGPR/CR was assessed by IRC.1
*IWWM-6 criteria (Owen et al, 2013) requires complete resolution of extramedullary disease (EMD) if present at baseline for VGPR to be assessed. Modified IWWM-6 criteria (Treon, 2015) requires a reduction in EMD if present at baseline for VGPR to be assessed.4,5
†There were no CRs in either treatment arm.
CI=confidence interval; CR=complete response; IRC=independent review committee; IWWM-6=6th International Workshop on Waldenström’s Macroglobulinemia; PR=partial response; VGPR=very good partial response; WM=Waldenström’s macroglobulinemia.
SEE STUDY DESIGNS CONSISTENT RESPONSES WITH BRUKINSA REGARDLESS OF LINE OF THERAPYInitial analysis (19 months)2
All subgroup analyses are exploratory and descriptive in nature.
The median follow-up time was 19.4 months.2
‡Responses were determined using modified IWWM-6 criteria.
§There were no CRs in either treatment arm.
CI=confidence interval; CR=complete response; IWWM-6=6th International Workshop on Waldenström’s Macroglobulinemia; MR=minor response; ORR=overall response rate; PR=partial response; VGPR=very good partial response.
CONSISTENT RESPONSES WITH BRUKINSA REGARDLESS OF MUTATIONInitial analysis (19 and 18 months, respectively)2,6
All analyses are exploratory and descriptive in nature.
The median follow-up time was 19.4 months for Cohort 1 and 17.9 months for Cohort 2.2,6
¶Responses were determined using modified IWWM-6 criteria.
#There were no CRs in either treatment arm.
CR=complete response; IWWM-6=6th International Workshop on Waldenström’s Macroglobulinemia; MUT=mutated; PR=partial response; VGPR=very good partial response; WHIM=WHIM syndrome-like somatic mutation; WT=wild type.
RESPONSES CONTINUED OVER TIME REGARDLESS OF MUTATIONLong-term analysis (44 months and 43 months, respectively)7
All analyses are exploratory and descriptive in nature.
The median follow-up time was 44.4 months for Cohort 1 and 42.9 months for Cohort 2.7
**Responses were determined using modified IWWM-6 criteria.
††In Cohort 2, 1 patient demonstrated a CR at 42.9-month follow-up.
CR=complete response; IWWM-6=6th International Workshop on Waldenström’s Macroglobulinemia; MRR=major response rate; MUT=mutated; PR=partial response; VGPR=very good partial response; WT=wild type.
DURABLE DISEASE CONTROL
WITH BRUKINSASustained responses in patients who achieved a response (CR+VGPR+PR)
Initial analysis (19 months)2
All subgroup analyses are exploratory and descriptive in nature.
Median duration of response (VGPR/CR) was not reached in either treatment arm.2
The median follow-up time was 19.4 months.2
At 2 years: Event-free duration of CR+VGPR for BRUKINSA was higher (90.6%; range 73.6%, 96.9%) vs ibrutinib (79.3%; range 53.5%, 91.8%)7
CI=confidence interval; CR=complete response; PR=partial response; VGPR=very good partial response.
CONSISTENT RESPONSES CONTINUE WITH BRUKINSASTUDY 003: A PHASE 1/2 SUPPORTIVE STUDY8A Phase 1/2, open-label, multicenter, single-arm trial including 77 patients with treatment-naïve and relapsed/refractory WM‡‡
Data are consistent with results observed in ASPEN (Study 302) and the overall safety profile of BRUKINSA.8
Median follow-up time was 24 months in patients with treatment-naïve WM and 36 months in patients with R/R WM.8
‡‡Assessed by IRC using modified IWWM-6 criteria.
§§There was 1 CR in the study.
CI=confidence interval; CR=complete response; IRC=independent review committee; IWWM-6=6th International Workshop on Waldenström’s Macroglobulinemia; MR=minor response; ORR=overall response rate; PR=partial response; R/R=relapsed/refractory; VGPR=very good partial response; WM=Waldenström’s macroglobulinemia.
ESTABLISHED
SAFETY PROFILE
SAFETYReferences: 1. BRUKINSA. Package insert. BeiGene USA, Inc.; 2024. 2. Tam CS, Opat S, D’Sa S, et al. A randomized phase 3 trial of zanubrutinib vs ibrutinib in symptomatic Waldenström macroglobulinemia: the ASPEN study. Blood. 2020;136(18):2038-2050. 3. Data on file. BeiGene USA, Inc. 4. Owen RG, Kyle RA, Stone MJ, et al. Response assessment in Waldenström macroglobulinemia: update from the VIth International Workshop. Br J Haematol. 2013;160(2):171-176. 5. Treon SP. How I treat Waldenström macroglobulinemia. Blood. 2015;126(6):721-732. 6. Dimopoulos M, Sanz RG, Lee HP, et al. Zanubrutinib for the treatment of MYD88 wild-type Waldenström macroglobulinemia: a substudy of the phase 3 ASPEN trial. Blood Adv. 2020;4(23):6009-6018. 7. Tam CS, Garcia-Sanz R, Opat S, et al. ASPEN: long-term follow-up results of a phase 3 randomized trial of zanubrutinib versus ibrutinib in patients with Waldenström macroglobulinemia. Poster presented at: American Society of Clinical Oncology (ASCO) 2022 Annual Meeting; June 3-7, 2022. Abstract 7521. 8. Trotman J, Opat S, Gottlieb D, et al. Zanubrutinib for the treatment of patients with Waldenström macroglobulinemia: 3 years of follow-up. Blood. 2020;136(18):2027-2037.